diff --git a/broker/jfjoch_broker.cpp b/broker/jfjoch_broker.cpp
index 6bf6b9bd..2348bedb 100644
--- a/broker/jfjoch_broker.cpp
+++ b/broker/jfjoch_broker.cpp
@@ -33,7 +33,8 @@ int main (int argc, char **argv) {
         }
     }
 
-    DiffractionExperiment experiment(2, {4,4}, 8, 36);
+    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36));
+    experiment.DataStreams(2);
     experiment.PedestalG0Frames(2000).PedestalG1Frames(300).PedestalG2Frames(300);
     experiment.MaskChipEdges(true).MaskModuleEdges(true);
 
diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt
index c679716c..5edf5df3 100644
--- a/common/CMakeLists.txt
+++ b/common/CMakeLists.txt
@@ -42,7 +42,7 @@ ADD_LIBRARY( CommonFunctions STATIC
         SpotToSave.h
         NetworkAddressConvert.h NetworkAddressConvert.cpp
         grpcToJson.h jsonToGrpc.h to_fixed.h
-        DiffractionExperiment.h DiffractionGeometry.cpp)
+        DetectorGeometry.cpp DetectorGeometry.h DetectorModuleGeometry.cpp DetectorModuleGeometry.h)
 
 TARGET_LINK_LIBRARIES(CommonFunctions Compression FrameSerialize libzmq JFCalibration JFJochProtoBuf -lrt)
 
diff --git a/common/DetectorGeometry.cpp b/common/DetectorGeometry.cpp
new file mode 100644
index 00000000..05243ab1
--- /dev/null
+++ b/common/DetectorGeometry.cpp
@@ -0,0 +1,86 @@
+// Copyright (2019-2022) Paul Scherrer Institute
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "DetectorGeometry.h"
+#include "JFJochException.h"
+#include "Definitions.h"
+
+DetectorGeometry::DetectorGeometry(const std::vector<DetectorModuleGeometry> &in_modules)
+        : modules(in_modules) {
+    if (modules.empty())
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Module number must be positive");
+
+    width = 0;
+    height = 0;
+
+    for (auto &m: modules) {
+        width = std::max<int64_t>(width, m.GetMaxX()+1);
+        height = std::max<int64_t>(height, m.GetMaxY()+1);
+    }
+}
+
+DetectorGeometry::DetectorGeometry(int32_t nmodules, int32_t horizontal_stacking, int32_t gap_x,
+                                   int32_t gap_y, bool mirror_y) {
+    if (horizontal_stacking <= 0)
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Horizontal stacking must be positive");
+    if (nmodules <= 0)
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Module number must be positive");
+    if (gap_x < 0)
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Gap x has to be non-negative");
+    if (gap_y < 0)
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Gap y has to be non-negative");
+
+    width = horizontal_stacking * CONVERTED_MODULE_COLS + (horizontal_stacking - 1) * gap_x;
+    int64_t conv_lines = nmodules / horizontal_stacking + (nmodules % horizontal_stacking > 0 ? 1 : 0);
+    height = conv_lines * CONVERTED_MODULE_LINES + (conv_lines - 1) * gap_y;
+
+    for (int module = 0; module < nmodules; module++) {
+        int64_t module_x = module % horizontal_stacking;
+        int64_t module_y = module / horizontal_stacking;
+
+        int64_t x0 = module_x * (CONVERTED_MODULE_COLS + gap_x);
+        int64_t y0 = module_y * (CONVERTED_MODULE_LINES + gap_y);
+
+        DetectorModuleGeometry::Direction fast = DetectorModuleGeometry::Direction::Xpos;
+        DetectorModuleGeometry::Direction slow;
+        if (mirror_y) {
+            y0 = height - y0 - 1;
+            slow = DetectorModuleGeometry::Direction::Yneg;
+        } else
+            slow = DetectorModuleGeometry::Direction::Ypos;
+
+        modules.emplace_back(x0, y0, fast, slow);
+    }
+}
+
+DetectorGeometry::operator JFJochProtoBuf::DetectorGeometry() const {
+    JFJochProtoBuf::DetectorGeometry ret;
+    ret.set_height_pxl(height);
+    ret.set_width_pxl(width);
+    for (auto &m: modules) {
+        auto mpbf = ret.add_module_geometry();
+        mpbf->set_pixel0(m.GetPixel0_X() + width * m.GetPixel0_Y());
+        mpbf->set_fast_direction_step(GetDirectionStep(m.GetFastAxis()));
+        mpbf->set_slow_direction_step(GetDirectionStep(m.GetSlowAxis()));
+    }
+    return ret;
+}
+
+int64_t DetectorGeometry::GetDirectionStep(DetectorModuleGeometry::Direction direction) const {
+    switch (direction) {
+        case DetectorModuleGeometry::Direction::Xneg:
+            return -1;
+        case DetectorModuleGeometry::Direction::Xpos:
+            return 1;
+        case DetectorModuleGeometry::Direction::Yneg:
+            return -width;
+        case DetectorModuleGeometry::Direction::Ypos:
+            return width;
+        default:
+            return 0;
+    }
+}
+
+int64_t DetectorGeometry::GetModulesNum() const {
+    return modules.size();
+}
\ No newline at end of file
diff --git a/common/DetectorGeometry.h b/common/DetectorGeometry.h
new file mode 100644
index 00000000..2cae7175
--- /dev/null
+++ b/common/DetectorGeometry.h
@@ -0,0 +1,28 @@
+// Copyright (2019-2022) Paul Scherrer Institute
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef JUNGFRAUJOCH_DETECTORGEOMETRY_H
+#define JUNGFRAUJOCH_DETECTORGEOMETRY_H
+
+#include <cstdint>
+#include <vector>
+#include <jfjoch.pb.h>
+#include "DetectorModuleGeometry.h"
+
+class DetectorGeometry {
+    int64_t width;
+    int64_t height;
+    std::vector<DetectorModuleGeometry> modules;
+    int64_t GetDirectionStep(DetectorModuleGeometry::Direction direction) const;
+public:
+    DetectorGeometry(const std::vector<DetectorModuleGeometry> &pixel_0);
+    DetectorGeometry(int32_t nmodules,
+                     int32_t horizontal_stacking = 1,
+                     int32_t gap_x = 0,
+                     int32_t gap_y = 0,
+                     bool mirror_y = true); // regular geometry
+    operator JFJochProtoBuf::DetectorGeometry() const;
+    int64_t GetModulesNum() const;
+};
+
+#endif //JUNGFRAUJOCH_DETECTORGEOMETRY_H
diff --git a/common/DetectorModuleGeometry.cpp b/common/DetectorModuleGeometry.cpp
new file mode 100644
index 00000000..0cc391d7
--- /dev/null
+++ b/common/DetectorModuleGeometry.cpp
@@ -0,0 +1,71 @@
+// Copyright (2019-2023) Paul Scherrer Institute
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "DetectorModuleGeometry.h"
+#include "JFJochException.h"
+
+inline bool dir_x(DetectorModuleGeometry::Direction direction) {
+    if ((direction == DetectorModuleGeometry::Direction::Xpos) ||
+        (direction == DetectorModuleGeometry::Direction::Xneg))
+        return true;
+    else
+        return false;
+}
+
+DetectorModuleGeometry::DetectorModuleGeometry(int64_t in_x0, int64_t in_y0,
+                                               DetectorModuleGeometry::Direction in_fast,
+                                               DetectorModuleGeometry::Direction in_slow) :
+                                               x0(in_x0), y0(in_y0), fast(in_fast), slow(in_slow) {
+    if ((dir_x(fast) && dir_x(slow)) || (!dir_x(fast) && !dir_x(slow)))
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "One of axes (fast/slow) has to be X and another one Y.");
+    if (dir_x(fast) && (fast == Direction::Xneg) && (x0 - fast_pixels + 1 < 0))
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "Edge of module in X is outside of the area.");
+
+    if (dir_x(slow) && (slow == Direction::Xneg) && (x0 - slow_pixels + 1 < 0))
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "Edge of module in X is outside of the area.");
+
+    if (dir_x(fast) && (slow == Direction::Yneg) && (y0 - slow_pixels + 1 < 0))
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "Edge of module in Y is outside of the area.");
+
+    if (dir_x(slow) && (fast == Direction::Yneg) && (y0 - fast_pixels + 1 < 0))
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "Edge of module in Y is outside of the area.");
+}
+
+int64_t DetectorModuleGeometry::GetMaxX() const {
+    if (fast == Direction::Xpos)
+        return x0 + fast_pixels - 1;
+    else if (slow == Direction::Xpos)
+        return x0 + slow_pixels - 1;
+    else
+        return x0;
+}
+
+int64_t DetectorModuleGeometry::GetMaxY() const {
+    if (fast == Direction::Ypos)
+        return y0 + fast_pixels - 1;
+    else if (slow == Direction::Ypos)
+        return y0 + slow_pixels - 1;
+    else
+        return y0;
+}
+
+int64_t DetectorModuleGeometry::GetPixel0_X() const {
+    return x0;
+}
+
+int64_t DetectorModuleGeometry::GetPixel0_Y() const {
+    return y0;
+}
+
+DetectorModuleGeometry::Direction DetectorModuleGeometry::GetSlowAxis() const {
+    return slow;
+}
+
+DetectorModuleGeometry::Direction DetectorModuleGeometry::GetFastAxis() const {
+    return fast;
+}
diff --git a/common/DetectorModuleGeometry.h b/common/DetectorModuleGeometry.h
new file mode 100644
index 00000000..f10583aa
--- /dev/null
+++ b/common/DetectorModuleGeometry.h
@@ -0,0 +1,34 @@
+// Copyright (2019-2023) Paul Scherrer Institute
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef JUNGFRAUJOCH_DETECTORMODULEGEOMETRY_H
+#define JUNGFRAUJOCH_DETECTORMODULEGEOMETRY_H
+
+#include <cstdint>
+#include "Definitions.h"
+
+class DetectorModuleGeometry {
+public:
+    enum class Direction {Xneg, Xpos, Yneg, Ypos};
+private:
+    const int64_t x0;
+    const int64_t y0;
+
+    constexpr static const int64_t fast_pixels = CONVERTED_MODULE_COLS;
+    constexpr static const int64_t slow_pixels = CONVERTED_MODULE_LINES;
+
+    const Direction fast;
+    const Direction slow;
+public:
+    DetectorModuleGeometry(int64_t x0, int64_t y0, Direction fast, Direction slow);
+    [[nodiscard]] int64_t GetMaxX() const;
+    [[nodiscard]] int64_t GetMaxY() const;
+
+    [[nodiscard]] int64_t GetPixel0_X() const;
+    [[nodiscard]] int64_t GetPixel0_Y() const;
+    [[nodiscard]] Direction GetSlowAxis() const;
+    [[nodiscard]] Direction GetFastAxis() const;
+};
+
+
+#endif //JUNGFRAUJOCH_DETECTORMODULEGEOMETRY_H
diff --git a/common/DiffractionExperiment.cpp b/common/DiffractionExperiment.cpp
index 5a1eb264..c0757122 100644
--- a/common/DiffractionExperiment.cpp
+++ b/common/DiffractionExperiment.cpp
@@ -31,29 +31,10 @@ DiffractionExperiment::operator JFJochProtoBuf::JungfraujochSettings() const {
     return settings;
 }
 
-DiffractionExperiment::DiffractionExperiment() : DiffractionExperiment(2, {4,4}, 0, 0, true)
+DiffractionExperiment::DiffractionExperiment() : DiffractionExperiment(DetectorGeometry(8, 2))
 {}
 
-DiffractionExperiment::DiffractionExperiment(int64_t horizontal_stacking, const std::vector<int64_t> &vec, int64_t gap_x,
-                                             int64_t gap_y, bool mirror_y_in_conversion) {
-    check_min("Gap X",gap_x, 0);
-    check_min("Gap Y",gap_y, 0);
-    check_min("Horizontal module stacking",horizontal_stacking, 1);
-
-    if (gap_x % 2 == 1)
-        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Gap X has to be even number");
-
-    if (gap_y % 2 == 1)
-        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Gap Y has to be even number");
-
-    if (vec.empty())
-        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "At least one data stream with one module needs to be defined");
-
-    for (const auto& val: vec) {
-        if (val == 0)
-            throw JFJochException(JFJochExceptionCategory::InputParameterInvalid, "Cannot define data stream with zero modules");
-    }
-
+DiffractionExperiment::DiffractionExperiment(const DetectorGeometry& geom) {
     dataset.set_photon_energy_kev(WVL_1A_IN_KEV);
     dataset.set_detector_distance_mm(100);
     dataset.mutable_scattering_vector()->set_x(0);
@@ -70,7 +51,8 @@ DiffractionExperiment::DiffractionExperiment(int64_t horizontal_stacking, const
 
     dataset.set_compression(JFJochProtoBuf::BSHUF_LZ4);
 
-    *internal.mutable_data_stream_modules() = {vec.begin(), vec.end()};
+    internal.set_ndatastreams(1);
+    internal.set_nmodules(geom.GetModulesNum());
 
     internal.set_frame_time_us(MIN_FRAME_TIME_HALF_SPEED_IN_US);
     internal.set_count_time_us(MIN_FRAME_TIME_HALF_SPEED_IN_US - READOUT_TIME_IN_US);
@@ -96,42 +78,11 @@ DiffractionExperiment::DiffractionExperiment(int64_t horizontal_stacking, const
     internal.set_storage_cells(1);
     internal.set_storage_cell_start(15);
 
-    CalculateGeometry(horizontal_stacking, vec, gap_x, gap_y, mirror_y_in_conversion);
+    *internal.mutable_conv_geometry() = geom;
+
     Mode(DetectorMode::Conversion);
 }
 
-void DiffractionExperiment::CalculateGeometry(int64_t horizontal_stacking, const std::vector<int64_t> &v, int64_t gap_x,
-                                              int64_t gap_y, bool mirror_y_in_conversion) {
-    auto nmodules = GetModulesNum();
-
-    const auto cgeom = internal.mutable_conv_geometry();
-
-    cgeom->set_width_pxl(horizontal_stacking * CONVERTED_MODULE_COLS + (horizontal_stacking - 1) * gap_x);
-    int64_t conv_lines = nmodules / horizontal_stacking + (nmodules % horizontal_stacking > 0 ? 1 : 0);
-    cgeom->set_height_pxl(conv_lines * CONVERTED_MODULE_LINES + (conv_lines - 1) * gap_y);
-    cgeom->set_mirror_modules_in_y(mirror_y_in_conversion);
-
-    for (int module = 0; module < nmodules; module++) {
-        int64_t module_x = module % horizontal_stacking;
-        int64_t module_y = module / horizontal_stacking;
-
-        int64_t pixel_x = module_x * (CONVERTED_MODULE_COLS + gap_x);
-        int64_t pixel_y = module_y * (CONVERTED_MODULE_LINES + gap_y);
-
-        if (mirror_y_in_conversion)
-            pixel_y = cgeom->height_pxl() - pixel_y - 1;
-
-        cgeom->add_pixel0_of_module(pixel_y * cgeom->width_pxl() + pixel_x);
-    }
-
-    const auto rgeom = internal.mutable_raw_geometry();
-    rgeom->set_width_pxl(RAW_MODULE_COLS);
-    rgeom->set_height_pxl(nmodules * RAW_MODULE_LINES);
-    rgeom->set_mirror_modules_in_y(false);
-    for (int module = 0; module < nmodules; module++)
-        rgeom->add_pixel0_of_module( module * RAW_MODULE_SIZE);
-}
-
 // setter functions
 
 DiffractionExperiment &DiffractionExperiment::Mode(DetectorMode input) {
@@ -152,11 +103,13 @@ DiffractionExperiment &DiffractionExperiment::Mode(DetectorMode input) {
             internal.set_mode(JFJochProtoBuf::PEDESTAL_G2);
             break;
     }
-    if (input == DetectorMode::Conversion)
-        *internal.mutable_geometry() = internal.conv_geometry();
-    else
-        *internal.mutable_geometry() = internal.raw_geometry();
+    return *this;
+}
 
+DiffractionExperiment &DiffractionExperiment::DataStreams(int64_t input) {
+    check_max("Number of data streams", input, 7);
+    check_min("Number of data streams", input, 1);
+    internal.set_ndatastreams(input);
     return *this;
 }
 
@@ -660,20 +613,20 @@ bool DiffractionExperiment::IsPixelSigned() const {
 }
 
 int64_t DiffractionExperiment::GetDataStreamsNum() const {
-    return internal.data_stream_modules_size();
+    return std::min(internal.ndatastreams(), internal.nmodules());
 }
 
 int64_t DiffractionExperiment::GetModulesNum(uint16_t data_stream) const {
     if (data_stream == TASK_NO_DATA_STREAM)
-        return std::accumulate(internal.data_stream_modules().begin(), internal.data_stream_modules().end(), 0);
+        return internal.nmodules();
+
     if (data_stream >= GetDataStreamsNum())
-        throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Non exisiting data stream");
-    return internal.data_stream_modules(data_stream);
+        throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Non existing data stream");
+
+    return (internal.nmodules() + (GetDataStreamsNum() - 1) - data_stream) / GetDataStreamsNum();
 }
 
 int64_t DiffractionExperiment::GetFirstModuleOfDataStream(uint16_t data_stream) const {
-    if (data_stream == TASK_NO_DATA_STREAM)
-        return 0;
     if (data_stream >= GetDataStreamsNum())
         throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Non exisiting data stream");
 
@@ -690,35 +643,46 @@ int64_t DiffractionExperiment::GetPixelsNum() const {
     return GetXPixelsNum() * GetYPixelsNum();
 }
 
+int64_t DiffractionExperiment::GetPixelsNumFullImage() const {
+    return GetXPixelsNumFullImage() * GetYPixelsNumFullImage();
+}
+
+int64_t DiffractionExperiment::GetXPixelsNumFullImage() const {
+    if (GetDetectorMode() != DetectorMode::Conversion)
+        return RAW_MODULE_COLS;
+    else
+        return internal.conv_geometry().width_pxl();
+}
+
 int64_t DiffractionExperiment::GetXPixelsNum() const {
     if (GetBinning2x2())
-        return internal.geometry().width_pxl() / 2;
+        return GetXPixelsNumFullImage() / 2;
     else
-        return internal.geometry().width_pxl();
+        return GetXPixelsNumFullImage();
 }
 
 int64_t DiffractionExperiment::GetYPixelsNum() const {
     if (GetBinning2x2())
-        return internal.geometry().height_pxl() / 2;
+        return GetYPixelsNumFullImage() / 2;
     else
-        return internal.geometry().height_pxl();
+        return GetYPixelsNumFullImage();
+}
+
+int64_t DiffractionExperiment::GetYPixelsNumFullImage() const {
+    if (GetDetectorMode() != DetectorMode::Conversion)
+        return RAW_MODULE_LINES * GetModulesNum();
+    else
+        return internal.conv_geometry().height_pxl();
 }
 
 int64_t DiffractionExperiment::GetPixel0OfModule(uint16_t module_number) const {
-    if (module_number >= internal.geometry().pixel0_of_module_size())
+    if (module_number >= GetModulesNum())
         throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Module number out of bounds");
 
-    if (GetBinning2x2()) {
-        auto tmp = internal.geometry().pixel0_of_module(module_number);
-        auto col = tmp % internal.geometry().width_pxl();
-        auto line = tmp / internal.geometry().width_pxl();
-        return line / 2 * (internal.geometry().width_pxl() / 2) + col / 2;
-    } else
-        return internal.geometry().pixel0_of_module(module_number);
-}
-
-bool DiffractionExperiment::IsUpsideDown() const {
-    return internal.geometry().mirror_modules_in_y();
+    if (GetDetectorMode() != DetectorMode::Conversion)
+        return RAW_MODULE_SIZE * module_number;
+    else
+        return internal.conv_geometry().module_geometry(module_number).pixel0();
 }
 
 int64_t DiffractionExperiment::GetOverflow() const {
@@ -1242,3 +1206,17 @@ std::string DiffractionExperiment::GetInstrumentName() const {
 std::string DiffractionExperiment::GetInstrumentNameShort() const {
     return internal.instrument_name_short();
 }
+
+int64_t DiffractionExperiment::GetModuleFastDirectionStep(uint16_t module_number) const {
+    if (module_number >= GetModulesNum())
+        throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Module number out of bounds");
+
+    return internal.conv_geometry().module_geometry(module_number).fast_direction_step();
+}
+
+int64_t DiffractionExperiment::GetModuleSlowDirectionStep(uint16_t module_number) const {
+    if (module_number >= GetModulesNum())
+        throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Module number out of bounds");
+
+    return internal.conv_geometry().module_geometry(module_number).slow_direction_step();
+}
diff --git a/common/DiffractionExperiment.h b/common/DiffractionExperiment.h
index 7adf372b..6a8277cd 100644
--- a/common/DiffractionExperiment.h
+++ b/common/DiffractionExperiment.h
@@ -17,6 +17,7 @@
 #include "Definitions.h"
 #include "../frame_serialize/StartMessage.h"
 #include "../frame_serialize/EndMessage.h"
+#include "DetectorGeometry.h"
 
 enum class DetectorMode : int {
     Conversion, Raw, PedestalG0, PedestalG1, PedestalG2
@@ -26,19 +27,17 @@ class DiffractionExperiment {
     JFJochProtoBuf::DatasetSettings dataset;
     JFJochProtoBuf::InternalSettings internal;
 
-    void CalculateGeometry(int64_t horizontal_stacking, const std::vector<int64_t> &v, int64_t gap_x, int64_t gap_y,
-                           bool mirror_y_in_conversion);
     constexpr static const int64_t max_spot_count = 100;
     DiffractionExperiment& SetUnitCell(const JFJochProtoBuf::UnitCell &input);
 public:
     // Public methods are atomic
     DiffractionExperiment();
-    DiffractionExperiment(int64_t horizontal_stacking, const std::vector<int64_t> &v, int64_t gap_x = 0, int64_t gap_y = 0,
-                          bool mirror_y_in_conversion = true);
+    DiffractionExperiment(const DetectorGeometry& geom);
     explicit DiffractionExperiment(const JFJochProtoBuf::JungfraujochSettings &settings);
 
     // Methods below can be chained together
     DiffractionExperiment& Mode(DetectorMode input);
+    DiffractionExperiment& DataStreams(int64_t input);
 
     DiffractionExperiment& Import(const JFJochProtoBuf::JungfraujochSettings &settings);
 
@@ -154,11 +153,17 @@ public:
     int64_t GetFirstModuleOfDataStream(uint16_t data_stream) const;
 
     int64_t GetPixelsNum() const;
-    int64_t GetYPixelsNum() const;
-    int64_t GetXPixelsNum() const; // X pixels must be the same for all modules
+    int64_t GetPixelsNumFullImage() const; // before filters, like ROI or binning
 
