74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
// Copyright (2019-2022) Paul Scherrer Institute
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include "RadialIntegration.h"
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#include "../common/JFJochException.h"
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RadialIntegration::RadialIntegration(const std::vector<uint16_t>& in_mapping, uint16_t in_nbins) :
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pixel_to_bin(in_mapping), nbins(in_nbins), sum(in_nbins, 0), count(in_nbins, 0)
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{}
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RadialIntegration::RadialIntegration(const RadialIntegrationMapping &mapping) :
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RadialIntegration(mapping.GetPixelToBinMapping(), mapping.GetBinNumber())
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{}
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void RadialIntegration::Clear() {
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for (auto &i : sum)
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i = 0;
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for (auto &i : count)
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i = 0;
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}
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void RadialIntegration::Process(const int16_t *data, size_t npixel) {
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if (npixel != pixel_to_bin.size())
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"Mismatch in size of pixel-to-bin mapping and image");
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for (int i = 0; i < npixel; i++) {
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auto bin = pixel_to_bin[i];
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auto value = data[i];
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if ((value > INT16_MIN + 4) && (value < INT16_MAX - 4) && (bin < nbins)) {
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sum[bin] += value;
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count[bin] += 1;
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}
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}
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}
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void RadialIntegration::ProcessOneImage(const int16_t *data, size_t npixel) {
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Clear();
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Process(data, npixel);
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}
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void RadialIntegration::GetResult(std::vector<float> &result) const {
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result.resize(nbins);
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for (int i = 0; i < nbins; i++) {
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if (count[i] > 0)
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result[i] = static_cast<float>(sum[i]) / static_cast<float>(count[i]);
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else
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result[i] = 0;
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}
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}
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const std::vector<int64_t> &RadialIntegration::GetSum() const {
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return sum;
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}
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const std::vector<int64_t> &RadialIntegration::GetCount() const {
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return count;
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}
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float RadialIntegration::GetRangeValue(uint16_t min_bin, uint16_t max_bin) {
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int64_t ret_sum = 0;
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int64_t ret_count = 0;
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for (int i = std::min(nbins,min_bin); i <= std::min((uint16_t)(nbins-1),max_bin); i++) {
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ret_sum += sum[i];
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ret_count += count[i];
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}
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if (ret_count == 0)
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return 0;
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else
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return static_cast<float>(ret_sum) / static_cast<float>(ret_count);
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} |