bearing
描述
¥Description
获取两个 points 并计算它们之间的地理方位角,即以度为单位测量的与北线(0 度)之间的夹角。
¥Takes two points and finds the geographic bearing between them, i.e. the angle measured in degrees from the north line (0 degrees)
参数
¥Parameters
名称 | 类型 | 描述 |
---|---|---|
start | 坐标系 | 起始点 |
end | 坐标系 | 结束点 |
options? | 对象 | 可选参数(默认 {}) |
options.final? | boolean | 如果为 true,则计算最终方位(默认为 false)。 |
返回
¥Returns
number 方位角,以十进制度表示,介于 -180 到 180 度之间(顺时针正向)
¥number bearing in decimal degrees, between -180 and 180 degrees (positive clockwise)
示例
¥Examples
var point1 = turf.point([-75.343, 39.984]);
var point2 = turf.point([-75.534, 39.123]);
var bearing = turf.bearing(point1, point2);
安装
¥Installation
$ npm install @turf/bearing
import { bearing } from "@turf/bearing";
const result = bearing(...);
$ npm install @turf/turf
import * as turf from "@turf/turf";
const result = turf.bearing(...);