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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkPolyDataSource.cxx,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkPolyDataSource.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkPolyData.h"
vtkCxxRevisionMacro(vtkPolyDataSource, "$Revision: 1.11 $");
//----------------------------------------------------------------------------
vtkPolyDataSource::vtkPolyDataSource()
{
// A source has no inputs by default.
this->SetNumberOfInputPorts(0);
this->vtkSource::SetNthOutput(0, vtkPolyData::New());
// Releasing data for pipeline parallism.
// Filters will know it is empty.
this->Outputs[0]->ReleaseData();
this->Outputs[0]->Delete();
this->ExecutePiece = this->ExecuteNumberOfPieces = 0;
this->ExecuteGhostLevel = 0;
}
//----------------------------------------------------------------------------
vtkPolyData *vtkPolyDataSource::GetOutput()
{
if (this->NumberOfOutputs < 1)
{
return NULL;
}
return (vtkPolyData *)(this->Outputs[0]);
}
//----------------------------------------------------------------------------
vtkPolyData *vtkPolyDataSource::GetOutput(int idx)
{
return (vtkPolyData *) this->vtkSource::GetOutput(idx);
}
//----------------------------------------------------------------------------
void vtkPolyDataSource::SetOutput(vtkPolyData *output)
{
this->vtkSource::SetNthOutput(0, output);
}
//----------------------------------------------------------------------------
void vtkPolyDataSource::ComputeInputUpdateExtents(vtkDataObject *data)
{
int piece, numPieces, ghostLevel;
vtkPolyData *output = (vtkPolyData *)data;
int idx;
output->GetUpdateExtent(piece, numPieces, ghostLevel);
// make sure piece is valid
if (piece < 0 || piece >= numPieces)
{
return;
}
if (ghostLevel < 0)
{
return;
}
// just copy the Update extent as default behavior.
for (idx = 0; idx < this->NumberOfInputs; ++idx)
{
if (this->Inputs[idx])
{
this->Inputs[idx]->SetUpdateExtent(piece, numPieces, ghostLevel);
}
}
// Save the piece so execute can use this information.
this->ExecutePiece = piece;
this->ExecuteNumberOfPieces = numPieces;
this->ExecuteGhostLevel = ghostLevel;
}
//----------------------------------------------------------------------------
int vtkPolyDataSource::FillOutputPortInformation(int port,
vtkInformation* info)
{
if(!this->Superclass::FillOutputPortInformation(port, info))
{
return 0;
}
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkPolyData");
return 1;
}
//----------------------------------------------------------------------------
void vtkPolyDataSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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