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hotfix for US state boxes

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This commit is contained in:
Marek Farkaš
2024-09-18 14:59:24 +02:00
committed by GitHub
parent 201d7bf261
commit 835cfa8352
1 changed files with 13 additions and 6 deletions
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19
server/tx_search.js
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@@ -21,15 +21,22 @@ async function loadUsStatesGeoJson() {
// Function to get bounding box of a state // Function to get bounding box of a state
function getStateBoundingBox(coordinates) { function getStateBoundingBox(coordinates) {
let minLat = Infinity, maxLat = -Infinity, minLon = Infinity, maxLon = -Infinity; let minLat = Infinity, maxLat = -Infinity, minLon = Infinity, maxLon = -Infinity;
// Check if it's a MultiPolygon or a Polygon
for (const polygon of coordinates) { for (const polygon of coordinates) {
for (const coord of polygon[0]) { // First level in case of MultiPolygon // If it's a Polygon, it won't have an extra level of arrays
const [lon, lat] = coord; const linearRings = Array.isArray(polygon[0][0]) ? polygon : [polygon];
if (lat < minLat) minLat = lat;
if (lat > maxLat) maxLat = lat; for (const ring of linearRings) {
if (lon < minLon) minLon = lon; for (const [lon, lat] of ring) {
if (lon > maxLon) maxLon = lon; if (lat < minLat) minLat = lat;
if (lat > maxLat) maxLat = lat;
if (lon < minLon) minLon = lon;
if (lon > maxLon) maxLon = lon;
}
} }
} }
return { minLat, maxLat, minLon, maxLon }; return { minLat, maxLat, minLon, maxLon };
} }