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15 lines
487 B
JavaScript
15 lines
487 B
JavaScript
async function analyzeGPS(readings, boundary) {
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const turf = await import('https://cdn.jsdelivr.net/npm/@turf/turf/+esm');
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const pts = readings
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.filter(({ loc }) => turf.booleanPointInPolygon(loc, boundary, { ignoreBoundary: true }))
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.sort((a, b) => a.ts - b.ts)
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.map(({ loc }) => loc);
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return pts.length < 2
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? 0
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: +turf.length(turf.lineString(pts), { units: 'kilometers' }).toFixed(2);
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}
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export default analyzeGPS;
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// Generation time: 36.478s
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// Result: PASS
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