Box
VTKExamples/Cxx/Utilities/Box
Code
Box.cxx
#include <vtkSmartPointer.h>
#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, 0};
double intersection[3];
double t;
char 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;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(Box)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(Box MACOSX_BUNDLE Box.cxx)
target_link_libraries(Box ${VTK_LIBRARIES})
Download and Build Box
Click here to download Box and its CMakeLists.txt file. Once the tarball Box.tar has been downloaded and extracted,
cd Box/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:
./Box
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.