[vtkusers] Create Structured Point Set?

[Bryn Lloyd]

Is your data a surface? Is there data associated with the polydata?

What do you expect marching cubes to give you? (lines?)


You could use vtkContourFilter, it works on any kind of vtkDataSet, i.e. 
polydata...

http://www.vtk.org/doc/nightly/html/classvtkContourFilter.html

--Bryn




David Doria wrote:
> I am reading in a vtp file and then trying to run the vtkMarchingCubes 
> filter. It says the input is of type vtkPolyData, but a vtkImageData is 
> required.
> 
> I tried to use vtkMarchingContourFilter and it says no data to contour.
> 
> It makes sense that the points should be on a structured grid, but how 
> do I create one?
> 
> Thanks,
> 
> David
> 
> 
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-- 
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Bryn Lloyd
Computer Vision Laboratory
ETH Zürich, Sternwartstrasse 7
CH - 8092 Zürich, Switzerland
Tel: +41 44 63 26668
Fax: +41 44 63 21199
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