Dear Paraview Users, Is there some guidance on the treatment of data sets which contain some missing, NULL or mask data areas? For instance, if some vtkImage or vtkStructuredGrid, the data may contain some internal holes, or irregular boundary, denoted by special values, such as -9999. How can this special value be denoted, so it is avoided by filters? Is there support for the NULL data concept within the VTK data structures? If so, are these exposed within ParaView filters? I can see that a filter such as threshold could be applied to create an unstructured mesh ignoring NULL cells, or the data loader itself could perform this task, however this destroys structured data coherence. There is a NAN color menu in the color editor. How does this work? Is there some example? Is NAN detection implemented within all ParaView filters?
Any hints or suggestions are welcome! Thanking you. Sincerely, ajjp.vw
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