[vtkusers] HDF5 with VTK

[Michael Rice]

Emmanuel -

I've read the responses you've received so far, but I still have 2  
questions:

1. Is your CFD data already in HDF5 format?

2. What part of HDF5 is only available on UNIX? I've used HDF5,  
including several of the HDF5 utilities, on many platforms, including  
Windows.

There is a HDF5 Mesh format and API. This is really just a formal  
specification for how to organize an HDF5 file to store a meshed  
geometry (structured or unstructured) and associated data (such as  
your flow field data).

If your data is not already in HDF5 format, I would suggest that you  
simply write a small program to convert your CFD data directly into a  
VTK native format; I think the VTK docs explain the .vtk file format.

If your data is already in HDF5 format, you might be able to use the  
H5dump utility (this is a stand alone application) to dump your data  
into an ASCII file format and then write a separate utility to convert  
this ASCII file into a .vtk file.

Michael

On Jan 22, 2008, at 10:18 AM, Ogedengbe, Emmanuel wrote:

> After installation of VTK for use with purely C++ on windows, I have  
> been struggling with how to get started with reading my CFD datasets  
> for visualization. I have done some research with HDF5 but having  
> problem with having to go into increasing number of third party  
> software and libraries. Recently, I learnt that H5utils can convert  
> HDF5 datasets into the formats required by other free visualization  
> software like VTK. But it’s only for UNIX systems, though it appears  
> help can come from CygWin .
>
> Can anyone help? I just want to visualize simple 2D/3D grid-based  
> scalar and vector flow fields simulated with my native codes.
>
>
> Thanks in anticipation
>
> Emmanuel
>
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