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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkDistanceMetricTest2.cxx
Language: C++
Date: $Date$
Version: $Revision$
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 "itkDistanceMetric.h"
#include "itkObjectFactory.h"
namespace itk {
namespace Statistics {
namespace DistanceMetricTest {
template <class TMeasurementVector>
class MyDistanceMetric : public DistanceMetric< TMeasurementVector >
{
public:
/** Standard class typedef. */
typedef MyDistanceMetric Self;
typedef DistanceMetric< TMeasurementVector > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard macros */
itkTypeMacro(MyDistanceMetric, DistanceMetric);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Evaluate membership score */
double Evaluate(const TMeasurementVector & ) const
{
double score;
score = 1;
return score;
}
double Evaluate(const TMeasurementVector &, const TMeasurementVector & ) const
{
double score;
score = 1;
return score;
}
};
}
}
}
//test DistanceMetric using resizable measurement vector type
int itkDistanceMetricTest2(int, char* [] )
{
typedef itk::Array< float> MeasurementVectorType;
typedef itk::Statistics::DistanceMetricTest::MyDistanceMetric<
MeasurementVectorType > DistanceMetricType;
typedef DistanceMetricType::MeasurementVectorSizeType MeasurementVectorSizeType;
DistanceMetricType::Pointer distance = DistanceMetricType::New();
std::cout << distance->GetNameOfClass() << std::endl;
std::cout << distance->DistanceMetricType::Superclass::GetNameOfClass() << std::endl;
distance->Print(std::cout);
MeasurementVectorSizeType measurementVectorSize = 3;
distance->SetMeasurementVectorSize( measurementVectorSize );
if( distance->GetMeasurementVectorSize() != measurementVectorSize )
{
std::cerr << "Error in Set/GetMeasurementVectorSize()" << std::endl;
return EXIT_FAILURE;
}
//try re-setting the measurment vector size to the same value, no exceptins should be
//thrown
try
{
MeasurementVectorSizeType sameSize = 3;
distance->SetMeasurementVectorSize( sameSize );
}
catch( itk::ExceptionObject & excpt )
{
std::cerr << "Exception thrown: " << excpt << std::endl;
return EXIT_FAILURE;
}
//try setting an origin vector with a different size it should throw an exception
try
{
DistanceMetricType::OriginType origin;
MeasurementVectorSizeType newSize = 4;
origin.SetSize( newSize );
distance->SetOrigin( origin );
std::cerr << "Attempting to set an origin vector with a different size,"
<< "should result in an exception" << std::endl;
return EXIT_FAILURE;
}
catch( itk::ExceptionObject & excpt )
{
std::cerr << "Exception thrown: " << excpt << std::endl;
}
return EXIT_SUCCESS;
}
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