Files
Jungfraujoch/image_analysis/IndexerWrapper.cpp
2024-04-20 13:41:41 +02:00

74 lines
2.4 KiB
C++

// Copyright (2019-2024) Paul Scherrer Institute
#include "IndexerWrapper.h"
#define MAX_SPOT_COUNT_INDEXING 50
void IndexerWrapper::Setup(const UnitCell &cell) {
#ifdef JFJOCH_USE_CUDA
indexer.iCellM() = CrystalLattice(cell).GetEigenMatrix();
#endif
}
std::vector<IndexingResult> IndexerWrapper::Run(const std::vector<Coord> &coord, float indexing_threshold) {
#ifdef JFJOCH_USE_CUDA
std::vector<IndexingResult> ret;
if (coord.size() <= min_spots)
return ret;
assert(coord.size() < MAX_SPOT_COUNT);
size_t nspots = std::min<size_t>(MAX_SPOT_COUNT_INDEXING, coord.size());
for (int i = 0; i < coord.size(); i++) {
indexer.spotX(i) = coord[i].x;
indexer.spotY(i) = coord[i].y;
indexer.spotZ(i) = coord[i].z;
}
// Index
indexer.index(1, nspots);
fast_feedback::refine::indexer_ifssr<float>::refine(indexer.spotM().topRows(coord.size()),
indexer.oCellM(),
indexer.oScoreV(),
fast_feedback::refine::config_ifssr<float>{});
// Find cell most similar to the current one
for (unsigned i=0u; i<cpers.max_output_cells; i++)
indexer.oScore(i) += fast_feedback::refine::cell_similarity(indexer.oCell(i), indexer.iCell(0), 0.02f);
// Get best cell
auto id = fast_feedback::refine::best_cell(indexer.oScoreV());
bool indexed = fast_feedback::refine::is_viable_cell(indexer.oCell(id), indexer.Spots(), indexing_threshold, 9);
// Check if result is viable
if (indexed) {
auto cell = indexer.oCell(id).colwise().reverse();
fast_feedback::refine::make_right_handed(cell);
// get indexed spots
using M3x = Eigen::MatrixX3<float>;
M3x resid = indexer.spotM().topRows(coord.size()) * cell.transpose();
const M3x miller = round(resid.array());
const M3x predicted = miller * cell.transpose().inverse();
IndexingResult result;
result.l = CrystalLattice(cell);
result.predicted_spots.resize(coord.size());
for (int i = 0; i < coord.size(); i++)
result.predicted_spots[i] = Coord(predicted.coeff(i, 0),
predicted.coeff(i, 1),
predicted.coeff(i, 2));
ret.emplace_back(result);
}
return ret;
#else
return {};
#endif
}