97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include "DiffractionSpot.h"
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#include "DiffractionGeometry.h"
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#include "RawToConvertedGeometry.h"
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DiffractionSpot::DiffractionSpot(uint32_t col, uint32_t line, int64_t in_photons) {
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if (in_photons < 0) in_photons = 0;
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x = col * static_cast<float>(in_photons);
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y = line * static_cast<float>(in_photons);
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pixel_count = 1;
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photons = in_photons;
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max_photons = in_photons;
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}
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DiffractionSpot& DiffractionSpot::operator+=(const DiffractionSpot &other) {
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this->x += other.x;
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this->y += other.y;
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this->photons += other.photons;
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this->max_photons = std::max(this->max_photons, other.max_photons);
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this->pixel_count += other.pixel_count;
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return *this;
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}
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DiffractionSpot::DiffractionSpot(const SpotToSave &save) {
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x = save.x * static_cast<float>(save.intensity);
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y = save.y * static_cast<float>(save.intensity);
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pixel_count = 1;
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photons = std::lround(save.intensity);
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max_photons = save.maxc;
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}
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int64_t DiffractionSpot::Count() const {
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return photons;
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}
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int64_t DiffractionSpot::MaxCount() const {
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return max_photons;
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}
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Coord DiffractionSpot::RawCoord() const {
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return {x / (float)photons, y / (float)photons, 0};
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}
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int64_t DiffractionSpot::PixelCount() const {
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return pixel_count;
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}
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double DiffractionSpot::GetResolution(const DiffractionGeometry &geom) const {
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return geom.PxlToRes(x / (float)photons, y / (float)photons);
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}
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void DiffractionSpot::AddPixel(uint32_t col, uint32_t line, int64_t photons) {
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this->x += col * (float) photons;
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this->y += line * (float) photons;
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this->photons += photons;
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this->max_photons = std::max(this->max_photons, photons);
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this->pixel_count += 1;
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}
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void DiffractionSpot::ConvertToImageCoordinates(const DiffractionExperiment &experiment, uint16_t module_number) {
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auto c_out = RawToConvertedCoordinate(experiment, module_number, RawCoord());
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this->x = c_out.x * (float) photons;
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this->y = c_out.y * (float) photons;
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}
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SpotToSave DiffractionSpot::Export(const DiffractionGeometry &geometry) const {
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auto d = geometry.PxlToRes(x / (float)photons, y / (float)photons);
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bool ice_ring = IsIceRing(d);
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return {
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.x = x / static_cast<float>(photons),
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.y = y / static_cast<float>(photons),
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.intensity = static_cast<float>(photons),
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.maxc = max_photons,
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.d_A = d,
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.ice_ring = ice_ring,
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.indexed = false,
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};
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}
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bool DiffractionSpot::IsIceRing(float d_A) {
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// Ice ring resolution taken from:
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// Moreau, Atakisi, Thorne, Acta Cryst D77, 2021, 540,554
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// https://journals.iucr.org/d/issues/2021/04/00/tz5104/index.html
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double tol = 0.05;
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if (fabs(d_A - 3.895) < tol
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|| fabs(d_A - 3.661) < tol
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|| fabs(d_A - 3.438) < tol
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|| fabs(d_A - 2.667) < tol
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|| fabs(d_A - 2.249) < tol
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|| fabs(d_A - 2.068) < tol) {
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return true;
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}
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return false;
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} |