lineSliceAlong

描述

¥Description

获取一个 line 对象、沿线到起点 点 的指定距离以及沿线到终点的指定距离，并返回位于这些点之间的线段。

¥Takes a line, a specified distance along the line to a start Point, and a specified distance along the line to a stop point and returns a subsection of the line in-between those points.

这对于仅提取两段距离之间的部分路线非常有用。

¥This can be useful for extracting only the part of a route between two distances.

参数

¥Parameters

名称	类型	描述
line	特性<LineString> | LineString	输入线
startDist	number	直线到起点的距离
stopDist	number	直线到终点的距离
options?	对象	可选参数（默认 {}）
options.units?	string	可以是度、弧度、英里或千米（默认 'kilometers'）

返回

¥Returns

特性<LineString> 切片线

¥Feature<LineString> sliced line

示例

¥Examples

var line = turf.lineString([
  [7, 45],
  [9, 45],
  [14, 40],
  [14, 41],
]);
var start = 12.5;
var stop = 25;
var sliced = turf.lineSliceAlong(line, start, stop, { units: "miles" });

安装

¥Installation

$ npm install @turf/line-slice-along

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

$ npm install @turf/turf

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