Recently, I have been working on a map project, the function of electronic fences, to judge whether the point is in the circle
Circle center coordinates {lng: 121.29947, lat: 29.573633} radius 1696.4733268003329
var m1 = new BMap.Marker(new BMap.Point(121.29940,29.573600));
var m2 = new BMap.Marker(new BMap.Point(121.29940,29.579600));
var m3 = new BMap.Marker(new BMap.Point(121.29940,29.589600));
M1 and M2 are both within the circle, and M3 is clearly not in the circle
.net/C# The screenshot of the algorithm to determine whether a point is within a circle is as follows:
I translated it from Java code lol
The Marker object code is as follows:
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Posted on 7/12/2017 3:18:49 PM
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Posted on 12/13/2019 5:00:18 PM