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113 lines
3.2 KiB
113 lines
3.2 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkPolyDataSource.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 "vtkPolyDataSource.h"
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#include "vtkInformation.h"
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#include "vtkObjectFactory.h"
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#include "vtkPolyData.h"
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vtkCxxRevisionMacro(vtkPolyDataSource, "$Revision: 1.11 $");
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//----------------------------------------------------------------------------
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vtkPolyDataSource::vtkPolyDataSource()
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{
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// A source has no inputs by default.
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this->SetNumberOfInputPorts(0);
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this->vtkSource::SetNthOutput(0, vtkPolyData::New());
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// Releasing data for pipeline parallism.
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// Filters will know it is empty.
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this->Outputs[0]->ReleaseData();
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this->Outputs[0]->Delete();
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this->ExecutePiece = this->ExecuteNumberOfPieces = 0;
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this->ExecuteGhostLevel = 0;
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}
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//----------------------------------------------------------------------------
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vtkPolyData *vtkPolyDataSource::GetOutput()
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{
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if (this->NumberOfOutputs < 1)
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{
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return NULL;
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}
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return (vtkPolyData *)(this->Outputs[0]);
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}
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//----------------------------------------------------------------------------
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vtkPolyData *vtkPolyDataSource::GetOutput(int idx)
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{
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return (vtkPolyData *) this->vtkSource::GetOutput(idx);
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}
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//----------------------------------------------------------------------------
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void vtkPolyDataSource::SetOutput(vtkPolyData *output)
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{
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this->vtkSource::SetNthOutput(0, output);
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}
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//----------------------------------------------------------------------------
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void vtkPolyDataSource::ComputeInputUpdateExtents(vtkDataObject *data)
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{
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int piece, numPieces, ghostLevel;
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vtkPolyData *output = (vtkPolyData *)data;
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int idx;
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output->GetUpdateExtent(piece, numPieces, ghostLevel);
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// make sure piece is valid
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if (piece < 0 || piece >= numPieces)
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{
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return;
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}
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if (ghostLevel < 0)
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{
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return;
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}
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// just copy the Update extent as default behavior.
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for (idx = 0; idx < this->NumberOfInputs; ++idx)
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{
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if (this->Inputs[idx])
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{
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this->Inputs[idx]->SetUpdateExtent(piece, numPieces, ghostLevel);
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}
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}
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// Save the piece so execute can use this information.
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this->ExecutePiece = piece;
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this->ExecuteNumberOfPieces = numPieces;
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this->ExecuteGhostLevel = ghostLevel;
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}
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//----------------------------------------------------------------------------
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int vtkPolyDataSource::FillOutputPortInformation(int port,
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vtkInformation* info)
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{
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if(!this->Superclass::FillOutputPortInformation(port, info))
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{
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return 0;
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}
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info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkPolyData");
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkPolyDataSource::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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