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Version: Next

pointOnFeature

描述​

¥Description

Takes a Feature or FeatureCollection and returns a 点 guaranteed to be on the surface of the feature.

¥Takes a Feature or FeatureCollection and returns a Point guaranteed to be on the surface of the feature.

  • Given a 多边形, the point will be in the area of the polygon

    ¥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 点, the point will the same as the input

    ¥Given a Point, the point will the same as the input

参数​

¥Parameters

名称类型描述
geojsonGeoJSON任意要素或要素集合

返回​

¥Returns

特性<点> a point on the surface of input

¥Feature<Point> a point on the surface of input

示例​

¥Examples

var polygon = turf.polygon([
  [
    [116, -36],
    [131, -32],
    [146, -43],
    [155, -25],
    [133, -9],
    [111, -22],
    [116, -36],
  ],
]);

var pointOnPolygon = turf.pointOnFeature(polygon);

安装​

¥Installation

$ npm install @turf/point-on-feature

import { pointOnFeature } from "@turf/point-on-feature";
const result = pointOnFeature(...);
$ npm install @turf/turf

import * as turf from "@turf/turf";
const result = turf.pointOnFeature(...);