[CIG-LONG] Visualization with SNAC, how do I know how the mesh was decomposed?

[Mark Fleharty]

Eunseo,

Great, thank you very much.  I was able to convert the files with
snac2vtk and it displays correctly in paraview.

Thanks,

Mark

On Tue, Jan 20, 2009 at 4:44 PM, Eunseo Choi <echoi at ldeo.columbia.edu> wrote:
> Mark Fleharty wrote:
>> Hello,
>>
>> I'm trying to visualize some output from Snac.  The output is from
>> cookbook1.xml which has a mesh of 21x6x41.  I've run it on 40
>> processors and now I'm trying to convert it to VTK format.
>>
>> I ran:
>> snac2vtk 20 5 40 4 1 8          (I was unsure how the subdivision
>> would actually happen here)
>> This produced the vts, and pvts files, but when I read them in
>> paraview I get a complaint:
>>
>>> following extents:
>>>    0 19  0 4  8 39
>>> The UpdateExtent cannot be filled.
>>>
>>
>> Any ideas?
>>
>>
> Hello, Mark
>
> SNAC does not directly write the processor numbers in each dimension.
> Instead, the domain decomposition info should be retrieved from the
> file, "sim.0".
>
> sim.0 contains a single line composed of three numbers.
> Each number is the element number of a subdomain in the x, y, and z
> direction.
> For instance, if your sim.0 file has 4 5 5, it means 5 and 8 processors
> were assigned to x and z direction (of course, 1 for y).
> Verification is trivial: 4*5=20 and 5*8=40, where 20 and 40 are the
> global element number of your mesh.
>
> In this case, the correct usage of snac2vtk would be
> snac2vtk 21 6 41 5 1 8.
>
> Cheers,
> Eunseo
>
>> Thanks,
>>
>> Mark
>>
>>
>
>
> --
> =====================================
> Eunseo Choi
> Post-Doctoral Research Scientist
>
> Lamont-Doherty Earth Observatory
> 303f Oceanography
> P.O. Box 1000
> 61 Rt. 9W
> Palisades, NY 10964-8000
>
> http://www.ldeo.columbia.edu/~echoi
> Phone: 845-365-8813 Fax: 845-365-8156
> =====================================
>
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-- 
Mark Fleharty
+1 505 217-2089