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Are there any opensource librarys for doing geometry operations (union, intersect, relation...) in .Net?

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5 Answers 5

up vote 9 down vote accepted

I believe that NTS, The .NET Topology Suite contains code capable of doing geometry operations on GIS structures. It's a .NET port of JTS.

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you might try SharpMap, or more specificially, the Net Topology Suite, which is the .net port of the JTS (java topology suite).

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I think sharpmap also uses JTS as the backend for many procedures, but adds more IO and mapping functionality –  WolfOdrade Oct 20 '10 at 16:29
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See MapWindow : www.mapwindow.org

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Clipper from Angus Johnson: http://www.angusj.com/delphi/clipper.php http://sourceforge.net/projects/polyclipping/files/

Same library is available as both C#, C++ and Delphi source code.

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