[Paraview] DATA ARRAYS

[vpessoa at lncc.br]

Hi Kent.

Yes, I've written the DICOM Reader and Voxel Grow Filter.

I found the problem. I must create a vtkDataArray with all the intensities of
the Voxel Grow's output, because the contour filter uses that array (it
doesn't use the vtkImageData) as input.

Anyway, thank you for your help!
-----------------------------------------------------
Atencisamente,
Vinicius Pessôa
Laboratório Nacional de Computação Científica
+55 (24) 2233-6098
+55 (24) 8803-7061


> Quoting Kent Eschenberg <eschenbe at psc.edu>:
>
> > > I have a DICOM reader that generates a vtkImageData (with a range from
> > about
> > > -2600 to 3600). That is the source for my filter.
> >
> > Version 2.4.4 of ParaView does not have a DICOM reader. Are you using a
> > modified version of ParaView?
> >
> > > It may be relevant to say that when I run the contour filter directly
> from
> > the
> > > DICOM Reader there's no problem at all.
> > >
> > > But, I select my Voxel Grow Filter. Then, a data array with a range of 0
> -
> > 255
> > > (grayscale) is setted for that item (Contour filter PV is feeded from
> that
> > > vtkDataArray). With that, I add the value 255 (the image is already
> > > segmentated). Accept pressed, I get a segmentation fault.
> >
> > Version 2.4.4 of ParaView does not have a VoxelGrow filter either. Is this
> > another custom filter you wrote?
> >
> > It seems that your custom DICOM reader produces valid output but your
> custom
> > VoxelGrow filter does not. You need to work with whoever wrote your
> VoxelGrow
> > filter to correct the problem.
> >
> > Kent
> >
>
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----------------------------------------
Atencisamente,
Vinicius Pessôa
Laboratório Nacional de Computação Científica
+55 (24) 2233-6098
+55 (24) 8803-7061

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