ITK/Examples/SimpleOperations/DistanceBetweenPoints

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Compute the distance between two 3D points. This can easily be extended to ND by changing the Point template parameter.

DistanceBetweenPoints.cxx

#include "itkPoint.h"
 
#include <iostream>
#include <string>
 
int main(int, char *[])
{
  itk::Point<double,3> p0;
  p0[0] = 0.0;
  p0[1] = 0.0;
  p0[2] = 0.0;
 
  itk::Point<double,3> p1;
  p1[0] = 1.0;
  p1[1] = 1.0;
  p1[2] = 1.0;
 
  double dist = p0.EuclideanDistanceTo(p1);
  std::cout << "Dist: " << dist << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)
 
project(DistanceBetweenPoints)
 
find_package(ITK REQUIRED)
include(${ITK_USE_FILE})
 
add_executable(DistanceBetweenPoints DistanceBetweenPoints.cxx)
 
if( "${ITK_VERSION_MAJOR}" LESS 4 )
  target_link_libraries(DistanceBetweenPoints ITKReview ${ITK_LIBRARIES})
else( "${ITK_VERSION_MAJOR}" LESS 4 )
  target_link_libraries(DistanceBetweenPoints ${ITK_LIBRARIES})
endif( "${ITK_VERSION_MAJOR}" LESS 4 )
Retrieved from "http://www.itk.org/Wiki/ITK/Examples/SimpleOperations/DistanceBetweenPoints"
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