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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkSampleTest.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 <iostream>
#include "itkSample.h"
#include "itkObjectFactory.h"
namespace itk {
namespace Statistics {
namespace SampleTest {
template <class TMeasurementVector>
class MySample : public Sample< TMeasurementVector >
{
public:
/** Standard class typedef. */
typedef MySample Self;
typedef Sample< TMeasurementVector > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Standard macros */
itkTypeMacro(MySample, Sample);
/** Method for creation through the object factory. */
itkNewMacro(Self);
typedef typename Superclass::MeasurementVectorType MeasurementVectorType;
typedef typename Superclass::TotalAbsoluteFrequencyType TotalAbsoluteFrequencyType;
typedef typename Superclass::AbsoluteFrequencyType AbsoluteFrequencyType;
typedef typename Superclass::InstanceIdentifier InstanceIdentifier;
/** Get the size of the sample (number of measurements) */
virtual InstanceIdentifier Size() const
{
return m_Values.size();
}
/** Get the measurement associated with a particular
* InstanceIdentifier. */
virtual const MeasurementVectorType & GetMeasurementVector(InstanceIdentifier id) const
{
return m_Values[id];
}
/** Get the frequency of a measurement specified by instance
* identifier. */
virtual AbsoluteFrequencyType GetFrequency(InstanceIdentifier id) const
{
return m_Frequencies[id];
}
/** Get the total frequency of the sample. */
virtual TotalAbsoluteFrequencyType GetTotalFrequency() const
{
TotalAbsoluteFrequencyType sum = NumericTraits< TotalAbsoluteFrequencyType >::Zero;
typedef typename std::vector< AbsoluteFrequencyType >::const_iterator Iterator;
Iterator itr = m_Frequencies.begin();
while( itr != m_Frequencies.end() )
{
sum += *itr;
++itr;
}
return sum;
}
void PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << m_Values.size() << std::endl;
os << indent << m_Frequencies.size() << std::endl;
}
void AddMeasurementVector( const MeasurementVectorType & measure, AbsoluteFrequencyType frequency )
{
m_Values.push_back( measure );
m_Frequencies.push_back( frequency );
}
private:
std::vector< TMeasurementVector > m_Values;
std::vector< AbsoluteFrequencyType > m_Frequencies;
};
}
}
}
int itkSampleTest(int, char* [] )
{
const unsigned int MeasurementVectorSize = 17;
typedef itk::FixedArray<
float, MeasurementVectorSize > MeasurementVectorType;
typedef itk::Statistics::SampleTest::MySample<
MeasurementVectorType > SampleType;
SampleType::Pointer sample = SampleType::New();
std::cout << sample->GetNameOfClass() << std::endl;
std::cout << sample->SampleType::Superclass::GetNameOfClass() << std::endl;
sample->Print(std::cout);
sample->SetMeasurementVectorSize( MeasurementVectorSize ); // for code coverage
if( sample->GetMeasurementVectorSize() != MeasurementVectorSize )
{
std::cerr << "GetMeasurementVectorSize() Failed !" << std::endl;
return EXIT_FAILURE;
}
std::cout << sample->Size() << std::endl;
MeasurementVectorType measure;
for( unsigned int i=0; i<MeasurementVectorSize; i++)
{
measure[i] = 29 * i * i;
}
typedef SampleType::AbsoluteFrequencyType AbsoluteFrequencyType;
AbsoluteFrequencyType frequency = 17;
sample->AddMeasurementVector( measure, frequency );
MeasurementVectorType measureBack = sample->GetMeasurementVector( 0 );
AbsoluteFrequencyType frequencyBack = sample->GetFrequency( 0 );
if( frequencyBack != frequency )
{
std::cerr << "Error in GetFrequency()" << std::endl;
return EXIT_FAILURE;
}
for( unsigned int j=0; j<MeasurementVectorSize; j++)
{
if( measureBack[j] != measure[j] )
{
std::cerr << "Error in Set/Get MeasurementVector()" << std::endl;
return EXIT_FAILURE;
}
}
std::cout << sample->GetTotalFrequency() << std::endl;
//Test if an exception will be thrown if we try to resize the measurement vector
//size
try
{
sample->SetMeasurementVectorSize( MeasurementVectorSize + 1 );
std::cerr << "Exception should have been thrown since we are trying to resize\
non-resizeable measurement vector type " << std::endl;
return EXIT_FAILURE;
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Caughted expected exception: " << excp << std::endl;
}
return EXIT_SUCCESS;
}
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