lineArc
描述
🌐 Description
创建一个圆弧,该圆弧属于给定半径和中心点的圆,位于bearing1和bearing2之间;0度方位为中心点的正北方向,顺时针为正。
🌐 Creates a circular arc, of a circle of the given radius and center point, between bearing1 and bearing2; 0 bearing is North of center point, positive clockwise.
参数
🌐 Parameters
| 名称 | 类型 | 描述 |
|---|---|---|
| center | Coord | 中心点 |
| radius | number | 圆的半径 |
| bearing1 | number | 弧的第一半径的角度,十进制度数 |
| bearing2 | number | 弧的第二半径的角度(十进制度) |
| options? | Object | 可选参数 (默认 {}) |
| options.steps? | number | 将构成弧线的步数(直线段) (默认 64) |
| options.units? | Units | 支持所有有效的 Turf 单位。(默认 '公里') |
返回
🌐 Returns
Feature<LineString> 直线 弧线
示例
🌐 Examples
var center = turf.point([-75, 40]);
var radius = 5;
var bearing1 = 25;
var bearing2 = 47;
var arc = turf.lineArc(center, radius, bearing1, bearing2);
安装
🌐 Installation
$ npm install @turf/line-arc
import { lineArc } from "@turf/line-arc";
const result = lineArc(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.lineArc(...);