Try adding the executive tag the the xml for the reader. I am guessing ParaView is replacing your executive with the compositedatapipeline when it instantiates it.
David E DeMarle Kitware, Inc. R&D Engineer 21 Corporate Drive Clifton Park, NY 12065-8662 Phone: 518-881-4909 On Mon, Nov 14, 2011 at 12:22 PM, Fred Fred <[email protected]> wrote: > Ok but I suppose I don't do it as I should because > the CopyDefaultInformation() is never executed. > > I put these lines at the beginning of my class constructor: > { > vtkMyStreamingDemandDrivenPipeline *executive = > vtkMyStreamingDemandDrivenPipeline::New(); > this->SetExecutive(executive); > ... > > and I make a printf here: > > //---------------------------------------------------------------------------- > void > vtkMyStreamingDemandDrivenPipeline > ::CopyDefaultInformation(vtkInformation* request, int direction, > vtkInformationVector** inInfoVec, > vtkInformationVector* outInfoVec) > { > // Let the superclass copy first. > this->Superclass::CopyDefaultInformation(request, direction, > inInfoVec, outInfoVec); > > if(request->Has(REQUEST_INFORMATION())) > { > if(this->GetNumberOfInputPorts() > 0) > { > // my stuff > } > > for (int obj=0 ; obj<3 ; obj++) { > vtkInformation* outInfo = outInfoVec->GetInformationObject(obj); > int whole_ext[6]; > outInfo->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), > whole_ext); > printf("Executive: %d %d %d %d %d %d\n", whole_ext[0], whole_ext[1], > whole_ext[2], whole_ext[3], whole_ext[4], whole_ext[5]); > } > > ... > } > > but nothing prints and I still get the same error. > > >> From: [email protected] >> Date: Mon, 14 Nov 2011 10:31:27 -0500 >> Subject: Re: [Paraview] Whole extend issue >> To: [email protected] >> CC: [email protected] > >> >> Looks to me like a bug/feature of the VTK pipeline. Apparently it >> expects whole extents to be the same for all input structured data >> sets. >> >> See how just before vtkExecutive runs the algorithm's Request*() >> methods in vtkExecutive::CallAlgorithm() it calls >> CopyDefaultInformation(). In >> vtkStreamingDemandDrivenPipeline::CopyDefaultInformation() copies the >> first input's whole extent to all outputs. >> >> You might get around this by making your own executive with it's own >> CopyDefaultInformation(). >> >> The actual error comes later at the start of the RequestUpdateExtent() >> pass when vtkStreamingDemandDrivenPipeline::VerifyOutputInformation() >> happens. >> >> David E DeMarle >> Kitware, Inc. >> R&D Engineer >> 21 Corporate Drive >> Clifton Park, NY 12065-8662 >> Phone: 518-881-4909 >> >> >> >> On Sat, Nov 12, 2011 at 5:17 AM, Fred Fred <[email protected]> wrote: >> > I really do not understand how PV/VTK works! >> > I get this error: >> > ERROR: In >> > >> > /usr/local/ParaView-3.10.1/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx, >> > line 882 >> > vtkPVPostFilterExecutive (0x12a1c6b00): The update extent specified in >> > the >> > information for output port 0 on algorithm vtkPVPostFilter(0x12a1c60c0) >> > is 0 >> > 24 0 34 0 232, which is outside the whole extent 0 96 0 20 0 63. >> > but if I print the values at the end of RequestData() I get different >> > values: >> > int uExtent[6]; >> > >> > >> > this->GetExecutive()->GetOutputInformation(0)->Get(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), >> > uExtent); >> > printf("Extent: %d", uExtent[0]); >> > for (int i=1 ; i<5 ; i++) printf(" %d", uExtent[i]); >> > printf(" %d\n", uExtent[5]); >> > >> > >> > this->GetExecutive()->GetOutputInformation(0)->Get(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(), >> > uExtent); >> > printf("Update: %d", uExtent[0]); >> > for (int i=1 ; i<5 ; i++) printf(" %d", uExtent[i]); >> > printf(" %d\n", uExtent[5]); >> > prints: >> > Extent: 0 24 0 34 0 232 >> > Update: 0 24 0 34 0 232 >> > Please help! >> > ________________________________ >> > From: [email protected] >> > To: [email protected] >> > Date: Fri, 11 Nov 2011 12:08:24 +0100 >> > Subject: [Paraview] Whole extend issue >> > >> > Hello, >> > I have a filter inherited from vtkUnstructuredGridAlgorithm, with 2 >> > inputs >> > of type vtkStructuredGrid and 3 outputs, 1 and 2 are just copies of the >> > input and the third one is of type vtkUnstructuredGrid. >> > I copy input0 to output0 like this: >> > vtkInformation *in0Info = inputVector[0]->GetInformationObject(0); >> > vtkStructuredGrid *in0 = >> > >> > vtkStructuredGrid::SafeDownCast(coarseInfo->Get(vtkDataObject::DATA_OBJECT())); >> > this->GetExecutive()->GetOutputData(0)->ShallowCopy(in0); >> > vtkInformation *in1Info = inputVector[1]->GetInformationObject(0); >> > vtkStructuredGrid *in1 = >> > >> > vtkStructuredGrid::SafeDownCast(coarseInfo->Get(vtkDataObject::DATA_OBJECT())); >> > this->GetExecutive()->GetOutputData(1)->ShallowCopy(in1); >> > but I get this error: >> > ERROR: In >> > >> > /usr/local/ParaView-3.10.1/VTK/Filtering/vtkStreamingDemandDrivenPipeline.cxx, >> > line 882 >> > vtkPVPostFilterExecutive (0x12c3e58d0): The update extent specified in >> > the >> > information for output port 0 on algorithm vtkPVPostFilter(0x12c3e4e90) >> > is 0 >> > 24 0 34 0 232, which is outside the whole extent 0 96 0 20 0 63. >> > Actually 0 24 0 34 0 232 are the dimensions of input0 and 0 96 0 20 0 63 >> > are >> > the dimensions of input1. >> > So I do not understand why extends of input1 are considered as the >> > "whole >> > extend" (BTW what is the "whole extend"? whole extend of the multblock >> > dataset?) >> > >> > _______________________________________________ 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 >> > >> > _______________________________________________ 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
