Files
Jungfraujoch/image_analysis/spot_finding/SpotUtils.cpp
2025-09-21 19:27:51 +02:00

50 lines
1.6 KiB
C++

// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#include "SpotUtils.h"
void CountSpots(DataMessage &msg,
const std::vector<SpotToSave> &spots,
float d_min_A) {
int64_t low_res = 0;
int64_t ice_ring = 0;
for (auto &s: spots) {
if (s.ice_ring)
ice_ring++;
if (s.d_A > d_min_A)
low_res++;
}
msg.spot_count = spots.size();
msg.spot_count_low_res = low_res;
msg.spot_count_ice_rings = ice_ring;
}
void MarkIceRings(std::vector<SpotToSave> &spots, float tolerance_q_recipA) {
std::vector<float> ice_rings_q;
for (const auto &i: ICE_RING_RES_A)
ice_rings_q.push_back(2 * M_PI / i);
for (auto &s: spots) {
auto spot_q = 2 * M_PI / s.d_A;
bool tmp = false;
for (const auto &q: ice_rings_q)
tmp |= (fabs(spot_q - q) < tolerance_q_recipA);
s.ice_ring = tmp;
}
}
void FilterSpotsByCount(std::vector<SpotToSave> &input, int64_t count) {
size_t output_size = std::min<size_t>(input.size(), count);
std::ranges::partial_sort(input, input.begin() + output_size,
std::ranges::less{}, // comparator on the projected key
[](const SpotToSave &s) {
// projection: key to compare by
return std::tuple{s.ice_ring, -s.intensity};
// false < true → non-ice first; negate intensity → higher first
});
input.resize(output_size);
}