BoundingBoxIntersection

VTKExamples/Cxx/Utilities/BoundingBoxIntersection

Question

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Code

BoundingBoxIntersection.cxx

#include <vtkBoundingBox.h>

int main(int, char *[])
{
  vtkBoundingBox boundingBox0;
  boundingBox0.SetBounds(0, 1, 0, 1, 0, 1);

  vtkBoundingBox boundingBox1;
  boundingBox1.SetBounds(5, 6, 5, 6, 5, 6);

  vtkBoundingBox boundingBox2;
  boundingBox2.SetBounds(0.5, 1.5, 0.5, 1.5, 0.5, 1.5);

  std::cout << boundingBox0.IntersectBox(boundingBox1) << std::endl; // Should be 0
  std::cout << boundingBox0.IntersectBox(boundingBox2) << std::endl; // Should be 1

  return EXIT_SUCCESS;
}

CMakeLists.txt

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(BoundingBoxIntersection)

find_package(VTK COMPONENTS 
  vtkCommonDataModel QUIET)
if (NOT VTK_FOUND)
  message("Skipping BoundingBoxIntersection: ${VTK_NOT_FOUND_MESSAGE}")
  return ()
endif()
message (STATUS "VTK_VERSION: ${VTK_VERSION}")
if (VTK_VERSION VERSION_LESS "8.90.0")
  # old system
  include(${VTK_USE_FILE})
  add_executable(BoundingBoxIntersection MACOSX_BUNDLE BoundingBoxIntersection.cxx )
  target_link_libraries(BoundingBoxIntersection PRIVATE ${VTK_LIBRARIES})
else ()
  # include all components
  add_executable(BoundingBoxIntersection MACOSX_BUNDLE BoundingBoxIntersection.cxx )
  target_link_libraries(BoundingBoxIntersection PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS BoundingBoxIntersection
    MODULES ${VTK_LIBRARIES}
    )
endif () 

Download and Build BoundingBoxIntersection

Click here to download BoundingBoxIntersection and its CMakeLists.txt file. Once the tarball BoundingBoxIntersection.tar has been downloaded and extracted,

cd BoundingBoxIntersection/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:

./BoundingBoxIntersection

WINDOWS USERS

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