Custom base for decoding ADC data (#163)

New function apply_custom_weights (can we find a better name) that takes
a uint16 and a NDView<double,1> of bases for the conversion. For each
supplied weight it is used as base (instead of 2) to convert from bits
to a double.

---------

Co-authored-by: siebsi <sieb.patr@gmail.com>
This commit is contained in:
Erik Fröjdh
2025-04-22 15:20:46 +02:00
committed by GitHub
parent 84aafa75f6
commit 326941e2b4
8 changed files with 204 additions and 27 deletions

View File

@ -13,6 +13,10 @@ from ._aare import ClusterFinderMT, ClusterCollector, ClusterFileSink, ClusterVe
from ._aare import fit_gaus, fit_pol1
from ._aare import Interpolator
from ._aare import apply_custom_weights
from .CtbRawFile import CtbRawFile
from .RawFile import RawFile
from .ScanParameters import ScanParameters

View File

@ -10,6 +10,8 @@
#include "aare/decode.hpp"
// #include "aare/fClusterFileV2.hpp"
#include "np_helper.hpp"
#include <cstdint>
#include <filesystem>
#include <pybind11/iostream.h>
@ -65,35 +67,54 @@ m.def("adc_sar_04_decode64to16", [](py::array_t<uint8_t> input) {
return output;
});
py::class_<CtbRawFile>(m, "CtbRawFile")
.def(py::init<const std::filesystem::path &>())
.def("read_frame",
[](CtbRawFile &self) {
size_t image_size = self.image_size_in_bytes();
py::array image;
std::vector<ssize_t> shape;
shape.reserve(2);
shape.push_back(1);
shape.push_back(image_size);
m.def(
"apply_custom_weights",
[](py::array_t<uint16_t, py::array::c_style | py::array::forcecast> &input,
py::array_t<double, py::array::c_style | py::array::forcecast>
&weights) {
py::array_t<DetectorHeader> header(1);
// Create new array with same shape as the input array (uninitialized values)
py::buffer_info buf = input.request();
py::array_t<double> output(buf.shape);
// always read bytes
image = py::array_t<uint8_t>(shape);
// Use NDViews to call into the C++ library
auto weights_view = make_view_1d(weights);
NDView<uint16_t, 1> input_view(input.mutable_data(), {input.size()});
NDView<double, 1> output_view(output.mutable_data(), {output.size()});
self.read_into(
reinterpret_cast<std::byte *>(image.mutable_data()),
header.mutable_data());
apply_custom_weights(input_view, output_view, weights_view);
return output;
});
return py::make_tuple(header, image);
})
.def("seek", &CtbRawFile::seek)
.def("tell", &CtbRawFile::tell)
.def("master", &CtbRawFile::master)
py::class_<CtbRawFile>(m, "CtbRawFile")
.def(py::init<const std::filesystem::path &>())
.def("read_frame",
[](CtbRawFile &self) {
size_t image_size = self.image_size_in_bytes();
py::array image;
std::vector<ssize_t> shape;
shape.reserve(2);
shape.push_back(1);
shape.push_back(image_size);
.def_property_readonly("image_size_in_bytes",
&CtbRawFile::image_size_in_bytes)
py::array_t<DetectorHeader> header(1);
.def_property_readonly("frames_in_file", &CtbRawFile::frames_in_file);
// always read bytes
image = py::array_t<uint8_t>(shape);
}
self.read_into(reinterpret_cast<std::byte *>(image.mutable_data()),
header.mutable_data());
return py::make_tuple(header, image);
})
.def("seek", &CtbRawFile::seek)
.def("tell", &CtbRawFile::tell)
.def("master", &CtbRawFile::master)
.def_property_readonly("image_size_in_bytes",
&CtbRawFile::image_size_in_bytes)
.def_property_readonly("frames_in_file", &CtbRawFile::frames_in_file);
}