Here goes another one from TerraLib: 
http://www.dpi.inpe.br/terralib/html/v320/html/group___math_const.html

>  -------Original Message-------
>  From: Wolf Bergenheim <wolf+gr...@bergenheim.net>
>  Subject: Re: [OSGeo-Discuss] RE: Open source TIN code?
>  Sent: Mar 02 '09 19:46
>  
>  Again this is GPL, not BSD, but GRASS GIS has TIN support:
>  
>  http://grass.osgeo.org/grass64/manuals/html64_user/v.delaunay.html
>  
>  --Wolf
>  
>  On 02.03.2009 20:34, Traian Stanev wrote:
>  > Not sure about the BSD licensing part, but here are some cool TIN 
> triangulators which are open source.
>  >
>  >
>  > This one (Streaming Delaunay) has BSD-like license, but may be overkill 
> for what you need:
>  >
>  > http://www.cs.unc.edu/~isenburg/sd/
>  >
>  >
>  > This one (FIST) has nebulous licensing (different for commercial and 
> non-commercial uses):
>  >
>  > http://www.cosy.sbg.ac.at/~held/projects/triang/triang.html
>  >
>  >
>  > And finally, this one is pretty good, but also has unclear licensing:
>  >
>  > http://www.cs.cmu.edu/~quake/triangle.html
>  >
>  >
>  >
>  > Traian
>  >
>  >
>  >
>  >
>  > -----Original Message-----
>  > From: discuss-boun...@lists.osgeo.org 
> [mailto:discuss-boun...@lists.osgeo.org] On Behalf Of Michael P. Gerlek
>  > Sent: Monday, March 02, 2009 1:17 PM
>  > To: 'OSGeo Discussions'
>  > Subject: [OSGeo-Discuss] Open source TIN code?
>  >
>  > The Community has need of BSD-licensed source code for TIN generation (in 
> 3-space).  It doesn't have to be 
"really good", just good enough for some simple demo apps (for example, full-on 
Delauney support not needed).
>  >
>  > I know there are a bunch of TIN algs out there on the net in various 
> places, but I don't have much experience 
with any of them.  If anyone has any pointers, I'd appreciate it.
>  >
>  > Thanks --
>  >
>  > -mpg
>  >
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>  --
>  
>  <:3 )---- Wolf Bergenheim ----( 8:>
>  
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