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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkMembershipSample.txx,v $
Language: C++
Date: $Date: 2009-03-04 15:24:02 $
Version: $Revision: 1.24 $
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 __itkMembershipSample_txx
#define __itkMembershipSample_txx
namespace itk {
namespace Statistics {
template< class TSample >
MembershipSample< TSample >
::MembershipSample()
{
m_Sample = 0;
m_CurrentClassLabel = 0;
}
template< class TSample >
void
MembershipSample< TSample >
::SetSample(const TSample* sample)
{
m_Sample = sample;
this->SetMeasurementVectorSize( sample->GetMeasurementVectorSize() );
}
template< class TSample >
const TSample*
MembershipSample< TSample >
::GetSample() const
{
return m_Sample;
}
template< class TSample >
void
MembershipSample< TSample >
::SetNumberOfClasses(unsigned int numberOfClasses)
{
m_NumberOfClasses = numberOfClasses;
m_ClassSampleSizes.resize(m_NumberOfClasses);
m_ClassSamples.resize(m_NumberOfClasses);
for ( unsigned int i = 0; i < m_NumberOfClasses; i++ )
{
m_ClassSamples[i] = ClassSampleType::New();
(m_ClassSamples[i])->SetSample(this->GetSample());
m_ClassSampleSizes[i] = 0;
}
}
template< class TSample >
unsigned int
MembershipSample< TSample >
::GetNumberOfClasses() const
{
return m_NumberOfClasses;
}
template< class TSample >
inline void
MembershipSample< TSample >
::AddInstance(const unsigned int &classLabel, const InstanceIdentifier &id)
{
m_ClassLabelHolder[id] = classLabel;
int classIndex = this->GetInternalClassLabel(classLabel);
if ( classIndex == -1 )
{
m_UniqueClassLabels.push_back(classLabel);
classIndex = m_UniqueClassLabels.size() - 1;
}
m_ClassSampleSizes[classIndex] += 1;
(m_ClassSamples[classIndex])->AddInstance(id);
}
template< class TSample >
inline unsigned int
MembershipSample< TSample >
::GetClassLabel(const InstanceIdentifier &id) const
{
return (*(m_ClassLabelHolder.find(id))).second;
}
template< class TSample >
inline int
MembershipSample< TSample >
::GetInternalClassLabel(const unsigned int classLabel) const
{
for ( unsigned int i = 0; i < m_UniqueClassLabels.size(); i++ )
{
if ( m_UniqueClassLabels[i] == classLabel )
{
return i;
}
}
return -1;
}
template< class TSample >
unsigned int
MembershipSample< TSample >
::GetClassSampleSize(const unsigned int &classLabel) const
{
int classIndex = this->GetInternalClassLabel(classLabel);
return m_ClassSampleSizes[classIndex];
}
template< class TSample >
const typename MembershipSample< TSample >::ClassSampleType*
MembershipSample< TSample >
::GetClassSample(const unsigned int &classLabel) const
{
int classIndex = this->GetInternalClassLabel(classLabel);
return m_ClassSamples[classIndex];
}
template< class TSample >
inline unsigned int
MembershipSample< TSample >
::Size(void) const
{
return m_Sample->Size();
}
template< class TSample >
inline const typename MembershipSample< TSample >::MeasurementVectorType &
MembershipSample< TSample >
::GetMeasurementVector(const InstanceIdentifier &id) const
{
return m_Sample->GetMeasurementVector(id);
}
template< class TSample >
inline typename MembershipSample< TSample >::MeasurementType
MembershipSample< TSample >
::GetMeasurement(const InstanceIdentifier &id,
const unsigned int &dimension)
{
return m_Sample->GetMeasurement(id, dimension);
}
template< class TSample >
inline typename MembershipSample< TSample >::FrequencyType
MembershipSample< TSample >
::GetFrequency(const InstanceIdentifier &id) const
{
return m_Sample->GetFrequency(id);
}
template< class TSample >
inline typename MembershipSample< TSample >::TotalFrequencyType
MembershipSample< TSample >
::GetTotalFrequency() const
{
return m_Sample->GetTotalFrequency();
}
template< class TSample >
void
MembershipSample< TSample >
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << "Sample: ";
if ( m_Sample != 0 )
{
os << m_Sample << std::endl;
}
else
{
os << "not set." << std::endl;
}
os << indent << "CurrentClassLabel: " << m_CurrentClassLabel << std::endl;
os << indent << "ClassLabelHolder: " << &m_ClassLabelHolder << std::endl;
}
} // end of namespace Statistics
} // end of namespace itk
#endif
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