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new file mode 100644
index 0000000..3b2685c
Binary files /dev/null and b/raw/ROITestData/MultipleChipROI/run_d0_f0_2.raw differ
diff --git a/raw/ROITestData/MultipleChipROI/run_d1_f0_2.raw b/raw/ROITestData/MultipleChipROI/run_d1_f0_2.raw
new file mode 100644
index 0000000..48ecac0
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diff --git a/raw/ROITestData/MultipleChipROI/run_master_2.json b/raw/ROITestData/MultipleChipROI/run_master_2.json
new file mode 100644
index 0000000..41872e4
--- /dev/null
+++ b/raw/ROITestData/MultipleChipROI/run_master_2.json
@@ -0,0 +1,42 @@
+{
+    "Version": 8.0,
+    "Timestamp": "Wed Jan  7 17:07:06 2026",
+    "Detector Type": "Jungfrau",
+    "Timing Mode": "auto",
+    "Geometry": {
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+    "Pixels": {
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+        "stop offset": 0,
+        "step size": 0,
+        "dac settle time ns": 0
+    },
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+    "Receiver Rois": [
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+            "xmax": 300,
+            "ymin": 300,
+            "ymax": 600
+        }
+    ],
+    "Exposure Time": "10us",
+    "Acquisition Period": "2ms",
+    "Number of UDP Interfaces": 1,
+    "Number of Rows": 512,
+    "Readout Speed": "half_speed",
+    "Frames in File": 1,
+    "Additional JSON Header": {}
+}
\ No newline at end of file
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new file mode 100644
index 0000000..f70804d
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diff --git a/raw/ROITestData/MultipleROIs/run_d0_f0_3.raw b/raw/ROITestData/MultipleROIs/run_d0_f0_3.raw
new file mode 100644
index 0000000..006be02
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diff --git a/raw/ROITestData/MultipleROIs/run_d1_f0_0.raw b/raw/ROITestData/MultipleROIs/run_d1_f0_0.raw
new file mode 100644
index 0000000..f20eb99
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diff --git a/raw/ROITestData/MultipleROIs/run_d1_f0_3.raw b/raw/ROITestData/MultipleROIs/run_d1_f0_3.raw
new file mode 100644
index 0000000..d0f169a
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diff --git a/raw/ROITestData/MultipleROIs/run_master_0.json b/raw/ROITestData/MultipleROIs/run_master_0.json
new file mode 100644
index 0000000..58b29cf
--- /dev/null
+++ b/raw/ROITestData/MultipleROIs/run_master_0.json
@@ -0,0 +1,48 @@
+{
+    "Version": 8.0,
+    "Timestamp": "Thu Jan  8 12:06:01 2026",
+    "Detector Type": "Jungfrau",
+    "Timing Mode": "auto",
+    "Geometry": {
+        "x": 1,
+        "y": 2
+    },
+    "Image Size": 1048576,
+    "Pixels": {
+        "x": 1024,
+        "y": 512
+    },
+    "Max Frames Per File": 10000,
+    "Frame Discard Policy": "nodiscard",
+    "Frame Padding": 1,
+    "Scan Parameters": {
+        "enable": 0,
+        "dacInd": 0,
+        "start offset": 0,
+        "stop offset": 0,
+        "step size": 0,
+        "dac settle time ns": 0
+    },
+    "Total Frames": 10,
+    "Receiver Rois": [
+        {
+            "xmin": 200,
+            "xmax": 300,
+            "ymin": 100,
+            "ymax": 400
+        },
+        {
+            "xmin": 200,
+            "xmax": 300,
+            "ymin": 600,
+            "ymax": 700
+        }
+    ],
+    "Exposure Time": "10us",
+    "Acquisition Period": "2ms",
+    "Number of UDP Interfaces": 1,
+    "Number of Rows": 512,
+    "Readout Speed": "half_speed",
+    "Frames in File": 10,
+    "Additional JSON Header": {}
+}
\ No newline at end of file
diff --git a/raw/ROITestData/MultipleROIs/run_master_3.json b/raw/ROITestData/MultipleROIs/run_master_3.json
new file mode 100644
index 0000000..b6618d8
--- /dev/null
+++ b/raw/ROITestData/MultipleROIs/run_master_3.json
@@ -0,0 +1,48 @@
+{
+    "Version": 8.0,
+    "Timestamp": "Wed Jan  7 17:08:10 2026",
+    "Detector Type": "Jungfrau",
+    "Timing Mode": "auto",
+    "Geometry": {
+        "x": 1,
+        "y": 2
+    },
+    "Image Size": 1048576,
+    "Pixels": {
+        "x": 1024,
+        "y": 512
+    },
+    "Max Frames Per File": 10000,
+    "Frame Discard Policy": "nodiscard",
+    "Frame Padding": 1,
+    "Scan Parameters": {
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+        "dacInd": 0,
+        "start offset": 0,
+        "stop offset": 0,
+        "step size": 0,
+        "dac settle time ns": 0
+    },
+    "Total Frames": 1,
+    "Receiver Rois": [
+        {
+            "xmin": 200,
+            "xmax": 300,
+            "ymin": 100,
+            "ymax": 400
+        },
+        {
+            "xmin": 200,
+            "xmax": 300,
+            "ymin": 600,
+            "ymax": 700
+        }
+    ],
+    "Exposure Time": "10us",
+    "Acquisition Period": "2ms",
+    "Number of UDP Interfaces": 1,
+    "Number of Rows": 512,
+    "Readout Speed": "half_speed",
+    "Frames in File": 1,
+    "Additional JSON Header": {}
+}
\ No newline at end of file
diff --git a/raw/SingleChipROI/Data_d0_f0_0.raw b/raw/ROITestData/SingleChipROI/Data_d0_f0_0.raw
similarity index 100%
rename from raw/SingleChipROI/Data_d0_f0_0.raw
rename to raw/ROITestData/SingleChipROI/Data_d0_f0_0.raw
diff --git a/raw/SingleChipROI/Data_d0_f1_0.raw b/raw/ROITestData/SingleChipROI/Data_d0_f1_0.raw
similarity index 100%
rename from raw/SingleChipROI/Data_d0_f1_0.raw
rename to raw/ROITestData/SingleChipROI/Data_d0_f1_0.raw
diff --git a/raw/SingleChipROI/Data_master_0.json b/raw/ROITestData/SingleChipROI/Data_master_0.json
similarity index 100%
rename from raw/SingleChipROI/Data_master_0.json
rename to raw/ROITestData/SingleChipROI/Data_master_0.json