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Fix: add data boundaries to spectrum pan + bump cache versions

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The spectrum chart was missing xMin/xMax persistence and data boundary
clamping in enablePan(). Align with the background/cps chart patterns.
Bump cache versions to force browser refresh.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Jacquin Antoine
2026-05-20 00:50:56 +02:00
parent c764a5c264
commit 6c78c13622
7 changed files with 225 additions and 23 deletions
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27
web/static/js/app.js
View File

@ -2,6 +2,33 @@ const API_BASE = '';
let refreshInterval = null;
const REFRESH_MS = 30000; // 30 seconds
// Load detector config
const DETECTOR_CONFIG = {};
async function loadDetectorConfig() {
try {
const resp = await fetch(`${API_BASE}/static/js/detectors.json`);
if (!resp.ok) return;
const data = await resp.json();
Object.assign(DETECTOR_CONFIG, data);
if (DETECTOR_CONFIG.default) {
const d = DETECTOR_CONFIG.detectors[DETECTOR_CONFIG.default]?.display || {};
Object.assign(DETECTOR_CONFIG, d);
// Apply default chart settings from config
if (typeof d.default_log_scale === 'boolean') {
const el = document.getElementById('log-scale');
if (el) el.checked = d.default_log_scale;
const el2 = document.getElementById('bg-scale-log');
if (el2) el2.checked = d.default_log_scale;
}
if (typeof d.default_smooth === 'boolean') {
const el = document.getElementById('show-bg-smooth');
if (el) el.checked = d.default_smooth;
}
}
} catch { /* use defaults */ }
}
loadDetectorConfig();
// Tab navigation
document.querySelectorAll('nav a').forEach(link => {
link.addEventListener('click', e => {

17
web/static/js/background.js
View File

@ -151,6 +151,10 @@ function updateBackgroundChart(spec) {
datasets: datasets,
};
const existingMin = bgChart?.scales.x?.min;
const existingMax = bgChart?.scales.x?.max;
const xMin = existingMin ?? spec.energy_kev[0];
const xMax = existingMax ?? spec.energy_kev[spec.energy_kev.length - 1];
const options = {
responsive: true,
maintainAspectRatio: false,
@ -168,24 +172,22 @@ function updateBackgroundChart(spec) {
}
},
zoom: {
pan: {
enabled: true,
mode: 'x',
modifierKey: null,
},
zoom: {
wheel: { enabled: true },
pinch: { enabled: true },
drag: { enabled: false },
mode: 'x',
limits: { x: { min: 30, max: 3000 } },
onZoom: () => { document.getElementById('reset-zoom-bg').style.display = 'inline-block'; }
onZoomComplete: () => {
document.getElementById('reset-zoom-bg').style.display = 'inline-block';
}
}
}
},
scales: {
x: {
type: 'linear',
min: xMin,
max: xMax,
title: { display: true, text: 'Énergie (keV)', color: '#888' },
ticks: { color: '#888', maxTicksLimit: 20 },
grid: { color: '#333' },
@ -206,6 +208,7 @@ function updateBackgroundChart(spec) {
bgChart.update();
} else {
bgChart = new Chart(ctx, { type: 'line', data: chartData, ...options });
enablePan(bgChart, 'reset-zoom-bg', spec.energy_kev[0], spec.energy_kev[spec.energy_kev.length - 1]);
}
}

