[vtkusers] Writing a JPEG from vtkActor

[Amy Squillacote]

Try using either vtkImageCast or vtkImageShiftScale to change your 
image data to contain either unsigned char or unsigned short data.

- Amy

At 08:58 AM 12/20/2005, Dominik Szczerba wrote:
>What is the error? I try to do the same with vtkPNGWriter ending up with:
>
>vtkPNGWriter (0x8058948): PNGWriter only supports unsigned char and
>unsigned short inputs
>
>Meanwhile I try to figure out how to do the appropriate convertion in vtk.
>--dsz
>
>Marlos Fabris wrote:
> > Hi,
> >
> > I'm trying to write a jpeg file (using vtkJPEGWriter) from a vtkActor
> > but I can't accomplish this. I have a vtk file with structured points
> > data and I wish to transform to vtkPolyData and color it with my
> > vtkLookupTable.
> >
> > Is there a way to convert only my vtkActor to a vtkImageData, without
> > the frameborders of vtkWindowToImageFilter?
> >
> > Or is there a way to trim my image?
> >
> > Thank you in advance,
> >
> > Marlos Fabris
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>--
>Dominik Szczerba, Dr.
>ETZ C110 CO-ME/BIWI CH-8092 Zurich
>http://www.vision.ee.ethz.ch/~domi
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