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问题描述

我有一组十进制格式的GPS坐标,我正在寻找一种在每个位置周围找到具有可变半径的圆的坐标。





将您的中心点作为开始点,您的半径作为距离,并从多个轴承从0度到360度循环。这将给你一个圈子的点,并将在极点工作,因为它使用伟大的圈子无处不在。


I have a set of GPS coordinates in decimal notation, and I'm looking for a way to find the coordinates in a circle with variable radius around each location.

Here is an example of what I need. It is a circle with 1km radius around the coordinate 47,11.

What I need is the algorithm for finding the coordinates of the circle, so I can use it in my kml file using a polygon. Ideally for python.

Any ideas?

解决方案

Use the formula for "Destination point given distance and bearing from start point" here:

http://www.movable-type.co.uk/scripts/latlong.html

with your centre point as start point, your radius as distance, and loop over a number of bearings from 0 degrees to 360 degrees. That will give you the points on a circle, and will work at the poles because it uses great circles everywhere.

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08-04 04:26
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