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@turf/boolean-contains - support for multipolygon inside polygon #2357

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@turf/boolean-contains - support for multipolygon inside polygon #2357

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e0d9468
add tests for multipolygon contained by polygon
Oct 31, 2022
50c196f
check for is every multipolygon inside polygon
Oct 31, 2022
e5c8a98
Merge branch 'master' into feature/boolean-contains-multipolygon
MartinP-C Nov 9, 2022
0b0d27b
Merge branch 'master' into feature/boolean-contains-multipolygon
MartinP-C Nov 6, 2023
897a794
Merge branch 'master' into feature/boolean-contains-multipolygon
MartinP-C Nov 10, 2023
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11 changes: 11 additions & 0 deletions packages/turf-boolean-contains/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -79,6 +79,8 @@ export default function booleanContains(
return isPolyInPoly(geom1, geom2);
case "MultiPoint":
return isMultiPointInPoly(geom1, geom2);
case "MultiPolygon":
return isMultiPolyInPoly(geom1, geom2);
default:
throw new Error("feature2 " + type2 + " geometry not supported");
}
Expand All @@ -103,6 +105,15 @@ export function isPolygonInMultiPolygon(
);
}

export function isMultiPolyInPoly(
polygon: Polygon,
multiPolygon: MultiPolygon
) {
return multiPolygon.coordinates.every((coords) =>
isPolyInPoly(polygon, { type: "Polygon", coordinates: coords })
);
}

export function isPointInMultiPoint(multiPoint: MultiPoint, pt: Point) {
let i;
let output = false;
Expand Down
48 changes: 48 additions & 0 deletions ...ins/test/false/MultiPolygon/Polygon/MultiPolygonIsNotContainedByPolygon.geojson
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[5.697231218450497, 39.505906288651715],
[5.697231218450497, 40.50986523812119],
[4.30801420435526, 40.50986523812119],
[4.30801420435526, 39.505906288651715],
[5.697231218450497, 39.505906288651715]
]
]
}
},
{
"type": "Feature",
"properties": null,
"geometry": {
"type": "MultiPolygon",
"coordinates": [
[
[
[3.6968994140625, 39.65645604812829],
[4.622497558593749, 39.65645604812829],
[4.622497558593749, 40.168380093142446],
[3.6968994140625, 40.168380093142446],
[3.6968994140625, 39.65645604812829]
]
],
[
[
[4.73236083984375, 39.69450749856091],
[5.416259765624999, 39.69450749856091],
[5.416259765624999, 40.386304853509046],
[4.73236083984375, 40.386304853509046],
[4.73236083984375, 39.69450749856091]
]
]
]
}
}
]
}
48 changes: 48 additions & 0 deletions ...ontains/test/true/MultiPolygon/Polygon/MultiPolygonIsContainedByPolygon.geojson
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
{
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Polygon",
"coordinates": [
[
[5.860668514226688, 40.60423664824944],
[3.248940527728166, 40.60423664824944],
[3.248940527728166, 39.35441976583036],
[5.860668514226688, 39.35441976583036],
[5.860668514226688, 40.60423664824944]
]
]
}
},
{
"type": "Feature",
"properties": null,
"geometry": {
"type": "MultiPolygon",
"coordinates": [
[
[
[3.6968994140625, 39.65645604812829],
[4.622497558593749, 39.65645604812829],
[4.622497558593749, 40.168380093142446],
[3.6968994140625, 40.168380093142446],
[3.6968994140625, 39.65645604812829]
]
],
[
[
[4.73236083984375, 39.69450749856091],
[5.416259765624999, 39.69450749856091],
[5.416259765624999, 40.386304853509046],
[4.73236083984375, 40.386304853509046],
[4.73236083984375, 39.69450749856091]
]
]
]
}
}
]
}