Public
Edited
Dec 17, 2023
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turf.booleanWithin(fc.features[5], fc.features[0])
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turf.booleanWithin(fc.features[1],fc.features[0])
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booleanOverlap = turf.booleanOverlap(fc.features[1],fc.features[0])
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lineOverlapFeatures = turf.lineOverlap(fc.features[1],fc.features[0]).features.length
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line_Intersect = turf.lineIntersect(fc.features[1], fc.features[0]);
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lineIntersectFeatures = line_Intersect.features.length
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coincident = (a,b) => {
//a is the inner coincident polygon, b is the containing polygon
if (!turf.booleanOverlap(a,b)) return false;
const dissolved = turf.dissolve(turf.featureCollection([a,b]));
dissolved.features[0].geometry = turf.cleanCoords(dissolved.features[0].geometry)
return ( turf.booleanWithin(a,b) && turf.lineIntersect(a,b).features.length > 0 && turf.area(dissolved.features[0]) === turf.area(b)) ? true : false;
}
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coincident(fc.features[1], fc.features[0])
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bboxArea = turf.area(poly1)
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bboxAndChildArea = turf.area(turf.dissolve(turf.featureCollection([fc.features[1], poly1])))
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testArea = turf.area(turf.dissolve(turf.featureCollection([t.features[2],poly1])))
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bboxArea === testArea
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fc.features.push(turf.dissolve(turf.featureCollection([t.features[2],poly1])).features[0])
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Purpose-built for displays of data

Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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