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Jungfraujoch/tools/jfjoch_azint_test.cpp
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v1.0.0-rc.148 (#58)
This is an UNSTABLE release. The release has significant modifications for data processing - in case of troubles go back to 1.0.0-rc.144.

* jfjoch_broker: Improve azimuthal integration (add <I^2> calculation)
* jfjoch_broker: Fixes around indexing, aiming to handle multi-lattice crystals (work in progress, it is not fully integrated)
* jfjoch_writer: Save mean(I), stddev(I), and count(I) for each azimuthal bin

Reviewed-on: #58
2026-06-08 08:30:35 +02:00

45 lines
1.6 KiB
C++

#include <cstdint>
#include <chrono>
#include <random>
#include "../common/DiffractionExperiment.h"
#include "../common/AzimuthalIntegrationMapping.h"
#include "../common/AzimuthalIntegrationProfile.h"
#include "../common/AzimuthalIntegrationProfile.h"
#include "../common/Logger.h"
#include "../image_analysis/azint/AzIntEngineCPU.h"
int main(int argc, char** argv) {
constexpr const uint32_t nimages = 1000;
DiffractionExperiment experiment(DetEIGER(18, 3, 36, 8));
AzimuthalIntegrationSettings azim_settings;
azim_settings.QSpacing_recipA(0.01).QRange_recipA(0.005, 5.0).AzimuthalBinCount(64);
experiment.ImportAzimuthalIntegrationSettings(azim_settings).DetectorDistance_mm(100).BeamX_pxl(1500).BeamY_pxl(1500);
PixelMask pixel_mask(experiment);
AzimuthalIntegrationMapping mapping(experiment, pixel_mask);
spdlog::info("Bins {}", mapping.GetBinNumber());
std::vector<uint16_t> image(experiment.GetPixelsNum());
std::mt19937 rng(42); // seed
std::poisson_distribution<int> poisson(20.0); // mean = 20 photons
for (auto& pixel : image)
pixel = static_cast<uint16_t>(poisson(rng));
spdlog::info("Generated image");
AzIntEngineCPU azint_engine(mapping);
AzimuthalIntegrationProfile profile(mapping);
auto start_time = std::chrono::steady_clock::now();
for (int i = 0; i < nimages; i++)
azint_engine.RunAzint(image, profile);
auto end_time = std::chrono::steady_clock::now();
auto duration = std::chrono::duration<double>(end_time - start_time).count();
spdlog::info("Time: {} ms", duration/nimages * 1000.0);
}