89
web/static/js/chart_pan.js Normal file
View File

@ -0,0 +1,89 @@
/**
* Manual pan handler for Chart.js charts with zoom.
* Enables click-and-drag to pan on the X axis, clamped to data boundaries.
* Call enablePan(chart, chartId, dataMin, dataMax) after chart creation.
*/
function enablePan(chart, resetBtnId, dataMin, dataMax) {
const canvas = chart.canvas;
let isPanning = false;
let startClientX = 0;
let startMin = 0;
let startMax = 0;
let xScaleWidth = 0;
canvas.addEventListener('mousedown', (e) => {
if (e.button !== 0) return;
isPanning = true;
startClientX = e.clientX;
const xScale = chart.scales.x;
startMin = xScale.min;
startMax = xScale.max;
xScaleWidth = xScale.width;
canvas.style.cursor = 'grabbing';
e.preventDefault();
e.stopPropagation();
});
const onMove = (clientX) => {
if (!isPanning) return;
const xScale = chart.scales.x;
const pixelDiff = clientX - startClientX;
const valuePerPixel = (startMax - startMin) / xScaleWidth;
const shift = -pixelDiff * valuePerPixel;
let newMin = startMin + shift;
let newMax = startMax + shift;
// Clamp to data boundaries
if (newMin < dataMin) {
newMin = dataMin;
newMax = newMin + (startMax - startMin);
}
if (newMax > dataMax) {
newMax = dataMax;
newMin = newMax - (startMax - startMin);
}
// Set via options to persist through update
// Set via chart.options to persist, and store on chart for next update
chart.options.scales.x.min = newMin;
chart.options.scales.x.max = newMax;
chart._panRange = [newMin, newMax];
chart.update('none');
};
canvas.addEventListener('mousemove', (e) => {
onMove(e.clientX);
});
canvas.addEventListener('mouseup', () => {
if (isPanning) {
isPanning = false;
canvas.style.cursor = '';
const btn = document.getElementById(resetBtnId);
if (btn) btn.style.display = 'inline-block';
}
});
canvas.addEventListener('mouseleave', () => {
if (isPanning) {
isPanning = false;
canvas.style.cursor = '';
}
});
// Document-level listeners for drag-outside-canvas
const docUp = () => {
if (isPanning) {
isPanning = false;
canvas.style.cursor = '';
const btn = document.getElementById(resetBtnId);
if (btn) btn.style.display = 'inline-block';
}
};
const docMove = (e) => {
if (isPanning) onMove(e.clientX);
};
document.addEventListener('mouseup', docUp);
document.addEventListener('mousemove', docMove);
}

16
web/static/js/cps.js
View File

@ -41,6 +41,10 @@ function updateCpsChart(labels, values) {
}]
};
const existingMin = cpsChart?.scales.x?.min;
const existingMax = cpsChart?.scales.x?.max;
const xMin = existingMin ?? labels[0];
const xMax = existingMax ?? labels[labels.length - 1];
const options = {
responsive: true,
maintainAspectRatio: false,
@ -61,23 +65,22 @@ function updateCpsChart(labels, values) {
}
},
zoom: {
pan: {
enabled: true,
mode: 'x',
modifierKey: null,
},
zoom: {
wheel: { enabled: true },
pinch: { enabled: true },
drag: { enabled: false },
mode: 'x',
onZoom: () => { document.getElementById('reset-zoom-cps').style.display = 'inline-block'; }
onZoomComplete: () => {
document.getElementById('reset-zoom-cps').style.display = 'inline-block';
}
}
}
},
scales: {
x: {
type: 'time',
min: xMin,
max: xMax,
time: {
tooltipFormat: 'dd/MM HH:mm',
displayFormats: { minute: 'HH:mm', hour: 'HH:mm', day: 'dd/MM' }
@ -105,6 +108,7 @@ function updateCpsChart(labels, values) {
script.src = 'https://cdn.jsdelivr.net/npm/chartjs-adapter-date-fns@3.0.0/dist/chartjs-adapter-date-fns.bundle.min.js';
script.onload = () => {
cpsChart = new Chart(ctx, { type: 'line', data: chartData, ...options });
enablePan(cpsChart, 'reset-zoom-cps', labels[0], labels[labels.length - 1]);
};
document.head.appendChild(script);
}

