VTK/Examples/Cxx/Math/NormalizeVector

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NormalizeVector.cxx

#include "vtkMath.h"

int main(int, char*[])
{
  double a[3] = {100.0, 2.0, 1.0};
  std::cout << a[0] << " " << a[1] << " " << a[2] << std::endl;
  vtkMath::Normalize(a);
  std::cout << a[0] << " " << a[1] << " " << a[2] << std::endl;
  
  return EXIT_SUCCESS;
}

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CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(NormalizeVector)

find_package(VTK REQUIRED)
include(${VTK_USE_FILE})

add_executable(NormalizeVector MACOSX_BUNDLE NormalizeVector.cxx)

if(VTK_LIBRARIES)
  target_link_libraries(NormalizeVector ${VTK_LIBRARIES})
else()
  target_link_libraries(NormalizeVector vtkHybrid vtkWidgets)
endif()

Download and Build NormalizeVector

Click here to download NormalizeVector. and its CMakeLists.txt file.

Once the tarball NormalizeVector.tar has been downloaded and extracted,

cd NormalizeVector/build 
  • If VTK is installed:
cmake ..
  • If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:
cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

make

and run it:

./NormalizeVector

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.