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New Jitter logic for inprecise positions.

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Anton Roslund 2025-11-02 20:50:21 +01:00
parent 737eeb3120
commit 221aed8e97
1 changed files with 15 additions and 6 deletions
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21
src/public/index.html
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@ -3561,14 +3561,23 @@
//} //}
// To not have overlapping nodes. // To not have overlapping nodes.
// Should probbably check if there is allready an other node in the same position before applying jitter. var latJitter = 0;
var jitter = 0 var lonJitter = 0;
if (node.position_precision != 32) { // If position pression > 45m apply random jitter within a small circle to avoid diagonal-only displacement
jitter = 0.0005 * (Math.random() - 0.5); if (node.position_precision < 19) {
} const maxMeters = 40;
const r = maxMeters * Math.sqrt(Math.random());
const theta = 2 * Math.PI * Math.random();
const dy = r * Math.sin(theta);
const dx = r * Math.cos(theta);
const metersPerDegLat = 111320;
const metersPerDegLon = 111320 * Math.cos(node.latitude * Math.PI / 180);
latJitter = dy / metersPerDegLat;
lonJitter = metersPerDegLon ? (dx / metersPerDegLon) : 0;
}
// create node marker // create node marker
const marker = L.marker([node.latitude + jitter, longitude + jitter], { const marker = L.marker([node.latitude + latJitter, longitude + lonJitter], {
icon: icon, icon: icon,
tagName: node.node_id, tagName: node.node_id,
// zIndex: offline (-2000) < has channel_id (-1000) < others (1000) // zIndex: offline (-2000) < has channel_id (-1000) < others (1000)