Dashboard web FastAPI + Chart.js

- 4 vues : spectre temps reel, historique detections, background, timeline CPS - API REST : /api/status, /api/spectrum/current, /api/spectrum/difference, /api/background, /api/background/spectrum, /api/history, /api/cps/timeline - Frontend vanilla JS + Chart.js (pas de Node.js, leger pour Pi 4) - Moniteur modifie pour exporter son etat dans /data/monitor_state.json et le CPS dans /data/cps_log.jsonl chaque cycle - Nouveau conteneur Docker 'web' sur port 8080 - Theme sombre, calibration energie (E = 0.33 + 2.97 * canal) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-05-19 13:33:07 +02:00
parent 27ef0727e8
commit 1e0c1a5ea5
22 changed files with 1031 additions and 2 deletions
--- a/web/static/js/spectrum.js
+++ b/web/static/js/spectrum.js
@ -0,0 +1,97 @@
+let spectrumChart = null;
+let currentSpectrumData = null;
+
+async function refreshSpectrum() {
+    const showDiff = document.getElementById('show-difference').checked;
+    const endpoint = showDiff ? '/api/spectrum/difference' : '/api/spectrum/current';
+
+    try {
+        const resp = await fetch(`${API_BASE}${endpoint}`);
+        if (!resp.ok) return;
+        const data = await resp.json();
+        currentSpectrumData = data;
+        updateSpectrumChart(data);
+        updateIsotopesTable(data.isotopes_detected || []);
+    } catch {}
+}
+
+function updateSpectrumChart(data) {
+    const logScale = document.getElementById('log-scale').checked;
+    const ctx = document.getElementById('spectrum-chart').getContext('2d');
+
+    const chartData = {
+        labels: data.energy_kev,
+        datasets: [{
+            label: data.background_subtracted ? 'Spectre (background soustrait)' : 'Spectre cumulé',
+            data: data.counts,
+            borderColor: '#4fc3f7',
+            backgroundColor: 'rgba(79, 195, 247, 0.1)',
+            borderWidth: 1,
+            pointRadius: 0,
+            fill: true,
+        }]
+    };
+
+    const options = {
+        responsive: true,
+        maintainAspectRatio: false,
+        animation: { duration: 300 },
+        plugins: {
+            legend: { labels: { color: '#e0e0e0' } },
+            tooltip: {
+                callbacks: {
+                    title: (items) => {
+                        const idx = items[0].dataIndex;
+                        return `${data.energy_kev[idx]} keV`;
+                    },
+                    label: (item) => `${item.raw.toFixed(1)} counts`
+                }
+            }
+        },
+        scales: {
+            x: {
+                type: 'linear',
+                title: { display: true, text: 'Énergie (keV)', color: '#888' },
+                ticks: { color: '#888', maxTicksLimit: 20 },
+                grid: { color: '#333' },
+            },
+            y: {
+                type: logScale ? 'logarithmic' : 'linear',
+                title: { display: true, text: 'Comptages', color: '#888' },
+                ticks: { color: '#888' },
+                grid: { color: '#333' },
+            }
+        }
+    };
+
+    if (spectrumChart) {
+        spectrumChart.data = chartData;
+        spectrumChart.options = options;
+        spectrumChart.update();
+    } else {
+        spectrumChart = new Chart(ctx, { type: 'line', data: chartData, options });
+    }
+}
+
+function updateIsotopesTable(isotopes) {
+    const container = document.getElementById('isotopes-table');
+    if (!isotopes || isotopes.length === 0) {
+        container.innerHTML = '<p style="color:#888;text-align:center;padding:8px;">Aucun isotope détecté (background uniquement)</p>';
+        return;
+    }
+
+    let html = '<h3 style="margin-bottom:8px;color:#4fc3f7;">Isotopes détectés</h3>';
+    isotopes.forEach(iso => {
+        const probColor = iso.probability > 0.9 ? '#4caf50' : iso.probability > 0.7 ? '#ff9800' : '#f44336';
+        html += `<div class="isotope-row">
+            <span class="isotope-name">${iso.isotope}</span>
+            <span class="isotope-prob" style="color:${probColor}">${(iso.probability * 100).toFixed(1)}%</span>
+            <span class="isotope-activity">${iso.activity_bq.toFixed(1)} Bq</span>
+        </div>`;
+    });
+    container.innerHTML = html;
+}
+
+// Event listeners
+document.getElementById('show-difference').addEventListener('change', refreshSpectrum);
+document.getElementById('log-scale').addEventListener('change', refreshSpectrum);