VTKHDF vtkStructuredGrid support

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Of all the base vtk data types, the only one remaining without a discussion or a specification is vtkStructuredGrid

While not as important as vtkRectilinearGrid (this is already discussed here https://gitlab.kitware.com/vtk/vtk/-/issues/19379), is this something VTKHDF users would be happy to use in order to read/write vtkStructuredGrid in VTKHDF format ?

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@mwestphal I believe i posted two possible example files here on the forum a while ago to work towards a specification, based on what a current vtr/vts file looks like.

You can find the examples here: Support for RectilinearGrids and StructuredGrids in VTKHDF file format

Could be a good starting point.

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Indeed, I missed that!

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Just posting on this issue to see what the status of the Structured grid VTKHDF implementation is? I am working on modernizing a high-fidelity LES CFD code that I would LOVE to be able to use pure HDF5 to write flow visualization files for ParaView. Using the pre-existing formats would result in thousands of files, which is not ideal. HDF5 would be great for this.

What is the progress of this file format? Any updates?

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Hi @cahash00,

We converge to a spec in the the linked post here : VTKHDF vtkStructuredGrid support - #2 by jpmorr . However I don’t have funding to move forward and implement it in the Spec then in the reader/writer.

if you are interested, see here: https://discourse.paraview.org/t/how-are-features-and-bug-fixes-incorporated-into-paraview/4735