[Paraview] Update Extents

[owen.arnold at stfc.ac.uk]

I have a filter derived from vtkStructuredGrid. My filter generates a new dataset which may have extents larger than those set up by the source. For example, if my original extents are (0, 50, 0, 50, 0, 50) the filter may generate a new data set with extents of (0, 100, 0, 50, 50). I cannot find a way of updating the extents in my filter in such a way that ParaView fully renders my larger dataset. There must be a way to handle this in ParaView, but I've been unable to figure it out.

The problem has been reported before http://www.paraview.org/pipermail/paraview/2009-March/011334.html. The suggested fix hasn't worked for me.

Can anyone suggest anything, or perhaps point me towards a filter that carries out this kind of operation?

Thanks in advance.

Owen.

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