BoundingBoxIntersection

Repository source: BoundingBoxIntersection

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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 3.12 FATAL_ERROR)

project(BoundingBoxIntersection)

find_package(VTK COMPONENTS 
  CommonDataModel
)

if (NOT VTK_FOUND)
  message(FATAL_ERROR "BoundingBoxIntersection: Unable to find the VTK build folder.")
endif()

# Prevent a "command line is too long" failure in Windows.
set(CMAKE_NINJA_FORCE_RESPONSE_FILE "ON" CACHE BOOL "Force Ninja to use response files.")
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}
)

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.