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14 lines
582 B
JavaScript
14 lines
582 B
JavaScript
async function analyzeGPS(readings, boundary) {
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const mod = await import('https://cdn.jsdelivr.net/npm/@turf/turf/turf.mjs');
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const turf = mod.default || mod;
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const pts = readings.filter(r => {
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const p = turf.point(r.loc);
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return turf.booleanPointInPolygon(p, boundary) && !turf.booleanPointOnPolygon(p, boundary);
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});
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if (pts.length < 2) return 0;
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pts.sort((a, b) => a.ts - b.ts);
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return Math.round(turf.length(turf.lineString(pts.map(p => p.loc)), {units: 'kilometers'}) * 100) / 100;
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}
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export default analyzeGPS;
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// Generation time: 211.389s
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// Result: FAIL
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