[vtkusers] How to get vtk file from scattered points?

[Dominik Szczerba]

if you only have points and want to see the surface you can try alpha 
shapes, see the tetrahydralization class. a comprehensive description of 
the vtk formats is to be found somewhere on the vtk.org web page (under 
technical documents I believe).
--DS

ya ya wrote:
> I just begin to learn vtk. Now something about the file format beats me.
> Recently I've learned the format of the vtk files, for example, 
> vtkImageData, vtkPolyData, vtkUnstructuredGrid etc. in the vtk 
> Userguide. But I wonder how I can gain such kinds of format? If I want 
> to create a terrian and I've got many scattered points in the form of 
> coordinate, what should I do next? Do I have to change the format into 
> vtk file format? If so, how can I change the format?  Please give me 
> some help, thank you!
> 
> 
>                                                                            
>       Ivy
> 
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-- 
Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi