LightActor
VTKExamples/Cxx/Lighting/LightActor
Code
LightActor.cxx
#include <cstdlib>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include <vtkLightActor.h>
#include <vtkLight.h>
#include <vtkSmartPointer.h>
#include <vtkRenderWindowInteractor.h>
int main(int, char *[])
{
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
// Display where the light is
vtkSmartPointer<vtkLight> light = vtkSmartPointer<vtkLight>::New();
light->SetPositional(true); // without this line, the program crashes
vtkSmartPointer<vtkLightActor> lightActor = vtkSmartPointer<vtkLightActor>::New();
lightActor->SetLight(light);
renderer->AddViewProp(lightActor);
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New();
renderWindow->AddRenderer(renderer);
vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
vtkSmartPointer<vtkRenderWindowInteractor>::New();
renderWindowInteractor->SetRenderWindow(renderWindow);
renderWindow->Render();
renderWindowInteractor->Start();
return EXIT_SUCCESS;
}
CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
PROJECT(LightActor)
find_package(VTK REQUIRED)
include(${VTK_USE_FILE})
add_executable(LightActor MACOSX_BUNDLE LightActor.cxx)
target_link_libraries(LightActor ${VTK_LIBRARIES})
Download and Build LightActor
Click here to download LightActor and its CMakeLists.txt file. Once the tarball LightActor.tar has been downloaded and extracted,
cd LightActor/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:
./LightActor
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.