Box

#include <vtkBox.h>

int main(int, char*[])
{
  // Define a box
  double bounds[6] = {-1, 1, -1, 1, -1, 1};

  // Define a ray
  double rayOrigin[3] = {-5.0, 0, 0};
  double rayDirection[3] = {1, 0, 0};

  double intersection[3];
  double t;

  auto hit =
      vtkBox::IntersectBox(bounds, rayOrigin, rayDirection, intersection, t);

  if (!hit)
  {
    std::cout << "Not hit!" << std::endl;
  }
  else
  {
    // Intersection should be (-1.0, 0, 0)
    std::cout << "Intersection is " << intersection[0] << " " << intersection[1]
              << " " << intersection[2] << std::endl;
    std::cout << "t is " << t << std::endl;
  }

  return EXIT_SUCCESS;
}

cmake_minimum_required(VERSION 3.3 FATAL_ERROR)

project(Box)

find_package(VTK COMPONENTS 
  vtkCommonDataModel
  QUIET
)

if (NOT VTK_FOUND)
  message("Skipping Box: ${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(Box MACOSX_BUNDLE Box.cxx )
  target_link_libraries(Box PRIVATE ${VTK_LIBRARIES})
else()
  # 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(Box MACOSX_BUNDLE Box.cxx )
  target_link_libraries(Box PRIVATE ${VTK_LIBRARIES})
  # vtk_module_autoinit is needed
  vtk_module_autoinit(
    TARGETS Box
    MODULES ${VTK_LIBRARIES}
    )
endif()

cd Box/build

cmake ..

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

make

./Box