确定两个坐标之间的距离和路线 [英] Figuring out distance and course between two coordinates

问题描述

我有2个坐标，想做一些看似简单的事情。我想弄清楚，给定：

I have 2 coordinates and would like to do something seemingly straightforward. I want to figure out, given:

1）坐标A
2）课程由核心位置提供
3）坐标B

1) Coordinate A 2) Course provided by Core Location 3) Coordinate B

以下内容：

1）A和B之间的距离（目前可以使用distanceFromLocation完成），那个就可以了。
2）从A到B应该采取的课程（与当前旅行的课程不同）

1) Distance between A and B (can currently be done using distanceFromLocation) so ok on that one. 2) The course that should be taken to get from A to B (different from course currently traveling)

有没有一种简单的方法可以实现这一点，任何第三方或内置API？

Is there a simple way to accomplish this, any third party or built in API?

Apple似乎没有提供此功能，但我可能错了。

Apple doesn't seem to provide this but I could be wrong.

谢谢，
~Arash

Thanks, ~Arash

编辑：

感谢快速回复，我相信那里可能有些困惑，我希望得到路线（从点a到点b以度为单位，使得0度=北，90度=东，类似于CLLocation返回的路线值。不试图计算实际转弯转向指示。

Thanks for the fast responses, I believe there may have been some confusion, I am looking to get the course (bearing from point a to point b in degrees so that 0 degrees = north, 90 degrees = east, similar to the course value return by CLLocation. Not trying to compute actual turn by turn directions.

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