🚀 go-pugleaf

In article <1992Nov3.200044.3833@csx.cciw.ca>, hcp@csx.cciw.ca (H.C. Pulley) writes:
|> In article <1cphg1INN73e@fido.asd.sgi.com> gary@sgi.com writes:
|> >In article <1992Oct29.151010.7244@Princeton.EDU>, bdavis@phoenix.Princeton.EDU (William Davis) writes:
|> >|> I have a file with data points scattered in 3-D space (ground water
|> >|> polution values from wells).
|> >|> 
|> >|> For example:
|> [example deleted]
|> 
|> I am also trying to get an isosurface of points scattered in 3-space.  Mine is
|> data from a body of water.
|> 
|> >Try ReadXYZData -> Triangulate3D -> IsosurfacePyr -> Render
|> >
|> >Triangulate3D is on the ftp site and will generate a pyramid of tetras 
|> >using a 3D voronoi method. 
|> 
|> I have tried using Triangulate3D but it always exits and prints:
|> Triangulate3D: connect_tetra failed!
|> 
|> What data would cause it to print this message?  Has anyone else encountered
|> this problem?
|> 

The Known Problems says :
     KNOWN PROBLEMS
          The program  may  fail  if  four  sites  in  the  input  are
          coplanar, or if five sites are on a common sphere.

Did you try selecting the Jitter option to jitter the points to avoid the 
coplanar issues? It may or may not help. 


-- 

Gary Griffin			I just hope I'm still dreamin'
gary@sgi.com			'cause if this is for real
				I'm gonna get very depressed
Think WORLDWIDE		
						Howard T Duck