[vtkusers] 3D constrained delaunay triangulation

[Peter Wainwright]

On Sat, 2008-11-08 at 11:42 -0500, Bill Lorensen wrote:
> Peter,
> 
> Have you looked at
> vtkDelaunay3D http://www.vtk.org/doc/nightly/html/classvtkDelaunay3D.html
> 
> Bill

Yes, but AFAICT it cannot be *constrained* to respect a region boundary
(specified for example as a "piecewise linear complex").  If VTK can do
this I'll be over the moon... I think this is what the original poster
was asking for. (see  http://www.imr.sandia.gov/papers/imr14/si.pdf)

Peter

> 
> On Sat, Nov 8, 2008 at 4:30 AM, Peter Wainwright
> <peter.wainwright at ieee.org> wrote:
> > On Fri, 2008-11-07 at 16:41 -0800, Rapo Li wrote:
> >> Hi
> >> I'm wondering if vtk has any 3D constrained delaunay triangulation
> >> algorithms implemented. The 2D constrained delaunay triangulation
> >> works pretty well, but I need to do 3D cases. I know extension from 2D
> >> to 3D is extremely difficult, and still an open problem for mesh
> >> generation.
> > I don't know whether there is any such facility directly available in
> > VTK. I know that gmsh (http://www.geuz.org/gmsh) can be compiled with
> > tetgen (http://tetgen.berlios.de/) to create a CDT, and can output
> > meshes in the VTK file format.
> >
> > Peter
> >>
> >> Thankxx.
> >>
> >>
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