ITK/Examples/SimpleOperations/DistanceBetweenIndices

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Compute the distance between two indices.

DistanceBetweenIndices.cxx

#include "itkPoint.h"
#include "itkIndex.h"
 
#include <iostream>
#include <string>
 
int main(int, char *[])
{
  itk::Index<2> pixel1;
  pixel1.Fill(2);
 
  itk::Index<2> pixel2;
  pixel2.Fill(4);
 
  itk::Point<double,2> p1;
  p1[0] = pixel1[0];
  p1[1] = pixel1[1];
 
  itk::Point<double,2> p2;
  p2[0] = pixel2[0];
  p2[1] = pixel2[1];
 
  double distance = p2.EuclideanDistanceTo(p1);
  std::cout << "Distance: " << distance << std::endl;
 
  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
PROJECT(DistanceBetweenIndices)
 
FIND_PACKAGE(ITK REQUIRED)
INCLUDE(${ITK_USE_FILE})
 
ADD_EXECUTABLE(DistanceBetweenIndices DistanceBetweenIndices.cxx)
TARGET_LINK_LIBRARIES(DistanceBetweenIndices ITKNumerics)
Retrieved from "http://www.itk.org/Wiki/ITK/Examples/SimpleOperations/DistanceBetweenIndices"
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