[Paraview] Can I parallelize different input files?

[Cory Quammen]

Hi Adam,

The PVTI file format should work perfectly for this application. The PVTI
file is an XML file that specifies the different pieces in the whole image
and points to the VTI images that contain the pieces. When loaded, each
piece should land on a different CPU - if you are running 12 CPUs. The
extents in your VTI files need to be defined in terms of the overall image
extent - if they aren't you'll need to modify them so that they are.

I have attached an example PVTI file with four associated VTI files that
you can use as a model to define your own PVTI file.

Please let us know if you have any trouble.

Thanks,
Cory


On Fri, Jul 10, 2015 at 9:34 AM, Adam Lyon <lyon at fnal.gov> wrote:

> Hi - I have 12 fairly large vti files (each one is a simulation of part of
> the magnetic field of my particle physics detector). Each file covers a
> distinct part of the total volume, so that all 12 together covers the whole
> thing. This would seem to be a perfect opportunity to try to parallelize
> Paraview's handling of these files - one CPU per vti file.  I have a
> machine with lots of cores at my disposal. Will Paraview recognize by
> itself that it can parallelize its operations, one CPU per vti file, or do
> I need to do something to make that happen? There's no overlap between the
> files - will that be a problem? My plan is to run a pvserver on the
> many-core CPU machine and connect to it via my Mac. Any advice would be
> helpful and appreciated!  Thanks! -- Adam
> *-----*
>
> *Adam L. Lyon*
> *Scientist; Associate Division Head for Systems for Scientific
> Applications*
>
> Scientific Computing Division & Muon g-2 Experiment
> Fermi National Accelerator Laboratory
> 630 840 5522 office
> www.fnal.gov
> lyon at fnal.gov
>
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-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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