-    int64_t GetPixel0OfModule(uint16_t module_number) const;
-    bool IsUpsideDown() const;
+    int64_t GetYPixelsNum() const;
+    int64_t GetYPixelsNumFullImage() const; // before filters, like ROI or binning
+
+    int64_t GetXPixelsNum() const;
+    int64_t GetXPixelsNumFullImage() const; // before filters, like ROI or binning
+
+    int64_t GetPixel0OfModule(uint16_t module_number) const; // before filters, like ROI or binning
+    int64_t GetModuleFastDirectionStep(uint16_t module_number) const; // before filters, like ROI or binning
+    int64_t GetModuleSlowDirectionStep(uint16_t module_number) const; // before filters, like ROI or binning
 
     std::chrono::microseconds GetPreviewPeriod() const;
     int64_t GetPreviewStride() const;
diff --git a/common/DiffractionGeometry.cpp b/common/DiffractionGeometry.cpp
deleted file mode 100644
index 2213a436..00000000
--- a/common/DiffractionGeometry.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (2019-2022) Paul Scherrer Institute
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include <cmath>
-#include "DiffractionGeometry.h"
-
-DiffractionGeometry::DiffractionGeometry(float in_beam_x_pxl, float in_beam_y_pxl, float in_detector_distance_mm,
-                                         float in_pixel_size_mm, float in_wavelength_A, Coord in_scattering_vector)
-        : beam_x_pxl(in_beam_x_pxl),
-        beam_y_pxl(in_beam_y_pxl),
-        detector_distance_mm(in_detector_distance_mm),
-        pixel_size_mm(in_pixel_size_mm),
-        wavelength_A(in_wavelength_A),
-        scattering_vector(in_scattering_vector) {}
-
-Coord DiffractionGeometry::DetectorToLab(float x_pxl, float y_pxl) const {
-    // Assumes planar detector, 90 deg towards beam
-    return {(x_pxl - beam_x_pxl) * pixel_size_mm ,
-            (y_pxl - beam_y_pxl) * pixel_size_mm ,
-            detector_distance_mm};
-}
-
-Coord DiffractionGeometry::DetectorToRecip(float x_pxl, float y_pxl) const {
-    return DetectorToLab(x_pxl, y_pxl).Normalize() / wavelength_A - scattering_vector;
-}
-
-float DiffractionGeometry::PxlToRes(float detector_x, float detector_y) const {
-    auto lab = DetectorToLab(detector_x, detector_y);
-
-    float beam_path = lab.Length();
-    if (beam_path == detector_distance_mm) return INFINITY;
-
-    float cos_2theta = detector_distance_mm / beam_path;
-    // cos(2theta) = cos(theta)^2 - sin(theta)^2
-    // cos(2theta) = 1 - 2*sin(theta)^2
-    // Technically two solutions for two theta, but it makes sense only to take positive one in this case
-    float sin_theta = sqrt((1-cos_2theta)/2);
-    return wavelength_A / (2 * sin_theta);
-}
-
-float DiffractionGeometry::ResToPxl(float resolution) const {
-    if (resolution == 0)
-        return INFINITY;
-
-    float sin_theta = wavelength_A / (2 * resolution);
-    float theta = asin(sin_theta);
-    float tan_2theta = tan(2 * theta);
-    return tan_2theta * detector_distance_mm / pixel_size_mm;
-}
diff --git a/common/DiffractionGeometry.h b/common/DiffractionGeometry.h
deleted file mode 100644
index 50153111..00000000
--- a/common/DiffractionGeometry.h
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright (2019-2022) Paul Scherrer Institute
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#ifndef DIFFRACTIONGEOMETRY_H
-#define DIFFRACTIONGEOMETRY_H
-
-#include "Coord.h"
-#include "DiffractionSpot.h"
-
-class DiffractionGeometry {
-    const float beam_x_pxl;
-    const float beam_y_pxl;
-    const float detector_distance_mm;
-    const float pixel_size_mm;
-    const float wavelength_A;
-    const Coord scattering_vector;
-public:
-    DiffractionGeometry(float beam_x_pxl,
-                        float beam_y_pxl,
-                        float detector_distance_mm,
-                        float pixel_size_mm,
-                        float wavelength_A,
-                        Coord scattering_vector);
-    Coord DetectorToLab(float x_pxl, float y_pxl) const;
-    Coord DetectorToRecip(float x_pxl, float y_pxl) const;
-
-    float ResToPxl(float resolution) const;
-    float PxlToRes(float detector_x, float detector_y) const;
-};
-
-#endif
\ No newline at end of file
diff --git a/common/FrameTransformation.cpp b/common/FrameTransformation.cpp
index 87d8c5e1..50d34ec7 100644
--- a/common/FrameTransformation.cpp
+++ b/common/FrameTransformation.cpp
@@ -12,8 +12,6 @@
 FrameTransformation::FrameTransformation(const DiffractionExperiment &in_experiment) :
         experiment(in_experiment), summation(experiment.GetSummation()),
         pixel_depth(experiment.GetPixelDepth()), compressor(in_experiment.GetCompressionAlgorithmEnum()),
-        compression_algorithm(in_experiment.GetCompressionAlgorithmEnum()),
-        line_shift((experiment.IsUpsideDown() ? -1 : 1) * experiment.GetXPixelsNum()),
         binning_2x2(experiment.GetBinning2x2()) {
 
     if ((experiment.GetDetectorMode() == DetectorMode::Conversion) && (summation > 1)) {
@@ -25,6 +23,9 @@ FrameTransformation::FrameTransformation(const DiffractionExperiment &in_experim
     if (pixel_depth == 4)
         image16bit.resize(experiment.GetPixelsNum(), 0);
 
+    if (binning_2x2)
+        full_image_buffer.resize(experiment.GetPixelsNumFullImage() * pixel_depth);
+
     if (experiment.GetApplyPixelMaskInFPGA()) {
         // Mask gaps
         if (pixel_depth == 2) {
@@ -56,24 +57,32 @@ template <class Td> void AddToFramesSum(Td *destination, const int16_t *source)
 
 void FrameTransformation::PackSummation() {
     for (int m = 0; m < experiment.GetModulesNum(); m++) {
-        void *output = precompression_buffer.data() + sizeof(int32_t) * experiment.GetPixel0OfModule(m);
+        int32_t *output;
         if (binning_2x2)
-            TransferModuleAdjustMultipixelsBin2x2((int32_t *) output,
-                                                  (int32_t *) summation_buffer[m].data(),
-                                                  line_shift,
-                                                  static_cast<int32_t>(INT32_MIN),
-                                                  static_cast<int32_t>(INT32_MAX));
+            output = (int32_t *) full_image_buffer.data();
         else
-            TransferModuleAdjustMultipixels((int32_t *) output,
-                                            (int32_t *) summation_buffer[m].data(),
-                                            line_shift,
-                                            static_cast<int32_t>(INT32_MIN),
-                                            static_cast<int32_t>(INT32_MAX));
+            output = (int32_t *) precompression_buffer.data();
+
+        TransferModuleAdjustMultipixels(output,
+                                        (int32_t *) summation_buffer[m].data(),
+                                        experiment.GetModuleSlowDirectionStep(m),
+                                        static_cast<int32_t>(INT32_MIN),
+                                        static_cast<int32_t>(INT32_MAX),
+                                        experiment.GetModuleFastDirectionStep(m),
+                                        experiment.GetPixel0OfModule(m));
 
         for (auto &i: summation_buffer[m])
             i = 0;
     }
 
+    if (binning_2x2)
+        Bin2x2_sum<int32_t>((int32_t *) precompression_buffer.data(),
+                            (int32_t *) full_image_buffer.data(),
+                            experiment.GetXPixelsNumFullImage(),
+                            experiment.GetYPixelsNumFullImage(),
+                            static_cast<int32_t>(experiment.GetUnderflow()),
+                            static_cast<int32_t>(experiment.GetOverflow()));
+
     if (pixel_depth == 4) {
         // Generate 16-bit preview image
         auto arr = (int32_t *) precompression_buffer.data();
@@ -92,13 +101,19 @@ void FrameTransformation::PackSummation() {
 size_t FrameTransformation::PackStandardOutput() {
     if (summation > 1)
         PackSummation();
-
+    else {
+        if (binning_2x2)
+            Bin2x2_sum<int16_t>((int16_t *) precompression_buffer.data(),
+                                (int16_t *) full_image_buffer.data(),
+                                experiment.GetXPixelsNumFullImage(),
+                                experiment.GetYPixelsNumFullImage(),
+                                INT16_MIN, INT16_MAX);
+    }
     return compressor.Compress(standard_output, precompression_buffer.data(),
                                experiment.GetPixelsNum(), pixel_depth);
 }
 
-void FrameTransformation::ProcessModule(const int16_t *input, size_t frame_number, uint16_t module_number,
-                                        int data_stream) {
+void FrameTransformation::ProcessModule(const int16_t *input, uint16_t module_number, int data_stream) {
     if (standard_output == nullptr)
         throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Default stream output not initialized");
 
@@ -107,18 +122,22 @@ void FrameTransformation::ProcessModule(const int16_t *input, size_t frame_numbe
     if (summation == 1) {
         int16_t *output;
 
-        output = ((int16_t *) precompression_buffer.data()) + experiment.GetPixel0OfModule(module_number_abs);
+        if (binning_2x2)
+            output = (int16_t *) full_image_buffer.data();
+        else
+            output = (int16_t *) precompression_buffer.data();
 
         if (experiment.GetDetectorMode() != DetectorMode::Conversion)
-            memcpy(output, input, RAW_MODULE_SIZE * experiment.GetPixelDepth());
-        else if (binning_2x2)
-            TransferModuleAdjustMultipixelsBin2x2((int16_t *) output, (int16_t *) input, line_shift,
-                                                  static_cast<int16_t>(INT16_MIN),
-                                                  static_cast<int16_t>(INT16_MAX));
+            memcpy(output + RAW_MODULE_SIZE * module_number_abs,
+                   input,
+                   RAW_MODULE_SIZE * experiment.GetPixelDepth());
         else
-            TransferModuleAdjustMultipixels((int16_t *) output, (int16_t *) input, line_shift,
+            TransferModuleAdjustMultipixels(output, (int16_t *) input,
+                                            experiment.GetModuleSlowDirectionStep(module_number_abs),
                                             static_cast<int16_t>(INT16_MIN),
-                                            static_cast<int16_t>(INT16_MAX));
+                                            static_cast<int16_t>(INT16_MAX),
+                                            experiment.GetModuleFastDirectionStep(module_number_abs),
+                                            experiment.GetPixel0OfModule(module_number_abs));
     } else {
         AddToFramesSum(summation_buffer[module_number_abs].data(), input);
     }
@@ -131,18 +150,30 @@ int16_t *FrameTransformation::GetPreview16BitImage() {
         return image16bit.data();
 }
 
-void FrameTransformation::ProcessModule(JFConversion &conv, const int16_t *input, size_t frame_number,
-                                        uint16_t module_number, int data_stream) {
+void FrameTransformation::ProcessModule(JFConversion &conv, const int16_t *input, uint16_t module_number, int data_stream) {
     if (standard_output == nullptr)
         throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Default stream output not initialized");
 
     size_t module_number_abs = experiment.GetFirstModuleOfDataStream(data_stream) + module_number;
 
-    auto output = ((int16_t *) precompression_buffer.data()) + experiment.GetPixel0OfModule(module_number_abs);
+    if (summation == 1) {
+        int16_t *output;
 
-    if (experiment.GetDetectorMode() != DetectorMode::Conversion)
-        memcpy(output, input, RAW_MODULE_SIZE * experiment.GetPixelDepth());
-    else
-        conv.ConvertAdjustGeom((int16_t *) output, (uint16_t *) input, line_shift);
+        if (binning_2x2)
+            output = (int16_t *) full_image_buffer.data();
+        else
+            output = (int16_t *) precompression_buffer.data();
+
+        if (experiment.GetDetectorMode() != DetectorMode::Conversion)
+            memcpy(output + RAW_MODULE_SIZE * module_number_abs, input, RAW_MODULE_SIZE * experiment.GetPixelDepth());
+        else
+            conv.ConvertAdjustGeom((int16_t *) output, (uint16_t *) input,
+                                   experiment.GetModuleSlowDirectionStep(module_number_abs),
+                                   experiment.GetModuleFastDirectionStep(module_number_abs),
+                                   experiment.GetPixel0OfModule(module_number_abs));
+    } else {
+        throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
+                              "Summation with CPU conversion not supported at the moment");
+    }
 }
 
diff --git a/common/FrameTransformation.h b/common/FrameTransformation.h
index 2ee46884..8da6668b 100644
--- a/common/FrameTransformation.h
+++ b/common/FrameTransformation.h
@@ -12,8 +12,6 @@ class FrameTransformation {
     const DiffractionExperiment& experiment;
     JFJochBitShuffleCompressor compressor;
 
-    CompressionAlgorithm compression_algorithm;
-
     std::vector<std::vector<int32_t> > summation_buffer;
     std::vector<char> precompression_buffer;
     std::vector<int16_t> image16bit;
@@ -22,15 +20,15 @@ class FrameTransformation {
 
     const size_t summation;
     const size_t pixel_depth;
-    const int64_t line_shift;
 
+    std::vector<char> full_image_buffer;
     bool binning_2x2;
     void PackSummation(); // transfer summed image to converted coordinates, clear summation buffer, no compression
 public:
     FrameTransformation(const DiffractionExperiment &experiment);
     FrameTransformation& SetOutput(void *output);
-    void ProcessModule(const int16_t *input, size_t frame_number, uint16_t module_number, int data_stream);
-    void ProcessModule(JFConversion &conv, const int16_t *input, size_t frame_number, uint16_t module_number,
+    void ProcessModule(const int16_t *input, uint16_t module_number, int data_stream);
+    void ProcessModule(JFConversion &conv, const int16_t *input, uint16_t module_number,
                        int data_stream);
     size_t PackStandardOutput(); // transfer summed image to converted coordinates, clear summation buffer, compress
 
diff --git a/common/RawToConvertedGeometry.h b/common/RawToConvertedGeometry.h
index f095c077..310f597d 100644
--- a/common/RawToConvertedGeometry.h
+++ b/common/RawToConvertedGeometry.h
@@ -8,61 +8,70 @@
 #include "DiffractionExperiment.h"
 
 // Take half of the number, but only if not bad pixel/overload
-template <typename T> T half(T in, T min, T max) {
+template<typename T>
+T half(T in, T min, T max) {
     T tmp = in;
     if ((in > min) && (in < max)) tmp /= 2;
     return tmp;
 }
 
-template <typename T> T quarter(T in, T min, T max) {
+template<typename T>
+T quarter(T in, T min, T max) {
     T tmp = in;
     if ((in > min) && (in < max)) tmp /= 4;
     return tmp;
 }
 
 // Copy line, divide everything by 2 and extend multipixels + divide them by additional factor of 2
-template <typename Td, typename Ts> void LineCopyAndAdjustMultipixelMidRow(Td *destination, const Ts* source, Ts min, Ts max) {
+template<typename Td, typename Ts>
+void LineCopyAndAdjustMultipixelMidRow(Td *destination, const Ts *source, Ts min, Ts max,
+                                       int64_t fast_dir_step = 1, int64_t offset_0 = 0) {
     for (int chip = 0; chip < 4; chip++) {
         for (int i = 0; i < 256; i++) {
-            destination[i+chip*258] = half(source[i+chip*256], min, max);
+            destination[offset_0 + (i + chip * 258) * fast_dir_step] = half(source[i + chip * 256], min, max);
         }
     }
     for (int i = 0; i < 3; i++) {
-        destination[255+i*258] = quarter(source[255 + i*256], min, max);
-        destination[256+i*258] = quarter(source[255 + i*256], min, max);
-        destination[257+i*258] = quarter(source[256 + i*256], min, max);
-        destination[258+i*258] = quarter(source[256 + i*256], min, max);
+        destination[offset_0 + (255 + i * 258) * fast_dir_step] = quarter(source[255 + i * 256], min, max);
+        destination[offset_0 + (256 + i * 258) * fast_dir_step] = quarter(source[255 + i * 256], min, max);
+        destination[offset_0 + (257 + i * 258) * fast_dir_step] = quarter(source[256 + i * 256], min, max);
+        destination[offset_0 + (258 + i * 258) * fast_dir_step] = quarter(source[256 + i * 256], min, max);
     }
 }
 
 // Copy line and extend multipixels + divide them by 2
-template <typename Td, typename Ts> void LineCopyAndAdjustMultipixel(Td *destination, const Ts* source, Ts min, Ts max) {
+template<typename Td, typename Ts>
+void LineCopyAndAdjustMultipixel(Td *destination, const Ts *source, Ts min, Ts max,
+                                 int64_t fast_dir_step = 1, int64_t offset_0 = 0) {
     for (int chip = 0; chip < 4; chip++) {
         for (int i = 0; i < 256; i++) {
-            destination[i + chip * 258] = source[i + chip * 256];
+            destination[offset_0 + (i + chip * 258) * fast_dir_step] = source[i + chip * 256];
         }
     }
     for (int chip = 0; chip < 3; chip++) {
-        destination[255+chip*258] = half(source[255 + chip*256], min, max);
-        destination[256+chip*258] = half(source[255 + chip*256], min, max);
-        destination[257+chip*258] = half(source[256 + chip*256], min, max);
-        destination[258+chip*258] = half(source[256 + chip*256], min, max);
+        destination[offset_0 + (255 + chip * 258) * fast_dir_step] = half(source[255 + chip * 256], min, max);
+        destination[offset_0 + (256 + chip * 258) * fast_dir_step] = half(source[255 + chip * 256], min, max);
+        destination[offset_0 + (257 + chip * 258) * fast_dir_step] = half(source[256 + chip * 256], min, max);
+        destination[offset_0 + (258 + chip * 258) * fast_dir_step] = half(source[256 + chip * 256], min, max);
     }
 }
 
 // Copy line and copy multipixels (e.g. for mask)
-template <typename Td, typename Ts> void LineCopyAndAddMultipixel(Td *destination, const Ts* source) {
+template<typename Td, typename Ts>
+void LineCopyAndAddMultipixel(Td *destination, const Ts *source,
+                              int64_t fast_dir_step = 1, int64_t offset_0 = 0) {
     for (int chip = 0; chip < 4; chip++) {
         for (int i = 0; i < 256; i++)
-            destination[i+chip*258] = source[i+chip*256];
+            destination[offset_0 + (i + chip * 258) * fast_dir_step] = source[i + chip * 256];
     }
     for (int i = 0; i < 3; i++) {
-        destination[256+i*258] = source[255 + i*256];
-        destination[257+i*258] = source[256 + i*256];
+        destination[offset_0 + (256 + i * 258) * fast_dir_step] = source[255 + i * 256];
+        destination[offset_0 + (257 + i * 258) * fast_dir_step] = source[256 + i * 256];
     }
 }
 
-template <class T, class Tint = int32_t>
+
+template<class T, class Tint = int32_t>
 T Bin2x2_sum(T a, T b, T c, T d, T underload, T overload) {
     T ret;
     if ((a <= underload) || (b <= underload) || (c <= underload) || (d <= underload))
@@ -70,7 +79,7 @@ T Bin2x2_sum(T a, T b, T c, T d, T underload, T overload) {
     else if ((a >= overload) || (b >= overload) || (c >= overload) || (d >= overload))
         ret = overload;
     else {
-        Tint sum = a + b + c +d;
+        Tint sum = a + b + c + d;
         if (sum > overload)
             ret = overload;
         else
@@ -79,198 +88,92 @@ T Bin2x2_sum(T a, T b, T c, T d, T underload, T overload) {
     return ret;
 }
 
-// Copy line and copy multipixels (e.g. for mask)
-template <class Ts, class Tint = int32_t>
-void LineCopyAndAdjustMultipixelBin2x2(Ts *destination, const Ts* source, Ts min, Ts max) {
-
-    destination[0] = Bin2x2_sum<Ts, Tint>(source[0], source[1], source[1024], source[1025], min, max);
-
-    for (int chip = 0; chip < 4; chip++) {
-        for (int i = 1; i < 127; i++)
-            destination[i + 129 * chip] = Bin2x2_sum<Ts, Tint>(source[2 * i + 256*chip],
-                                                               source[2 * i + 1 + 256*chip],
-                                                               source[2 * i + 1024 + 256*chip],
-                                                               source[2 * i + 1025 + 256*chip],
-                                                               min, max);
-    }
-
-    destination[514] = Bin2x2_sum<Ts, Tint>(source[1022], source[1023], source[2046], source[2047], min, max);
-
-    for (int chip = 0; chip < 3; chip++) {
-        destination[127 + chip * 129] = Bin2x2_sum<Ts, Tint>(source[254 + chip * 256],
-                                                             half(source[255 + chip * 256], min, max),
-                                                             source[254 + chip * 256 + 1024],
-                                                             half(source[255 + chip * 256 + 1024], min, max),
-                                                             min, max);
-        destination[128 + chip * 129] = Bin2x2_sum<Ts, Tint>(half(source[255 + chip * 256], min, max),
-                                                             half(source[256 + chip * 256], min, max),
-                                                             half(source[255 + chip * 256 + 1024], min, max),
-                                                             half(source[256 + chip * 256 + 1024], min, max),
-                                                             min, max);
-        destination[129 + chip * 129] = Bin2x2_sum<Ts, Tint>(source[257 + chip * 256],
-                                                             half(source[256 + chip * 256], min, max),
-                                                             source[257 + chip * 256 + 1024],
-                                                             half(source[256 + chip * 256 + 1024], min, max),
-                                                             min, max);
-    };
-}
-
-template <class Ts, class Tint = int32_t>
-void LineCopyAndAdjustMultipixelBin2x2MidRow(Ts *destination, const Ts* source, Ts min, Ts max) {
-
-    destination[0] = Bin2x2_sum<Ts, Tint>(source[0], source[1], 0, 0, min, max);
-
-    for (int chip = 0; chip < 4; chip++) {
-        for (int i = 1; i < 127; i++)
-            destination[i + 129*chip] = Bin2x2_sum<Ts, Tint>(source[2 * i + 256*chip],
-                                                             source[2 * i + 1 + 256*chip],
-                                                             0,
-                                                             0,
-                                                             min, max);
-    }
-
-    destination[514] = Bin2x2_sum<Ts, Tint>(source[1022], source[1023], 0, 0, min, max);
-
-    for (int chip = 0; chip < 3; chip++) {
-        destination[127+chip*129] =  Bin2x2_sum<Ts, Tint>(source[254 + chip * 256],
-                                                          half(source[255 + chip * 256], min, max),
-                                                          0,
-                                                          0,
-                                                          min, max);
-        destination[128+chip*129] =  Bin2x2_sum<Ts, Tint>(half(source[255 + chip * 256], min, max),
-                                                          half(source[256 + chip * 256], min, max),
-                                                          0,
-                                                          0,
-                                                          min, max);
-        destination[129+chip*129] =  Bin2x2_sum<Ts, Tint>(source[257 + chip * 256],
-                                                          half(source[256 + chip * 256], min, max),
-                                                          0,
-                                                          0,
-                                                          min, max);
+template<class T, class Tint = int32_t>
+void Bin2x2_sum(T *destination, const T *source, size_t width, size_t height, T underload, T overload) {
+    for (int y = 0; y < height / 2; y++) {
+        for (int x = 0; x < width / 2; x++)
+            destination[y * (width / 2) + x] = Bin2x2_sum<T, Tint>(source[(y * 2) * width + (x * 2)],
+                                                                   source[(y * 2 + 1) * width + (x * 2)],
+                                                                   source[(y * 2) * width + (x * 2 + 1)],
+                                                                   source[(y * 2 + 1) * width + (x * 2 + 1)],
+                                                                   underload, overload);
     }
 }
 
-template <class Td, class Ts> void TransferModule(Td *destination, const Ts *source, int64_t line_shift) {
+template<class Td, class Ts>
+void TransferModule(Td *destination, const Ts *source,
+                    int64_t slow_dir_step,
+                    int64_t fast_dir_step = 1,
+ int64_t offset_0 = 0) {
     for (size_t line = 0; line < RAW_MODULE_LINES; line++) {
         if ((line == 255) || (line == 256)) {
-            LineCopyAndAddMultipixel<Td, Ts>(destination + line_shift * (line + 1), source + RAW_MODULE_COLS * line);
-            LineCopyAndAddMultipixel<Td, Ts>(destination + line_shift * (line + ((line > 255) ? 2 : 0)), source + RAW_MODULE_COLS * line);
+            LineCopyAndAddMultipixel<Td, Ts>(destination + slow_dir_step * (line + 1),
+                                             source + RAW_MODULE_COLS * line,
+                                             fast_dir_step, offset_0);
+            LineCopyAndAddMultipixel<Td, Ts>(destination + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                             source + RAW_MODULE_COLS * line,
+                                             fast_dir_step, offset_0);
         } else {
-            LineCopyAndAddMultipixel<Td, Ts>(destination + line_shift * (line + ((line > 255) ? 2 : 0)), source + RAW_MODULE_COLS * line);
+            LineCopyAndAddMultipixel<Td, Ts>(destination + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                             source + RAW_MODULE_COLS * line,
+                                             fast_dir_step);
         }
     }
 }
 
-template <class Td, class Ts> void TransferModuleAdjustMultipixels(Td *destination, const Ts *source, int64_t line_shift, Ts min, Ts max) {
+template<class Td, class Ts>
+void TransferModuleAdjustMultipixels(Td *destination, const Ts *source, int64_t slow_dir_step, Ts min, Ts max,
+                                     int64_t fast_dir_step = 1, int64_t offset_0 = 0) {
     for (size_t line = 0; line < RAW_MODULE_LINES; line++) {
         if ((line != 255) && (line != 256))
-            LineCopyAndAdjustMultipixel<Td, Ts>(destination + line_shift * (line + ((line > 255) ? 2 : 0)),
-                                                source + RAW_MODULE_COLS * line, min, max);
+            LineCopyAndAdjustMultipixel<Td, Ts>(destination + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                                source + RAW_MODULE_COLS * line, min, max, fast_dir_step,
+                                                offset_0);
         else {
-            LineCopyAndAdjustMultipixelMidRow<Td, Ts>(destination + line_shift * (line + 1),
-                                                      source + RAW_MODULE_COLS * line, min, max);
-            memcpy(destination + line_shift * (line + ((line > 255) ? 2 : 0)),
-                   destination + line_shift * (line + 1),CONVERTED_MODULE_COLS*sizeof(Td));
+            LineCopyAndAdjustMultipixelMidRow<Td, Ts>(destination + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                                      source + RAW_MODULE_COLS * line, min, max,
+                                                      fast_dir_step, offset_0);
+            LineCopyAndAdjustMultipixelMidRow<Td, Ts>(destination + slow_dir_step * (line + 1),
+                                                      source + RAW_MODULE_COLS * line, min, max,
+                                                      fast_dir_step, offset_0);
         }
     }
 }
 
