Jpeg Encoder in VTK?

[Steve Aulenbach]

Is anyone working on image writer classes that write directly to a "video"
format like mpeg-1, avi, etc.? It would be great to create rendered
animations directly from VTK.

Steve

----
Steve Aulenbach
EDAS/CDG
National Center for Atmospheric Research
Boulder, CO
aulenbac at ucar.edu


----- Original Message -----
From: David Gobbi <dgobbi at irus.rri.on.ca>
To: Bill Hoffman <bill.hoffman at kitware.com>
Cc: Sebastien Barre <barre at sic.sp2mi.univ-poitiers.fr>;
<chengyc at csie.nctu.edu.tw>; <vtkusers at public.kitware.com>
Sent: Thursday, March 09, 2000 09:59 AM
Subject: Re: Jpeg Encoder in VTK?


> Hi Bill,
>
> I know that some TIFF images use LWZ, but I wasn't aware that
> JPEG had any patended algorithms...
>
> More image writer classes would certainly be useful, though...
> someone could put together a repository for them to keep them
> from contaminating the main VTK code base.
>
>  - David
>
> --
>   David Gobbi, MSc                    dgobbi at irus.rri.on.ca
>   Advanced Imaging Research Group
>   Robarts Research Institute, University of Western Ontario
>
> On Thu, 9 Mar 2000, Bill Hoffman wrote:
>
> > There are some issues with using libtiff and libjpeg.
> > Both of these libraries use patented algorithms which might
> > be troublesome for commercial products based on VTK.
> >
> >
> > At 11:36 AM 3/9/00 -0500, David Gobbi wrote:
> > >Hi Julian, Sebastien,
> > >
> > >I think that a more conservative approach might be better,
> > >i.e. write a vtkJPEGWriter class that uses libjpeg.  That
> > >will a) guarantee compliance with the JPEG standard and
> > >b) be a lot easier than re-writing the JPEG code.
> > >
> > >A jpeg CODEC would also be nice, but in my opinion it should
> > >be separate from the JPEG writer.
> > >
> > >The current vtkTIFFWriter should also be replaced one of these
> > >days... it doesn't even support the baseline TIFF standard!  It
> > >would be nice if there was a compile-time options to use libtiff.
> > >
> > >Just to reiterate, any VTK image readers/writers for non-trivial
> > >file formats should be based on existing standard libraries
> > >e.g. libtiff, libjpeg, libpng, libnetcdf, etc.
> > >
> > >  - David
> > >
> > >--
> >
>
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