Files
Jungfraujoch/image_analysis/indexing/FFBIDXIndexer.cpp
2025-06-10 18:14:04 +02:00

60 lines
2.1 KiB
C++

// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#include "FFBIDXIndexer.h"
void FFBIDXIndexer::SetupUnitCell(const std::optional<UnitCell> &cell) {
if (!cell.has_value())
throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
"FFBIDX requires unit cell");
CrystalLattice l1(cell.value());
Eigen::Matrix3f m;
indexer.iCellM() << l1.Vec0().x, l1.Vec0().y, l1.Vec0().z,
l1.Vec1().x, l1.Vec1().y, l1.Vec1().z,
l1.Vec2().x, l1.Vec2().y, l1.Vec2().z;
}
std::vector<CrystalLattice> FFBIDXIndexer::Run(const std::vector<Coord> &coord, size_t nspots) {
std::vector<CrystalLattice> ret;
if (nspots > coord.size())
nspots = coord.size();
if (nspots <= viable_cell_min_spots)
return ret;
assert(nspots <= MAX_SPOT_COUNT);
assert(coord.size() <= MAX_SPOT_COUNT);
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(nspots),
indexer.oCellM(),
indexer.oScoreV(),
cifssr);
// 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());
auto cell = indexer.oCell(id).colwise().reverse();
fast_feedback::refine::make_right_handed(cell);
return { CrystalLattice(
Coord(cell(0,0), cell(0,1), cell(0,2)),
Coord(cell(1,0), cell(1,1), cell(1,2)),
Coord(cell(2,0), cell(2,1), cell(2,2))
)};
}