[vtkusers] JPEG Output for non UNSIGNED_CHAR dataset

[Marco Petrone]

Jérôme Coloos wrote:

> Hi everybody,
>
> I'm trying to make a JPEG output of my VTK window by using the
> vtkLibJPEGPacker class which I found on
> http://www.cineca.it/download/devel/index.html
>
> But it seems to work only with UNSIGNED_CHAR vtkImageData.
>
> My question is :
>
> How to transform the vtkImageData into an UNSIGNED_CHAR one ?
>
> Thank you.
>

This class makes use of the libjpeg which expects to find this type of data. I suggest you to
make use of a vtkImageCast filter to convert the input image into the right format.

Marco.
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