[vtkusers] Volume mesh of an object with convexe and concave regions

[Tim Hutton]

Stanislava,

You could try some form of surface reconstruction. This code is
already written for VTK which should save you time:
http://www.sq3.org.uk/powercrust

>From the image you sent it looks like it would work. However, the best
results should be obtained from your marching cubes approach since the
original image is a volume. Maybe you need to fill the contours before
running vtkMarchingCubes?

Tim

On 6/10/05, Torsten Sadowski <moehl at akaflieg.extern.tu-berlin.de> wrote:
> Have a look at this. Maybe it does what you need.
> 
> Torsten
> 
> 
> http://www.ices.utexas.edu/~jessica/software/index.html
> 
> On Fri, 10 Jun 2005 syssboxx-vtk at yahoo.fr wrote:
> 
> > Hi vtk users,
> > I have to visualize a head from contours of MRI images.I tried Delaunay from a txt file with set of points with coordinates.My object has concave and convexe regions,so for the convexes it gives a good results but for the others it's terrible!! (I jointed the result) Is there a way to apply some other filter after Delaunay for improve the result in the concaves. I tried also MarchingCubes applied on the volume with the contours but results are neither good.
> > That's the best choice for this  kind of object to get best result and the same time I want a mesh over the originaly points.
> >
> > Thanks for your suggestions
> >
> > Stanislava
> >
> >
> >
> >
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-- 
Tim Hutton  -  http://www.sq3.org.uk