-template <class Ts, class Tint = int32_t>
-void TransferModuleAdjustMultipixelsBin2x2(Ts *destination, const Ts *source,
-                                           int64_t line_shift, Ts min, Ts max) {
-    for (size_t line = 0; line < RAW_MODULE_LINES/2; line++) {
-        if (line == 127)
-            LineCopyAndAdjustMultipixelBin2x2MidRow<Ts, Tint>(destination + line_shift * 128,
-                                                              source + 255 * RAW_MODULE_COLS, min, max);
-        if (line == 128)
-            LineCopyAndAdjustMultipixelBin2x2MidRow<Ts, Tint>(destination + line_shift * 129,
-                                                              source + 256 * RAW_MODULE_COLS, min, max);
-        else
-            LineCopyAndAdjustMultipixelBin2x2<Ts, Tint>(destination + line_shift * (line + ((line > 127) ? 1 : 0)),
-                                                        source + line * 2 * RAW_MODULE_COLS, min, max);
-    }
-}
-
-inline std::pair<int64_t, int64_t> RawToConvertedCoordinate(const DiffractionExperiment& experiment,
-                                                            uint32_t module_number,
-                                                            uint32_t pixel_within_module) {
-    int64_t line0 = experiment.GetPixel0OfModule(module_number) / experiment.GetXPixelsNum();
-    int64_t col0 = experiment.GetPixel0OfModule(module_number) % experiment.GetXPixelsNum();
-
-    int64_t line = pixel_within_module / RAW_MODULE_COLS;
-    int64_t col = pixel_within_module % RAW_MODULE_COLS;
-
-    line += (line / 256) * 2;
-    col += (col / 256) * 2;
-
-    return {col0 + col, line0 + (experiment.IsUpsideDown() ? -1 : 1) * line};
-}
-
-inline Coord RawToConvertedCoordinate(const DiffractionExperiment& experiment, uint16_t data_stream, const Coord &raw) {
-    if (experiment.GetDetectorMode() == DetectorMode::Conversion) {
-        size_t module_number = experiment.GetFirstModuleOfDataStream(data_stream) + raw.y / RAW_MODULE_LINES;
-        double line = raw.y - floor(raw.y / RAW_MODULE_LINES) * RAW_MODULE_LINES;
-        double col = raw.x;
-
-        line += floor(line / 256) * 2;
-        col += floor(col / 256) * 2;
-
-        Coord out(experiment.GetPixel0OfModule(module_number) % experiment.GetXPixelsNum(),
-                  experiment.GetPixel0OfModule(module_number) / experiment.GetXPixelsNum(),
-                  raw.z);
-        out.x += col;
-        out.y += (experiment.IsUpsideDown() ? -1 : 1) * line;
-
-        return out;
-    } else return raw;
-}
-
 // Input coord is column + 1024 * (line + 512 * module)
 // Copies result over multipixel - can be used for example for mask calculation
-template <class Td, class Ts> void RawToConvertedGeometry(const DiffractionExperiment& experiment, Td *destination, const Ts *source) {
+template<class Td, class Ts>
+void RawToConvertedGeometry(const DiffractionExperiment &experiment, Td *destination, const Ts *source) {
     for (size_t module_number = 0; module_number < experiment.GetModulesNum(); module_number++)
         TransferModule<Td, Ts>(destination + experiment.GetPixel0OfModule(module_number),
                                source + module_number * RAW_MODULE_SIZE,
-                               (experiment.IsUpsideDown() ? -1 : 1) * experiment.GetXPixelsNum());
+                               experiment.GetModuleSlowDirectionStep(module_number),
+                               experiment.GetModuleFastDirectionStep(module_number));
 }
 
-
-// Input coord is column + 1024 * (line + 512 * module)
-template <class Ts> void RawToConvertedGeometryAdjustMultipixels(const DiffractionExperiment& experiment, Ts *destination, const Ts *source) {
-    Ts min = experiment.GetUnderflow() + 1;
-    if (min > 0) min = 0;
-    Ts max = experiment.GetOverflow() - 1;
-
-    for (size_t module_number = 0; module_number < experiment.GetModulesNum(); module_number++) {
-        if (experiment.GetBinning2x2())
-            TransferModuleAdjustMultipixelsBin2x2<Ts, float>(destination + experiment.GetPixel0OfModule(module_number),
-                                                             source + module_number * RAW_MODULE_SIZE,
-                                                             (experiment.IsUpsideDown() ? -1 : 1) * experiment.GetXPixelsNum(), min, max);
-        else
-            TransferModuleAdjustMultipixels<Ts, Ts>(destination + experiment.GetPixel0OfModule(module_number),
-                                                    source + module_number * RAW_MODULE_SIZE,
-                                                    (experiment.IsUpsideDown() ? -1 : 1) * experiment.GetXPixelsNum(), min, max);
-    }
-}
-
-template <class T> void LineConvtToRaw(T *destination, const T* source) {
+template<class T>
+void LineConvtToRaw(T *destination, const T *source) {
     for (int chip = 0; chip < 4; chip++) {
         for (int i = 0; i < 256; i++)
-            destination[i+chip*256] = source[i+chip*258];
+            destination[i + chip * 256] = source[i + chip * 258];
     }
 }
 
-template <class T> void ConvertedToRawGeometry(const DiffractionExperiment& experiment, T *destination, const T* source) {
+template<class T>
+void ConvertedToRawGeometry(const DiffractionExperiment &experiment, T *destination, const T *source) {
     for (size_t module_number = 0; module_number < experiment.GetModulesNum(); module_number++) {
         for (size_t line = 0; line < RAW_MODULE_LINES; line++) {
             LineConvtToRaw<T>(destination + module_number * RAW_MODULE_SIZE + RAW_MODULE_COLS * line,
-                              source + experiment.GetPixel0OfModule(module_number) + (experiment.IsUpsideDown() ? -1 : 1) * experiment.GetXPixelsNum() * (line + ((line > 255) ? 2 : 0))
+                              source + experiment.GetPixel0OfModule(module_number) +
+                              experiment.GetModuleSlowDirectionStep(module_number) *
+                              (line + ((line > 255) ? 2 : 0))
             );
         }
     }
 }
 
-template <class T> void Bin2x2_or(T *destination, const T* source, size_t width, size_t height) {
+template<class T>
+void Bin2x2_or(T *destination, const T *source, size_t width, size_t height) {
     for (int y = 0; y < height / 2; y++) {
         for (int x = 0; x < width / 2; x++) {
             T tmp[4];
@@ -278,20 +181,42 @@ template <class T> void Bin2x2_or(T *destination, const T* source, size_t width,
             tmp[1] = source[(y * 2 + 1) * width + (x * 2)];
             tmp[2] = source[(y * 2) * width + (x * 2 + 1)];
             tmp[3] = source[(y * 2 + 1) * width + (x * 2 + 1)];
-            destination[y * (width/2) + x] = tmp[0] | tmp[1] | tmp[2] | tmp[3];
+            destination[y * (width / 2) + x] = tmp[0] | tmp[1] | tmp[2] | tmp[3];
         }
     }
 }
 
-template <class T, class Tint = int32_t>
-void Bin2x2_sum(T *destination, const T* source, size_t width, size_t height, T underload, T overload) {
-    for (int y = 0; y < height / 2; y++) {
-        for (int x = 0; x < width / 2; x++)
-            destination[y * (width/2) + x] = Bin2x2_sum<T, Tint>(source[(y * 2) * width + (x * 2)],
-                                                                 source[(y * 2 + 1) * width + (x * 2)],
-                                                                 source[(y * 2) * width + (x * 2 + 1)],
-                                                                 source[(y * 2 + 1) * width + (x * 2 + 1)],
-                                                                 underload, overload);
+// Input coord is column + 1024 * (line + 512 * module)
+template<class Ts>
+void RawToConvertedGeometryAdjustMultipixels(const DiffractionExperiment &experiment, Ts *destination, const Ts *source) {
+    Ts min = experiment.GetUnderflow() + 1;
+    if (min > 0) min = 0;
+    Ts max = experiment.GetOverflow() - 1;
+
+    if (experiment.GetBinning2x2()) {
+        std::vector<Ts> tmp(experiment.GetPixelsNumFullImage());
+        for (size_t module_number = 0; module_number < experiment.GetModulesNum(); module_number++) {
+            TransferModuleAdjustMultipixels<Ts, Ts>(tmp.data(),
+                                                    source + module_number * RAW_MODULE_SIZE,
+                                                    experiment.GetModuleSlowDirectionStep(module_number),
+                                                    min, max,
+                                                    experiment.GetModuleFastDirectionStep(module_number),
+                                                    experiment.GetPixel0OfModule(module_number));
+            Bin2x2_sum(destination,
+                       tmp.data(),
+                       experiment.GetXPixelsNumFullImage(),
+                       experiment.GetYPixelsNumFullImage(),
+                       min, max);
+        }
+    } else {
+        for (size_t module_number = 0; module_number < experiment.GetModulesNum(); module_number++) {
+            TransferModuleAdjustMultipixels<Ts, Ts>(destination,
+                                                    source + module_number * RAW_MODULE_SIZE,
+                                                    experiment.GetModuleSlowDirectionStep(module_number),
+                                                    min, max,
+                                                    experiment.GetModuleFastDirectionStep(module_number),
+                                                    experiment.GetPixel0OfModule(module_number));
+        }
     }
 }
 
diff --git a/detector_control/slsDetectorPackage b/detector_control/slsDetectorPackage
index 77c558a7..ae0a54a7 160000
--- a/detector_control/slsDetectorPackage
+++ b/detector_control/slsDetectorPackage
@@ -1 +1 @@
-Subproject commit 77c558a7be56ff1e7391e35ed4c01dc3a36412a1
+Subproject commit ae0a54a774c046e656a9eaff69a0546bde891648
diff --git a/grpc/jfjoch.proto b/grpc/jfjoch.proto
index fedd6a6c..d5f0dc59 100644
--- a/grpc/jfjoch.proto
+++ b/grpc/jfjoch.proto
@@ -117,11 +117,16 @@ message DetectorSettings {
   bool conversion_on_cpu = 9;
 }
 
+message DetectorModuleGeometry {
+  int64 pixel0 = 1;
+  int64 fast_direction_step = 2;
+  int64 slow_direction_step = 3;
+}
+
 message DetectorGeometry {
   int64 width_pxl = 1;
   int64 height_pxl = 2;
-  repeated int64 pixel0_of_module = 3;
-  bool mirror_modules_in_y = 4;
+  repeated DetectorModuleGeometry module_geometry = 3;
 }
 
 message InternalSettings {
@@ -130,9 +135,9 @@ message InternalSettings {
   int64 frame_time_us = 3;
   int64 count_time_us = 4;
 
-  repeated int64 data_stream_modules = 5;
-  DetectorGeometry geometry = 6;
-  DetectorGeometry raw_geometry = 7;
+  int64 nmodules = 5;
+  int64 ndatastreams = 6;
+
   DetectorGeometry conv_geometry = 8;
 
   bool internal_fpga_packet_generator = 9;
diff --git a/jungfrau/JFConversion.h b/jungfrau/JFConversion.h
index d240256a..ccccb057 100644
--- a/jungfrau/JFConversion.h
+++ b/jungfrau/JFConversion.h
@@ -22,7 +22,8 @@ public:
             ConvertPacket(dest + i * 4 * RAW_MODULE_COLS, source + i * 4 * RAW_MODULE_COLS, i);
     }
 
-    virtual void ConvertAdjustGeom(int16_t* dest, const uint16_t* source, int64_t line_shift) = 0;
+    virtual void ConvertAdjustGeom(int16_t* dest, const uint16_t* source, int64_t slow_dir_step,
+                                   int64_t fast_dir_step, int64_t offset) = 0;
 };
 
 #endif //JUNGFRAUJOCH_JFCONVERSION_H
diff --git a/jungfrau/JFConversionFixedPoint.cpp b/jungfrau/JFConversionFixedPoint.cpp
index 833ca0e5..4da70ce1 100644
--- a/jungfrau/JFConversionFixedPoint.cpp
+++ b/jungfrau/JFConversionFixedPoint.cpp
@@ -109,19 +109,20 @@ void JFConversionFixedPoint::ConvertPacket(int16_t *dest, const uint16_t *source
         ConvertLine(dest + i * RAW_MODULE_COLS, source + i * RAW_MODULE_COLS, 4 * packet_number + i);
 }
 
-void JFConversionFixedPoint::ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t line_shift) {
+void JFConversionFixedPoint::ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t slow_dir_step,
+                                               int64_t fast_dir_step, int64_t offset) {
     for (int line = 0; line < RAW_MODULE_LINES; line++) {
         int16_t tmp[RAW_MODULE_COLS];
         ConvertLine(tmp, source + line * RAW_MODULE_COLS, line);
 
         if ((line != 255) && (line != 256)) {
-            LineCopyAndAdjustMultipixel<int16_t, int16_t>(dest + line_shift * (line + ((line > 255) ? 2 : 0)),
-                                                          tmp, INT16_MIN, INT16_MAX);
+            LineCopyAndAdjustMultipixel<int16_t, int16_t>(dest + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                                          tmp, INT16_MIN, INT16_MAX, fast_dir_step, offset);
         } else {
-            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + line_shift * (line + 1),
-                                                      tmp, INT16_MIN, INT16_MAX);
-            memcpy(dest + line_shift * (line + ((line > 255) ? 2 : 0)),
-                   dest + line_shift * (line + 1),CONVERTED_MODULE_COLS*sizeof(uint16_t));
+            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + slow_dir_step * (line + 1),
+                                                      tmp, INT16_MIN, INT16_MAX, fast_dir_step, offset);
+            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                                                tmp, INT16_MIN, INT16_MAX, fast_dir_step, offset);
         }
     }
 }
diff --git a/jungfrau/JFConversionFixedPoint.h b/jungfrau/JFConversionFixedPoint.h
index fb43847c..c268e9a4 100644
--- a/jungfrau/JFConversionFixedPoint.h
+++ b/jungfrau/JFConversionFixedPoint.h
@@ -27,7 +27,8 @@ public:
                const JFModulePedestal &pedestal_g2,
                double energy) override;
     void ConvertPacket(int16_t* dest, const uint16_t* source, uint16_t packet_number) override;
-    void ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t line_shift) override;
+    void ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t slow_dir_step,
+                           int64_t fast_dir_step, int64_t offset) override;
 };
 
 
diff --git a/jungfrau/JFConversionFloatingPoint.cpp b/jungfrau/JFConversionFloatingPoint.cpp
index c443b4f6..ced82014 100644
--- a/jungfrau/JFConversionFloatingPoint.cpp
+++ b/jungfrau/JFConversionFloatingPoint.cpp
@@ -76,18 +76,22 @@ void JFConversionFloatingPoint::ConvertFP(float *dest, const uint16_t *source) {
     }
 }
 
-void JFConversionFloatingPoint::ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t line_shift) {
+void JFConversionFloatingPoint::ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t slow_dir_step,
+                                                  int64_t fast_dir_step, int64_t offset) {
     for (int line = 0; line < RAW_MODULE_LINES; line++) {
         int16_t tmp[RAW_MODULE_COLS];
         ConvertLine(tmp, source + line * RAW_MODULE_COLS, line);
 
         if ((line != 255) && (line != 256)) {
-            LineCopyAndAdjustMultipixel<int16_t, int16_t>(dest + line_shift * (line + ((line > 255) ? 2 : 0)),
-                                                          tmp, INT16_MIN, INT16_MAX);
+            LineCopyAndAdjustMultipixel<int16_t, int16_t>(dest + slow_dir_step * (line + ((line > 255) ? 2 : 0)),
+                                                          tmp, INT16_MIN, INT16_MAX, fast_dir_step, offset);
         } else {
-            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + line_shift * (line + 1), tmp, INT16_MIN, INT16_MAX);
-            memcpy(dest + line_shift * (line + ((line > 255) ? 2 : 0)),
-                   dest + line_shift * (line + 1), CONVERTED_MODULE_COLS*sizeof(uint16_t));
+            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + slow_dir_step * (line + 1), tmp,
+                                                                INT16_MIN, INT16_MAX,
+                                                                fast_dir_step, offset);
+            LineCopyAndAdjustMultipixelMidRow<int16_t, int16_t>(dest + slow_dir_step * ((line > 255) ? 2 : 0), tmp,
+                                                                INT16_MIN, INT16_MAX,
+                                                                fast_dir_step, offset);
         }
     }
 }
diff --git a/jungfrau/JFConversionFloatingPoint.h b/jungfrau/JFConversionFloatingPoint.h
index 1fb7aed7..d74795be 100644
--- a/jungfrau/JFConversionFloatingPoint.h
+++ b/jungfrau/JFConversionFloatingPoint.h
@@ -25,7 +25,8 @@ public:
                double energy) override;
     void ConvertPacket(int16_t* dest, const uint16_t* source, uint16_t packet_number) override;
     void ConvertFP(float *dest, const uint16_t *source);
-    void ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t line_shift) override;
+    void ConvertAdjustGeom(int16_t *dest, const uint16_t *source, int64_t slow_dir_step,
+                           int64_t fast_dir_step, int64_t offset) override;
 };
 
 
diff --git a/python/jfjoch_pb2.py b/python/jfjoch_pb2.py
index a251e14f..566dc4dd 100644
--- a/python/jfjoch_pb2.py
+++ b/python/jfjoch_pb2.py
@@ -13,7 +13,7 @@ _sym_db = _symbol_database.Default()
 
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n\x0cjfjoch.proto\x12\x0eJFJochProtoBuf\"\x07\n\x05\x45mpty\"W\n\x08UnitCell\x12\t\n\x01\x61\x18\x01 \x01(\x02\x12\t\n\x01\x62\x18\x02 \x01(\x02\x12\t\n\x01\x63\x18\x03 \x01(\x02\x12\r\n\x05\x61lpha\x18\x04 \x01(\x02\x12\x0c\n\x04\x62\x65ta\x18\x05 \x01(\x02\x12\r\n\x05gamma\x18\x06 \x01(\x02\")\n\x06Vector\x12\t\n\x01x\x18\x01 \x01(\x02\x12\t\n\x01y\x18\x02 \x01(\x02\x12\t\n\x01z\x18\x03 \x01(\x02\"|\n\x10RotationSettings\x12\x17\n\x0fstart_angle_deg\x18\x01 \x01(\x02\x12 \n\x18\x61ngle_incr_per_image_deg\x18\x02 \x01(\x02\x12-\n\rrotation_axis\x18\x03 \x01(\x0b\x32\x16.JFJochProtoBuf.Vector\"\x1c\n\x04Plot\x12\t\n\x01x\x18\x01 \x03(\x02\x12\t\n\x01y\x18\x02 \x03(\x02\"\xa5\x04\n\x0f\x44\x61tasetSettings\x12\x1a\n\x12images_per_trigger\x18\x01 \x01(\x03\x12\x10\n\x08ntrigger\x18\x02 \x01(\x03\x12\x13\n\tsummation\x18\x03 \x01(\x03H\x00\x12\x17\n\rimage_time_us\x18\x04 \x01(\x03H\x00\x12\x12\n\nbeam_x_pxl\x18\x05 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.JFJochProtoBuf.DetectorSettings\x1a\x15.JFJochProtoBuf.Empty\"\x00\x12Z\n\x18GetMeasurementStatistics\x12\x15.JFJochProtoBuf.Empty\x1a%.JFJochProtoBuf.MeasurementStatistics\"\x00\x12\\\n\x19GetDataProcessingSettings\x12\x15.JFJochProtoBuf.Empty\x1a&.JFJochProtoBuf.DataProcessingSettings\"\x00\x12\\\n\x19PutDataProcessingSettings\x12&.JFJochProtoBuf.DataProcessingSettings\x1a\x15.JFJochProtoBuf.Empty\"\x00\x12P\n\x08GetPlots\x12\x15.JFJochProtoBuf.Empty\x1a+.JFJochProtoBuf.ReceiverDataProcessingPlots\"\x00\x12\x43\n\nGetPreview\x12\x15.JFJochProtoBuf.Empty\x1a\x1c.JFJochProtoBuf.PreviewFrame\"\x00\x12?\n\rGetPedestalG0\x12\x15.JFJochProtoBuf.Empty\x1a\x15.JFJochProtoBuf.Image\"\x00\x12?\n\rGetPedestalG1\x12\x15.JFJochProtoBuf.Empty\x1a\x15.JFJochProtoBuf.Image\"\x00\x12?\n\rGetPedestalG2\x12\x15.JFJochProtoBuf.Empty\x1a\x15.JFJochProtoBuf.Image\"\x00\x12\x39\n\x07GetMask\x12\x15.JFJochProtoBuf.Empty\x1a\x15.JFJochProtoBuf.Image\"\x00\x62\x06proto3')
 
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, globals())
 _builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'jfjoch_pb2', globals())
@@ -22,16 +22,16 @@ if _descriptor._USE_C_DESCRIPTORS == False:
   DESCRIPTOR._options = None
   _FPGASTATUS_FIFOSTATUSENTRY._options = None
   _FPGASTATUS_FIFOSTATUSENTRY._serialized_options = b'8\001'
-  _COMPRESSION._serialized_start=8087
-  _COMPRESSION._serialized_end=8171
-  _DETECTORTYPE._serialized_start=8173
-  _DETECTORTYPE._serialized_end=8212
-  _DETECTORMODE._serialized_start=8214
-  _DETECTORMODE._serialized_end=8304
-  _FPGAFIFOSTATUS._serialized_start=8306
-  _FPGAFIFOSTATUS._serialized_end=8356
-  _STATE._serialized_start=8358
-  _STATE._serialized_end=8452
+  _COMPRESSION._serialized_start=8100
+  _COMPRESSION._serialized_end=8184
+  _DETECTORTYPE._serialized_start=8186
+  _DETECTORTYPE._serialized_end=8225
+  _DETECTORMODE._serialized_start=8227
+  _DETECTORMODE._serialized_end=8317
+  _FPGAFIFOSTATUS._serialized_start=8319
+  _FPGAFIFOSTATUS._serialized_end=8369
+  _STATE._serialized_start=8371
+  _STATE._serialized_end=8465
   _EMPTY._serialized_start=32
   _EMPTY._serialized_end=39
   _UNITCELL._serialized_start=41
@@ -46,74 +46,76 @@ if _descriptor._USE_C_DESCRIPTORS == False:
   _DATASETSETTINGS._serialized_end=879
   _DETECTORSETTINGS._serialized_start=882
   _DETECTORSETTINGS._serialized_end=1256
-  _DETECTORGEOMETRY._serialized_start=1258
-  _DETECTORGEOMETRY._serialized_end=1370
-  _INTERNALSETTINGS._serialized_start=1373
-  _INTERNALSETTINGS._serialized_end=2330
-  _JUNGFRAUJOCHSETTINGS._serialized_start=2332
-  _JUNGFRAUJOCHSETTINGS._serialized_end=2456
-  _JFPEDESTAL._serialized_start=2458
-  _JFPEDESTAL._serialized_end=2488
-  _JFGAINCALIBRATION._serialized_start=2490
-  _JFGAINCALIBRATION._serialized_end=2535
-  _JFCALIBRATION._serialized_start=2538
-  _JFCALIBRATION._serialized_end=2716
-  _JFCALIBRATIONSTATISTICS._serialized_start=2718
-  _JFCALIBRATIONSTATISTICS._serialized_end=2804
-  _ACQUISITIONDEVICESTATISTICS._serialized_start=2807
-  _ACQUISITIONDEVICESTATISTICS._serialized_end=3288
-  _RECEIVERINPUT._serialized_start=3291
-  _RECEIVERINPUT._serialized_end=3427
-  _RECEIVEROUTPUT._serialized_start=3430
-  _RECEIVEROUTPUT._serialized_end=3856
-  _RECEIVERNETWORKCONFIG._serialized_start=3858
-  _RECEIVERNETWORKCONFIG._serialized_end=3904
-  _RECEIVERSTATUS._serialized_start=3907
-  _RECEIVERSTATUS._serialized_end=4054
-  _RECEIVERDATAPROCESSINGPLOTS._serialized_start=4057
-  _RECEIVERDATAPROCESSINGPLOTS._serialized_end=4267
-  _WRITERINPUT._serialized_start=4269
-  _WRITERINPUT._serialized_end=4331
-  _WRITEROUTPUT._serialized_start=4333
-  _WRITEROUTPUT._serialized_end=4413
-  _DETECTORMODULECONFIG._serialized_start=4416
-  _DETECTORMODULECONFIG._serialized_end=4640
-  _DETECTORCONFIG._serialized_start=4642
-  _DETECTORCONFIG._serialized_end=4713
-  _DETECTORINPUT._serialized_start=4716
-  _DETECTORINPUT._serialized_end=4965
-  _DETECTOROUTPUT._serialized_start=4967
-  _DETECTOROUTPUT._serialized_end=4983
-  _DETECTORSTATUS._serialized_start=4985
-  _DETECTORSTATUS._serialized_end=5083
-  _FPGASTATUS._serialized_start=5086
-  _FPGASTATUS._serialized_end=6156
-  _FPGASTATUS_FIFOSTATUSENTRY._serialized_start=6075
-  _FPGASTATUS_FIFOSTATUSENTRY._serialized_end=6156
-  _INDEXERDATAPROCESSINGPLOTS._serialized_start=6158
-  _INDEXERDATAPROCESSINGPLOTS._serialized_end=6231
-  _DATAPROCESSINGSETTINGS._serialized_start=6234
-  _DATAPROCESSINGSETTINGS._serialized_end=6628
-  _PREVIEWFRAME._serialized_start=6631
-  _PREVIEWFRAME._serialized_end=6900
-  _MODULESTATISTICS._serialized_start=6903
-  _MODULESTATISTICS._serialized_end=7140
-  _IMAGE._serialized_start=7142
-  _IMAGE._serialized_end=7215
-  _MASKTOLOAD._serialized_start=7217
-  _MASKTOLOAD._serialized_end=7263
-  _MEASUREMENTSTATISTICS._serialized_start=7266
-  _MEASUREMENTSTATISTICS._serialized_end=7774
-  _BROKERSTATUS._serialized_start=7777
-  _BROKERSTATUS._serialized_end=7918
-  _BROKERFULLSTATUS._serialized_start=7921
-  _BROKERFULLSTATUS._serialized_end=8085
-  _GRPC_JFJOCHRECEIVER._serialized_start=8455
-  _GRPC_JFJOCHRECEIVER._serialized_end=9139
-  _GRPC_JFJOCHWRITER._serialized_start=9142
-  _GRPC_JFJOCHWRITER._serialized_end=9344
-  _GRPC_JFJOCHDETECTOR._serialized_start=9347
-  _GRPC_JFJOCHDETECTOR._serialized_end=9733
-  _GRPC_JFJOCHBROKER._serialized_start=9736
-  _GRPC_JFJOCHBROKER._serialized_end=11190
+  _DETECTORMODULEGEOMETRY._serialized_start=1258
+  _DETECTORMODULEGEOMETRY._serialized_end=1356
+  _DETECTORGEOMETRY._serialized_start=1358
+  _DETECTORGEOMETRY._serialized_end=1480
+  _INTERNALSETTINGS._serialized_start=1483
+  _INTERNALSETTINGS._serialized_end=2343
+  _JUNGFRAUJOCHSETTINGS._serialized_start=2345
+  _JUNGFRAUJOCHSETTINGS._serialized_end=2469
+  _JFPEDESTAL._serialized_start=2471
+  _JFPEDESTAL._serialized_end=2501
+  _JFGAINCALIBRATION._serialized_start=2503
+  _JFGAINCALIBRATION._serialized_end=2548
+  _JFCALIBRATION._serialized_start=2551
+  _JFCALIBRATION._serialized_end=2729
+  _JFCALIBRATIONSTATISTICS._serialized_start=2731
+  _JFCALIBRATIONSTATISTICS._serialized_end=2817
+  _ACQUISITIONDEVICESTATISTICS._serialized_start=2820
+  _ACQUISITIONDEVICESTATISTICS._serialized_end=3301
+  _RECEIVERINPUT._serialized_start=3304
+  _RECEIVERINPUT._serialized_end=3440
+  _RECEIVEROUTPUT._serialized_start=3443
+  _RECEIVEROUTPUT._serialized_end=3869
+  _RECEIVERNETWORKCONFIG._serialized_start=3871
+  _RECEIVERNETWORKCONFIG._serialized_end=3917
+  _RECEIVERSTATUS._serialized_start=3920
+  _RECEIVERSTATUS._serialized_end=4067
+  _RECEIVERDATAPROCESSINGPLOTS._serialized_start=4070
+  _RECEIVERDATAPROCESSINGPLOTS._serialized_end=4280
+  _WRITERINPUT._serialized_start=4282
+  _WRITERINPUT._serialized_end=4344
+  _WRITEROUTPUT._serialized_start=4346
+  _WRITEROUTPUT._serialized_end=4426
+  _DETECTORMODULECONFIG._serialized_start=4429
+  _DETECTORMODULECONFIG._serialized_end=4653
+  _DETECTORCONFIG._serialized_start=4655
+  _DETECTORCONFIG._serialized_end=4726
+  _DETECTORINPUT._serialized_start=4729
+  _DETECTORINPUT._serialized_end=4978
+  _DETECTOROUTPUT._serialized_start=4980
+  _DETECTOROUTPUT._serialized_end=4996
+  _DETECTORSTATUS._serialized_start=4998
+  _DETECTORSTATUS._serialized_end=5096
+  _FPGASTATUS._serialized_start=5099
+  _FPGASTATUS._serialized_end=6169
+  _FPGASTATUS_FIFOSTATUSENTRY._serialized_start=6088
+  _FPGASTATUS_FIFOSTATUSENTRY._serialized_end=6169
+  _INDEXERDATAPROCESSINGPLOTS._serialized_start=6171
+  _INDEXERDATAPROCESSINGPLOTS._serialized_end=6244
+  _DATAPROCESSINGSETTINGS._serialized_start=6247
+  _DATAPROCESSINGSETTINGS._serialized_end=6641
+  _PREVIEWFRAME._serialized_start=6644
+  _PREVIEWFRAME._serialized_end=6913
+  _MODULESTATISTICS._serialized_start=6916
+  _MODULESTATISTICS._serialized_end=7153
+  _IMAGE._serialized_start=7155
+  _IMAGE._serialized_end=7228
+  _MASKTOLOAD._serialized_start=7230
+  _MASKTOLOAD._serialized_end=7276
+  _MEASUREMENTSTATISTICS._serialized_start=7279
+  _MEASUREMENTSTATISTICS._serialized_end=7787
+  _BROKERSTATUS._serialized_start=7790
+  _BROKERSTATUS._serialized_end=7931
+  _BROKERFULLSTATUS._serialized_start=7934
+  _BROKERFULLSTATUS._serialized_end=8098
+  _GRPC_JFJOCHRECEIVER._serialized_start=8468
+  _GRPC_JFJOCHRECEIVER._serialized_end=9152
+  _GRPC_JFJOCHWRITER._serialized_start=9155
+  _GRPC_JFJOCHWRITER._serialized_end=9357
+  _GRPC_JFJOCHDETECTOR._serialized_start=9360
+  _GRPC_JFJOCHDETECTOR._serialized_end=9746
+  _GRPC_JFJOCHBROKER._serialized_start=9749
+  _GRPC_JFJOCHBROKER._serialized_end=11203
 # @@protoc_insertion_point(module_scope)
diff --git a/receiver/JFJochReceiver.cpp b/receiver/JFJochReceiver.cpp
index 965aba6c..68fbf538 100644
--- a/receiver/JFJochReceiver.cpp
+++ b/receiver/JFJochReceiver.cpp
@@ -337,9 +337,9 @@ int64_t JFJochReceiver::FrameTransformationThread() {
 
