VTK/Examples/Cxx/SimpleOperations/DistanceBetweenPoints
From KitwarePublic
This example finds the squared distance and the Euclidean distance between two 3D points.
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DistanceBetweenPoints.cxx
#include <vtkMath.h> int main(int, char *[]) { // Create two points. double p0[3] = {0.0, 0.0, 0.0}; double p1[3] = {1.0, 1.0, 1.0}; // Find the squared distance between the points. double squaredDistance = vtkMath::Distance2BetweenPoints(p0, p1); // Take the square root to get the Euclidean distance between the points. double distance = sqrt(squaredDistance); // Output the results. std::cout << "SquaredDistance = " << squaredDistance << std::endl; std::cout << "Distance = " << distance << std::endl; return EXIT_SUCCESS; }
CMakeLists.txt
cmake_minimum_required(VERSION 2.8) PROJECT(DistanceBetweenPoints) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) if (APPLE) add_executable(DistanceBetweenPoints MACOSX_BUNDLE DistanceBetweenPoints.cxx) else() add_executable(DistanceBetweenPoints DistanceBetweenPoints.cxx) endif() if(VTK_LIBRARIES) target_link_libraries(DistanceBetweenPoints ${VTK_LIBRARIES}) else() target_link_libraries(DistanceBetweenPoints vtkHybrid ) endif()
