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KBE3D / KBCore / turf / pointOnFeature
函数: pointOnFeature()
pointOnFeature(
geojson:AllGeoJSON):Feature<Point>
Function
Takes a Feature or FeatureCollection and returns a Point guaranteed to be on the surface of the feature.
- Given a Polygon, the point will be in the area of the polygon
- Given a LineString, the point will be along the string
- Given a Point, the point will the same as the input
参数
geojson
any Feature or FeatureCollection
返回
a point on the surface of input
示例
ts
var polygon = turf.polygon([[
[116, -36],
[131, -32],
[146, -43],
[155, -25],
[133, -9],
[111, -22],
[116, -36]
]]);
var pointOnPolygon = turf.pointOnFeature(polygon);
//addToMap
var addToMap = [polygon, pointOnPolygon];