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100 lines
3.0 KiB
100 lines
3.0 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkUnstructuredGridSource.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 "vtkUnstructuredGridSource.h"
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#include "vtkInformation.h"
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#include "vtkObjectFactory.h"
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#include "vtkUnstructuredGrid.h"
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vtkCxxRevisionMacro(vtkUnstructuredGridSource, "$Revision: 1.30 $");
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//----------------------------------------------------------------------------
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vtkUnstructuredGridSource::vtkUnstructuredGridSource()
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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, vtkUnstructuredGrid::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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}
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//----------------------------------------------------------------------------
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vtkUnstructuredGrid *vtkUnstructuredGridSource::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 (vtkUnstructuredGrid *)(this->Outputs[0]);
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}
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//----------------------------------------------------------------------------
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void vtkUnstructuredGridSource::SetOutput(vtkUnstructuredGrid *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 vtkUnstructuredGridSource::ComputeInputUpdateExtents(vtkDataObject *data)
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{
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int piece, numPieces, ghostLevel;
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vtkUnstructuredGrid *output = (vtkUnstructuredGrid *)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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// 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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}
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vtkUnstructuredGrid *vtkUnstructuredGridSource::GetOutput(int idx)
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{
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return static_cast<vtkUnstructuredGrid *>( this->vtkSource::GetOutput(idx) );
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}
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//----------------------------------------------------------------------------
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int vtkUnstructuredGridSource::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(), "vtkUnstructuredGrid");
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return 1;
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}
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//----------------------------------------------------------------------------
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void vtkUnstructuredGridSource::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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