ITK/Examples/Math/CovariantVectorNorm: Difference between revisions

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==CovariantVectorNorm.cxx==
{{warning|1=The media wiki content on this page is no longer maintained.  The examples presented on the https://itk.org/Wiki/*  pages likely require ITK version 4.13 or earlier releases.  In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.
<source lang="cpp">
}}
#include <itkCovariantVector.h>


int main(int, char*[])
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
{
  typedef itk::CovariantVector<double, 3> VectorType;
  VectorType v;
  v[0] = 1.0;
  v[1] = 2.0;
  v[2] = 3.0;
 
  std::cout << "v: " << v << std::endl;
 
  // norm
  VectorType::RealValueType vnorm = v.GetNorm();
  std::cout << "vnorm: " << vnorm << std::endl;
 
  VectorType::RealValueType vnorm2 = v.GetSquaredNorm();
  std::cout << "vnorm2: " << vnorm2 << std::endl;
 
  VectorType u = v;
 
  // normalization
  v.Normalize();
  std::cout << "v: " << v << std::endl;
 
  // another way to normalize
  if( vnorm != 0. )
    {
    for( unsigned int i = 0; i < u.GetNumberOfComponents(); i++ )
      {
      u[i] /= vnorm;
      }
    }
 
  std::cout << "u: " << u << std::endl;
 
  if( ( u - v ).GetNorm() != 0. )
    {
    return EXIT_FAILURE;
    }
 
  return EXIT_SUCCESS;
}
 
</source>
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 21:33, 30 May 2019

Warning: The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.

[ITK Sphinx Examples]

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