[vtkusers] parallel mesh reading and writing

Karl Merkley karl at elemtech.com
Tue Jan 23 11:19:15 EST 2007


On Jan 23, 2007, at 9:06 AM, Kevin H. Hobbs wrote:

> On Tue, 2007-01-23 at 08:34 -0700, Karl Merkley wrote:
>> I have a requirement to read and write vtk structured and
>> unstructured mesh data in parallel.   These would be large data files
>> distributed on multiple nodes.   Does anyone have any "favorite" mesh
>> databases for handling this type of requirement.  There is an HDF5
>> prototype mesh API, but no one has done anything with the prototype
>> in the last 5 years.   I could use the Exodus stuff that is in vtk
>> from Sandia, but that has no explicit format for storing a structured
>> mesh.  Any other suggestions?
>>
>>      Thanks,
>>           Karl
>
> Have you looked at the vtkXMLP classes? It sounds like they do exactly
> what you want.

I will admit that I blew right past an XML based format because a of  
a preconceived notion that XML data would be too big and too slow to  
read and write large data files (>> 100M elements).    Do you have  
any data that would correct any misconceptions on my part?

    Karl






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