                         if (experiment.GetConversionOnCPU()) {
                             auto &conv = fixed_point_conversion.at(experiment.GetFirstModuleOfDataStream(d) + m);
-                            transformation.ProcessModule(conv,src, frame_number, m, d);
+                            transformation.ProcessModule(conv, src, m, d);
                         } else
-                            transformation.ProcessModule(src, frame_number, m, d);
+                            transformation.ProcessModule(src, m, d);
 
                         acquisition_device[d]->FrameBufferRelease(frame_number, m);
                     }
diff --git a/tests/AcquisitionCountersTest.cpp b/tests/AcquisitionCountersTest.cpp
index f4b4f372..0428ce0c 100644
--- a/tests/AcquisitionCountersTest.cpp
+++ b/tests/AcquisitionCountersTest.cpp
@@ -5,7 +5,7 @@
 #include "../receiver/host/AcquisitionOnlineCounters.h"
 
 TEST_CASE("AcquisitionDeviceCountersTest","[AcquisitionDeviceCounters]") {
-    DiffractionExperiment x(1,{2});
+    DiffractionExperiment x(DetectorGeometry(2));
     x.NumTriggers(1).ImagesPerTrigger(50);
 
     AcquisitionOnlineCounters counters;
@@ -59,7 +59,7 @@ TEST_CASE("AcquisitionDeviceCountersTest","[AcquisitionDeviceCounters]") {
 }
 
 TEST_CASE("AcquisitionDeviceCountersTest_OutOfBounds","[AcquisitionDeviceCounters]") {
-    DiffractionExperiment x(1,{2});
+    DiffractionExperiment x(DetectorGeometry(2));
     x.NumTriggers(1).ImagesPerTrigger(50);
 
     AcquisitionOnlineCounters counters;
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 55cc893e..8bad1b64 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -24,7 +24,7 @@ ADD_EXECUTABLE(CatchTest
         JFCalibrationTest.cpp
         RadialIntegrationTest.cpp
         StatusVectorTest.cpp ProcessRawPacketTest.cpp
-        CBORTest.cpp JFConversionTest.cpp)
+        CBORTest.cpp JFConversionTest.cpp DetectorGeometryTest.cpp)
 
 target_link_libraries(CatchTest JFJochBroker JFJochReceiver JFJochWriter ImageAnalysis CommonFunctions HLSSimulation)
 target_include_directories(CatchTest PRIVATE .)
diff --git a/tests/DetectorGeometryTest.cpp b/tests/DetectorGeometryTest.cpp
new file mode 100644
index 00000000..d3ff8981
--- /dev/null
+++ b/tests/DetectorGeometryTest.cpp
@@ -0,0 +1,161 @@
+// Copyright (2019-2022) Paul Scherrer Institute
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include <catch2/catch.hpp>
+#include "../common/DetectorGeometry.h"
+
+TEST_CASE("DetectorGeometry_Regular", "[DetectorGeometry]") {
+    DetectorGeometry geometry(18, 3, 8, 36, false);
+
+    const JFJochProtoBuf::DetectorGeometry pbuf = geometry;
+    REQUIRE(pbuf.module_geometry_size() == 18);
+
+    REQUIRE(pbuf.width_pxl() == 3 * 1030 + 2 * 8);
+    REQUIRE(pbuf.height_pxl() == 6 * 514 + 5 * 36);
+    REQUIRE(pbuf.module_geometry(0).pixel0() == 0);
+    REQUIRE(pbuf.module_geometry(2).pixel0() == 2 * 1030 + 2 * 8);
+
+    REQUIRE(pbuf.module_geometry(15).pixel0() == pbuf.width_pxl() * (514 * 5 + 36 * 5));
+    REQUIRE(pbuf.module_geometry(15).fast_direction_step() == 1);
+    REQUIRE(pbuf.module_geometry(15).slow_direction_step() == pbuf.width_pxl());
+}
+
+TEST_CASE("DetectorGeometry_RegularMirror", "[DetectorGeometry]") {
+    DetectorGeometry geometry(18, 3, 8, 36, true);
+
+    const JFJochProtoBuf::DetectorGeometry pbuf = geometry;
+    REQUIRE(pbuf.module_geometry_size() == 18);
+
+    REQUIRE(pbuf.width_pxl() == 3 * 1030 + 2 * 8);
+    REQUIRE(pbuf.height_pxl() == 6 * 514 + 5 * 36);
+    REQUIRE(pbuf.module_geometry(0).pixel0() == pbuf.width_pxl() * (pbuf.height_pxl() - 1));
+    REQUIRE(pbuf.module_geometry(2).pixel0() == pbuf.width_pxl() * (pbuf.height_pxl() - 1) + 2 * 1030 + 2 * 8);
+
+    CHECK(pbuf.module_geometry(15).pixel0() == pbuf.width_pxl() * 513);
+    CHECK(pbuf.module_geometry(17).pixel0() == pbuf.width_pxl() * (513) + 2 * 1030 + 2 * 8);
+    REQUIRE(pbuf.module_geometry(15).fast_direction_step() == 1);
+    REQUIRE(pbuf.module_geometry(15).slow_direction_step() == -pbuf.width_pxl());
+}
+
+TEST_CASE("DetectorModuleGeometry_SameAxis", "[DetectorGeometry]") {
+    std::unique_ptr<DetectorModuleGeometry> geometry;
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(0,0,
+                                                                       DetectorModuleGeometry::Direction::Xpos,
+                                                                       DetectorModuleGeometry::Direction::Xpos));
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(0,0,
+                                                                       DetectorModuleGeometry::Direction::Ypos,
+                                                                       DetectorModuleGeometry::Direction::Ypos));
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(2000,2000,
+                                                                       DetectorModuleGeometry::Direction::Yneg,
+                                                                       DetectorModuleGeometry::Direction::Ypos));
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(2000,2000,
+                                                                       DetectorModuleGeometry::Direction::Xpos,
+                                                                       DetectorModuleGeometry::Direction::Xneg));
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(2000,2000,
+                                                                       DetectorModuleGeometry::Direction::Xneg,
+                                                                       DetectorModuleGeometry::Direction::Ypos));
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(0,0,
+                                                                        DetectorModuleGeometry::Direction::Ypos,
+                                                                        DetectorModuleGeometry::Direction::Xpos));
+}
+
+
+TEST_CASE("DetectorModuleGeometry_NoSpace", "[DetectorGeometry]") {
+    std::unique_ptr<DetectorModuleGeometry> geometry;
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(1022,0,
+                                                                       DetectorModuleGeometry::Direction::Xneg,
+                                                                       DetectorModuleGeometry::Direction::Ypos));
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(1022,512,
+                                                                       DetectorModuleGeometry::Direction::Xpos,
+                                                                       DetectorModuleGeometry::Direction::Yneg));
+
+    REQUIRE_THROWS(geometry = std::make_unique<DetectorModuleGeometry>(1029,513,
+                                                                        DetectorModuleGeometry::Direction::Yneg,
+                                                                        DetectorModuleGeometry::Direction::Xneg));
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(1029,513,
+                                                                       DetectorModuleGeometry::Direction::Xneg,
+                                                                       DetectorModuleGeometry::Direction::Yneg));
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(513,1029,
+                                                                        DetectorModuleGeometry::Direction::Yneg,
+                                                                        DetectorModuleGeometry::Direction::Xneg));
+}
+
+TEST_CASE("DetectorModuleGeometry_GetMaxX_GetMaxY", "[DetectorGeometry]") {
+    std::unique_ptr<DetectorModuleGeometry> geometry;
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(0,0,
+                                                                       DetectorModuleGeometry::Direction::Xpos,
+                                                                       DetectorModuleGeometry::Direction::Ypos));
+
+    REQUIRE(geometry->GetMaxX() == 1029);
+    REQUIRE(geometry->GetMaxY() == 513);
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(2029,1513,
+                                                                        DetectorModuleGeometry::Direction::Xneg,
+                                                                        DetectorModuleGeometry::Direction::Yneg));
+
+    REQUIRE(geometry->GetMaxX() == 2029);
+    REQUIRE(geometry->GetMaxY() == 1513);
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(2029,1513,
+                                                                        DetectorModuleGeometry::Direction::Yneg,
+                                                                        DetectorModuleGeometry::Direction::Xneg));
+
+    REQUIRE(geometry->GetMaxX() == 2029);
+    REQUIRE(geometry->GetMaxY() == 1513);
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(2029,1513,
+                                                                        DetectorModuleGeometry::Direction::Yneg,
+                                                                        DetectorModuleGeometry::Direction::Xpos));
+
+    REQUIRE(geometry->GetMaxX() == 2029 + 513);
+    REQUIRE(geometry->GetMaxY() == 1513);
+
+    REQUIRE_NOTHROW(geometry = std::make_unique<DetectorModuleGeometry>(2029,1513,
+                                                                        DetectorModuleGeometry::Direction::Ypos,
+                                                                        DetectorModuleGeometry::Direction::Xneg));
+
+    REQUIRE(geometry->GetMaxX() == 2029);
+    REQUIRE(geometry->GetMaxY() == 1513 + 1029);
+}
+
+TEST_CASE("DetectorGeometry_Custom", "[DetectorGeometry]") {
+    std::vector<DetectorModuleGeometry> module_geom;
+
+    REQUIRE_NOTHROW(module_geom.emplace_back(2999, 2999, DetectorModuleGeometry::Direction::Xneg,
+                             DetectorModuleGeometry::Direction::Yneg));
+
+    REQUIRE_NOTHROW(module_geom.emplace_back(0, 0, DetectorModuleGeometry::Direction::Ypos,
+                             DetectorModuleGeometry::Direction::Xpos));
+
+    REQUIRE_NOTHROW(module_geom.emplace_back(5000, 0, DetectorModuleGeometry::Direction::Ypos,
+                             DetectorModuleGeometry::Direction::Xpos));
+
+    DetectorGeometry geometry(module_geom);
+
+    REQUIRE(geometry.GetModulesNum() == 3);
+    JFJochProtoBuf::DetectorGeometry pbuf_geom = geometry;
+
+    CHECK(pbuf_geom.height_pxl() == 2999+1);
+    CHECK(pbuf_geom.width_pxl() == 5513+1);
+    CHECK(pbuf_geom.module_geometry(0).pixel0() == 2999 * pbuf_geom.width_pxl() + 2999);
+    CHECK(pbuf_geom.module_geometry(1).pixel0() == 0);
+    CHECK(pbuf_geom.module_geometry(2).pixel0() == 5000);
+
+    CHECK(pbuf_geom.module_geometry(0).fast_direction_step() == -1);
+    CHECK(pbuf_geom.module_geometry(1).fast_direction_step() == pbuf_geom.width_pxl());
+    CHECK(pbuf_geom.module_geometry(2).fast_direction_step() == pbuf_geom.width_pxl());
+
+    CHECK(pbuf_geom.module_geometry(0).slow_direction_step() == -pbuf_geom.width_pxl());
+    CHECK(pbuf_geom.module_geometry(1).slow_direction_step() == 1);
+    CHECK(pbuf_geom.module_geometry(2).slow_direction_step() == 1);
+}
\ No newline at end of file
diff --git a/tests/DiffractionExperimentTest.cpp b/tests/DiffractionExperimentTest.cpp
index 9111ecc4..0590044b 100644
--- a/tests/DiffractionExperimentTest.cpp
+++ b/tests/DiffractionExperimentTest.cpp
@@ -172,10 +172,11 @@ TEST_CASE("DiffractionExperiment_UnitCell","[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_IPv4Address","[DiffractionExperiment]") {
-    DiffractionExperiment x(1, {4, 4, 4});
+    DiffractionExperiment x(DetectorGeometry(12));
     x.Mode(DetectorMode::Conversion);
 
     uint32_t ndatastreams = 3;
+    x.DataStreams(ndatastreams);
 
     REQUIRE(x.GetDestIPv4Address(0) == 0x0132010a);
     REQUIRE(x.GetDestIPv4Address(1) == 0x0232010a);
@@ -226,8 +227,8 @@ TEST_CASE("MacAddressFromStr","") {
 }
 
 TEST_CASE("DiffractionExperiment_UDPAddress","[DiffractionExperiment]") {
-    DiffractionExperiment x(1, {4, 4, 4});
-    x.Mode(DetectorMode::Conversion);
+    DiffractionExperiment x(DetectorGeometry(12));
+    x.Mode(DetectorMode::Conversion).DataStreams(3);
 
     REQUIRE(x.GetDestUDPPort(0, 0) % 64 == 0);
     REQUIRE(x.GetDestUDPPort(0, 2) % 64 == 0);
@@ -251,85 +252,124 @@ TEST_CASE("DiffractionExperiment_UDPAddress","[DiffractionExperiment]") {
 
 }
 
+TEST_CASE("DiffractionExperiment_DataStreams","[DiffractionExperiment]") {
+    DiffractionExperiment x(DetectorGeometry(18)); // 9M
+
+    x.DataStreams(4);
+    REQUIRE(x.GetModulesNum() == 18);
+    REQUIRE(x.GetDataStreamsNum() == 4);
+
+    REQUIRE(x.GetModulesNum(0) == 5);
+    REQUIRE(x.GetModulesNum(1) == 5);
+    REQUIRE(x.GetModulesNum(2) == 4);
+    REQUIRE(x.GetModulesNum(3) == 4);
+    REQUIRE_THROWS(x.GetModulesNum(4));
+
+    x.DataStreams(2);
+    REQUIRE(x.GetModulesNum() == 18);
+    REQUIRE(x.GetDataStreamsNum() == 2);
+
+    REQUIRE(x.GetModulesNum(0) == 9);
+    REQUIRE(x.GetModulesNum(1) == 9);
+    REQUIRE_THROWS(x.GetModulesNum(2));
+
+    x = DiffractionExperiment(DetectorGeometry(2));
+
+    x.DataStreams(2);
+    REQUIRE(x.GetModulesNum() == 2);
+    REQUIRE(x.GetDataStreamsNum() == 2);
+
+    REQUIRE(x.GetModulesNum(0) == 1);
+    REQUIRE(x.GetModulesNum(1) == 1);
+
+    x.DataStreams(5);
+    REQUIRE(x.GetModulesNum() == 2);
+    REQUIRE(x.GetDataStreamsNum() == 2);
+
+    REQUIRE(x.GetModulesNum(0) == 1);
+    REQUIRE(x.GetModulesNum(1) == 1);
+}
+
 TEST_CASE("DiffractionExperiment_DetectorGeometry","[DiffractionExperiment]") {
-    DiffractionExperiment x(1, {4, 4, 6, 6}); // 10M configuration #1 - via constructor
+    DiffractionExperiment x(DetectorGeometry(18)); // 9M configuration #1 - via constructor
 
     x.Mode(DetectorMode::Conversion);
+    x.DataStreams(4);
 
     REQUIRE(x.GetDataStreamsNum() == 4);
 
     REQUIRE(x.GetXPixelsNum() == 1030);
-    REQUIRE(x.GetYPixelsNum() == 514 * 20);
+    REQUIRE(x.GetYPixelsNum() == 514 * 18);
 
-    REQUIRE(x.GetModulesNum() == 20);
-    REQUIRE(x.GetModulesNum(TASK_NO_DATA_STREAM) == 20);
-    REQUIRE(x.GetModulesNum(0) == 4);
-    REQUIRE(x.GetModulesNum(2) == 6);
+    REQUIRE(x.GetModulesNum() == 18);
+    REQUIRE(x.GetModulesNum(TASK_NO_DATA_STREAM) == 18);
+    REQUIRE(x.GetModulesNum(0) == 5);
+    REQUIRE(x.GetModulesNum(2) == 4);
 
-    REQUIRE(x.GetFirstModuleOfDataStream(TASK_NO_DATA_STREAM) == 0);
     REQUIRE(x.GetFirstModuleOfDataStream(0) == 0);
-    REQUIRE(x.GetFirstModuleOfDataStream(1) == 4);
-    REQUIRE(x.GetFirstModuleOfDataStream(2) == 8);
+    REQUIRE(x.GetFirstModuleOfDataStream(1) == 5);
+    REQUIRE(x.GetFirstModuleOfDataStream(2) == 10);
     REQUIRE(x.GetFirstModuleOfDataStream(3) == 14);
 
-    REQUIRE(x.GetPixelsNum() == 20 * 514 * 1030);
+    REQUIRE(x.GetPixelsNum() == 18 * 514 * 1030);
 
     x.Mode(DetectorMode::Raw);
 
-    REQUIRE(x.GetPixelsNum() == 20 * 512 * 1024);
+    REQUIRE(x.GetPixelsNum() == 18 * 512 * 1024);
     REQUIRE(x.GetXPixelsNum() == 1024);
-    REQUIRE(x.GetYPixelsNum() == 512 * 20);
+    REQUIRE(x.GetYPixelsNum() == 512 * 18);
 
     x.Mode(DetectorMode::Conversion);
 
-    x = DiffractionExperiment(2, {4, 4, 6, 6}, 0, 0, true); // 10M configuration #2
+    x = DiffractionExperiment(DetectorGeometry(18, 2)); // 9M configuration #2
 
-    REQUIRE(x.GetPixelsNum() == 1030 * 514 * 20);
+    REQUIRE(x.GetPixelsNum() == 1030 * 514 * 18);
     REQUIRE(x.GetXPixelsNum() == 1030 * 2);
-    REQUIRE(x.GetYPixelsNum() == 514 * 20 / 2);
+    REQUIRE(x.GetYPixelsNum() == 514 * 18 / 2);
 
-    REQUIRE(x.GetPixel0OfModule(0) == 18 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
-    REQUIRE(x.GetPixel0OfModule(1) == 18 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
+    REQUIRE(x.GetPixel0OfModule(0) == 16 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
+    REQUIRE(x.GetPixel0OfModule(1) == 16 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
 
-    REQUIRE(x.GetPixel0OfModule(12) == 6 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
-    REQUIRE(x.GetPixel0OfModule(13) == 6 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
+    REQUIRE(x.GetPixel0OfModule(12) == 4 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
+    REQUIRE(x.GetPixel0OfModule(13) == 4 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
 
-    REQUIRE(x.GetPixel0OfModule(14) == 4 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
-    REQUIRE(x.GetPixel0OfModule(15) == 4 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
+    REQUIRE(x.GetPixel0OfModule(14) == 2 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
+    REQUIRE(x.GetPixel0OfModule(15) == 2 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
 
-    REQUIRE(x.GetPixel0OfModule(16) == 2 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
-    REQUIRE(x.GetPixel0OfModule(17) == 2 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
+    REQUIRE(x.GetPixel0OfModule(16) == 0 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
+    REQUIRE(x.GetPixel0OfModule(17) == 0 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
 
-    REQUIRE(x.GetPixel0OfModule(18) == 0 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2);
-    REQUIRE(x.GetPixel0OfModule(19) == 0 * CONVERTED_MODULE_SIZE + 513 * CONVERTED_MODULE_COLS * 2 + CONVERTED_MODULE_COLS);
-    REQUIRE_THROWS(x.GetPixel0OfModule(20));
+    REQUIRE_THROWS(x.GetPixel0OfModule(18));
 
     x.Mode(DetectorMode::Raw);
 
-    REQUIRE(x.GetPixelsNum() == 1024 * 512 * 20);
+    REQUIRE(x.GetPixelsNum() == 1024 * 512 * 18);
     REQUIRE(x.GetXPixelsNum() == 1024);
-    REQUIRE(x.GetYPixelsNum() == 512 * 20);
+    REQUIRE(x.GetYPixelsNum() == 512 * 18);
+    REQUIRE(x.GetPixel0OfModule(15) == 15 * RAW_MODULE_SIZE);
+
 }
 
 TEST_CASE("DiffractionExperiment_DetectorGeometry_gaps","[DiffractionExperiment]") {
     const size_t gap_x = 8;
     const size_t gap_y = 36;
 
-    DiffractionExperiment x(2, {4, 4, 6, 6}, gap_x,gap_y, false);
+    DiffractionExperiment x(DetectorGeometry(18, 2, gap_x, gap_y, false));
     x.Mode(DetectorMode::Conversion);
+    x.DataStreams(4);
 
