FYI, this change has been committed. There's now a new ivar -- MaintainStructure.
/cvsroot/ParaView3/ParaView3/Servers/ServerManager/Resources/filters.xml,v <-- Servers/ServerManager/Resources/filters.xml new revision: 1.388; previous revision: 1.387 /cvsroot/ParaView3/ParaView3/VTK/Graphics/vtkExtractBlock.cxx,v <-- VTK/Graphics/vtkExtractBlock.cxx new revision: 1.7; previous revision: 1.6 /cvsroot/ParaView3/ParaView3/VTK/Graphics/vtkExtractBlock.h,v <-- VTK/Graphics/vtkExtractBlock.h new revision: 1.3; previous revision: 1.2 Utkarsh On Thu, Feb 25, 2010 at 11:15 AM, Paul Edwards <[email protected]> wrote: > I'm terrible with names but..... If you would like to keep the > default behavior the same then I would suggest an option to "Maintain > structure". > Any good? > Thanks, > Paul > > On 25 February 2010 15:09, Utkarsh Ayachit <[email protected]> > wrote: >> >> Ah I c. I don't think there was any strong reason for trimming the >> tree down. We can definitely add that as an option as well. Any ideas >> what to call this new option :)? >> >> Utkarsh >> >> On Thu, Feb 25, 2010 at 9:57 AM, Paul Edwards <[email protected]> >> wrote: >> > Utkarsh, >> > If you do that you will end up with all the empty blocks in the >> > structure. >> > I would like to just see the extracted blocks without losing the >> > original >> > structure. >> > Regards, >> > Paul >> > >> > On 25 February 2010 14:50, Utkarsh Ayachit <[email protected]> >> > wrote: >> >> >> >> Paul, >> >> >> >> If you don't want the ExtractBlock filter to prune the output, you can >> >> always simply uncheck the "Prune Output" checkbox. >> >> >> >> Utkarsh >> >> >> >> On Thu, Feb 18, 2010 at 9:45 AM, Paul Edwards >> >> <[email protected]> >> >> wrote: >> >> > Hi, >> >> > What is the reason for pruning the structure in the "Extract Block" >> >> > filter >> >> > when there is only one child item? I output the following structure >> >> > from >> >> > the custom reader: >> >> > >> >> > output (multi-block dataset) >> >> > >> >> > zone 1 (multi-block dataset) >> >> > >> >> > volume (unstructured grid) >> >> > boundaries (multi-block dataset) >> >> > >> >> > blade (poly data) >> >> > hub (poly data) >> >> > case (poly data) >> >> > >> >> > zone 2 (multi-block dataset) >> >> > >> >> > volume (unstructured grid) >> >> > boundaries (multi-block dataset) >> >> > >> >> > blade (poly data) >> >> > hub (poly data) >> >> > case (poly data) >> >> > >> >> > If I were to extract both the blades then the resulting structured >> >> > would >> >> > be: >> >> > >> >> > output (multi-block dataset) >> >> > >> >> > blade (poly data) >> >> > blade (poly data) >> >> > >> >> > This has now lost all the information from the original structure. >> >> > Commenting out the section for the case when there is only one child >> >> > item >> >> > fixes this for me: >> >> > >> >> > >> >> > 8<-------------------------------------------------------------------------------------------------- >> >> > Index: ./VTK/Graphics/vtkExtractBlock.cxx >> >> > =================================================================== >> >> > RCS file: >> >> > /cvsroot/ParaView3/ParaView3/VTK/Graphics/vtkExtractBlock.cxx,v >> >> > retrieving revision 1.6 >> >> > diff -r1.6 vtkExtractBlock.cxx >> >> > 239,251c239,251 >> >> > < vtkMultiBlockDataSet* prunedBlock = >> >> > vtkMultiBlockDataSet::SafeDownCast(block); >> >> > < if (prunedBlock && prunedBlock->GetNumberOfBlocks()==1) >> >> > < { >> >> > < // shrink redundant branches. >> >> > < clone->SetBlock(index, prunedBlock->GetBlock(0)); >> >> > < if (prunedBlock->HasMetaData(static_cast<unsigned >> >> > int>(0))) >> >> > < { >> >> > < >> >> > clone->GetMetaData(index)->Copy(prunedBlock->GetMetaData( >> >> > < static_cast<unsigned int>(0))); >> >> > < } >> >> > < } >> >> > < else >> >> > < { >> >> > --- >> >> >> // vtkMultiBlockDataSet* prunedBlock = >> >> >> vtkMultiBlockDataSet::SafeDownCast(block); >> >> >> // if (prunedBlock && prunedBlock->GetNumberOfBlocks()==1) >> >> >> // { >> >> >> // // shrink redundant branches. >> >> >> // clone->SetBlock(index, prunedBlock->GetBlock(0)); >> >> >> // if (prunedBlock->HasMetaData(static_cast<unsigned >> >> >> int>(0))) >> >> >> // { >> >> >> // >> >> >> clone->GetMetaData(index)->Copy(prunedBlock->GetMetaData( >> >> >> // static_cast<unsigned int>(0))); >> >> >> // } >> >> >> // } >> >> >> // else >> >> >> // { >> >> > 257c257 >> >> > < } >> >> > --- >> >> >> // } >> >> > >> >> > >> >> > -------------------------------------------------------------------------------------------------->8 >> >> > Could this case be removed in the main CVS or is there a good reason >> >> > for >> >> > keeping it? (maybe an option could be added for it....) >> >> > Thanks, >> >> > Paul >> >> > _______________________________________________ >> >> > Powered by www.kitware.com >> >> > >> >> > Visit other Kitware open-source projects at >> >> > http://www.kitware.com/opensource/opensource.html >> >> > >> >> > Please keep messages on-topic and check the ParaView Wiki at: >> >> > http://paraview.org/Wiki/ParaView >> >> > >> >> > Follow this link to subscribe/unsubscribe: >> >> > http://www.paraview.org/mailman/listinfo/paraview >> >> > >> >> > >> > >> > > > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview
