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Fix heatmap for towers with CID=0 or no geocoded coordinates

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The monitored tower may have CID=0 (partially decoded cell) which
OpenCellID can't geocode, leaving it without coordinates. The heatmap
now falls back through: monitored tower by ARFCN, any geocoded tower,
then observer location. Also tracks the monitored ARFCN so the fallback
can find the right tower even when CID matching fails.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Smittix
2026-02-08 21:27:36 +00:00
parent e03ba3f5ed
commit 0c656cff2b
1 changed files with 56 additions and 23 deletions
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79
templates/gsm_spy_dashboard.html
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@@ -1818,6 +1818,7 @@
let heatmapLayer = null;
let heatmapVisible = false;
let heatmapLastRefresh = 0;
let monitoredArfcn = null;
// Statistics
let stats = {
@@ -2168,6 +2169,7 @@
updateScanStatus('Scan #' + data.scan + ' complete (' + data.towers_found + ' towers, ' + data.duration + 's)');
document.getElementById('scanProgressBar').style.width = '100%';
} else if (data.type === 'auto_monitor_started') {
monitoredArfcn = data.arfcn;
showMonitorStatus(data.arfcn);
console.log('[GSM SPY] Auto-monitor started on ARFCN', data.arfcn);
} else if (data.type === 'monitor_heartbeat') {
@@ -3172,6 +3174,48 @@
}
}
function findTowerCoords(cid, lac) {
// Try exact CID+LAC match first
for (const key in towers) {
const t = towers[key];
if (Number(t.cid) === cid && Number(t.lac) === lac &&
t.lat && t.lon && !isNaN(parseFloat(t.lat)) && !isNaN(parseFloat(t.lon))) {
return [parseFloat(t.lat), parseFloat(t.lon)];
}
}
return null;
}
function findFallbackCoords() {
// 1) Try the monitored tower (by ARFCN)
if (monitoredArfcn !== null) {
for (const key in towers) {
const t = towers[key];
if (Number(t.arfcn) === Number(monitoredArfcn) &&
t.lat && t.lon && !isNaN(parseFloat(t.lat)) && !isNaN(parseFloat(t.lon))) {
console.log(`[GSM SPY] Heatmap: using monitored tower ARFCN ${monitoredArfcn} coords as fallback`);
return [parseFloat(t.lat), parseFloat(t.lon)];
}
}
}
// 2) Try any geocoded tower
for (const key in towers) {
const t = towers[key];
if (t.lat && t.lon && !isNaN(parseFloat(t.lat)) && !isNaN(parseFloat(t.lon))) {
console.log(`[GSM SPY] Heatmap: using tower CID ${t.cid} coords as fallback`);
return [parseFloat(t.lat), parseFloat(t.lon)];
}
}
// 3) Fall back to observer location
const obsLat = parseFloat(document.getElementById('obsLat').value);
const obsLon = parseFloat(document.getElementById('obsLon').value);
if (!isNaN(obsLat) && !isNaN(obsLon)) {
console.log('[GSM SPY] Heatmap: using observer location as fallback');
return [obsLat, obsLon];
}
return null;
}
async function updateHeatmap() {
try {
const response = await fetch('/gsm_spy/crowd_density?hours=1');
@@ -3188,39 +3232,28 @@
const points = [];
let maxIntensity = 1;
let matched = 0;
let unmatched = 0;
const fallbackCoords = findFallbackCoords();
data.forEach(item => {
const itemCid = Number(item.cid);
const itemLac = Number(item.lac);
let found = false;
const intensity = item.unique_devices || 1;
if (intensity > maxIntensity) maxIntensity = intensity;
for (const key in towers) {
const t = towers[key];
if (Number(t.cid) === itemCid && Number(t.lac) === itemLac) {
if (t.lat && t.lon && !isNaN(parseFloat(t.lat)) && !isNaN(parseFloat(t.lon))) {
const intensity = item.unique_devices || 1;
if (intensity > maxIntensity) maxIntensity = intensity;
points.push([parseFloat(t.lat), parseFloat(t.lon), intensity]);
found = true;
} else {
console.log(`[GSM SPY] Heatmap: tower CID ${itemCid} LAC ${itemLac} has no coordinates yet`);
}
break;
}
// Try exact CID+LAC tower match
const coords = findTowerCoords(itemCid, itemLac);
if (coords) {
points.push([coords[0], coords[1], intensity]);
} else if (fallbackCoords) {
// Tower not geocoded or CID=0 — use fallback location
points.push([fallbackCoords[0], fallbackCoords[1], intensity]);
}
if (found) matched++;
else unmatched++;
});
console.log(`[GSM SPY] Heatmap: ${matched} matched, ${unmatched} unmatched, ${points.length} points with coords`);
console.log(`[GSM SPY] Heatmap: ${points.length} points from ${data.length} density records`);
if (points.length === 0) {
if (!heatmapVisible) {
console.warn('[GSM SPY] Heatmap: density data exists but no towers have coordinates. Wait for geocoding.');
}
console.warn('[GSM SPY] Heatmap: no plottable points (no tower coords and no fallback)');
return false;
}