[vtk-developers] Patch for vtkHierarchicalBoxDataSet

[Berk Geveci]

That's awesome Matthew. I'll take a look at it soon.

-berk

2008/9/19 Matthew Turk <matthewturk at gmail.com>:
> Hi there,
>
> I'm a developer of an analysis toolkit for Adaptive Mesh Refinement
> data, and we're very interested in using VTK as a means of exploring
> that data.  After browsing through the various available classes and
> means of accessing this data, as well as reading over the plans for
> inclusion in the future, it seemed to us that our best bet for
> enabling this exploration now was to use the vtkHierarchicalBoxDataSet
> interface.  In particular, we wanted a solution that would be
> wrappable by Python, as our entry point will be via a Python-based
> toolkit, probably through TVTK.
>
> At first, we prepared a fairly extensive patch attempting to expose
> vtkAMRBox as a vtkObject, implementing the various pure virtual
> methods available there.  This would enable Python applications to
> instantiate vtkAMRBoxes, set their properties, and feed them to the
> existing vtkHierarchicalBoxDataSet::SetData(...) method.  However, the
> reference counting was problematic, and it became clear that this
> could be avoided by wrapping the creation of a vtkAMRBox.
>
> The attached, rather modest, patch implements a new method
> (vtkHierarchicalBoxDataSet::SetData(level, id, LoCorner, HiCorner,
> dataSet) ) that accepts the metadata affiliated with a vtkAMRBox and
> generates it inline to pass to the original, non-wrapped,
> vtkHierarchicalBoxDataSet::SetData(...) .
>
> I was hoping to have this considered for inclusion, as it would enable
> us to have collaborators use an off-the-shelf VTK to visualize our
> data.  If I can do anything to encourage its inclusion, please let me
> know.
>
> Thanks!
>
> Matt Turk
>
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