ITK/Examples/Statistics/ListSample

ListSample.cxx

<source lang="cpp">

1. include "itkListSample.h"
2. include "itkVector.h"

int main() {

 typedef itk::Vector< float, 3 > MeasurementVectorType ;
 typedef itk::Statistics::ListSample< MeasurementVectorType > SampleType ;
 SampleType::Pointer sample = SampleType::New() ;

 MeasurementVectorType mv ;
 mv[0] = 1.0 ;
 mv[1] = 2.0 ;
 mv[2] = 4.0 ;

 sample->PushBack(mv) ;

 sample->Resize(3) ;

 mv[0] = 2.0 ;
 mv[1] = 4.0 ;
 mv[2] = 5.0 ;
 sample->SetMeasurementVector(1, mv) ;

 mv[0] = 3.0 ;
 mv[1] = 8.0 ;
 mv[2] = 6.0 ;
 sample->SetMeasurementVector(2, mv) ;

 for ( unsigned long i = 0 ; i < sample->Size() ; ++i )
   {
   std::cout << "id = " << i
             << "\t measurement vector = "
             << sample->GetMeasurementVector(i)
             << "\t frequency = "
             << sample->GetFrequency(i)
             << std::endl ;
   }

 SampleType::Iterator iter = sample->Begin() ;

 while( iter != sample->End() )
   {
   std::cout << "id = " << iter.GetInstanceIdentifier()
             << "\t measurement vector = "
             << iter.GetMeasurementVector()
             << "\t frequency = "
             << iter.GetFrequency()
             << std::endl ;
   ++iter ;
   }

 std::cout << "Size = " << sample->Size() << std::endl ;
 std::cout << "Total frequency = "
           << sample->GetTotalFrequency() << std::endl ;
 
 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(ListSample)

FIND_PACKAGE(ITK REQUIRED) INCLUDE(${ITK_USE_FILE})

ADD_EXECUTABLE(ListSample ListSample.cxx) TARGET_LINK_LIBRARIES(ListSample ITKBasicFilters ITKCommon ITKIO)

</source>