VTK/Examples/Cxx/Utilities/BoundingBox

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See also: VTK/Examples/Cxx/PolyData/Outline and VTK/Examples/Cxx/Visualization/CubeAxesActor2D

BoundingBox.cxx

#include <vtkBoundingBox.h>

int main(int, char *[])
{
  double p0[3] = {0,0,0};
  double p1[3] = {0.5,0.5,0.5};
  double p2[3] = {1.0,1.0,1.0};

  vtkBoundingBox boundingBox;

  boundingBox.AddPoint(p0);

  double bounds[6];

  boundingBox.GetBounds(bounds);
  std::cout << "Bounds: " << bounds[0] << ", " << bounds[1] << ", " << bounds[2] << ", "
            << bounds[3] << ", " << bounds[4] << ", " << bounds[5] << std::endl;

  // After adding this point, the box gets bigger
  boundingBox.AddPoint(p2);

  boundingBox.GetBounds(bounds);
  std::cout << "Bounds: " << bounds[0] << ", " << bounds[1] << ", " << bounds[2] << ", "
            << bounds[3] << ", " << bounds[4] << ", " << bounds[5] << std::endl;

  // After adding this point, the box size does not change as the point is already inside the box
  boundingBox.AddPoint(p1);

  boundingBox.GetBounds(bounds);
  std::cout << "Bounds: " << bounds[0] << ", " << bounds[1] << ", " << bounds[2] << ", "
            << bounds[3] << ", " << bounds[4] << ", " << bounds[5] << std::endl;

  return EXIT_SUCCESS;
}

Please try the new VTKExamples website.

CMakeLists.txt

cmake_minimum_required(VERSION 2.8)

PROJECT(BoundingBox)

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

add_executable(BoundingBox MACOSX_BUNDLE BoundingBox.cxx)

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

Download and Build BoundingBox

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

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

cd BoundingBox/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:

./BoundingBox

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.