[vtkusers] ImageData to Unstructured grid

Mathieu Malaterre Mathieu.Malaterre at creatis.insa-lyon.fr
Thu Mar 20 08:39:05 EST 2003


Will,
	Do you plan to support VTK XML in ITK ? If not, I'll stay with my good 
ol' VTK file.

regards,
mathieu



Will Schroeder wrote:
> Hi Sepp-
> 
>> I have a vtkImageData object and I want to convert this into an 
>> unstructured
>> grid to use the unstructured grid writer object. Unfortunately I don't 
>> have
>> any clue how to do this. If anybody can should me a way or give me a 
>> hint I'd
>> really appreciate it. On the other hand if there is there's the 
>> possibility
>> to write the vtkImageData directly it would be sufficient too.
> 
> 
> I recommend that you use vtkXMLImageDataWriter. As a matter of fact, I 
> recommend that everybody starts using the VTK XML file formats (there 
> many supporting the spectrum of VTK data objects---you need the VTK4.2 
> release). Brad King did a great job implementing this functionality: the 
> files can be written in pieces for parallel IO, support portable 
> compression, provide random access, etc. There is a document extracted 
> from the VTK User's Guide found at 
> http://www.vtk.org/pdf/file-formats.pdf that describes them in detail 
> and gives some examples of how to use them.
> 
> Will
> 
> 
> 
> 
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-- 
Mathieu Malaterre
CREATIS
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