ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Numerics/Statistics/CreateListOfSamplesWithIDs/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkListSample.h"
#include "itkVector.h"
int
main(int, char *[])
{
using MeasurementVectorType = itk::Vector<float, 3>;
SampleType::Pointer sample = SampleType::New();
MeasurementVectorType mv;
mv[0] = 1.0;
mv[1] = 2.0;
mv[2] = 4.0;
sample->PushBack(mv);
mv[0] = 2.0;
mv[1] = 4.0;
mv[2] = 5.0;
sample->PushBack(mv);
mv[0] = 3.0;
mv[1] = 8.0;
mv[2] = 6.0;
sample->PushBack(mv);
using MembershipSampleType = itk::Statistics::MembershipSample<SampleType>;
MembershipSampleType::Pointer membershipSample = MembershipSampleType::New();
membershipSample->SetSample(sample);
membershipSample->SetNumberOfClasses(2);
membershipSample->AddInstance(0U, 0UL);
membershipSample->AddInstance(0U, 1UL);
membershipSample->AddInstance(1U, 2UL);
MembershipSampleType::ConstIterator iter = membershipSample->Begin();
while (iter != membershipSample->End())
{
std::cout << "instance identifier = " << iter.GetInstanceIdentifier()
<< "\t measurement vector = " << iter.GetMeasurementVector() << "\t frequency = " << iter.GetFrequency()
<< "\t class label = " << iter.GetClassLabel() << std::endl;
++iter;
}
MembershipSampleType::ClassSampleType::ConstPointer classSample = membershipSample->GetClassSample(0);
MembershipSampleType::ClassSampleType::ConstIterator c_iter = classSample->Begin();
while (c_iter != classSample->End())
{
std::cout << "instance identifier = " << c_iter.GetInstanceIdentifier()
<< "\t measurement vector = " << c_iter.GetMeasurementVector()
<< "\t frequency = " << c_iter.GetFrequency() << std::endl;
++c_iter;
}
return EXIT_SUCCESS;
}
itk::Statistics::MembershipSample
Container for storing the instance-identifiers of other sample with their associated class labels.
Definition: itkMembershipSample.h:57
itk::Vector
A templated class holding a n-Dimensional vector.
Definition: itkVector.h:62
itk::Statistics::ListSample
This class is the native implementation of the a Sample with an STL container.
Definition: itkListSample.h:51
itkMembershipSample.h
itkListSample.h
itkVector.h