lineSliceAlong
描述
¥Description
Takes a line, a specified distance along the line to a start 点, and a specified distance along the line to a stop point and returns a subsection of the line in-between those points.
¥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.
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 | distance along the line to starting point |
stopDist | number | distance along the line to ending point |
options? | 对象 | 可选参数(默认 ) |
options.units? | string | can be degrees, radians, miles, or kilometers (default '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(...);