mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-14 16:47:55 +00:00
11 lines
399 B
JavaScript
11 lines
399 B
JavaScript
export async function analyzeGPS(readings, boundary) {
|
|
const { booleanPointInPolygon, lineString, length } = await import('https://cdn.skypack.dev/@turf/turf');
|
|
|
|
const pts = readings
|
|
.filter(r => booleanPointInPolygon(r.loc, boundary))
|
|
.sort((a, b) => a.ts - b.ts)
|
|
.map(r => r.loc);
|
|
|
|
return pts.length < 2 ? 0 : +length(lineString(pts)).toFixed(2);
|
|
}
|
|
export default analyzeGPS; |