     REQUIRE(x.GetDataStreamsNum() == 4);
-    REQUIRE(x.GetPixelsNum() == (1030 * 2 + gap_x) * (514 * 10 + (10-1) * gap_y) );
-    REQUIRE(x.GetXPixelsNum() == 1030 * 2 +gap_x);
-    REQUIRE(x.GetYPixelsNum() == 514 * 10 + (10-1) * gap_y);
+    REQUIRE(x.GetPixelsNum() == (1030 * 2 + gap_x) * (514 * 9 + (9-1) * gap_y) );
+    REQUIRE(x.GetXPixelsNum() == 1030 * 2 + gap_x);
+    REQUIRE(x.GetYPixelsNum() == 514 * 9 + (9-1) * gap_y);
 
-    REQUIRE(x.GetModulesNum() == 20);
-    REQUIRE(x.GetModulesNum(0) == 4);
-    REQUIRE(x.GetModulesNum(2) == 6);
+    REQUIRE(x.GetModulesNum() == 18);
+    REQUIRE(x.GetModulesNum(0) == 5);
+    REQUIRE(x.GetModulesNum(2) == 4);
 
     REQUIRE(x.GetFirstModuleOfDataStream(0) == 0);
-    REQUIRE(x.GetFirstModuleOfDataStream(1) == 4);
-    REQUIRE(x.GetFirstModuleOfDataStream(2) == 8);
+    REQUIRE(x.GetFirstModuleOfDataStream(1) == 5);
+    REQUIRE(x.GetFirstModuleOfDataStream(2) == 10);
     REQUIRE(x.GetFirstModuleOfDataStream(3) == 14);
 
     REQUIRE(x.GetPixel0OfModule(0) == (2*1030 + gap_x) * (514 + gap_y) * (0/2));
@@ -340,16 +380,15 @@ TEST_CASE("DiffractionExperiment_DetectorGeometry_gaps","[DiffractionExperiment]
     REQUIRE(x.GetPixel0OfModule(0) == (2*1030 + gap_x) * 0 * (514 + gap_y));
     REQUIRE(x.GetPixel0OfModule(1) == (2*1030 + gap_x) * 0 * (514 + gap_y)  + 1030 + gap_x);
 
-    REQUIRE(x.GetPixel0OfModule(18) == (2*1030 + gap_x) * 9 * (514 + gap_y));
-    REQUIRE(x.GetPixel0OfModule(19) == (2*1030 + gap_x) * 9 * (514 + gap_y)  + 1030 + gap_x);
-
-
+    REQUIRE(x.GetPixel0OfModule(16) == (2*1030 + gap_x) * 8 * (514 + gap_y));
+    REQUIRE(x.GetPixel0OfModule(17) == (2*1030 + gap_x) * 8 * (514 + gap_y)  + 1030 + gap_x);
 }
+
 TEST_CASE("DiffractionExperiment_DetectorGeometry_gaps_mirror_y","[DiffractionExperiment]") {
     const size_t gap_x = 8;
     const size_t gap_y = 36;
 
-    DiffractionExperiment x(2, {4, 4, 6, 6}, gap_x,gap_y, true);
+    DiffractionExperiment x(DetectorGeometry(20, 2, gap_x, gap_y, true));
     x.Mode(DetectorMode::Conversion);
 
     REQUIRE(x.GetPixel0OfModule(0) == (2*1030+gap_x) * 513 + (2*1030 + gap_x) * 9 * (514 + gap_y));
@@ -502,7 +541,8 @@ TEST_CASE("DiffractionExperiment_FrameCountTime","[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_ExportProtobuf","[DiffractionExperiment]") {
-    DiffractionExperiment x(4, {4, 4, 8}, 0, 0, false),y;
+    DiffractionExperiment x(DetectorGeometry(16, 4, 0, 0, false)),y;
+    x.DataStreams(3);
 
     std::vector<DetectorMode> v = {DetectorMode::Raw, DetectorMode::Conversion,
                                    DetectorMode::PedestalG0, DetectorMode::PedestalG1, DetectorMode::PedestalG2};
@@ -517,8 +557,7 @@ TEST_CASE("DiffractionExperiment_ExportProtobuf","[DiffractionExperiment]") {
         JFJochProtoBuf::JungfraujochSettings settings_in_protobuf = x;
         REQUIRE_NOTHROW(y.Import(settings_in_protobuf));
 
-        REQUIRE(! y.IsUpsideDown());
-        REQUIRE(y.GetFilePrefix() == x.GetFilePrefix());
+         REQUIRE(y.GetFilePrefix() == x.GetFilePrefix());
         REQUIRE(x.GetDataStreamsNum() == y.GetDataStreamsNum());
         REQUIRE(x.GetXPixelsNum() == y.GetXPixelsNum());
         REQUIRE(x.GetModulesNum(2) == y.GetModulesNum(2));
@@ -577,7 +616,7 @@ TEST_CASE("DiffractionExperiment_CopyConstructor", "[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_ResToPxl","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(75).PhotonEnergy_keV(WVL_1A_IN_KEV);
 
     // sin(theta) = 1/2
@@ -592,7 +631,7 @@ TEST_CASE("DiffractionExperiment_ResToPxl","[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_RadialIntegration_LowQ","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     REQUIRE_THROWS(x.LowQForRadialInt_recipA(0));
     REQUIRE_THROWS(x.LowQForRadialInt_recipA(-1));
@@ -613,7 +652,7 @@ TEST_CASE("DiffractionExperiment_RadialIntegration_LowQ","[DiffractionExperiment
 
 
 TEST_CASE("DiffractionExperiment_RadialIntegration_HighQ","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     REQUIRE_THROWS(x.HighQForRadialInt_recipA(0));
     REQUIRE_THROWS(x.HighQForRadialInt_recipA(-1));
@@ -633,7 +672,7 @@ TEST_CASE("DiffractionExperiment_RadialIntegration_HighQ","[DiffractionExperimen
 }
 
 TEST_CASE("DiffractionExperiment_RadialIntegration_QSpacing","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     x.QSpacingForRadialInt_recipA(0.456);
     REQUIRE(x.GetQSpacingForRadialInt_recipA() == Approx(0.456));
@@ -643,7 +682,7 @@ TEST_CASE("DiffractionExperiment_RadialIntegration_QSpacing","[DiffractionExperi
 }
 
 TEST_CASE("DiffractionExperiment_IndexingPeriod","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(75).PhotonEnergy_keV(WVL_1A_IN_KEV);
     x.FrameTime(1ms).Summation(3);
     x.IndexingPeriod(9ms);
@@ -729,7 +768,7 @@ TEST_CASE("DiffractionExperiment_DetectorType","[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_DetectorInput_MultiTriggger","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.FrameTime(700us).Summation(1).ImagesPerTrigger(350).NumTriggers(7);
     JFJochProtoBuf::DetectorInput ret = x;
     REQUIRE(ret.modules_num() == 8);
@@ -742,7 +781,7 @@ TEST_CASE("DiffractionExperiment_DetectorInput_MultiTriggger","[DiffractionExper
 }
 
 TEST_CASE("DiffractionExperiment_DetectorInput_NoTriggger","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.FrameTime(1200us).Summation(1).ImagesPerTrigger(350).NumTriggers(1);
     JFJochProtoBuf::DetectorInput ret = x;
     REQUIRE(ret.modules_num() == 8);
@@ -755,7 +794,7 @@ TEST_CASE("DiffractionExperiment_DetectorInput_NoTriggger","[DiffractionExperime
 }
 
 TEST_CASE("DiffractionExperiment_DetectorInput_PedestalG2","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.FrameTime(1200us).Summation(1).PedestalG2Frames(4560).NumTriggers(1).Mode(DetectorMode::PedestalG2);
     JFJochProtoBuf::DetectorInput ret = x;
     REQUIRE(ret.modules_num() == 8);
@@ -767,7 +806,7 @@ TEST_CASE("DiffractionExperiment_DetectorInput_PedestalG2","[DiffractionExperime
 }
 
 TEST_CASE("DiffractionExperiment_DetectorInput_StorageCell","[DiffractionExperiment]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.FrameTime(1200us).Summation(1).NumTriggers(4560).StorageCells(8);
     JFJochProtoBuf::DetectorInput ret = x;
     REQUIRE(ret.modules_num() == 8);
@@ -958,7 +997,7 @@ TEST_CASE("DiffractionExperiment_ConversionOnCPU","[DiffractionExperiment]") {
 }
 
 TEST_CASE("DiffractionExperiment_Binning","[DiffractionExperiment]") {
-    DiffractionExperiment x(2,{4,4}, 8, 36, true);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36, true));
     x.Mode(DetectorMode::Conversion).BeamX_pxl(200.0).BeamY_pxl(400.0);
 
     REQUIRE(!x.GetBinning2x2());
@@ -966,6 +1005,10 @@ TEST_CASE("DiffractionExperiment_Binning","[DiffractionExperiment]") {
     REQUIRE(x.GetXPixelsNum() == 2068);
     REQUIRE(x.GetYPixelsNum() == 2164);
 
+    REQUIRE(x.GetXPixelsNumFullImage() == 2068);
+    REQUIRE(x.GetYPixelsNumFullImage() == 2164);
+    REQUIRE(x.GetPixelsNumFullImage() == 2164*2068);
+
     REQUIRE(x.GetBeamX_pxl() == Approx(200.0));
     REQUIRE(x.GetBeamY_pxl() == Approx(400.0));
     REQUIRE(x.GetPixel0OfModule(0) == (2164 - 1)*2068);
@@ -974,16 +1017,19 @@ TEST_CASE("DiffractionExperiment_Binning","[DiffractionExperiment]") {
     REQUIRE(x.GetBinning2x2());
     REQUIRE(x.GetPixelSize_mm() == Approx(2*PIXEL_SIZE_IN_MM));
 
+    REQUIRE(x.GetXPixelsNumFullImage() == 2068);
     REQUIRE(x.GetXPixelsNum() == 2068/2);
+    REQUIRE(x.GetYPixelsNumFullImage() == 2164);
     REQUIRE(x.GetYPixelsNum() == 2164/2);
+    REQUIRE(x.GetPixelsNumFullImage() == 2164*2068);
     REQUIRE(x.GetPixelsNum() == (2164/2)*(2068/2));
 
     REQUIRE(x.GetBeamX_pxl() == Approx(100.0));
     REQUIRE(x.GetBeamY_pxl() == Approx(200.0));
-    REQUIRE(x.GetPixel0OfModule(0) == ((2164 - 1)/2)*(2068/2));
-    REQUIRE(x.GetPixel0OfModule(1) == ((2164 - 1)/2)*(2068/2) + (1030+8)/2);
-    REQUIRE(x.GetPixel0OfModule(6) == ((2164 - 1)/2)*(2068/2) - 3 * ((514+36)/2)*(2068/2));
-    REQUIRE(x.GetPixel0OfModule(7) == ((2164 - 1)/2)*(2068/2) - 3 * ((514+36)/2)*(2068/2) + (1030+8)/2);
+    REQUIRE(x.GetPixel0OfModule(0) == ((2164 - 1))*(2068));
+    REQUIRE(x.GetPixel0OfModule(1) == ((2164 - 1))*(2068) + (1030+8));
+    REQUIRE(x.GetPixel0OfModule(6) == ((2164 - 1))*(2068) - 3 * ((514+36))*(2068));
+    REQUIRE(x.GetPixel0OfModule(7) == ((2164 - 1))*(2068) - 3 * ((514+36))*(2068) + (1030+8));
 
     x.Mode(DetectorMode::Raw);
     REQUIRE(!x.GetBinning2x2());
diff --git a/tests/FPGAIntegrationTest.cpp b/tests/FPGAIntegrationTest.cpp
index cdfb6e22..2df0062e 100644
--- a/tests/FPGAIntegrationTest.cpp
+++ b/tests/FPGAIntegrationTest.cpp
@@ -14,7 +14,7 @@ using namespace std::literals::chrono_literals;
 TEST_CASE("HLS_C_Simulation_internal_packet_generator", "[FPGA][Full]") {
     const uint16_t nmodules = 4;
 
-    DiffractionExperiment x(1, {nmodules});
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     x.Mode(DetectorMode::Raw);
     x.UseInternalPacketGenerator(true).ImagesPerTrigger(4).PedestalG0Frames(0);
@@ -53,7 +53,7 @@ TEST_CASE("HLS_C_Simulation_internal_packet_generator", "[FPGA][Full]") {
 TEST_CASE("HLS_C_Simulation_internal_packet_generator_custom_frame", "[FPGA][Full]") {
     const uint16_t nmodules = 4;
 
-    DiffractionExperiment x(1, {nmodules});
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     std::vector<uint16_t> test_frame(RAW_MODULE_SIZE);
 
@@ -95,7 +95,8 @@ TEST_CASE("HLS_C_Simulation_check_raw", "[FPGA][Full]") {
         LoadBinaryFile("../../tests/test_data/mod5_raw" + std::to_string(i)+".bin", raw_frames.data() + i * RAW_MODULE_SIZE, RAW_MODULE_SIZE);
     }
 
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Raw);
@@ -135,7 +136,10 @@ TEST_CASE("HLS_C_Simulation_check_raw", "[FPGA][Full]") {
 }
 
 TEST_CASE("HLS_C_Simulation_check_cancel", "[FPGA][Full]") {
-    DiffractionExperiment x(1,{4});
+
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Raw);
@@ -158,7 +162,9 @@ TEST_CASE("HLS_C_Simulation_check_cancel", "[FPGA][Full]") {
 
 
 TEST_CASE("HLS_C_Simulation_check_cancel_conversion", "[FPGA][Full]") {
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Conversion);
@@ -183,7 +189,10 @@ TEST_CASE("HLS_C_Simulation_check_delay", "[FPGA][Full]") {
     std::vector<uint16_t> raw_frames(RAW_MODULE_SIZE*20);
 
     Completion c;
-    DiffractionExperiment x(1,{4});
+
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Raw);
@@ -223,7 +232,9 @@ TEST_CASE("HLS_C_Simulation_check_delay", "[FPGA][Full]") {
 TEST_CASE("HLS_C_Simulation_check_lost_frame_raw", "[FPGA][Full]") {
     std::vector<uint16_t> raw_frames(RAW_MODULE_SIZE*20);
 
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     for (int i = 0; i < 4096; i++) data[i] = i;
@@ -253,7 +264,9 @@ TEST_CASE("HLS_C_Simulation_check_lost_frame_raw", "[FPGA][Full]") {
 TEST_CASE("HLS_C_Simulation_check_lost_frame_conversion", "[FPGA][Full]") {
     std::vector<uint16_t> raw_frames(RAW_MODULE_SIZE*20);
 
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     for (int i = 0; i < 4096; i++) data[i] = i;
@@ -282,7 +295,9 @@ TEST_CASE("HLS_C_Simulation_check_lost_frame_conversion", "[FPGA][Full]") {
 TEST_CASE("HLS_C_Simulation_check_single_packet", "[FPGA][Full]") {
     std::vector<uint16_t> raw_frames(RAW_MODULE_SIZE*20);
 
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Raw);
@@ -358,7 +373,9 @@ TEST_CASE("HLS_C_Simulation_check_convert_full_range", "[FPGA][Full]") {
 
     std::vector<double> energy_values = {6.0, 12.4, 17.7, 5, 4.5, 3.7};
 
-    DiffractionExperiment x(1, {1});
+    const uint16_t nmodules = 1;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     x.Mode(DetectorMode::Conversion);
     HLSSimulatedDevice test(0, 64);
 
@@ -397,7 +414,9 @@ TEST_CASE("HLS_C_Simulation_check_convert_full_range", "[FPGA][Full]") {
 TEST_CASE("HLS_C_Simulation_internal_packet_generator_convert_full_range", "[FPGA][Full]") {
     double energy = 6.0;
 
-    DiffractionExperiment x(1, {1});
+    const uint16_t nmodules = 1;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     std::vector<uint16_t> data(RAW_MODULE_SIZE);
     JFModulePedestal pedestal_g0, pedestal_g1, pedestal_g2;
     std::vector<double> gain(3 * RAW_MODULE_SIZE);
@@ -445,7 +464,8 @@ TEST_CASE("HLS_C_Simulation_internal_packet_generator_convert_full_range", "[FPG
 TEST_CASE("HLS_C_Simulation_internal_packet_generator_apply_pixel_mask", "[FPGA][Full]") {
     double energy = 6.0;
 
-    DiffractionExperiment x(1, {1});
+    const uint16_t nmodules = 1;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     JFModulePedestal pedestal_g0, pedestal_g1, pedestal_g2;
     std::vector<double> gain(3 * RAW_MODULE_SIZE);
@@ -526,7 +546,9 @@ TEST_CASE("HLS_C_Simulation_check_2_trigger_convert", "[FPGA][Full]") {
         LoadBinaryFile("../../tests/test_data/mod5_conv" + std::to_string(i)+".bin", conv_frames.data() + i * RAW_MODULE_SIZE, RAW_MODULE_SIZE);
     }
 
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Conversion);
@@ -598,7 +620,9 @@ TEST_CASE("HLS_C_Simulation_check_2_trigger_convert", "[FPGA][Full]") {
 
 
 TEST_CASE("HLS_C_Simulation_check_detect_last_frame", "[FPGA][Full]") {
-    DiffractionExperiment x(1,{4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[4096];
 
     x.Mode(DetectorMode::Conversion);
@@ -619,7 +643,9 @@ TEST_CASE("HLS_C_Simulation_check_detect_last_frame", "[FPGA][Full]") {
 }
 
 TEST_CASE("HLS_C_Simulation_check_wrong_packet_size", "[FPGA][Full]") {
-    DiffractionExperiment x(1,{1});
+    const uint16_t nmodules = 1;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
+
     uint16_t data[8192];
 
     x.Mode(DetectorMode::Conversion);
@@ -838,7 +864,8 @@ TEST_CASE("HLS_DataCollectionFSM","[OpenCAPI]") {
 }
 
 TEST_CASE("HLS_C_Simulation_internal_packet_generator_storage_cell_convert_G0", "[FPGA][Full]") {
-    DiffractionExperiment x(1, {2});
+    const uint16_t nmodules = 2;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     x.Mode(DetectorMode::Conversion);
     x.PedestalG0Frames(0).NumTriggers(1).ImagesPerTrigger(16).UseInternalPacketGenerator(true)
@@ -880,7 +907,8 @@ TEST_CASE("HLS_C_Simulation_internal_packet_generator_storage_cell_convert_G0",
 }
 
 TEST_CASE("HLS_C_Simulation_internal_packet_generator_storage_cell_convert_G1", "[FPGA][Full]") {
-    DiffractionExperiment x(1, {2});
+    const uint16_t nmodules = 2;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     x.Mode(DetectorMode::Conversion);
     x.PedestalG0Frames(0).NumTriggers(1).ImagesPerTrigger(16).UseInternalPacketGenerator(true)
diff --git a/tests/FPGANetworkTest.cpp b/tests/FPGANetworkTest.cpp
index cfd6ab90..9c4c6d98 100644
--- a/tests/FPGANetworkTest.cpp
+++ b/tests/FPGANetworkTest.cpp
@@ -32,7 +32,8 @@ struct RAW_ARP_Packet
 TEST_CASE("HLS_Network_ARP_Gratuitous") {
     HLSSimulatedDevice device(0, 64);
 
-    DiffractionExperiment x(2, {4});
+    const uint16_t nmodules = 4;
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     auto gain_from_file = GainCalibrationFromTestFile();
 
diff --git a/tests/FrameTransformationTest.cpp b/tests/FrameTransformationTest.cpp
index f53a1e54..64ec9fd1 100644
--- a/tests/FrameTransformationTest.cpp
+++ b/tests/FrameTransformationTest.cpp
@@ -16,9 +16,10 @@ TEST_CASE("Bshuf_SSE", "[bitshuffle]") {
 }
 
 TEST_CASE("FrameTransformation_Raw_NoCompression" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(1,{nmodules, nmodules});
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 1));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Raw);
     experiment.Compression(JFJochProtoBuf::NO_COMPRESSION);
@@ -41,8 +42,8 @@ TEST_CASE("FrameTransformation_Raw_NoCompression" ,"") {
     transformation.SetOutput(output.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     REQUIRE(transformation.PackStandardOutput() == experiment.GetPixelDepth() * experiment.GetPixelsNum());
@@ -59,9 +60,10 @@ TEST_CASE("FrameTransformation_Raw_NoCompression" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_NoCompression" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
     experiment.Mode(DetectorMode::Conversion).Compression(JFJochProtoBuf::NO_COMPRESSION);
 
     FrameTransformation transformation(experiment);
@@ -82,8 +84,8 @@ TEST_CASE("FrameTransformation_Converted_NoCompression" ,"") {
     transformation.SetOutput(output.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     REQUIRE(transformation.PackStandardOutput() == experiment.GetPixelDepth() * experiment.GetPixelsNum());
@@ -109,9 +111,10 @@ TEST_CASE("FrameTransformation_Converted_NoCompression" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_lz4" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Compression(JFJochProtoBuf::BSHUF_LZ4);
 
@@ -134,8 +137,8 @@ TEST_CASE("FrameTransformation_Converted_bshuf_lz4" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
@@ -170,9 +173,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_lz4" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Compression(JFJochProtoBuf::BSHUF_ZSTD);
 
@@ -195,8 +199,8 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
@@ -231,9 +235,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_bin_2x2" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, false);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2, 0, 0, false));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Compression(JFJochProtoBuf::BSHUF_ZSTD).Binning2x2(true);
 
@@ -255,8 +260,8 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_bin_2x2" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
@@ -278,9 +283,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_bin_2x2" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_rle" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Compression(JFJochProtoBuf::BSHUF_ZSTD_RLE);
 
@@ -303,8 +309,8 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_rle" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
@@ -339,9 +345,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_rle" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Summation(4).Compression(JFJochProtoBuf::BSHUF_ZSTD);
 
@@ -365,23 +372,23 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 1,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 1,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 2,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 2,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 3,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 3,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
@@ -409,9 +416,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_bin_2x2" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, false);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2, 0, 0, false));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Summation(4).Compression(JFJochProtoBuf::BSHUF_ZSTD).Binning2x2(true);
 
@@ -436,8 +444,8 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_bin_2x2" ,"") {
 
     for (int frame = 0; frame < experiment.GetSummation(); frame++) {
         for (int i = 0; i < nmodules; i++) {
-            REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, frame, i, 0));
-            REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, frame, i, 1));
+            REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+            REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
         }
     }
 
@@ -460,9 +468,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_bin_2x2" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_16bit_preview_summation" ,"") {
-    uint16_t nmodules = 1;
-
-    DiffractionExperiment experiment(1,{nmodules}, 0, 0, false);
+    const uint16_t nmodules = 1;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 1, 0, 0, false));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Summation(4).Compression(JFJochProtoBuf::BSHUF_ZSTD);
 
@@ -486,10 +495,10 @@ TEST_CASE("FrameTransformation_Converted_16bit_preview_summation" ,"") {
 
     transformation.SetOutput(output_compressed.data());
 
-    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 0,0, 0));
-    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 1,0, 0));
-    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 2,0, 0));
-    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 3,0, 0));
+    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 0, 0));
+    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 0, 0));
+    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 0, 0));
+    REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data(), 0, 0));
 
     size_t compressed_size;
     REQUIRE_NOTHROW(compressed_size = transformation.PackStandardOutput());
@@ -528,9 +537,10 @@ TEST_CASE("FrameTransformation_Converted_16bit_preview_summation" ,"") {
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_2frames" ,"") {
     // Ensure that previous frame is properly cleaned with PackStandardOutput()
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Summation(4).Compression(JFJochProtoBuf::BSHUF_ZSTD);
 
@@ -554,36 +564,36 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_2frames" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 2,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 2,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 2,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 2,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     size_t compressed_size;
     REQUIRE_NOTHROW(compressed_size = transformation.PackStandardOutput());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 1,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 1,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 2,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 2,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 3,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 3,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     REQUIRE_NOTHROW(compressed_size = transformation.PackStandardOutput());
@@ -610,9 +620,10 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_2frames" ,"") {
 }
 
 TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_negatives" ,"") {
-    uint16_t nmodules = 4;
-
-    DiffractionExperiment experiment(2,{nmodules, nmodules}, 0, 0, true);
+    const uint16_t nmodules = 4;
+    const uint16_t ndatastreams = 2;
+    DiffractionExperiment experiment(DetectorGeometry(ndatastreams * nmodules, 2));
+    experiment.DataStreams(ndatastreams);
 
     experiment.Mode(DetectorMode::Conversion).Summation(4).Compression(JFJochProtoBuf::BSHUF_ZSTD);
 
@@ -636,23 +647,23 @@ TEST_CASE("FrameTransformation_Converted_bshuf_zstd_summation_negatives" ,"") {
     transformation.SetOutput(output_compressed.data());
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 0,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 0,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 1,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 1,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 2,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 2,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
 
     for (int i = 0; i < nmodules; i++) {
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, 3,i, 0));
-        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, 3,i, 1));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_0.data() + i * RAW_MODULE_SIZE, i, 0));
+        REQUIRE_NOTHROW(transformation.ProcessModule(input_1.data() + i * RAW_MODULE_SIZE, i, 1));
     }
     size_t compressed_size;
     REQUIRE_NOTHROW(compressed_size = transformation.PackStandardOutput());
diff --git a/tests/HDF5WritingTest.cpp b/tests/HDF5WritingTest.cpp
index d6df70d2..61ba5314 100644
--- a/tests/HDF5WritingTest.cpp
+++ b/tests/HDF5WritingTest.cpp
@@ -117,7 +117,8 @@ TEST_CASE("HDF5File_Delete", "[HDF5][Unit]") {
 TEST_CASE("HDF5MasterFile", "[HDF5][Full]") {
     {
         RegisterHDF5Filter();
-        DiffractionExperiment x(2, {4,4}, 8, 36);
+        DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
+
         x.FilePrefix("test01").ImagesPerTrigger(950);
 
