How to use js in the front-end interface function of electronic fence is to specify the four points, to the four by drawing a rectangle area, and then determine a pass from the server if the coordinates of the point within the fence,

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Electronic fence

CodePudding user response:

The first thing you have to have a map is also able to export the four points of latitude and longitude coordinates, and then there are ready-made point is inside the polygon source if you are not welcome to chat I one wu 83 Wu Siwu zero Wu Er wu