lineSliceAlong

描述

🌐 Description

获取一条 线、沿该线到起始 点 的指定距离，以及沿该线到终点的指定距离，并返回这两个点之间的线段子部分。

🌐 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	Feature<LineString> | LineString	输入行
startDist	number	沿线路到起点的距离
stopDist	number	沿线路径到终点的距离
options?	Object	可选参数 (默认 {})
options.units?	Units	支持所有有效的 Turf 单位 (默认 '公里')

返回

🌐 Returns

Feature<LineString> 切片线

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(...);