Question

Convert a distance measurement (assuming a spherical Earth) from a real-world unit into radians Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
将距离测量(假设地球为球体)从真实的单位转换为弧度的有效单位：miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet。

> npm install @turf/helpers

参数

参数	类型	描述
distance	number	in real units
units	string	can be degrees, radians, miles, or kilometers inches, yards, metres, meters, kilometres, kilometers.

返回

number - radians

turf.lengthToRadians(6671704.814011974, 'meters');  // 1.0471975511965976