         StartMessage start_message;
@@ -139,7 +140,7 @@ TEST_CASE("HDF5MasterFile", "[HDF5][Full]") {
 TEST_CASE("HDF5Writer", "[HDF5][Full]") {
     {
         RegisterHDF5Filter();
-        DiffractionExperiment x(2, {4,4}, 8, 36);
+        DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
         std::vector<SpotToSave> spots;
 
         x.FilePrefix("test02_1p10").ImagesPerTrigger(5).DataFileCount(2).Compression(JFJochProtoBuf::NO_COMPRESSION);
@@ -166,7 +167,7 @@ TEST_CASE("HDF5Writer", "[HDF5][Full]") {
 TEST_CASE("HDF5Writer_Spots", "[HDF5][Full]") {
     {
         RegisterHDF5Filter();
-        DiffractionExperiment x(2, {4,4}, 8, 36);
+        DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
         std::vector<SpotToSave> spots;
 
         spots.push_back({10,10,7});
@@ -195,7 +196,8 @@ TEST_CASE("HDF5Writer_Spots", "[HDF5][Full]") {
 }
 
 TEST_CASE("HDF5Writer_VDS", "[HDF5][Full]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
+
     x.ImagesPerTrigger(5).DataFileCount(5)
      .Compression(JFJochProtoBuf::NO_COMPRESSION).FilePrefix("vds");
 
@@ -250,9 +252,8 @@ TEST_CASE("HDF5Writer_VDS", "[HDF5][Full]") {
 }
 
 TEST_CASE("HDF5Writer_VDS_missing", "[HDF5][Full]") {
-    DiffractionExperiment x(1, {1});
-    x.ImagesPerTrigger(5).DataFileCount(5)
-            .Compression(JFJochProtoBuf::NO_COMPRESSION).FilePrefix("vds_missing");
+    DiffractionExperiment x(DetectorGeometry(1));
+    x.ImagesPerTrigger(5).DataFileCount(5).Compression(JFJochProtoBuf::NO_COMPRESSION).FilePrefix("vds_missing");
 
     {
         RegisterHDF5Filter();
@@ -307,9 +308,8 @@ TEST_CASE("HDF5Writer_VDS_missing", "[HDF5][Full]") {
 
 
 TEST_CASE("HDF5Writer_VDS_zero_images", "[HDF5][Full]") {
-    DiffractionExperiment x(1, {1});
-    x.ImagesPerTrigger(5).DataFileCount(5)
-            .Compression(JFJochProtoBuf::NO_COMPRESSION).FilePrefix("vds_zero");
+    DiffractionExperiment x(DetectorGeometry(1));
+    x.ImagesPerTrigger(5).DataFileCount(5).Compression(JFJochProtoBuf::NO_COMPRESSION).FilePrefix("vds_zero");
 
     {
         RegisterHDF5Filter();
diff --git a/tests/JFCalibrationTest.cpp b/tests/JFCalibrationTest.cpp
index 1abf6880..55b86165 100644
--- a/tests/JFCalibrationTest.cpp
+++ b/tests/JFCalibrationTest.cpp
@@ -7,7 +7,7 @@
 #include "../jungfrau/JFCalibration.h"
 
 TEST_CASE("JFCalibration_Constructor","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4,4});
+    DiffractionExperiment experiment(DetectorGeometry(8, 2));
     experiment.StorageCells(16);
 
     JFCalibration c(experiment);
@@ -163,7 +163,7 @@ TEST_CASE("JFCalibration_Statistics_All","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_MaskModuleEdges","[JFCalibration]") {
-    DiffractionExperiment experiment(1,{4});
+    DiffractionExperiment experiment(DetectorGeometry(4, 1));
     experiment.MaskModuleEdges(true).Mode(DetectorMode::Raw);
 
     JFCalibration calibration(experiment);
@@ -182,7 +182,7 @@ TEST_CASE("JFCalibration_MaskModuleEdges","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_MaskChipEdges","[JFCalibration]") {
-    DiffractionExperiment experiment(1,{4});
+    DiffractionExperiment experiment(DetectorGeometry(4, 1));
     experiment.MaskChipEdges(true).Mode(DetectorMode::Raw);
 
     JFCalibration calibration(experiment);
@@ -205,7 +205,7 @@ TEST_CASE("JFCalibration_MaskChipEdges","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_CalculateNexusMask","[JFCalibration]") {
-    DiffractionExperiment experiment(1, {4}, 8, 36, false);
+    DiffractionExperiment experiment(DetectorGeometry(4, 1, 8, 36, false));
     experiment.MaskModuleEdges(false).MaskChipEdges(false);
     JFCalibration calibration(4, 2);
 
@@ -240,7 +240,7 @@ TEST_CASE("JFCalibration_CalculateNexusMask","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_CalculateNexusMask_Bin2x2","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4}, 8, 36, false);
+    DiffractionExperiment experiment(DetectorGeometry(4, 2, 8, 36, false));
     experiment.MaskModuleEdges(false).MaskChipEdges(true).Binning2x2(true);
     JFCalibration calibration(4, 2);
 
@@ -266,7 +266,7 @@ TEST_CASE("JFCalibration_CalculateNexusMask_Bin2x2","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_CalculateOneByteMask","[JFCalibration]") {
-    DiffractionExperiment experiment(1, {4}, 8, 36, false);
+    DiffractionExperiment experiment(DetectorGeometry(4, 1, 8, 36, false));
     experiment.MaskModuleEdges(false).MaskChipEdges(false);
     JFCalibration calibration(experiment);
     calibration.Mask(0) = 50;
@@ -287,7 +287,7 @@ TEST_CASE("JFCalibration_CalculateOneByteMask","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_CalculateOneByteMask_Bin2x2","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4}, 8, 36, false);
+    DiffractionExperiment experiment(DetectorGeometry(4, 2, 8, 36, false));
     experiment.MaskModuleEdges(false).MaskChipEdges(true).Binning2x2(true);
     JFCalibration calibration(experiment);
     calibration.Mask(0) = 50;
@@ -312,7 +312,7 @@ TEST_CASE("JFCalibration_CalculateOneByteMask_Bin2x2","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_LoadMask_Bitwise","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4, 4}, 8, 36, true);
+    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36, true));
 
     experiment.PhotonEnergy_keV(WVL_1A_IN_KEV);
 
@@ -346,7 +346,7 @@ TEST_CASE("JFCalibration_LoadMask_Bitwise","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_LoadMask","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4, 4}, 8, 36, true);
+    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36, true));
 
     experiment.PhotonEnergy_keV(WVL_1A_IN_KEV);
 
@@ -364,7 +364,7 @@ TEST_CASE("JFCalibration_LoadMask","[JFCalibration]") {
 }
 
 TEST_CASE("JFCalibration_MaskDetectorGaps","[JFCalibration]") {
-    DiffractionExperiment experiment(2, {4, 4}, 8, 36, true);
+    DiffractionExperiment experiment(DetectorGeometry(8, 2, 8, 36, true));
 
     experiment.PhotonEnergy_keV(WVL_1A_IN_KEV);
     JFCalibration calibration(experiment);
@@ -387,7 +387,7 @@ TEST_CASE("JFCalibration_Serialize","[ProtoBuf][JFCalibration]") {
     uint16_t nmodules = 2;
     uint16_t nstorage_cells = 2;
 
-    DiffractionExperiment experiment(1, {nmodules}, 0, 0, true);
+    DiffractionExperiment experiment(DetectorGeometry(1));
 
     experiment.PhotonEnergy_keV(WVL_1A_IN_KEV);
 
diff --git a/tests/JFJochBrokerTest.cpp b/tests/JFJochBrokerTest.cpp
index 7357dec1..692082e8 100644
--- a/tests/JFJochBrokerTest.cpp
+++ b/tests/JFJochBrokerTest.cpp
@@ -164,7 +164,7 @@ TEST_CASE("JFJochStateMachine_GainCalibration") {
     Logger logger("JFJochBrokerService_GainCalibration");
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(1, {2,2});
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(DetectorGeometry(4));
     REQUIRE_NOTHROW(state_machine.Initialize());
     state_machine.LoadGainFile("../../tests/test_data/gainMaps_M049.bin");
     state_machine.LoadGainFile("../../tests/test_data/gainMaps_M049.bin");
diff --git a/tests/JFJochFullIntegrationTest.cpp b/tests/JFJochFullIntegrationTest.cpp
index ec32cb00..7087a9d4 100644
--- a/tests/JFJochFullIntegrationTest.cpp
+++ b/tests/JFJochFullIntegrationTest.cpp
@@ -23,7 +23,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ", "[JFJochReceiver]") {
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
@@ -31,7 +31,8 @@ TEST_CASE("JFJochIntegrationTest_ZMQ", "[JFJochReceiver]") {
     REQUIRE(!state_machine.GetMeasurementStatistics().has_value());
 
 
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
@@ -42,11 +43,11 @@ TEST_CASE("JFJochIntegrationTest_ZMQ", "[JFJochReceiver]") {
     std::vector<std::unique_ptr<MockAcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         aq_devices.emplace_back(test);
     }
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -56,7 +57,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ", "[JFJochReceiver]") {
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -118,14 +119,15 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_2DataStreams_4Devices", "[JFJochReceiver]")
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
 
     REQUIRE(!state_machine.GetMeasurementStatistics().has_value());
 
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
@@ -136,11 +138,11 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_2DataStreams_4Devices", "[JFJochReceiver]")
     std::vector<std::unique_ptr<MockAcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < 4; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         aq_devices.emplace_back(test);
     }
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -150,7 +152,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_2DataStreams_4Devices", "[JFJochReceiver]")
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -212,14 +214,15 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_RAW", "[JFJochReceiver]") {
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
 
     REQUIRE(!state_machine.GetMeasurementStatistics().has_value());
 
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().Mode(DetectorMode::Conversion);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
@@ -230,11 +233,11 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_RAW", "[JFJochReceiver]") {
     std::vector<std::unique_ptr<MockAcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         aq_devices.emplace_back(test);
     }
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -243,7 +246,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_RAW", "[JFJochReceiver]") {
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     JFJochProtoBuf::DetectorSettings detector_settings;
     detector_settings.set_frame_time_us(500);
@@ -292,7 +295,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_RAW", "[JFJochReceiver]") {
     REQUIRE(statistics.images_written() == 5);
     REQUIRE(statistics.file_prefix() == "integration_raw_test");
     REQUIRE(statistics.detector_width() == 1024);
-    REQUIRE(statistics.detector_height() == 8*512);
+    REQUIRE(statistics.detector_height() == 8 * 512);
     REQUIRE(statistics.detector_pixel_depth() == 2);
 
     fpga_receiver_server->Shutdown();
@@ -300,7 +303,6 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_RAW", "[JFJochReceiver]") {
 }
 
 
-
 TEST_CASE("JFJochIntegrationTest_ZMQ_3Writers", "[JFJochReceiver]") {
     Logger logger("JFJochIntegrationTest_ZMQ_3Writers");
     ZMQContext zmq_context;
@@ -309,11 +311,12 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_3Writers", "[JFJochReceiver]") {
 
     int64_t nimages = 37;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0);
     services
             .Writer("unix:writer_test_0", "inproc://#0")
@@ -328,11 +331,11 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_3Writers", "[JFJochReceiver]") {
     std::vector<std::unique_ptr<MockAcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         aq_devices.emplace_back(test);
     }
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -344,9 +347,9 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_3Writers", "[JFJochReceiver]") {
     JFJochWriterService writer_2(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server_0 = gRPCServer("unix:writer_test_0",  writer_0);
-    auto writer_server_1 = gRPCServer("unix:writer_test_1",  writer_1);
-    auto writer_server_2 = gRPCServer("unix:writer_test_2",  writer_2);
+    auto writer_server_0 = gRPCServer("unix:writer_test_0", writer_0);
+    auto writer_server_1 = gRPCServer("unix:writer_test_1", writer_1);
+    auto writer_server_2 = gRPCServer("unix:writer_test_2", writer_2);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -406,11 +409,12 @@ TEST_CASE("JFJochIntegrationTest_Cancel", "[JFJochReceiver]") {
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
@@ -421,16 +425,16 @@ TEST_CASE("JFJochIntegrationTest_Cancel", "[JFJochReceiver]") {
     std::vector<std::unique_ptr<MockAcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         test->EnableLogging(&logger);
         for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(i); m++) {
-            for (int frame = 1; frame <= nimages; frame ++)
+            for (int frame = 1; frame <= nimages; frame++)
                 test->AddModule(frame, m, image.data());
         }
         aq_devices.emplace_back(test);
     }
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -439,7 +443,7 @@ TEST_CASE("JFJochIntegrationTest_Cancel", "[JFJochReceiver]") {
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -483,12 +487,14 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview", "[JFJochReceiver]") {
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
-    state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0).PreviewPeriod(5ms);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
+    state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0).PreviewPeriod(
+            5ms);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
     logger.Verbose(true);
@@ -498,7 +504,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview", "[JFJochReceiver]") {
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(i); m++) {
             for (int image_num = 1; image_num <= nimages; image_num++)
                 test->AddModule(image_num, m, image.data());
@@ -508,7 +514,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview", "[JFJochReceiver]") {
     }
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -524,7 +530,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview", "[JFJochReceiver]") {
     rcv_preview_socket.SubscribeAll();
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -601,12 +607,14 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview_no_writer", "[JFJochReceiver]"
 
     int64_t nimages = 5;
     int64_t ndatastream = 2;
-    std::vector<int64_t> nmodules = {4, 4};
+    int64_t nmodules = 4;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
-    state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0).PreviewPeriod(5ms);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
+    state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0).PreviewPeriod(
+            5ms);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
     logger.Verbose(true);
@@ -616,7 +624,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview_no_writer", "[JFJochReceiver]"
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
     for (int i = 0; i < ndatastream; i++) {
-        auto *test = new MockAcquisitionDevice(i , 256);
+        auto *test = new MockAcquisitionDevice(i, 256);
         for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(i); m++) {
             for (int image_num = 1; image_num <= nimages; image_num++)
                 test->AddModule(image_num, m, image.data());
@@ -626,7 +634,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview_no_writer", "[JFJochReceiver]"
     }
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -642,7 +650,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_with_preview_no_writer", "[JFJochReceiver]"
     rcv_preview_socket.SubscribeAll();
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -717,11 +725,12 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_background_estimation", "[JFJochReceiver]")
 
     size_t nimages = 10;
     int64_t ndatastream = 1;
-    std::vector<int64_t> nmodules = {8};
+    int64_t nmodules = 8;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0)
             .MaskChipEdges(true).MaskModuleEdges(true).SpotFindingPeriod(1ms).FrameTime(1ms);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
@@ -732,10 +741,10 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_background_estimation", "[JFJochReceiver]")
 
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
-    auto *test = new MockAcquisitionDevice(0 , 256);
+    auto *test = new MockAcquisitionDevice(0, 256);
 
     for (int i = 0; i < nimages; i++) {
-        for (auto & j: image_raw_geom)
+        for (auto &j: image_raw_geom)
             j = 2 * i + 5;
         for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(); m++)
             test->AddModule(i + 1, m, image_raw_geom.data());
@@ -747,7 +756,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_background_estimation", "[JFJochReceiver]")
 
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -760,7 +769,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_background_estimation", "[JFJochReceiver]")
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -806,7 +815,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_background_estimation", "[JFJochReceiver]")
     REQUIRE(plots.bkg_estimate().x_size() == 1);
     REQUIRE(plots.bkg_estimate().y_size() == 1);
     REQUIRE(plots.bkg_estimate().x(0) == Approx(4.5));
-    REQUIRE(plots.bkg_estimate().y(0) == Approx((5+23) / 2.0));
+    REQUIRE(plots.bkg_estimate().y(0) == Approx((5 + 23) / 2.0));
 
     auto tmp = state_machine.GetMeasurementStatistics();
     REQUIRE(tmp.has_value());
@@ -826,11 +835,12 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot", "[JFJochReceiver]") {
 
     size_t nimages = 1;
     int64_t ndatastream = 1;
-    std::vector<int64_t> nmodules = {8};
+    int64_t nmodules = 8;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
 
@@ -842,22 +852,24 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot", "[JFJochReceiver]") {
     HDF5DataSet dataset(data, "/entry/data/data");
     HDF5DataSpace file_space(dataset);
 
-    std::vector<int16_t> image_conv ( nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
+    std::vector<int16_t> image_conv(nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
-    std::vector<hsize_t> start = {0,0,0};
+    std::vector<hsize_t> start = {0, 0, 0};
     std::vector<hsize_t> file_size = {nimages, file_space.GetDimensions()[1], file_space.GetDimensions()[2]};
     dataset.ReadVector(image_conv, start, file_size);
 
-    std::vector<int16_t> image_raw_geom(nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
+    std::vector<int16_t> image_raw_geom(
+            nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
     for (int i = 0; i < nimages; i++)
         ConvertedToRawGeometry(state_machine.NotThreadSafe_Experiment(),
-                               image_raw_geom.data() + i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
+                               image_raw_geom.data() +
+                               i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
                                image_conv.data() + i * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
 
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
-    auto *test = new MockAcquisitionDevice(0 , 256);
+    auto *test = new MockAcquisitionDevice(0, 256);
 
     for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(0); m++) {
         test->AddModule(1, m, (uint16_t *) (image_raw_geom.data() + m * RAW_MODULE_SIZE));
@@ -868,7 +880,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot", "[JFJochReceiver]") {
 
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -877,7 +889,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot", "[JFJochReceiver]") {
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -934,11 +946,12 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index", "[JFJochReceiver]
 
     size_t nimages = 24;
     int64_t ndatastream = 1;
-    std::vector<int64_t> nmodules = {8};
+    int64_t nmodules = 8;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0)
             .SpotFindingPeriod(10ms).IndexingPeriod(10ms);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
@@ -951,27 +964,31 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index", "[JFJochReceiver]
     HDF5DataSet dataset(data, "/entry/data/data");
     HDF5DataSpace file_space(dataset);
 
-    std::vector<int16_t> image_conv ( nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
+    std::vector<int16_t> image_conv(nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
-    std::vector<hsize_t> start = {0,0,0};
+    std::vector<hsize_t> start = {0, 0, 0};
     std::vector<hsize_t> file_size = {nimages, file_space.GetDimensions()[1], file_space.GetDimensions()[2]};
     dataset.ReadVector(image_conv, start, file_size);
 
-    std::vector<int16_t> image_raw_geom(nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
+    std::vector<int16_t> image_raw_geom(
+            nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
     for (int i = 0; i < nimages; i++)
         ConvertedToRawGeometry(state_machine.NotThreadSafe_Experiment(),
-                               image_raw_geom.data() + i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
+                               image_raw_geom.data() +
+                               i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
                                image_conv.data() + i * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
 
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
-    auto *test = new MockAcquisitionDevice(0 , 512);
+    auto *test = new MockAcquisitionDevice(0, 512);
 
     for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(0); m++) {
         for (int image_num = 1; image_num <= nimages; image_num++)
             test->AddModule(image_num, m, (uint16_t *) (image_raw_geom.data()
-                                                        + (m + (image_num-1) * state_machine.NotThreadSafe_Experiment().GetModulesNum(0))
+                                                        + (m + (image_num - 1) *
+                                                               state_machine.NotThreadSafe_Experiment().GetModulesNum(
+                                                                       0))
                                                           * RAW_MODULE_SIZE));
     }
     test->Terminate();
@@ -980,7 +997,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index", "[JFJochReceiver]
 
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -989,7 +1006,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index", "[JFJochReceiver]
     JFJochWriterService writer(zmq_context, logger);;
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -1049,11 +1066,12 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
 
     size_t nimages = 24;
     int64_t ndatastream = 1;
-    std::vector<int64_t> nmodules = {8};
+    int64_t nmodules = 8;
 
     JFJochServices services(logger);
     JFJochStateMachine state_machine(services, logger);
-    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(2, nmodules, 8, 36);
+    state_machine.NotThreadSafe_Experiment() = DiffractionExperiment(
+            DetectorGeometry(ndatastream * nmodules, 2, 8, 36)).DataStreams(ndatastream);
     state_machine.NotThreadSafe_Experiment().PedestalG0Frames(0).PedestalG1Frames(0).PedestalG2Frames(0)
             .SpotFindingPeriod(10ms).IndexingPeriod(10ms);
     services.Writer("unix:writer_test", "inproc://#1").Receiver("unix:fpga_receiver_test");
@@ -1066,29 +1084,33 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
     HDF5DataSet dataset(data, "/entry/data/data");
     HDF5DataSpace file_space(dataset);
 
-    std::vector<int16_t> image_conv ( nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
+    std::vector<int16_t> image_conv(nimages * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
-    std::vector<hsize_t> start = {0,0,0};
+    std::vector<hsize_t> start = {0, 0, 0};
     std::vector<hsize_t> file_size = {nimages, file_space.GetDimensions()[1], file_space.GetDimensions()[2]};
     dataset.ReadVector(image_conv, start, file_size);
 
-    std::vector<int16_t> image_raw_geom(nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
+    std::vector<int16_t> image_raw_geom(
+            nimages * state_machine.NotThreadSafe_Experiment().GetModulesNum() * RAW_MODULE_SIZE * sizeof(int16_t));
     for (int i = 0; i < nimages; i++)
         ConvertedToRawGeometry(state_machine.NotThreadSafe_Experiment(),
-                               image_raw_geom.data() + i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
+                               image_raw_geom.data() +
+                               i * RAW_MODULE_SIZE * state_machine.NotThreadSafe_Experiment().GetModulesNum(),
                                image_conv.data() + i * file_space.GetDimensions()[1] * file_space.GetDimensions()[2]);
 
 
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
 
-    auto *test = new MockAcquisitionDevice(0 , 512);
+    auto *test = new MockAcquisitionDevice(0, 512);
 
     std::vector<uint16_t> pedestal(RAW_MODULE_SIZE, 3500);
 
     for (int m = 0; m < state_machine.NotThreadSafe_Experiment().GetModulesNum(0); m++) {
         for (int image_num = 1; image_num <= nimages; image_num++)
             test->AddModule(image_num, m, (uint16_t *) (image_raw_geom.data()
-                                                        + (m + (image_num-1) * state_machine.NotThreadSafe_Experiment().GetModulesNum(0))
+                                                        + (m + (image_num - 1) *
+                                                               state_machine.NotThreadSafe_Experiment().GetModulesNum(
+                                                                       0))
                                                           * RAW_MODULE_SIZE));
     }
     test->Terminate();
@@ -1097,7 +1119,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
 
     ZMQContext zmq_context;
 
-    std::vector<AcquisitionDevice *>  tmp_devices;
+    std::vector<AcquisitionDevice *> tmp_devices;
     for (const auto &i: aq_devices)
         tmp_devices.emplace_back(i.get());
 
@@ -1106,7 +1128,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
     JFJochWriterService writer(zmq_context, logger);
 
     auto fpga_receiver_server = gRPCServer("unix:fpga_receiver_test", fpga_receiver);
-    auto writer_server = gRPCServer("unix:writer_test",  writer);
+    auto writer_server = gRPCServer("unix:writer_test", writer);
 
     REQUIRE_NOTHROW(state_machine.Initialize());
     logger.Info("Initialized");
@@ -1116,7 +1138,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
     setup.set_detector_distance_mm(75);
     setup.set_summation(3);
     setup.set_file_prefix("spot_finding_test");
-    setup.set_images_per_trigger(nimages/3);
+    setup.set_images_per_trigger(nimages / 3);
     setup.set_photon_energy_kev(12.4);
     setup.set_beam_x_pxl(1090);
     setup.set_beam_y_pxl(1136);
@@ -1150,7 +1172,7 @@ TEST_CASE("JFJochIntegrationTest_ZMQ_lysozyme_spot_and_index_sum", "[JFJochRecei
     auto statistics = tmp.value();
 
     REQUIRE(statistics.collection_efficiency() == 1.0);
-    REQUIRE(statistics.images_collected() == nimages/3);
+    REQUIRE(statistics.images_collected() == nimages / 3);
     REQUIRE(statistics.has_indexing_rate());
     REQUIRE(statistics.indexing_rate() == 1.0);
 
diff --git a/tests/JFJochReceiverIntegrationTest.cpp b/tests/JFJochReceiverIntegrationTest.cpp
index 3695c254..1e2eb364 100644
--- a/tests/JFJochReceiverIntegrationTest.cpp
+++ b/tests/JFJochReceiverIntegrationTest.cpp
@@ -11,7 +11,7 @@
 using namespace std::literals::chrono_literals;
 
