nearestPointToLine
描述
¥Description
返回 collection 点中距离 line 最近的 point。返回的点具有 dist
属性,指示其与直线的距离。
¥Returns the closest point, of a collection of points,
to a line. The returned point has a dist
property indicating its distance to the line.
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
points | FeatureCollection | GeometryCollection<点> | 点集合 |
line | 特性 | 几何图形<LineString> | 线要素 |
options? | 对象 | 可选参数(默认 {}) |
options.units? | string | 输出距离属性的单位(例如:度、弧度、英里或公里)(默认 'kilometers') |
options.properties? | 对象 | 将属性转换为点(默认 {}) |
返回
¥Returns
¥Feature<Point> the closest point
示例
¥Examples
var pt1 = turf.point([0, 0]);
var pt2 = turf.point([0.5, 0.5]);
var points = turf.featureCollection([pt1, pt2]);
var line = turf.lineString([
[1, 1],
[-1, 1],
]);
var nearest = turf.nearestPointToLine(points, line);
安装
¥Installation
$ npm install @turf/nearest-point-to-line
import { nearestPointToLine } from "@turf/nearest-point-to-line";
const result = nearestPointToLine(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.nearestPointToLine(...);