On Tue, Mar 7, 2017 at 8:10 PM, Andy Bauer <andy.ba...@kitware.com> wrote:
> Hi David, > > I'm not sure how it works with structured grids but with vtkUniformGrids > (i.e. vtkImageData with blanking) the VTK readers and writers really just > produce vtkImageData and the blanking is ignored. It may be the same with > the XML structured grid files. My suggestion would be to look at the > vtkImageDataToUniformGrid class in VTK and try doing a similar thing in > ParaView using the Python Programmable filter. > > Cheers, > Andy > > On Tue, Mar 7, 2017 at 10:22 AM, David Doria <daviddo...@gmail.com> wrote: > >> On Mon, Mar 6, 2017 at 11:14 AM, Andy Bauer <andy.ba...@kitware.com> >> wrote: >> >>> Thanks for the bug report! >>> >>> I think the stackoverflow issue is probably also related to blanking. I >>> added to your bug report with two other (likely) related issues. >>> >>> As a side note, I think if blanking was used instead of ghost cells this >>> may work properly. >>> >>> Thanks, >>> Andy >>> >>> On Mon, Mar 6, 2017 at 8:45 AM, David Doria <daviddo...@gmail.com> >>> wrote: >>> >>>> On Sun, Mar 5, 2017 at 7:05 PM, Andy Bauer <andy.ba...@kitware.com> >>>> wrote: >>>> >>>>> Hi David, >>>>> >>>>> This looks like it has to do with blanking (i.e. in PV 5.2 if I don't >>>>> load the vtkGhostType array it has the proper bounds). Would you mind >>>>> putting in a bug report on Gitlab (https://gitlab.kitware.com/pa >>>>> raview/paraview)? >>>>> >>>>> Thanks, >>>>> Andy >>>>> >>>> >>>> Done: >>>> https://gitlab.kitware.com/paraview/paraview/issues/17244 >>>> >>>> Here is another presumed bug that seems to also have to do with >>>> blanking: http://stackoverflow.com/questions/42543340/cell-l >>>> abels-in-selection-display-inspector-dont-work-when-any-cell >>>> s-are-ghosted - not trying to pollute this thread but do you think >>>> that behavior could be helpful to understand the Cell Centers issue? >>>> >>>> Thanks, >>>> >>>> David >>>> >>> >>> >> Hi Andy, >> >> The file was created with something like this: >> >> https://gist.github.com/daviddoria/8bf981aa593b7cefcd9114588e4766db >> >> Does calling >> >> structuredGrid->BlankPoint(0); >> >> not count as "using blanking"? Can you point me to the "right way" to do >> this if this is not the current best practice? >> >> Thanks! >> >> David >> > > I created a uniform grid: https://gist.github.com/daviddoria/99fa99c52aa07ee78b7e7412e74d592f https://drive.google.com/open?id=0B8yIfGqnlfSoNTNKWWtua1pEUTA Using the vtkXMLImageDataWriter seemed to write the same type of vtkGhostType array (shown in the cell data in Paraview), but Paraview doesn't seem to respect the blanking - all 8 voxels are drawn. Any other ideas? David
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