You can simply call UpdatePipeline() as follows: from paraview.simple import * .... UpdatePipeline(proxy=extractSelectionSource)
This will update the extract selection filter explicitly. Look at help(UpdatePipeline) for details. Utkarsh On Sun, Apr 18, 2010 at 3:38 PM, Christian Werner <christian.wer...@rwth-aachen.de> wrote: > Hi Utkarsh, > > these are great news. I tried the python trace but not in combination with > the extraction (what I acutally do need anyway....) > > As you might remember I am working around the "lack" of possibilty to select > whole objects (cells with same RegionID). With the given > SelectionQuerySource this workaround is complete. > > There remains one issue: At some point I call an ExtractSelection() in > Python that is followed by a call to a vtk-Plugin (which writes the point > data of the selected points to disk). The resulting file is empty, because > the Extraction takes a few seconds and obviously the plugin has no valid > input when being executed. Paraview also crashes as a consequence. When I am > doing this manually (trigger ExtractSelection, wait until it's done, call > the vtk Plugin to write the point data) everything works fine. I could just > go ahead and do a dull time.sleep(3) between the extraction and the call to > the plugin, but this certainly isn't good programming style. > > What can I do instead? > > > Best regards, > Christian > > > Utkarsh Ayachit wrote: >> >> Yes, you can use the "SelectionQuerySource" to construct your query as >> follows: >> >> selection_source_540 = SelectionQuerySource( InsideOut=0, >> ArrayName='', HierarchicalLevel=-1, ProcessID=-1, ContainingCells=0, >> DoubleValues=None, HierarchicalIndex=-1, FieldType='CELL', >> ArrayComponent=0, Operator='IS_ONE_OF', TermMode='ID', >> CompositeIndex=-1, IdTypeValues=0 ) >> >> You can use the python trace recorder functionality to determine how >> to create the query. You will, however have to "Extract Selection" >> from the query (and hit apply) before the selection_source object will >> appear in the trace. >> >> Utkarsh >> >> >> On Sat, Apr 17, 2010 at 9:32 AM, Christian Werner >> <christian.wer...@rwth-aachen.de> wrote: >> >>> >>> Hello! >>> >>> Is there any chance that the new Edit->Find Data functionality is >>> available >>> in Python-Scripting? >>> >>> >>> Best regards, >>> Christian >>> _______________________________________________ >>> 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
