Skip to main content
Version: 7.2.0

lineOffset

描述​

¥Description

获取一个 line 对象，并返回偏移指定距离处的 line 对象。

¥Takes a line and returns a line at offset by the specified distance.

参数​

¥Parameters

名称类型描述
geojson几何图形 | 特性<LineString | MultiLineString>输入 GeoJSON
distancenumber偏移线的距离（可以为负值）
options?对象可选参数（默认 {}）
options.units?string可以是度、弧度、英里、千米、英寸、码、米（默认 'kilometers'）

返回​

¥Returns

特性<LineString | MultiLineString> 相对于输入线的线偏移量

¥Feature<LineString | MultiLineString> Line offset from the input line

示例​

¥Examples

var line = turf.lineString(
  [
    [-83, 30],
    [-84, 36],
    [-78, 41],
  ],
  { stroke: "#F00" },
);

var offsetLine = turf.lineOffset(line, 2, { units: "miles" });

安装​

¥Installation

$ npm install @turf/line-offset

import { lineOffset } from "@turf/line-offset";
const result = lineOffset(...);
$ npm install @turf/turf

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