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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkInteriorExteriorMeshFilter.txx,v $
Language: C++
Date: $Date: 2006-01-11 19:43:31 $
Version: $Revision: 1.11 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#ifndef _itkInteriorExteriorMeshFilter_txx
#define _itkInteriorExteriorMeshFilter_txx
#include "itkInteriorExteriorMeshFilter.h"
#include "itkExceptionObject.h"
#include "itkNumericTraits.h"
#include "itkProgressReporter.h"
namespace itk
{
/**
*
*/
template <class TInputMesh, class TOutputMesh, class TSpatialFunction>
InteriorExteriorMeshFilter<TInputMesh,TOutputMesh,TSpatialFunction>
::InteriorExteriorMeshFilter()
{
m_SpatialFunction = SpatialFunctionType::New();
SpatialFunctionDataObjectPointer spatialFunctionObject =
SpatialFunctionDataObjectType::New();
spatialFunctionObject->Set( m_SpatialFunction );
this->ProcessObject::SetNthInput( 1, spatialFunctionObject );
}
/**
*
*/
template <class TInputMesh, class TOutputMesh, class TSpatialFunction>
void
InteriorExteriorMeshFilter<TInputMesh,TOutputMesh,TSpatialFunction>
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << m_SpatialFunction << std::endl;
}
/**
* This method causes the filter to generate its output.
*/
template <class TInputMesh, class TOutputMesh, class TSpatialFunction>
void
InteriorExteriorMeshFilter<TInputMesh,TOutputMesh,TSpatialFunction>
::GenerateData(void)
{
typedef typename TInputMesh::PointsContainer InputPointsContainer;
typedef typename TOutputMesh::PointsContainer OutputPointsContainer;
typedef typename TInputMesh::PointsContainerPointer InputPointsContainerPointer;
typedef typename TOutputMesh::PointsContainerPointer OutputPointsContainerPointer;
typedef typename TInputMesh::PointDataContainer InputPointDataContainer;
typedef typename TOutputMesh::PointDataContainer OutputPointDataContainer;
typedef typename TInputMesh::PointDataContainerPointer InputPointDataContainerPointer;
typedef typename TOutputMesh::PointDataContainerPointer OutputPointDataContainerPointer;
InputMeshPointer inputMesh = this->GetInput();
OutputMeshPointer outputMesh = this->GetOutput();
if( !inputMesh )
{
ExceptionObject exception(__FILE__, __LINE__);
exception.SetDescription("Missing Input Mesh");
exception.SetLocation(ITK_LOCATION);
throw exception;
}
if( !outputMesh )
{
ExceptionObject exception(__FILE__, __LINE__);
exception.SetDescription("Missing Output Mesh");
exception.SetLocation(ITK_LOCATION);
throw exception;
}
outputMesh->SetBufferedRegion( outputMesh->GetRequestedRegion() );
InputPointsContainerPointer inPoints = inputMesh->GetPoints();
InputPointDataContainerPointer inData = inputMesh->GetPointData();
typename InputPointsContainer::ConstIterator inputPoint = inPoints->Begin();
typename InputPointDataContainer::ConstIterator inputData;
bool inputDataExists = false;
if( inData )
{
inputDataExists = true;
}
if( inputDataExists )
{
inputData = inData->Begin();
}
// support progress methods/callbacks
ProgressReporter progress(this, 0, inPoints->Size());
typedef typename TSpatialFunction::OutputType ValueType;
typedef typename TOutputMesh::PointIdentifier PointIdType;
PointIdType pointId = NumericTraits< PointIdType >::Zero;
while( inputPoint != inPoints->End() )
{
ValueType value = m_SpatialFunction->Evaluate( inputPoint.Value() );
if( value ) // Assumes return type is "bool"
{
outputMesh->SetPoint( pointId, inputPoint.Value() );
if( inputDataExists )
{
outputMesh->SetPointData( pointId, inputData.Value() );
}
pointId++;
}
++inputPoint;
if( inputDataExists )
{
++inputData;
}
progress.CompletedPixel();
}
// Create duplicate references to the rest of data in the mesh
outputMesh->SetCellLinks( inputMesh->GetCellLinks() );
outputMesh->SetCells( inputMesh->GetCells() );
outputMesh->SetCellData( inputMesh->GetCellData() );
unsigned int maxDimension = TInputMesh::MaxTopologicalDimension;
for( unsigned int dim = 0; dim < maxDimension; dim++ )
{
outputMesh->SetBoundaryAssignments( dim,
inputMesh->GetBoundaryAssignments(dim) );
}
}
} // end namespace itk
#endif
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