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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit (ITK)
Module: $RCSfile: itkLevelSetVelocityNeighborhoodExtractorTest.cxx,v $
Language: C++
Date: $Date: 2003-09-10 14:30:03 $
Version: $Revision: 1.3 $
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkLevelSetVelocityNeighborhoodExtractor.h"
#include "itkFastMarchingImageFilter.h"
int itkLevelSetVelocityNeighborhoodExtractorTest(int, char* [] )
{
const unsigned int ImageDimension = 2;
typedef float PixelType;
typedef itk::Image<PixelType,ImageDimension> ImageType;
typedef double AuxValueType;
// Create an input image using fastmarching
typedef itk::FastMarchingImageFilter<ImageType> SourceType;
SourceType::Pointer source = SourceType::New();
ImageType::SizeType size;
size.Fill( 17 );
source->SetOutputSize( size );
SourceType::NodeType node;
ImageType::IndexType index;
index.Fill( 8 );
node.SetIndex( index );
node.SetValue( -4.0 );
typedef SourceType::NodeContainer NodeContainerType;
NodeContainerType::Pointer container = NodeContainerType::New();
container->InsertElement( 0, node );
source->SetTrialPoints( container );
source->CollectPointsOn();
source->Update();
typedef itk::LevelSetVelocityNeighborhoodExtractor<ImageType,AuxValueType,2> ExtractorType;
ExtractorType::Pointer extractor = ExtractorType::New();
extractor->SetInputLevelSet( source->GetOutput() );
extractor->SetLevelSetValue( 0.0 );
extractor->NarrowBandingOff();
// create some dummy auxiliary variable images
typedef ExtractorType::AuxImageType AuxImageType;
AuxImageType::Pointer aux0 = AuxImageType::New();
aux0->SetRegions( source->GetOutput()->GetBufferedRegion() );
aux0->Allocate();
aux0->FillBuffer( 1.0 );
extractor->SetAuxImage( aux0, 0 );
AuxImageType::Pointer aux1 = AuxImageType::New();
aux1->SetRegions( source->GetOutput()->GetBufferedRegion() );
aux1->Allocate();
aux1->FillBuffer( 5.0 );
extractor->SetAuxImage( aux1, 1 );
extractor->Locate();
typedef NodeContainerType::ConstIterator Iterator;
Iterator iter;
Iterator iterEnd;
typedef ExtractorType::AuxValueContainer AuxValueContainer;
typedef AuxValueContainer::ConstIterator AuxIterator;
AuxIterator aIter;
AuxIterator aIterEnd;
std::cout << "Inside Points" << std::endl;
iter = extractor->GetInsidePoints()->Begin();
iterEnd = extractor->GetInsidePoints()->End();
aIter = extractor->GetAuxInsideValues()->Begin();
aIterEnd = extractor->GetAuxInsideValues()->End();
for( ; iter != iterEnd; iter++, aIter++ )
{
std::cout << iter.Value().GetIndex() << " ";
std::cout << iter.Value().GetValue() << " ";
std::cout << aIter.Value() << std::endl;
}
std::cout << "Outside Points" << std::endl;
iter = extractor->GetOutsidePoints()->Begin();
iterEnd = extractor->GetOutsidePoints()->End();
aIter = extractor->GetAuxOutsideValues()->Begin();
aIterEnd = extractor->GetAuxOutsideValues()->End();
for( ; iter != iterEnd; iter++, aIter++ )
{
std::cout << iter.Value().GetIndex() << " ";
std::cout << iter.Value().GetValue() << " ";
std::cout << aIter.Value() << std::endl;
}
// exercise Print
extractor->Print( std::cout );
std::cout << "AuxImage0: " << extractor->GetAuxImage(0).GetPointer() << std::endl;
// exercise error handling
extractor->SetAuxImage( aux0, 2 );
if ( extractor->GetAuxImage( 2 ) )
{
std::cout << "Out of range index should return NULL pointer" << std::endl;
return EXIT_FAILURE;
}
std::cout << "Test passed." << std::endl;
return EXIT_SUCCESS;
}
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