rhumbBearing

Takes two points and finds the bearing angle between them along a Rhumb line i.e. the angle measured in degrees start the north line (0 degrees)
取两点，求它们之间沿 恒向线 的夹角，即从正北(0度)开始以度数衡量的夹角

参数

参数	类型	描述
start	Coord	starting Point
end	Coord	ending Point
options	Object	Optional parameters: see below

options选项

属性	类型	默认值	描述
final	boolean	false	calculates the final bearing if true

返回

number - bearing from north in decimal degrees, between -180 and 180 degrees (positive clockwise)

示例

var point1 = turf.point([-75.343, 39.984], {"marker-color": "#F00"});
var point2 = turf.point([-75.534, 39.123], {"marker-color": "#00F"});

var bearing = turf.rhumbBearing(point1, point2);