mirror of
https://github.com/multipleof4/lynchmark.git
synced 2026-01-14 08:37:56 +00:00
8 lines
403 B
JavaScript
8 lines
403 B
JavaScript
async function analyzeGPS(readings,boundary){
|
|
const{turf}=await import('https://cdn.skypack.dev/@turf/turf');
|
|
const valid=readings
|
|
.filter(({loc})=>turf.booleanPointInPolygon([loc[0],loc[1]],boundary,{ignoreBoundary:true}))
|
|
.sort((a,b)=>a.ts-b.ts);
|
|
return valid.length<2?0:+turf.length(turf.lineString(valid.map(({loc})=>loc)),{units:'kilometers'}).toFixed(2);
|
|
}
|
|
export default analyzeGPS; |