I have a linestring that was built from points from GPX file. I've insert it to sql as geometry and when I try to run funcs on it (like STStartPoint ) I get error that line isn't valid and I need to ...
I got this XYZ server where I get my maptiles. Now, when the user is at zoom level 1 ( closest). I want it to execute a command that gets the current viewport from the map and Queries my PostGIS ...
My client wants to build a tourist site and for that he wants a backoffice for the map and the ability to draw polygons on the map (that user can see). When the user clicks on a polygon, he gets a ...
I am using ArcGIS desktop 10 and I would like to change a 2D polygon into 3D building. Does anyone have any idea from where I can download the 3D building generator tool for ArcGIS Desktop? I read ...