00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkSample.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-03-04 19:29:53 $ 00007 Version: $Revision: 1.27 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef __itkSample_h 00018 #define __itkSample_h 00019 00020 #include <vector> 00021 00022 #include "itkMacro.h" 00023 #include "itkPoint.h" 00024 #include "itkSize.h" 00025 #include "itkObject.h" 00026 #include "itkFixedArray.h" 00027 #include "itkMeasurementVectorTraits.h" 00028 #include "itkNumericTraits.h" 00029 00030 namespace itk { 00031 namespace Statistics { 00032 00062 template < class TMeasurementVector > 00063 class ITK_EXPORT Sample : public Object 00064 { 00065 public: 00067 typedef Sample Self; 00068 typedef Object Superclass; 00069 typedef SmartPointer< Self > Pointer; 00070 typedef SmartPointer<const Self> ConstPointer; 00071 00073 itkTypeMacro(Sample, Object); 00074 00076 typedef TMeasurementVector MeasurementVectorType; 00077 00080 typedef typename MeasurementVectorType::ValueType MeasurementType; 00081 00083 typedef float FrequencyType; 00084 00086 typedef NumericTraits<FrequencyType>::AccumulateType TotalFrequencyType; 00087 00090 typedef unsigned long InstanceIdentifier; 00091 00093 typedef unsigned int MeasurementVectorSizeType; 00094 00096 virtual unsigned int Size() const = 0; 00097 00100 virtual const MeasurementVectorType & 00101 GetMeasurementVector(const InstanceIdentifier &id) const = 0; 00102 00105 virtual FrequencyType GetFrequency(const InstanceIdentifier &id) const = 0; 00106 00108 virtual TotalFrequencyType GetTotalFrequency() const 00109 = 0; 00110 00111 00113 virtual void SetMeasurementVectorSize( const MeasurementVectorSizeType s ) 00114 { 00115 MeasurementVectorType m; 00116 MeasurementVectorSizeType defaultLength = MeasurementVectorTraits::GetLength( m ); 00117 if( (defaultLength != 0) && (s!=defaultLength) ) 00118 { 00119 return; // Do not do anything. 00120 //itkExceptionMacro( << "Cannot instantiate a sample with a fixed length " 00121 // << "container and resize it later. Create it with itk::Array if you like."); 00122 } 00123 this->m_MeasurementVectorSize = s; 00124 } 00125 itkGetConstMacro( MeasurementVectorSize, MeasurementVectorSizeType ); 00127 00128 00129 protected: 00130 Sample() 00131 { 00132 m_MeasurementVectorSize = MeasurementVectorTraits::GetLength( 00133 MeasurementVectorType() ); 00134 } 00135 00136 virtual ~Sample() {} 00137 void PrintSelf(std::ostream& os, Indent indent) const 00138 { 00139 Superclass::PrintSelf(os,indent); 00140 os << indent << "Length of measurement vectors in the sample: " << 00141 m_MeasurementVectorSize << std::endl; 00142 } 00143 00144 00145 00146 private: 00147 Sample(const Self&); //purposely not implemented 00148 void operator=(const Self&); //purposely not implemented 00149 00150 MeasurementVectorSizeType m_MeasurementVectorSize; 00151 }; // end of class 00152 00153 } // end of namespace Statistics 00154 } // end of namespace itk 00155 00156 #endif 00157