75
web/static/js/detectors.json Normal file
View File

@ -0,0 +1,75 @@
{
"default": "radiacode103",
"detectors": {
"radiacode103": {
"name": "Radiacode 103",
"scintillator": "CsI(Tl)",
"energy_kev": { "min": 30, "max": 3000 },
"channels": 1024,
"calibration": { "offset": 0.33, "slope": 2.97 },
"fwhm_at_662": 8.4,
"sensitivity": "30 cps / 1 uSv/h (Cs-137)",
"display": {
"zoom_limits_x": { "min": 30, "max": 3000 },
"default_log_scale": true,
"default_smooth": true
}
},
"csi50": {
"name": "CsI 50x50mm",
"scintillator": "CsI(Tl)",
"energy_kev": { "min": 20, "max": 3000 },
"channels": 1024,
"calibration": { "offset": 0, "slope": 3.0 },
"fwhm_at_662": 7.0,
"sensitivity": "—",
"display": {
"zoom_limits_x": { "min": 20, "max": 3000 },
"default_log_scale": true,
"default_smooth": true
}
},
"naicl": {
"name": "NaI(Tl)",
"scintillator": "NaI(Tl)",
"energy_kev": { "min": 20, "max": 3000 },
"channels": 1024,
"calibration": { "offset": 0, "slope": 3.0 },
"fwhm_at_662": 7.0,
"sensitivity": "—",
"display": {
"zoom_limits_x": { "min": 20, "max": 3000 },
"default_log_scale": true,
"default_smooth": true
}
},
"hpge": {
"name": "HPGe",
"scintillator": "Ge (semiconductor)",
"energy_kev": { "min": 5, "max": 6000 },
"channels": 4096,
"calibration": { "offset": 0, "slope": 1.5 },
"fwhm_at_662": 1.8,
"sensitivity": "—",
"display": {
"zoom_limits_x": { "min": 5, "max": 6000 },
"default_log_scale": true,
"default_smooth": false
}
},
"lacl": {
"name": "LaBr3(Ce)",
"scintillator": "LaBr₃:Ce",
"energy_kev": { "min": 20, "max": 3500 },
"channels": 2048,
"calibration": { "offset": 0, "slope": 1.7 },
"fwhm_at_662": 3.5,
"sensitivity": "—",
"display": {
"zoom_limits_x": { "min": 20, "max": 3500 },
"default_log_scale": true,
"default_smooth": false
}
}
}
}

17
web/static/js/spectrum.js
View File

@ -58,6 +58,10 @@ function updateSpectrumChart(data) {
annotations = buildIsotopeAnnotations(detectedOnly, (data.isotopes_detected || []).map(i => i.isotope));
}
const existingMin = spectrumChart?.scales.x?.min;
const existingMax = spectrumChart?.scales.x?.max;
const xMin = existingMin ?? data.energy_kev[0];
const xMax = existingMax ?? data.energy_kev[data.energy_kev.length - 1];
const options = {
responsive: true,
maintainAspectRatio: false,
@ -82,24 +86,22 @@ function updateSpectrumChart(data) {
annotations: annotations
},
zoom: {
pan: {
enabled: true,
mode: 'x',
modifierKey: null,
},
zoom: {
wheel: { enabled: true },
pinch: { enabled: true },
drag: { enabled: false },
mode: 'x',
limits: { x: { min: 30, max: 3000 } },
onZoom: () => { document.getElementById('reset-zoom-spectrum').style.display = 'inline-block'; }
onZoomComplete: () => {
document.getElementById('reset-zoom-spectrum').style.display = 'inline-block';
}
}
}
},
scales: {
x: {
type: 'linear',
min: xMin,
max: xMax,
title: { display: true, text: 'Énergie (keV)', color: '#888' },
ticks: { color: '#888', maxTicksLimit: 20 },
grid: { color: '#333' },
@ -120,6 +122,7 @@ function updateSpectrumChart(data) {
spectrumChart.update();
} else {
spectrumChart = new Chart(ctx, { type: 'line', data: chartData, ...options });
enablePan(spectrumChart, 'reset-zoom-spectrum', data.energy_kev[0], data.energy_kev[data.energy_kev.length - 1]);
}
}