95 lines
2.8 KiB
C++
95 lines
2.8 KiB
C++
// SPDX-FileCopyrightText: 2025 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 "JFJochAzIntImageView.h"
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#include <QVBoxLayout>
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#include "../../common/JFJochException.h"
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JFJochAzIntImageView::JFJochAzIntImageView(QWidget *parent)
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: JFJochImage(parent) {
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}
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void JFJochAzIntImageView::Clear() {
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W = 0;
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H = 0;
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image_fp.clear();
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if (scene())
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scene()->clear();
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}
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// data: size = azimuthal_bins * q_bins
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// Layout: q varies fastest (i % q_bins == q index)
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void JFJochAzIntImageView::SetData(const std::vector<float> &data,
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const std::vector<float> &in_phi,
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const std::vector<float> &in_q,
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int azimuthal_bins) {
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if (azimuthal_bins <= 0) {
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Clear();
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throw std::runtime_error("azimuthal_bins <= 0");
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}
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int q_bins = data.size() / azimuthal_bins;
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if (q_bins <= 0 || in_phi.size() != data.size() || in_q.size() != data.size()) {
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Clear();
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"Mismatch in input size");
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}
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float local_min = range_min, local_max = range_max;
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if (auto_range) {
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local_min = std::numeric_limits<float>::infinity();
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local_max = -std::numeric_limits<float>::infinity();
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for (float v : data) {
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if (std::isfinite(v)) {
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if (v < local_min) local_min = v;
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if (v > local_max) local_max = v;
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}
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}
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if (!std::isfinite(local_min) || !std::isfinite(local_max) || local_max <= local_min) {
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Clear();
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return;
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}
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} else {
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if (!(std::isfinite(local_min) && std::isfinite(local_max) && local_max > local_min)) {
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Clear();
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return;
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}
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}
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phi = in_phi;
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q = in_q;
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// Update base class members
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W = q_bins;
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H = azimuthal_bins;
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image_fp = data;
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// Update foreground/background for color mapping
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background = local_min;
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foreground = local_max;
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// Generate pixmap and redraw using base class functionality
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GeneratePixmap();
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Redraw();
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}
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void JFJochAzIntImageView::mouseHover(QMouseEvent* event) {
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if (!scene() || W == 0 || H == 0) return;
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QPointF scenePos = mapToScene(event->pos());
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int x = static_cast<int>(scenePos.x());
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int y = static_cast<int>(scenePos.y());
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if (x >= 0 && x < static_cast<int>(W) && y >= 0 && y < static_cast<int>(H)) {
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size_t idx = y * W + x;
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QString statusText = QString("Q: %1 Å^-1 phi: %2° value: %3")
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.arg(QString::number(q[idx], 'f', 3))
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.arg(QString::number(phi[idx], 'f', 3))
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.arg(QString::number(image_fp[idx], 'f', 3));
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emit writeStatusBar(statusText, 0);
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}
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} |