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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPointSetToPointSetFilter.cxx
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 "vtkPointSetToPointSetFilter.h"
#include "vtkPolyData.h"
#include "vtkStructuredGrid.h"
#include "vtkUnstructuredGrid.h"
//----------------------------------------------------------------------------
// Construct object.
vtkPointSetToPointSetFilter::vtkPointSetToPointSetFilter()
{
this->NumberOfRequiredInputs = 1;
this->SetNumberOfInputPorts(1);
}
//----------------------------------------------------------------------------
vtkPointSetToPointSetFilter::~vtkPointSetToPointSetFilter()
{
}
//----------------------------------------------------------------------------
// Specify the input data or filter.
void vtkPointSetToPointSetFilter::SetInput(vtkPointSet *input)
{
vtkPointSet *oldInput = this->GetInput();
if (oldInput != NULL)
{
if (input == NULL ||
oldInput->GetDataObjectType() != input->GetDataObjectType())
{
vtkWarningMacro("Changing input type. Deleting output");
this->SetOutput(NULL);
}
}
if (input != NULL && this->vtkSource::GetOutput(0) == NULL)
{
this->vtkSource::SetNthOutput(0, input->NewInstance());
this->Outputs[0]->ReleaseData();
this->Outputs[0]->Delete();
}
this->vtkProcessObject::SetNthInput(0, input);
}
//----------------------------------------------------------------------------
// Specify the input data or filter.
vtkPointSet *vtkPointSetToPointSetFilter::GetInput()
{
if (this->NumberOfInputs < 1)
{
return NULL;
}
return static_cast<vtkPointSet *>(this->Inputs[0]);
}
//----------------------------------------------------------------------------
// Get the output of this filter. If output is NULL then input hasn't been set
// which is necessary for abstract objects.
vtkPointSet *vtkPointSetToPointSetFilter::GetOutput()
{
if (this->GetInput() == NULL )
{
vtkErrorMacro(<<"Abstract filters require input to be set before output can be retrieved");
return NULL;
}
return this->vtkPointSetSource::GetOutput();
}
//----------------------------------------------------------------------------
// Get the output as vtkPolyData.
vtkPolyData *vtkPointSetToPointSetFilter::GetPolyDataOutput()
{
vtkDataSet *ds = this->GetOutput();
if (!ds)
{
return NULL;
}
if (ds->GetDataObjectType() == VTK_POLY_DATA)
{
return static_cast<vtkPolyData *>(ds);
}
return NULL;
}
//----------------------------------------------------------------------------
// Get the output as vtkStructuredGrid. Performs run-time checking.
vtkStructuredGrid *vtkPointSetToPointSetFilter::GetStructuredGridOutput()
{
vtkDataSet *ds = this->GetOutput();
if (!ds)
{
return NULL;
}
if (ds->GetDataObjectType() == VTK_STRUCTURED_GRID)
{
return static_cast<vtkStructuredGrid *>(ds);
}
return NULL;
}
//----------------------------------------------------------------------------
// Get the output as vtkUnstructuredGrid. Performs run-time checking.
vtkUnstructuredGrid *vtkPointSetToPointSetFilter::GetUnstructuredGridOutput()
{
vtkDataSet *ds = this->GetOutput();
if (!ds)
{
return NULL;
}
if (ds->GetDataObjectType() == VTK_UNSTRUCTURED_GRID)
{
return static_cast<vtkUnstructuredGrid *>(ds);
}
return NULL;
}
//----------------------------------------------------------------------------
// Copy the update information across
void vtkPointSetToPointSetFilter::ComputeInputUpdateExtents(vtkDataObject *output)
{
vtkDataObject *input = this->GetInput();
input->SetUpdatePiece( output->GetUpdatePiece() );
input->SetUpdateNumberOfPieces( output->GetUpdateNumberOfPieces() );
input->SetUpdateGhostLevel( output->GetUpdateGhostLevel() );
input->SetUpdateExtent( output->GetUpdateExtent() );
input->RequestExactExtentOn();
}
//----------------------------------------------------------------------------
void vtkPointSetToPointSetFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
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