[Paraview] reducing load time?

[Dominik Szczerba]

On Wednesday 15 October 2008 10:48:13 pm John Doe wrote:
> Hello,
>
> Thanks for the suggestion.  I assume that for double precision I am
> doing a base64 encoding for every number in the list?  Is compression

situation is similar as with compressing images: depends.

> worthwhile for floating point data?  Are there free compression
> libraries out there?

you may want to look at hdf5, which offers zlib based compression

Dominik

>
> Juan
>
> On Wed, Oct 15, 2008 at 3:26 PM, Berk Geveci <berk.geveci at kitware.com> 
wrote:
> > ASCII XML is very slow to load because it uses the XML parser. For
> > large data, you should switch to a binary format.
> >
> > XML binary
> > legacy VTK
> > Exodus
> > Xdmf
> >
> > are a few choices.
> >
> > To see the difference in load time, save the data out as a binary vtu
> > or vtk file and load it back in.
> >
> > -berk
> >
> > On Wed, Oct 15, 2008 at 3:25 PM, John Doe <ufnoise at gmail.com> wrote:
> >> Hi,
> >>
> >> I have a 220 MB vtu file that is being loaded and it is taking at
> >> least 15 min to load the data.  Is there any option to reduce the
> >> amount of time paraview would take to load the data.  Or is there some
> >> way I should be formatting my data.  The vtu file is in the ASCII XML
> >> VTK format.
> >>
> >> Thanks,
> >>
> >> Juan
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>
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-- 
Dominik Szczerba, Ph.D.
Computational Physics Group
Foundation for Research on Information Technologies in Society
http://www.itis.ethz.ch