along

描述

🌐 Description

接受一个 LineString 并在沿线的指定距离处返回一个 Point。

🌐 Takes a LineString and returns a Point at a specified distance along the line.

参数

🌐 Parameters

名称	类型	描述
line	Feature<LineString> | LineString	输入行
distance	number	沿直线的距离
options?	Object	可选参数 (默认 {})
options.units?	Units	支持所有有效的 Turf 单位。(默认 "kilometers")

返回

🌐 Returns

Feature<Point> 沿着直线标出 distance units 点

示例

🌐 Examples

var line = turf.lineString([
  [-83, 30],
  [-84, 36],
  [-78, 41],
]);
var options = { units: "miles" };

var along = turf.along(line, 200, options);

安装

🌐 Installation

$ npm install @turf/along

import { along } from "@turf/along";
const result = along(...);

$ npm install @turf/turf

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