 TEST_CASE("JFJochReceiverTest_Raw", "[JFJochReceiver]") {
-    DiffractionExperiment x(1, {4});
+    DiffractionExperiment x(DetectorGeometry(4));
     const uint16_t nthreads = 4;
 
     x.Mode(DetectorMode::Raw);
@@ -42,7 +42,7 @@ TEST_CASE("JFJochReceiverTest_Raw", "[JFJochReceiver]") {
 TEST_CASE("JFJochReceiverTest_Conversion", "[JFJochReceiver]") {
     Logger logger("JFJochReceiverTest_Conversion");
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     const uint16_t nthreads = 4;
 
     x.Mode(DetectorMode::Conversion);
@@ -72,7 +72,7 @@ TEST_CASE("JFJochReceiverTest_Conversion", "[JFJochReceiver]") {
 TEST_CASE("JFJochReceiverTest_Conversion_Bin2x2", "[JFJochReceiver]") {
     Logger logger("JFJochReceiverTest_Conversion_Bin2x2");
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     const uint16_t nthreads = 4;
 
     x.Mode(DetectorMode::Conversion);
@@ -100,9 +100,9 @@ TEST_CASE("JFJochReceiverTest_Conversion_Bin2x2", "[JFJochReceiver]") {
 }
 
 TEST_CASE("JFJochReceiverTest_ConversionOnCPU", "[JFJochReceiver]") {
-    Logger logger("JFJochReceiverTest_Conversion");
+    Logger logger("JFJochReceiverTest_ConversionOnCPU");
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     const uint16_t nthreads = 4;
 
     x.Mode(DetectorMode::Conversion);
@@ -129,10 +129,41 @@ TEST_CASE("JFJochReceiverTest_ConversionOnCPU", "[JFJochReceiver]") {
     REQUIRE(!output.cancelled());
 }
 
+
+TEST_CASE("JFJochReceiverTest_ConversionOnCPU_Bin2x2", "[JFJochReceiver]") {
+    Logger logger("JFJochReceiverTest_ConversionOnCPU_Bin2x2");
+
+    DiffractionExperiment x(DetectorGeometry(2));
+    const uint16_t nthreads = 4;
+
+    x.Mode(DetectorMode::Conversion);
+    x.PedestalG0Frames(0).NumTriggers(1).UseInternalPacketGenerator(true).ConversionOnCPU(true).Binning2x2(true)
+            .ImagesPerTrigger(32).DataFileCount(16).PhotonEnergy_keV(12.4).Compression(JFJochProtoBuf::BSHUF_ZSTD);
+
+    std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
+    for (int i = 0; i < x.GetDataStreamsNum(); i++) {
+        AcquisitionDevice *test;
+        test = new HLSSimulatedDevice(i, 64);
+        test->EnableLogging(&logger);
+        aq_devices.emplace_back(test);
+    }
+
+    JFJochProtoBuf::ReceiverOutput output;
+    bool ret;
+    REQUIRE_NOTHROW(ret = JFJochReceiverTest(output, logger, aq_devices, x, nthreads,  false));
+    REQUIRE(ret);
+    REQUIRE(output.efficiency() == 1.0);
+    REQUIRE(output.images_sent() == x.GetImageNum());
+
+    REQUIRE(output.device_statistics(0).timestamp_size() == 32 * 2);
+    REQUIRE(output.device_statistics(0).timestamp(30 * 2) == 0xABCDEF);
+    REQUIRE(!output.cancelled());
+}
+
 TEST_CASE("JFJochReceiverTest_Conversion_StorageCell", "[JFJochReceiver]") {
     Logger logger("JFJochReceiverTest_Conversion_StorageCell");
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     const uint16_t nthreads = 4;
 
     x.Mode(DetectorMode::Conversion);
@@ -182,7 +213,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG1", "[JFJochReceiver]") {
         i = 16384 | number;
     }
 
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::PedestalG1).PedestalG0Frames(0)
             .PedestalG1Frames(nframes).NumTriggers(1).UseInternalPacketGenerator(false)
             .ImagesPerTrigger(0).PhotonEnergy_keV(12.4);
@@ -242,7 +273,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG2_storage_cell", "[JFJochReceiver]") {
         if (number > 16300) number = 16300;
         i = 32768 | 16384 | number;
     }
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::PedestalG2).PedestalG0Frames(0)
             .PedestalG2Frames(nframes).NumTriggers(1).UseInternalPacketGenerator(false)
             .ImagesPerTrigger(0).PhotonEnergy_keV(12.4).StorageCells(16);
@@ -285,7 +316,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG2_storage_cell", "[JFJochReceiver]") {
 }
 
 TEST_CASE("JFJochReceiverTest_PedestalG0", "[JFJochReceiver]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     const uint16_t nthreads = 4;
     size_t nframes = 500;
 
@@ -338,7 +369,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG0", "[JFJochReceiver]") {
 }
 
 TEST_CASE("JFJochReceiverTest_PedestalG0_StorageCell", "[JFJochReceiver]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     const uint16_t nthreads = 4;
     size_t nframes = 140;
 
@@ -390,7 +421,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG0_StorageCell", "[JFJochReceiver]") {
 }
 
 TEST_CASE("JFJochReceiverTest_PedestalG1_NoFrames", "[JFJochReceiver]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     const uint16_t nthreads = 4;
     size_t nframes = 256;
 
@@ -423,7 +454,7 @@ TEST_CASE("JFJochReceiverTest_PedestalG1_NoFrames", "[JFJochReceiver]") {
 }
 
 TEST_CASE("JFJochReceiverTest_PacketLost_Raw", "[JFJochReceiver]") {
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     const uint16_t nthreads = 4;
 
     std::vector<uint16_t> frame_in(RAW_MODULE_SIZE);
diff --git a/tests/MockAcquisitionDeviceTest.cpp b/tests/MockAcquisitionDeviceTest.cpp
index cb00936f..d712d0ac 100644
--- a/tests/MockAcquisitionDeviceTest.cpp
+++ b/tests/MockAcquisitionDeviceTest.cpp
@@ -7,7 +7,8 @@
 TEST_CASE("MockAcquisitionDevice") {
     std::vector<uint16_t> module_data(RAW_MODULE_SIZE, 765);
 
-    DiffractionExperiment experiment(2, {4,4});
+    DiffractionExperiment experiment(DetectorGeometry(8, 2));
+    experiment.DataStreams(2);
 
     experiment.NumTriggers(1).ImagesPerTrigger(5);
     MockAcquisitionDevice device(0, 128);
diff --git a/tests/PedestalCalcTest.cpp b/tests/PedestalCalcTest.cpp
index 9e286b6f..3c7a23dd 100644
--- a/tests/PedestalCalcTest.cpp
+++ b/tests/PedestalCalcTest.cpp
@@ -9,7 +9,7 @@ TEST_CASE("JFPedestalCalc", "[JFPedestalCalc]") {
         uint16_t base_value;
         uint16_t wrong_value;
         uint16_t mask_value;
-        DiffractionExperiment x(1, {1});
+        DiffractionExperiment x(DetectorGeometry(1));
 
         switch (gain_level) {
             case 1:
@@ -91,7 +91,7 @@ TEST_CASE("JFPedestalCalc", "[JFPedestalCalc]") {
 }
 
 TEST_CASE("PedestalCalc_ImagesLessThanWindow", "[JFPedestalCalc]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::PedestalG2);
     JFModulePedestal calib;
     JFPedestalCalc calc(x);
@@ -125,7 +125,7 @@ TEST_CASE("PedestalCalc_ImagesLessThanWindow", "[JFPedestalCalc]") {
 }
 
 TEST_CASE("JFPedestal_line0","[JFModulePedestal]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::PedestalG0);
     JFModulePedestal calib;
 
@@ -167,7 +167,7 @@ TEST_CASE("JFPedestal_line0","[JFModulePedestal]") {
 }
 
 TEST_CASE("JFPedestal_wrong_size","[JFModulePedestal]") {
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
 
     std::unique_ptr<JFPedestalCalc> calc;
 
diff --git a/tests/ProcessRawPacketTest.cpp b/tests/ProcessRawPacketTest.cpp
index fc0f72fd..39da1c9d 100644
--- a/tests/ProcessRawPacketTest.cpp
+++ b/tests/ProcessRawPacketTest.cpp
@@ -28,7 +28,8 @@ TEST_CASE("ProcessRawPacketTest") {
     wr_fifo.Put(ProcessWorkRequest{.ptr = array_1.data(), .handle = 1});
     wr_fifo.Put(ProcessWorkRequest{.ptr = array_2.data(), .handle = 2});
 
-    DiffractionExperiment experiment(2, {4,4});
+    DiffractionExperiment experiment(DetectorGeometry(8));
+    experiment.DataStreams(2);
 
     {
         ProcessJFPacket process(c_fifo, wr_fifo, 4);
diff --git a/tests/RadialIntegrationTest.cpp b/tests/RadialIntegrationTest.cpp
index dbb930c8..f125cc74 100644
--- a/tests/RadialIntegrationTest.cpp
+++ b/tests/RadialIntegrationTest.cpp
@@ -14,7 +14,7 @@ TEST_CASE("RadialIntegrationMapping_Constructor","[RadialIntegration]") {
 }
 
 TEST_CASE("RadialIntegrationMapping_Constructor_Mask","[RadialIntegration]") {
-    DiffractionExperiment x{2,{8}, 8, 36};
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     x.DetectorDistance_mm(50).BeamX_pxl(1000).BeamY_pxl(1000);
     x.QSpacingForRadialInt_recipA(0.1).LowQForRadialInt_recipA(0.001).HighQForRadialInt_recipA(9.9);
@@ -32,7 +32,7 @@ TEST_CASE("RadialIntegrationMapping_Constructor_Mask","[RadialIntegration]") {
 }
 
 TEST_CASE("RadialIntegrationMapping_GetBinNumber","[RadialIntegration]") {
-    DiffractionExperiment x{2,{8}, 8, 36};
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(50).BeamX_pxl(1000).BeamY_pxl(1000);
     x.QSpacingForRadialInt_recipA(0.1).LowQForRadialInt_recipA(0.1).HighQForRadialInt_recipA(4);
     RadialIntegrationMapping mapping(x);
@@ -40,7 +40,7 @@ TEST_CASE("RadialIntegrationMapping_GetBinNumber","[RadialIntegration]") {
 }
 
 TEST_CASE("RadialIntegrationMapping_GetBinNumber_DetectorLimit","[RadialIntegration]") {
-    DiffractionExperiment x{2,{8}, 8, 36};
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(50).BeamX_pxl(1000).BeamY_pxl(1000);
 
     x.QSpacingForRadialInt_recipA(0.1).LowQForRadialInt_recipA(0.1).HighQForRadialInt_recipA(9.9);
@@ -49,7 +49,7 @@ TEST_CASE("RadialIntegrationMapping_GetBinNumber_DetectorLimit","[RadialIntegrat
 }
 
 TEST_CASE("RadialIntegrationMapping_GetBinToQ","[RadialIntegration]") {
-    DiffractionExperiment x{2,{8}, 8, 36};
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(50).BeamX_pxl(1000).BeamY_pxl(1000);
     x.QSpacingForRadialInt_recipA(0.1).LowQForRadialInt_recipA(0.1).HighQForRadialInt_recipA(4);
 
@@ -63,7 +63,7 @@ TEST_CASE("RadialIntegrationMapping_GetBinToQ","[RadialIntegration]") {
 }
 
 TEST_CASE("RadialIntegrationMapping_QToBin","[RadialIntegration]") {
-    DiffractionExperiment x{2,{8}, 8, 36};
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.DetectorDistance_mm(50).BeamX_pxl(1000).BeamY_pxl(1000);
     x.QSpacingForRadialInt_recipA(0.1).LowQForRadialInt_recipA(0.1).HighQForRadialInt_recipA(4);
 
diff --git a/tests/RawToConvertedGeometryTest.cpp b/tests/RawToConvertedGeometryTest.cpp
index cc267c8f..46ccd27f 100644
--- a/tests/RawToConvertedGeometryTest.cpp
+++ b/tests/RawToConvertedGeometryTest.cpp
@@ -65,74 +65,6 @@ TEST_CASE("RawToConvertedGeometry_LineCopyAndAddMultipixelNormalRow","[RawToConv
     REQUIRE(out[1029] == 1029 - 6);
 }
 
-TEST_CASE("RawToConvertedGeometry_LineCopyAndAdjustMultipixelBin2x2","[RawToConvertedGeometry]") {
-    int16_t in[2048];
-    int16_t out[514];
-    for (int16_t i = 0; i < 2048; i++)
-        in[i] = i;
-
-    LineCopyAndAdjustMultipixelBin2x2<int16_t>(out, in, -1, 6000);
-    CHECK(out[0] == 0+1+1024+1025);
-    CHECK(out[100] == 200+201+1224+1225);
-    CHECK(out[127] == 254+255/2+254+1024+255/2+1024/2);
-    CHECK(out[128] == 255/2+256/2+1024/2+255/2+256/2+1024/2);
-    CHECK(out[129] == 257+256/2+1024/2+257+1024+256/2);
-    CHECK(out[201] == 400+401+400+401+1024+1024);
-    CHECK(out[302] == 600+601+600+601+1024+1024);
-    CHECK(out[385] == 766+767/2+1024+766+767/2+1024/2);
-    CHECK(out[386] == 767/2+768/2+1024/2+1024/2+767/2+768/2);
-    CHECK(out[403] == 800+801+800+801+1024+1024);
-    CHECK(out[513] == 6000); // overload
-}
-
-TEST_CASE("RawToConvertedGeometry_LineCopyAndAdjustMultipixelBin2x2MidRow","[RawToConvertedGeometry]") {
-    int16_t in[1024];
-    int16_t out[514];
-    for (int16_t i = 0; i < 1024; i++)
-        in[i] = i;
-
-    LineCopyAndAdjustMultipixelBin2x2MidRow<int16_t>(out, in, -1, 2000);
-    REQUIRE(out[0] == 0+1);
-    REQUIRE(out[100] == 200 + 201);
-    REQUIRE(out[127] == 254 + 255/2);
-    REQUIRE(out[128] == 256/2 + 255/2);
-    REQUIRE(out[129] == 256/2 + 257);
-    REQUIRE(out[201] == 400+401);
-    REQUIRE(out[302] == 600+601);
-    REQUIRE(out[385] == 766+767/2);
-    REQUIRE(out[386] == 767/2+768/2);
-    REQUIRE(out[403] == 800+801);
-    REQUIRE(out[513] == 2000); // overload
-}
-
-TEST_CASE("RawToConvertedGeometry_TransferModuleAdjustMultipixelsBin2x2","[RawToConvertedGeometry]") {
-    int16_t in[RAW_MODULE_SIZE];
-    int16_t out[(CONVERTED_MODULE_COLS/2) * (CONVERTED_MODULE_LINES/2)];
-    for (int i = 0; i < RAW_MODULE_SIZE; i++)
-        in[i] = i % 1024;
-
-    TransferModuleAdjustMultipixelsBin2x2<int16_t>(out, in, (CONVERTED_MODULE_COLS/2), -1, 8000);
-
-    CHECK(out[0] == 0 + 1 + 0 + 1);
-    CHECK(out[1] == 2 + 3 + 2 + 3);
-    CHECK(out[513] == 1020 + 1021 + 1020 + 1021);
-    CHECK(out[514] == 1022 + 1023 + 1022 + 1023);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 100 + 1] == 2 + 3 + 2 + 3);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 100 + 127] == 2*(254 + 255/2));
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 100 + 128] == 2*(255/2 + 256/2));
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 128] == 0 + 1);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 128 + 1] == 2 + 3);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 128 + 127] == 254+255/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 128 + 128] == 255/2+256/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 128 + 128 + 129 * 2] == 767/2+768/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 129] == 0 + 1);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 129 + 1] == 2 + 3);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 129 + 127] == 254+255/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 129 + 128] == 255/2+256/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * 129 + 128 + 129 * 2] == 767/2+768/2);
-    CHECK(out[(CONVERTED_MODULE_COLS/2) * (CONVERTED_MODULE_LINES/2) - 1] == 1022+1023+1022+1023);
-}
-
 TEST_CASE("RawToConvertedGeometry_LineCopyAndAddMultipixelMiddleRow","[RawToConvertedGeometry]") {
     int16_t in[1024];
     int16_t out[1030];
@@ -157,21 +89,23 @@ TEST_CASE("RawToConvertedGeometry_LineCopyAndAddMultipixelMiddleRow","[RawToConv
 }
 
 TEST_CASE("RawToConvertedGeometry_Transform","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2, {4,4,6,6}, 0,0, false);
+    DiffractionExperiment x(DetectorGeometry(20, 2, 0, 0, false));
+    x.DataStreams(4);
 
     x.Mode(DetectorMode::Conversion);
-    REQUIRE(x.GetModulesNum(2) == 6);
+    REQUIRE(x.GetModulesNum(2) == 5);
     REQUIRE(x.GetPixelsNum() == CONVERTED_MODULE_SIZE * x.GetModulesNum());
 
-    std::vector<uint32_t> input(x.GetModulesNum(3) * RAW_MODULE_SIZE);
+    std::vector<uint32_t> input(x.GetModulesNum(0) * RAW_MODULE_SIZE);
     std::vector<uint32_t> output(x.GetPixelsNum());
 
-    for (uint32_t i = 0; i < x.GetModulesNum(3) * RAW_MODULE_SIZE; i++) input[i] = i;
+    for (uint32_t i = 0; i < x.GetModulesNum(0) * RAW_MODULE_SIZE; i++) input[i] = i;
 
-    for (int i = 0; i < x.GetModulesNum(3); i++)
-        TransferModule<uint32_t, uint32_t>(output.data() + x.GetPixel0OfModule(i),
+    for (int i = 0; i < x.GetModulesNum(0); i++)
+        TransferModule<uint32_t, uint32_t>(output.data() + x.GetPixel0OfModule(i + x.GetFirstModuleOfDataStream(0)),
                                            input.data() + i * RAW_MODULE_SIZE,
-                                           (x.IsUpsideDown() ? -1 : 1) * x.GetXPixelsNum());
+                                           x.GetModuleSlowDirectionStep(i + x.GetFirstModuleOfDataStream(0)),
+                                           x.GetModuleFastDirectionStep(i + x.GetFirstModuleOfDataStream(0)));
 
     REQUIRE(output[0] == input[0]);
     REQUIRE(output[253] == input[253]);
@@ -215,25 +149,27 @@ TEST_CASE("RawToConvertedGeometry_Transform","[RawToConvertedGeometry]") {
 }
 
 TEST_CASE("RawToConvertedGeometry_Transform_AdjustMultipixels","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2, {4,4,6,6}, 0, 0, false);
+    DiffractionExperiment x(DetectorGeometry(20, 2, 0, 0, false));
+    x.DataStreams(4);
 
     x.Mode(DetectorMode::Conversion);
     x.Summation(2); // Ensure the image is 32-bit
     REQUIRE(x.GetPixelDepth() == 4);
 
-    REQUIRE(x.GetModulesNum(3) == 6);
+    REQUIRE(x.GetModulesNum(0) == 5);
     REQUIRE(x.GetPixelsNum() == CONVERTED_MODULE_SIZE * x.GetModulesNum());
 
-    std::vector<int32_t> input(x.GetModulesNum(3) * RAW_MODULE_SIZE);
+    std::vector<int32_t> input(x.GetModulesNum(0) * RAW_MODULE_SIZE);
     std::vector<int32_t> output(x.GetPixelsNum());
 
-    for (int32_t i = 0; i < x.GetModulesNum(3) * RAW_MODULE_SIZE; i++) input[i] = i % x.GetOverflow();
+    for (int32_t i = 0; i < x.GetModulesNum(0) * RAW_MODULE_SIZE; i++) input[i] = i % x.GetOverflow();
 
-    for (int i = 0; i < x.GetModulesNum(3); i++)
-        TransferModuleAdjustMultipixels<int32_t, int32_t>(output.data() + x.GetPixel0OfModule(i),
+    for (int i = 0; i < x.GetModulesNum(0); i++)
+        TransferModuleAdjustMultipixels<int32_t, int32_t>(output.data() + x.GetPixel0OfModule(i + x.GetFirstModuleOfDataStream(0)),
                                                           input.data() + i * RAW_MODULE_SIZE,
-                                                          (x.IsUpsideDown() ? -1 : 1) * x.GetXPixelsNum(),
-                                                          x.GetUnderflow(), x.GetOverflow());
+                                                          x.GetModuleSlowDirectionStep(i + x.GetFirstModuleOfDataStream(0)),
+                                                          x.GetUnderflow(), x.GetOverflow(),
+                                                          x.GetModuleFastDirectionStep(i + x.GetFirstModuleOfDataStream(0)));
 
     REQUIRE(output[0] == input[0]);
     REQUIRE(output[253] == input[253]);
@@ -276,46 +212,9 @@ TEST_CASE("RawToConvertedGeometry_Transform_AdjustMultipixels","[RawToConvertedG
     REQUIRE(output[1030*514*2 + 256] == input[512*1024*2 + 255] / 2);
 }
 
-
-TEST_CASE("RawToConvertedGeometry_Transform_AdjustMultipixelsBin2x2","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36, true);
-
-    x.Mode(DetectorMode::Conversion);
-    x.Summation(2).Binning2x2(true);
-
-    REQUIRE(x.GetPixelDepth() == 4);
-
-    std::vector<int32_t> input(x.GetModulesNum() * RAW_MODULE_SIZE);
-    std::vector<int32_t> output(x.GetPixelsNum());
-
-    for (int32_t i = 0; i < x.GetModulesNum() * RAW_MODULE_SIZE; i++)
-        input[i] = i % 98765;
-
-    for (int i = 0; i < x.GetModulesNum(); i++)
-        TransferModuleAdjustMultipixelsBin2x2<int32_t>(output.data() + x.GetPixel0OfModule(i),
-                                                          input.data() + i * RAW_MODULE_SIZE,
-                                                          (x.IsUpsideDown() ? -1 : 1) * x.GetXPixelsNum(),
-                                                          x.GetUnderflow(),
-                                                          x.GetOverflow());
-
-
-    CHECK(output[0] == input[(6*RAW_MODULE_LINES+511)*RAW_MODULE_COLS] + input[(6*RAW_MODULE_LINES+511)*RAW_MODULE_COLS+1]
-                       + input[(6*RAW_MODULE_LINES+510)*RAW_MODULE_COLS] + input[(6*RAW_MODULE_LINES+510)*RAW_MODULE_COLS+1]);
-
-    CHECK(output[124/2] == input[(6*RAW_MODULE_LINES+511)*RAW_MODULE_COLS+124] + input[(6*RAW_MODULE_LINES+511)*RAW_MODULE_COLS+125]
-                       + input[(6*RAW_MODULE_LINES+510)*RAW_MODULE_COLS+124] + input[(6*RAW_MODULE_LINES+510)*RAW_MODULE_COLS+125]);
-
-    CHECK(output[1038/2] == input[(7*RAW_MODULE_LINES+511)*RAW_MODULE_COLS] + input[(7*RAW_MODULE_LINES+511)*RAW_MODULE_COLS+1]
-                       + input[(7*RAW_MODULE_LINES+510)*RAW_MODULE_COLS] + input[(7*RAW_MODULE_LINES+510)*RAW_MODULE_COLS+1]);
-
-    CHECK(output[((514+36)/2+513/2)*x.GetXPixelsNum()] == input[(4*RAW_MODULE_LINES)*RAW_MODULE_COLS] + input[(4*RAW_MODULE_LINES)*RAW_MODULE_COLS+1]
-                       + input[(4*RAW_MODULE_LINES+1)*RAW_MODULE_COLS] + input[(4*RAW_MODULE_LINES+1)*RAW_MODULE_COLS+1]);
-    
-    CHECK(output[(x.GetYPixelsNum()-1)*x.GetXPixelsNum()] == input[0] + input[1] + input[1024] + input[1025]);
-}
-
 TEST_CASE("RawToConvertedGeometry_Transform_upside_down","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2,{4,4,6,6}, 0, 0, true);
+    DiffractionExperiment x(DetectorGeometry(24, 2, 0, 0, true));
+    x.DataStreams(4);
 
     x.Mode(DetectorMode::Conversion);
     REQUIRE(x.GetModulesNum(3) == 6);
@@ -328,7 +227,7 @@ TEST_CASE("RawToConvertedGeometry_Transform_upside_down","[RawToConvertedGeometr
     for (int i = 0; i < x.GetModulesNum(3); i++)
         TransferModule<uint32_t, uint32_t>(output + x.GetPixel0OfModule(i + x.GetFirstModuleOfDataStream(3)),
                                            input + i * RAW_MODULE_SIZE,
-                                           (x.IsUpsideDown() ? -1 : 1) * x.GetXPixelsNum());
+                                           x.GetModuleSlowDirectionStep(i + x.GetFirstModuleOfDataStream(3)));
 
     REQUIRE(output[514*1030*4+0] == input[511*1024+0]);
     REQUIRE(output[514*1030*4+253] == input[511*1024+253]);
@@ -374,11 +273,103 @@ TEST_CASE("RawToConvertedGeometry_Transform_upside_down","[RawToConvertedGeometr
     free(output);
 }
 
