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turf-intersect
Advanced tools
find the intersection of spatial features
turf.intersect(poly1, poly2)
Takes two Polygon|polygons and finds their intersection. If they share a border, returns the border; if they don't intersect, returns undefined.
parameter | type | description |
---|---|---|
poly1 | Feature.<Polygon> | the first polygon |
poly2 | Feature.<Polygon> | the second polygon |
var poly1 = {
"type": "Feature",
"properties": {
"fill": "#0f0"
},
"geometry": {
"type": "Polygon",
"coordinates": [[
[-122.801742, 45.48565],
[-122.801742, 45.60491],
[-122.584762, 45.60491],
[-122.584762, 45.48565],
[-122.801742, 45.48565]
]]
}
}
var poly2 = {
"type": "Feature",
"properties": {
"fill": "#00f"
},
"geometry": {
"type": "Polygon",
"coordinates": [[
[-122.520217, 45.535693],
[-122.64038, 45.553967],
[-122.720031, 45.526554],
[-122.669906, 45.507309],
[-122.723464, 45.446643],
[-122.532577, 45.408574],
[-122.487258, 45.477466],
[-122.520217, 45.535693]
]]
}
}
var polygons = {
"type": "FeatureCollection",
"features": [poly1, poly2]
};
var intersection = turf.intersect(poly1, poly2);
//=polygons
//=intersection
Returns Feature.<Polygon>,Feature.<MultiLineString>
, if poly1
and poly2
overlap, returns a Polygon feature representing the area they overlap; if poly1
and poly2
do not overlap, returns undefined
; if poly1
and poly2
share a border, a MultiLineString of the locations where their borders are shared
Requires nodejs.
$ npm install turf-intersect
$ npm test
FAQs
find the intersection of spatial features
The npm package turf-intersect receives a total of 7,898 weekly downloads. As such, turf-intersect popularity was classified as popular.
We found that turf-intersect demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 9 open source maintainers collaborating on the project.
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