[postgis-users] creating polygon with convex hull

Burgholzer,Robert rwburgholzer at deq.virginia.gov
Mon Jul 30 12:24:47 PDT 2007

I am trying to convert user input in the form of a polyline into a
polygon, closing it automatically.  I am thinking that if I get a
non-closed polyline, and apply the function boundary() to it, that this
will return the line segment needed to close it. Is this a proper
understanding of this function?





Robert W. Burgholzer

Surface Water Modeler

Office of Water Supply and Planning

Virginia Department of Environmental Quality

rwburgholzer at deq.virginia.gov


Open Source Modeling Tools:


Web-Based Water Supply Planning Demo:



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