+TEST_CASE("RawToConvertedGeometry_TransformModule_rotate","[RawToConvertedGeometry]") {
+    std::vector<int32_t> raw_image(RAW_MODULE_SIZE);
+    std::vector<int32_t> conv_image(CONVERTED_MODULE_SIZE);
+
+    for (int i = 0; i < raw_image.size(); i++)
+        raw_image[i] = i;
+
+    TransferModule(conv_image.data(), raw_image.data(), 1, CONVERTED_MODULE_LINES, 0);
+
+    CHECK(conv_image[0] == raw_image[0]);
+    CHECK(conv_image[1] == raw_image[RAW_MODULE_COLS]);
+    CHECK(conv_image[5] == raw_image[RAW_MODULE_COLS*5]);
+    CHECK(conv_image[255] == raw_image[RAW_MODULE_COLS*255]);
+    CHECK(conv_image[256] == raw_image[RAW_MODULE_COLS*255]);
+    CHECK(conv_image[257] == raw_image[RAW_MODULE_COLS*256]);
+    CHECK(conv_image[258] == raw_image[RAW_MODULE_COLS*256]);
+    CHECK(conv_image[513] == raw_image[RAW_MODULE_COLS*511]);
+
+    CHECK(conv_image[5 * CONVERTED_MODULE_LINES] == raw_image[5]);
+    CHECK(conv_image[255 * CONVERTED_MODULE_LINES] == raw_image[255]);
+    CHECK(conv_image[256 * CONVERTED_MODULE_LINES] == raw_image[255]);
+    CHECK(conv_image[257 * CONVERTED_MODULE_LINES] == raw_image[256]);
+    CHECK(conv_image[258 * CONVERTED_MODULE_LINES] == raw_image[256]);
+    CHECK(conv_image[1029 * CONVERTED_MODULE_LINES] == raw_image[1023]);
+
+    CHECK(conv_image[CONVERTED_MODULE_SIZE-1] == raw_image[RAW_MODULE_SIZE-1]);
+}
+
+TEST_CASE("RawToConvertedGeometry_TransformModuleAdjustMultipixel_rotate","[RawToConvertedGeometry]") {
+    std::vector<int32_t> raw_image(RAW_MODULE_SIZE);
+    std::vector<int32_t> conv_image(CONVERTED_MODULE_SIZE);
+
+    for (int i = 0; i < raw_image.size(); i++)
+        raw_image[i] = i;
+
+    TransferModuleAdjustMultipixels(conv_image.data(), raw_image.data(), 1, INT32_MIN, INT32_MAX,
+                                    CONVERTED_MODULE_LINES, 0);
+
+    CHECK(conv_image[0] == raw_image[0]);
+    CHECK(conv_image[1] == raw_image[RAW_MODULE_COLS]);
+    CHECK(conv_image[5] == raw_image[RAW_MODULE_COLS*5]);
+    CHECK(conv_image[513] == raw_image[RAW_MODULE_COLS*511]);
+
+    CHECK(conv_image[255] == raw_image[RAW_MODULE_COLS*255]/2);
+    CHECK(conv_image[256] == raw_image[RAW_MODULE_COLS*255]/2);
+    CHECK(conv_image[257] == raw_image[RAW_MODULE_COLS*256]/2);
+    CHECK(conv_image[258] == raw_image[RAW_MODULE_COLS*256]/2);
+
+    CHECK(conv_image[5 * CONVERTED_MODULE_LINES] == raw_image[5]);
+    CHECK(conv_image[255 * CONVERTED_MODULE_LINES] == raw_image[255]/2);
+    CHECK(conv_image[256 * CONVERTED_MODULE_LINES] == raw_image[255]/2);
+    CHECK(conv_image[257 * CONVERTED_MODULE_LINES] == raw_image[256]/2);
+    CHECK(conv_image[258 * CONVERTED_MODULE_LINES] == raw_image[256]/2);
+    CHECK(conv_image[1029 * CONVERTED_MODULE_LINES] == raw_image[1023]);
+
+    CHECK(conv_image[CONVERTED_MODULE_SIZE-1] == raw_image[RAW_MODULE_SIZE-1]);
+}
+
+TEST_CASE("RawToConvertedGeometry_TransformModuleAdjustMultipixel_rotate_negative","[RawToConvertedGeometry]") {
+    std::vector<int32_t> raw_image(RAW_MODULE_SIZE);
+    std::vector<int32_t> conv_image(CONVERTED_MODULE_SIZE);
+
+    for (int i = 0; i < raw_image.size(); i++)
+        raw_image[i] = i;
+
+    TransferModuleAdjustMultipixels(conv_image.data(), raw_image.data(),
+                                    -1,
+                                    INT32_MIN, INT32_MAX,
+                                    -CONVERTED_MODULE_LINES,
+                                    CONVERTED_MODULE_SIZE - 1);
+
+    CHECK(conv_image[0] == raw_image[RAW_MODULE_SIZE - 1]);
+    CHECK(conv_image[1] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS]);
+    CHECK(conv_image[5] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*5]);
+    CHECK(conv_image[513] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*511]);
+
+    CHECK(conv_image[255] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*255]/2);
+    CHECK(conv_image[256] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*255]/2);
+    CHECK(conv_image[257] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*256]/2);
+    CHECK(conv_image[258] == raw_image[RAW_MODULE_SIZE - 1 - RAW_MODULE_COLS*256]/2);
+
+    CHECK(conv_image[5 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 5]);
+    CHECK(conv_image[255 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 255]/2);
+    CHECK(conv_image[256 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 255]/2);
+    CHECK(conv_image[257 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 256]/2);
+    CHECK(conv_image[258 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 256]/2);
+    CHECK(conv_image[1029 * CONVERTED_MODULE_LINES] == raw_image[RAW_MODULE_SIZE - 1 - 1023]);
+
+    CHECK(conv_image[CONVERTED_MODULE_SIZE-1] == raw_image[0]);
+}
+
 TEST_CASE("RawToConvertedGeometry","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2,{4,4,6,6}, 0, 0, true);
+    DiffractionExperiment x(DetectorGeometry(20, 2, 0, 0, true));
+    x.DataStreams(4);
 
     x.Mode(DetectorMode::Conversion);
-    REQUIRE(x.GetModulesNum(2) == 6);
+    REQUIRE(x.GetModulesNum(2) == 5);
     REQUIRE(x.GetPixelsNum() == CONVERTED_MODULE_SIZE * x.GetModulesNum());
 
     auto input = (uint32_t *) calloc(x.GetModulesNum() * RAW_MODULE_SIZE, sizeof(uint32_t));
@@ -404,10 +395,11 @@ TEST_CASE("RawToConvertedGeometry","[RawToConvertedGeometry]") {
 }
 
 TEST_CASE("RawToConvertedGeometry_int64","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2,{4,4,6,6}, 0, 0, true);
-
+    DiffractionExperiment x(DetectorGeometry(20, 2, 0, 0, true));
+    x.DataStreams(4);
     x.Mode(DetectorMode::Conversion);
-    REQUIRE(x.GetModulesNum(2) == 6);
+
+    REQUIRE(x.GetModulesNum(2) == 5);
     REQUIRE(x.GetPixelsNum() == CONVERTED_MODULE_SIZE * x.GetModulesNum());
 
     std::vector<uint32_t> input(x.GetModulesNum() * RAW_MODULE_SIZE);
@@ -428,10 +420,10 @@ TEST_CASE("RawToConvertedGeometry_int64","[RawToConvertedGeometry]") {
 }
 
 TEST_CASE("RawToConvertedGeometry_FP","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2,{4,4,6,6}, 0, 0, true);
-
+    DiffractionExperiment x(DetectorGeometry(20, 2, 0, 0, true));
+    x.DataStreams(4);
     x.Mode(DetectorMode::Conversion);
-    REQUIRE(x.GetModulesNum(2) == 6);
+    REQUIRE(x.GetModulesNum(2) == 5);
     REQUIRE(x.GetPixelsNum() == CONVERTED_MODULE_SIZE * x.GetModulesNum());
 
     std::vector<uint32_t> input(x.GetModulesNum() * RAW_MODULE_SIZE);
@@ -452,7 +444,8 @@ TEST_CASE("RawToConvertedGeometry_FP","[RawToConvertedGeometry]") {
 }
 
 TEST_CASE("RawToConvertedGeometry_Gaps","[RawToConvertedGeometry]") {
-    DiffractionExperiment x(2,{4,4}, 8, 36, true);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36, true));
+    x.DataStreams(2);
 
     x.Mode(DetectorMode::Conversion);
     REQUIRE(x.GetModulesNum(1) == 4);
@@ -481,27 +474,3 @@ TEST_CASE("RawToConvertedGeometry_Gaps","[RawToConvertedGeometry]") {
     free(output);
     free(input2);
 }
-
-TEST_CASE("RawToConvertedCoordinate","[RawToConvertedGeometry]") {
-    DiffractionExperiment experiment(2,{4,4}, 8, 36, true);
-
-    auto [x1,y1] = RawToConvertedCoordinate(experiment, 0, 0);
-    REQUIRE(x1 == 0);
-    REQUIRE(y1 == 2163);
-
-    auto [x2,y2] = RawToConvertedCoordinate(experiment, 1, RAW_MODULE_COLS-1);
-    REQUIRE(x2 == 2067);
-    REQUIRE(y2 == 2163);
-
-    auto [x3,y3] = RawToConvertedCoordinate(experiment, 6, RAW_MODULE_COLS* (RAW_MODULE_LINES-1));
-    REQUIRE(x3 == 0);
-    REQUIRE(y3 == 0);
-
-    auto [x4,y4] = RawToConvertedCoordinate(experiment, 3, RAW_MODULE_COLS*258 + 811);
-    REQUIRE(x4 == 1030+8+811 + 3*2);
-    REQUIRE(y4 == 2163-(514+36+258+2));
-
-    auto [x5,y5] = RawToConvertedCoordinate(experiment, 7, RAW_MODULE_SIZE-1);
-    REQUIRE(x5 == 2067);
-    REQUIRE(y5 == 0);
-}
diff --git a/tests/SpotFinderIntegration.cpp b/tests/SpotFinderIntegration.cpp
index bd7f4dd3..3dd32629 100644
--- a/tests/SpotFinderIntegration.cpp
+++ b/tests/SpotFinderIntegration.cpp
@@ -48,7 +48,7 @@ void naive_spot_finder(StrongPixelSet& set, const int16_t *buffer, const spot_pa
 }
 
 TEST_CASE("SpotFinder_GPU", "[GPUImageAnalysis]") {
-    DiffractionExperiment experiment(1, {1});
+    DiffractionExperiment experiment(DetectorGeometry(1));
     experiment.Mode(DetectorMode::Raw);
 
     const uint16_t nbx = 5;
@@ -115,7 +115,7 @@ TEST_CASE("SpotFinder_GPU", "[GPUImageAnalysis]") {
 }
 
 TEST_CASE("SpotFinder_GPU_Mask", "[GPUImageAnalysis]") {
-    DiffractionExperiment experiment(1, {1});
+    DiffractionExperiment experiment(DetectorGeometry(1));
     experiment.Mode(DetectorMode::Raw);
 
     const uint16_t nbx = 5;
diff --git a/tests/StreamWriterTest.cpp b/tests/StreamWriterTest.cpp
index ea2347f6..492e7a3e 100644
--- a/tests/StreamWriterTest.cpp
+++ b/tests/StreamWriterTest.cpp
@@ -21,7 +21,7 @@ TEST_CASE("StreamWriterTest_ZMQ","[JFJochWriter]") {
     grpc::ServerContext grpc_context;
     JFJochProtoBuf::Empty empty;
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     x.FilePrefix("subdir/JFJochWriterTest").NumTriggers(1).ImagesPerTrigger(5)
             .UseInternalPacketGenerator(true).Mode(DetectorMode::Raw).PedestalG0Frames(0);
 
@@ -86,7 +86,7 @@ TEST_CASE("JFJochWriterServiceTest_ZMQ","[JFJochWriter]") {
     grpc::ServerContext grpc_context;
     JFJochProtoBuf::Empty empty;
 
-    DiffractionExperiment x(1, {2});
+    DiffractionExperiment x(DetectorGeometry(2));
     x.FilePrefix("JFJochWriterTest").NumTriggers(1).ImagesPerTrigger(5)
             .UseInternalPacketGenerator(true)
             .Mode(DetectorMode::Raw).PedestalG0Frames(0);
diff --git a/tests/ZMQImagePusherTest.cpp b/tests/ZMQImagePusherTest.cpp
index 94071b25..2dda7ecf 100644
--- a/tests/ZMQImagePusherTest.cpp
+++ b/tests/ZMQImagePusherTest.cpp
@@ -56,7 +56,7 @@ TEST_CASE("ZMQImageCommTest_1Writer","[ZeroMQ]") {
 
     ZMQContext context;
     Logger logger("test");
-    DiffractionExperiment x(1,{1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::Raw);
     x.PedestalG0Frames(0).NumTriggers(1).UseInternalPacketGenerator(false).PhotonEnergy_keV(12.4)
         .ImagesPerTrigger(nframes);
@@ -123,7 +123,7 @@ TEST_CASE("ZMQImageCommTest_2Writers","[ZeroMQ]") {
 
     ZMQContext context;
     Logger logger("test");
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::Raw);
     x.PedestalG0Frames(0).NumTriggers(1).UseInternalPacketGenerator(false).PhotonEnergy_keV(12.4)
             .ImagesPerTrigger(nframes);
@@ -209,7 +209,7 @@ TEST_CASE("ZMQImageCommTest_4Writers","[ZeroMQ]") {
 
     ZMQContext context;
     Logger logger("test");
-    DiffractionExperiment x(1, {1});
+    DiffractionExperiment x(DetectorGeometry(1));
     x.Mode(DetectorMode::Raw);
     x.PedestalG0Frames(0).NumTriggers(1).UseInternalPacketGenerator(false).PhotonEnergy_keV(12.4)
             .ImagesPerTrigger(nframes);
@@ -296,8 +296,8 @@ TEST_CASE("ZMQImageCommTest_4Writers","[ZeroMQ]") {
 
 TEST_CASE("ZMQImagePuller_abort","[ZeroMQ]") {
     const size_t nframes = 256;
-    std::string zmq_addr = "inproc://#1";
-    DiffractionExperiment x, x_out(1, {1});
+    
+    DiffractionExperiment x;
     x.Mode(DetectorMode::Raw);
     x.PedestalG0Frames(0).NumTriggers(1).UseInternalPacketGenerator(false).PhotonEnergy_keV(12.4)
             .ImagesPerTrigger(nframes);
diff --git a/tests/ZMQPreviewPublisherTest.cpp b/tests/ZMQPreviewPublisherTest.cpp
index 06eb0a9a..314e9a57 100644
--- a/tests/ZMQPreviewPublisherTest.cpp
+++ b/tests/ZMQPreviewPublisherTest.cpp
@@ -13,7 +13,7 @@ TEST_CASE("ZMQPreviewPublisher","[ZSTD]") {
     socket.Connect("inproc://#5");
     socket.SubscribeAll();
 
-    DiffractionExperiment experiment(1,{1}, 0, 0, false);
+    DiffractionExperiment experiment(DetectorGeometry(1, 1, 0, 0, false));
 
     JFCalibration calibration(experiment);
     publisher.Start(experiment, calibration);
@@ -54,7 +54,7 @@ TEST_CASE("ZMQPreviewPublisher_GetPreviewImage","[ZSTD]") {
     ZMQContext context;
     ZMQPreviewPublisher publisher(context, "inproc://#5");
 
-    DiffractionExperiment experiment(1,{1}, 0, 0, false);
+    DiffractionExperiment experiment(DetectorGeometry(1, 1, 0, 0, false));
 
     JFCalibration calibration(experiment);
     publisher.Start(experiment, calibration);
diff --git a/tests/ZSTDCompressorTest.cpp b/tests/ZSTDCompressorTest.cpp
index 36d6f919..47215120 100644
--- a/tests/ZSTDCompressorTest.cpp
+++ b/tests/ZSTDCompressorTest.cpp
@@ -227,7 +227,7 @@ TEST_CASE("JFjochZstdCompressor_Frame_ones","[ZSTD]") {
 }
 
 TEST_CASE("JFJochCompressor_JFJochDecompressor_ZSTD","[ZSTD]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.Compression(JFJochProtoBuf::BSHUF_ZSTD).Summation(34);
 
     std::vector<int32_t> image(x.GetPixelsNum());
@@ -249,7 +249,7 @@ TEST_CASE("JFJochCompressor_JFJochDecompressor_ZSTD","[ZSTD]") {
 }
 
 TEST_CASE("JFJochCompressor_JFJochDecompressor_LZ4","[ZSTD]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.Compression(JFJochProtoBuf::BSHUF_LZ4).Summation(45);
 
     std::vector<int32_t> image(x.GetPixelsNum());
@@ -271,7 +271,7 @@ TEST_CASE("JFJochCompressor_JFJochDecompressor_LZ4","[ZSTD]") {
 }
 
 TEST_CASE("JFJochDecompressor_None","[ZSTD]") {
-    DiffractionExperiment x(2, {4,4}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.Compression(JFJochProtoBuf::NO_COMPRESSION).Summation(45);
 
     std::vector<int32_t> image(x.GetPixelsNum());
diff --git a/tests/gRPCServerTest.cpp b/tests/gRPCServerTest.cpp
index d90d0518..0c0b3b05 100644
--- a/tests/gRPCServerTest.cpp
+++ b/tests/gRPCServerTest.cpp
@@ -14,7 +14,7 @@
 #include "../../common/ZMQImagePusher.h"
 
 TEST_CASE("JFJochReceiver_gRPC_server", "[gRPC]") {
-    DiffractionExperiment x(2, {4});
+    DiffractionExperiment x(DetectorGeometry(4, 2));
 
     std::vector<std::unique_ptr<AcquisitionDevice>> aq_devices;
     AcquisitionDevice *test = new HLSSimulatedDevice(0, 64);
diff --git a/tools/CompressionBenchmark.cpp b/tools/CompressionBenchmark.cpp
index e6ebc66a..4646ca8c 100644
--- a/tools/CompressionBenchmark.cpp
+++ b/tools/CompressionBenchmark.cpp
@@ -23,8 +23,7 @@ std::string CheckCompression(const DiffractionExperiment &x, size_t nimages, con
     for (int i = 0; i < nimages; i++) {
         transformation.SetOutput(output.data() + i * x.GetMaxCompressedSize());
         for (int j = 0; j < x.GetModulesNum(); j++ ) {
-            transformation.ProcessModule(image.data() + (j + i * x.GetModulesNum()) * RAW_MODULE_SIZE,
-                                         i, j, 0);
+            transformation.ProcessModule(image.data() + (j + i * x.GetModulesNum()) * RAW_MODULE_SIZE, j, 0);
         }
         compressed_size += transformation.PackStandardOutput();
     }
@@ -50,8 +49,7 @@ std::string CheckDecompression(const DiffractionExperiment &x, size_t nimages, c
     for (int i = 0; i < nimages; i++) {
         transformation.SetOutput(output[i].data());
         for (int j = 0; j < x.GetModulesNum(); j++ ) {
-            transformation.ProcessModule(image.data() + (j + i * x.GetModulesNum()) * RAW_MODULE_SIZE,
-                                         i, j, 0);
+            transformation.ProcessModule(image.data() + (j + i * x.GetModulesNum()) * RAW_MODULE_SIZE, j, 0);
         }
         compressed_size[i] = transformation.PackStandardOutput();
         output[i].resize(compressed_size[i]);
@@ -91,7 +89,7 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    DiffractionExperiment x(2, {8}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     if ((file_space.GetDimensions()[1] == 2164) && (file_space.GetDimensions()[2] == 2068)) {
         std::cout << "JF4M with gaps detected (2068 x 2164)" << std::endl;
diff --git a/tools/DataAnalysisPerfTest.cpp b/tools/DataAnalysisPerfTest.cpp
index 905903c3..6c976355 100644
--- a/tools/DataAnalysisPerfTest.cpp
+++ b/tools/DataAnalysisPerfTest.cpp
@@ -236,7 +236,7 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    DiffractionExperiment x(2, {8}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     if ((file_space.GetDimensions()[1] == 2164) && (file_space.GetDimensions()[2] == 2068)) {
         logger.Info("JF4M with gaps detected (2068 x 2164)");
diff --git a/tools/HDF5DatasetWriteTest.cpp b/tools/HDF5DatasetWriteTest.cpp
index 3bcdbc70..d6e4bf9e 100644
--- a/tools/HDF5DatasetWriteTest.cpp
+++ b/tools/HDF5DatasetWriteTest.cpp
@@ -42,7 +42,7 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    DiffractionExperiment x(2, {8}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.Summation(1);
 
     // Set metadata for the compression_benchmark.h5 dataset
@@ -89,8 +89,7 @@ int main(int argc, char **argv) {
     for (int i = 0; i < nimages; i++) {
         transformation.SetOutput(output[i].data());
         for (int j = 0; j < 8; j++)
-            transformation.ProcessModule(image + (i * x.GetModulesNum() + j) * RAW_MODULE_SIZE ,
-                                         i, j, 0);
+            transformation.ProcessModule(image + (i * x.GetModulesNum() + j) * RAW_MODULE_SIZE, j, 0);
         output_size[i] = transformation.PackStandardOutput();
     }
 
diff --git a/tools/JFCalibrationPerfTest.cpp b/tools/JFCalibrationPerfTest.cpp
index 97b2664e..09f76b7e 100644
--- a/tools/JFCalibrationPerfTest.cpp
+++ b/tools/JFCalibrationPerfTest.cpp
@@ -17,7 +17,7 @@
 
 void test_pedestal(Logger &logger) {
     size_t nframes = 5000;
-    DiffractionExperiment x(1,{1});
+    DiffractionExperiment x(DetectorGeometry(1));
 
     std::vector<uint16_t> data(nframes * RAW_MODULE_SIZE);
 
@@ -53,7 +53,7 @@ template <class T> void test_conversion(Logger &logger) {
     int64_t nmodules = 8;
     int64_t ntries = 8;
 
-    DiffractionExperiment x(1,{nmodules});
+    DiffractionExperiment x((DetectorGeometry(nmodules)));
 
     std::vector<uint16_t> input(nframes * nmodules * RAW_MODULE_SIZE);
     std::vector<int16_t> output(nframes * nmodules * RAW_MODULE_SIZE);
@@ -105,7 +105,7 @@ template <class T> void test_conversion_with_geom(Logger &logger) {
     int64_t nmodules = 8;
     int64_t ntries = 8;
 
-    DiffractionExperiment x(1,{nmodules});
+    DiffractionExperiment x(DetectorGeometry(nmodules, 1, 0, 0, false));
 
     std::vector<uint16_t> input(nframes * nmodules * RAW_MODULE_SIZE);
     std::vector<int16_t> output(nframes * nmodules * CONVERTED_MODULE_SIZE);
@@ -140,7 +140,10 @@ template <class T> void test_conversion_with_geom(Logger &logger) {
         for (int i = 0; i < nframes; i++) {
             for (int m = 0; m < nmodules; m++) {
                 v[m].ConvertAdjustGeom(output.data() + (i * nmodules + m) * CONVERTED_MODULE_SIZE,
-                             input.data() + (i * nmodules + m) * RAW_MODULE_SIZE, 1);
+                             input.data() + (i * nmodules + m) * RAW_MODULE_SIZE,
+                             x.GetModuleSlowDirectionStep(m),
+                             x.GetModuleFastDirectionStep(m),
+                             0);
             }
         }
     }
diff --git a/tools/PreviewTest.cpp b/tools/PreviewTest.cpp
index ff98b3b9..cf3f08e6 100644
--- a/tools/PreviewTest.cpp
+++ b/tools/PreviewTest.cpp
@@ -31,7 +31,7 @@ int main(int argc, char **argv) {
         exit(EXIT_FAILURE);
     }
 
-    DiffractionExperiment x(2, {8}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     x.BeamX_pxl(1090).BeamY_pxl(1136).DetectorDistance_mm(75).PhotonEnergy_keV(WVL_1A_IN_KEV);
 
diff --git a/tools/RadialIntDataset.cpp b/tools/RadialIntDataset.cpp
index 7e80f0f3..e68e4496 100644
--- a/tools/RadialIntDataset.cpp
+++ b/tools/RadialIntDataset.cpp
@@ -65,7 +65,7 @@ void GetGeometry(DiffractionExperiment &x, HDF5Object &master_file) {
 int main(int argc, char **argv) {
 
     hsize_t first, last;
-    DiffractionExperiment x(2, {8}, 8, 36);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
 
     RegisterHDF5Filter();
 
diff --git a/writer/jfjoch_writer_test.cpp b/writer/jfjoch_writer_test.cpp
index 3c340141..ea55712a 100644
--- a/writer/jfjoch_writer_test.cpp
+++ b/writer/jfjoch_writer_test.cpp
@@ -25,7 +25,7 @@ int main(int argc, char **argv) {
 
     int64_t nimages_out = atoi(argv[2]);
 
-    DiffractionExperiment x(2, {8}, 8, 36, true);
+    DiffractionExperiment x(DetectorGeometry(8, 2, 8, 36));
     x.Summation(1).ImagesPerTrigger(nimages_out).Mode(DetectorMode::Conversion);
 
     HDF5File data(argv[1], false, false, false);
@@ -81,8 +81,7 @@ int main(int argc, char **argv) {
 
         transformation.SetOutput(output[i].data());
         for (int j = 0; j < x.GetModulesNum(); j++)
-            transformation.ProcessModule(image_tmp_raw.data() + j * RAW_MODULE_SIZE,
-                                         i, j, 0);
+            transformation.ProcessModule(image_tmp_raw.data() + j * RAW_MODULE_SIZE, j, 0);
         output_size[i] = transformation.PackStandardOutput();
     }