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101 lines
3.4 KiB
101 lines
3.4 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkPLinearExtrusionFilter.cxx,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkPLinearExtrusionFilter.h"
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#include "vtkInformation.h"
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#include "vtkInformationVector.h"
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#include "vtkObjectFactory.h"
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#include "vtkPolyData.h"
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#include "vtkStreamingDemandDrivenPipeline.h"
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vtkCxxRevisionMacro(vtkPLinearExtrusionFilter, "$Revision: 1.6 $");
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vtkStandardNewMacro(vtkPLinearExtrusionFilter);
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//----------------------------------------------------------------------------
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vtkPLinearExtrusionFilter::vtkPLinearExtrusionFilter()
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{
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// Since I do not thing the visual impact of invariance is significant,
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// we will default to not spend the extra effort to get the
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// extra layer of ghost cells.
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this->PieceInvariant = 0;
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}
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//----------------------------------------------------------------------------
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int vtkPLinearExtrusionFilter::RequestData(
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vtkInformation *request,
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector)
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{
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// get the info object
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vtkInformation *outInfo = outputVector->GetInformationObject(0);
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// get the ouptut
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vtkPolyData *output = vtkPolyData::SafeDownCast(
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outInfo->Get(vtkDataObject::DATA_OBJECT()));
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if (!this->vtkLinearExtrusionFilter::RequestData(request,
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inputVector, outputVector))
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{
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return 0;
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}
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if (this->PieceInvariant)
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{
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output->RemoveGhostCells(
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outInfo->Get(
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vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS())+1);
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}
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return 1;
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}
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//--------------------------------------------------------------------------
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int vtkPLinearExtrusionFilter::RequestUpdateExtent(
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vtkInformation *vtkNotUsed(request),
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vtkInformationVector **inputVector,
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vtkInformationVector *outputVector)
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{
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vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
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vtkInformation *outInfo = outputVector->GetInformationObject(0);
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inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER(),
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outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER()));
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inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES(),
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outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_PIECES()));
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int ghostLevel = outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS());
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if (this->PieceInvariant)
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{
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inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS(),
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ghostLevel + 1);
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}
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else
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{
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inInfo->Set(vtkStreamingDemandDrivenPipeline::UPDATE_NUMBER_OF_GHOST_LEVELS(),
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ghostLevel);
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}
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkPLinearExtrusionFilter::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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os << indent << "PieceInvariant: "
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<< this->PieceInvariant << "\n";
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}
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