[Paraview] reducing load time?

[Renato N. Elias]

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

There's a "Kitware System Library" (KWSYS) inside ParaView distribution 
that could help you in writing Base64 coded strings. Take a look in 
PV3ROOT/VTK/Utilities/kwsys/ . Other good option would be using 
HDF5/Xdmf format. It's not so hard to understand and implement as well.

Regards

Renato.
> 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
>>> _______________________________________________
>>> ParaView mailing list
>>> ParaView at paraview.org
>>> http://www.paraview.org/mailman/listinfo/paraview
>>>
>>>       
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