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Is there any good free Computational Geometry Library for C#,I haven't find any,Thank you!
Posted 7-May-12 7:57am
Updated 7-May-12 7:59am
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Solution 1

Look through this list:[^].

Also, "computational geometry" is not the most used term ([^]). Maybe, that was the reason for your failure to find the appropriate libraries. They do exist but are classified in different ways.

It's more likely that you mostly need analytic geometry, and the mathematical apparatus of it is linear algebra, so you should better look for linear algebra features of the libraries first.

See also:[^],[^].

pucx 8-May-12 13:12pm
I want a .NET lib to solve 2d/3d graph problems, such as convex hull,Graphical relationship contains polygon,line,circle,pline etc. not linear algebra,matrx etc.thank you.
SAKryukov 8-May-12 13:44pm
This is all linear algebra, most of it, if you still did not get it... :-)
pucx 8-May-12 13:48pm
yeah,it is still a linear algebra,but I want to find a lib like CGAL,,but it isn't use in .NET,just in C++.Thanks.
SAKryukov 8-May-12 14:00pm
I understand what you are looking for. You can wrap as much of CGAL as you want in .NET using either P/Invoke or mixed-mode C++ + C++/CLI project.
Are you familiar with those techniques?
Of course I understand if you want to avoid so much work...
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Solution 2

I'm starting an open-source Computational Geometry library for .NET here: Something based on CGAL is not suitable for my case, since I need to eventually need to use the code in commercial software and would prefer a simpler, purely managed solution, even at the cost of some performance.

So far I have the robust geometric predicates of Shewchuk ported to C#, and I'm working on a helfedge mesh representation.

Any help would be appreciated!

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