Have you tried Paraview? http://paraview.org/New/download.html
It runs on Macs, and it should take care of those millions points. There is a thread I sent some time ago about using GRASS, Paraview and Meshlab to create DXF TINs that could be imported into AutoCAD. It's somewhere in the Wiki, too. best Carlos On 10/17/07, William Kyngesburye <[EMAIL PROTECTED]> wrote: > Are there any limits on v.delaunay? I wanted to make a triangulation > on 300000 points, and got a lot of memory allocation errors. Does it > need to load all the points into memory? Or need a lot of extra > memory for the processing? > > OSX 10.4 with 2GB memory. GRASS 6.3cvs, fairly recent. > > Or is there some bug I'm running into? > > Any ideas on alternatives to create a triangular network of > polygons? I need to make a surface mesh that will eventually be > imported into a 3D application. And with a few million points. > > One possible source of the problem is that the points are arranged in > a regular grid pattern. I realize that a triangular network is > probably not the best for this and may be what is choking v.delaunay, > but clients seem to know what they want without understanding what > they want (we're trying to talk the client into using a raster > elevation grid). > > ----- > William Kyngesburye <kyngchaos*at*kyngchaos*dot*com> > http://www.kyngchaos.com/ > > All generalizations are dangerous, even this one. > > > _______________________________________________ > grassuser mailing list > grassuser@grass.itc.it > http://grass.itc.it/mailman/listinfo/grassuser > -- +-----------------------------------------------------------+ Carlos Henrique Grohmann - Guano Visiting Researcher at Kingston University London - UK Geologist M.Sc - Doctorate Student at IGc-USP - Brazil Linux User #89721 - carlos dot grohmann at gmail dot com +-----------------------------------------------------------+ _________________ "Good morning, doctors. I have taken the liberty of removing Windows 95 from my hard drive." --The winning entry in a "What were HAL's first words" contest judged by 2001: A SPACE ODYSSEY creator Arthur C. Clarke Can't stop the signal. _______________________________________________ grassuser mailing list grassuser@grass.itc.it http://grass.itc.it/mailman/listinfo/grassuser