PlanesIntersection
VTKExamples/Cxx/GeometricObjects/PlanesIntersection
Code
PlanesIntersection.cxx
#include <vtkSmartPointer.h>
#include <vtkPoints.h>
#include <vtkPlanesIntersection.h>
#include <vtkSphereSource.h>
int main(int, char *[])
{
vtkSmartPointer<vtkSphereSource> sphereSource =
vtkSmartPointer<vtkSphereSource>::New();
sphereSource->Update();
double bounds[6];
sphereSource->GetOutput()->GetBounds(bounds);
vtkSmartPointer<vtkPoints> box =
vtkSmartPointer<vtkPoints>::New();
box->SetNumberOfPoints(8);
double xMin, xMax, yMin, yMax, zMin, zMax;
xMin = bounds[0]; xMax = bounds[1];
yMin = bounds[2]; yMax = bounds[3];
zMin = bounds[4]; zMax = bounds[5];
box->SetPoint(0, xMax, yMin, zMax);
box->SetPoint(1, xMax, yMin, zMin);
box->SetPoint(2, xMax, yMax, zMin);
box->SetPoint(3, xMax, yMax, zMax);
box->SetPoint(4, xMin, yMin, zMax);
box->SetPoint(5, xMin, yMin, zMin);
box->SetPoint(6, xMin, yMax, zMin);
box->SetPoint(7, xMin, yMax, zMax);
vtkSmartPointer<vtkPlanesIntersection> planesIntersection =
vtkSmartPointer<vtkPlanesIntersection>::New();
planesIntersection->SetBounds(bounds);
int intersects = planesIntersection->IntersectsRegion(box);
std::cout << "Intersects? " << intersects << std::endl;
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(PlanesIntersection)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(PlanesIntersection MACOSX_BUNDLE PlanesIntersection.cxx)
target_link_libraries(PlanesIntersection ${VTK_LIBRARIES})
Download and Build PlanesIntersection
Click here to download PlanesIntersection and its CMakeLists.txt file. Once the tarball PlanesIntersection.tar has been downloaded and extracted,
cd PlanesIntersection/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:
./PlanesIntersection
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.