LayeredRenderers
VTKExamples/Cxx/WishList/Visualization/LayeredRenderers
Code¶
LayeredRenderers.cxx
#include <vtkSphereSource.h> #include <vtkTransform.h> #include <vtkPolyData.h> #include <vtkSmartPointer.h> #include <vtkPolyDataMapper.h> #include <vtkActor.h> #include <vtkRenderWindow.h> #include <vtkRenderer.h> #include <vtkRenderWindowInteractor.h> #include <vtkVectorText.h> int main(int, char *[]) { // Create a sphere vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New(); sphereSource->Update(); vtkSmartPointer<vtkPolyDataMapper> sphereMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); sphereMapper->SetInputConnection(sphereSource->GetOutputPort()); vtkSmartPointer<vtkActor> sphereActor = vtkSmartPointer<vtkActor>::New(); sphereActor->SetMapper(sphereMapper); // Create text vtkSmartPointer<vtkVectorText> textSource = vtkSmartPointer<vtkVectorText>::New(); textSource->SetText("TEXT"); textSource->Update(); vtkSmartPointer<vtkPolyDataMapper> textMapper = vtkSmartPointer<vtkPolyDataMapper>::New(); textMapper->SetInputConnection(textSource->GetOutputPort()); vtkSmartPointer<vtkActor> textActor = vtkSmartPointer<vtkActor>::New(); textActor->SetMapper(textMapper); vtkSmartPointer<vtkRenderer> renderer1 = vtkSmartPointer<vtkRenderer>::New(); renderer1->SetLayer(0); vtkSmartPointer<vtkRenderer> renderer2 = vtkSmartPointer<vtkRenderer>::New(); renderer2->SetActiveCamera(renderer1->GetActiveCamera()); renderer2->SetLayer(1); vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); renderWindow->AddRenderer(renderer1); renderWindow->AddRenderer(renderer2); vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor = vtkSmartPointer<vtkRenderWindowInteractor>::New(); renderWindowInteractor->SetRenderWindow(renderWindow); renderer1->AddActor(sphereActor); renderer2->AddActor(textActor); renderWindow->SetNumberOfLayers(2); renderer1->ResetCamera(); renderWindow->Render(); renderWindowInteractor->Start(); return EXIT_SUCCESS; }
CMakeLists.txt¶
cmake_minimum_required(VERSION 2.8) PROJECT(LayeredRenderers) find_package(VTK REQUIRED) include(${VTK_USE_FILE}) add_executable(LayeredRenderers MACOSX_BUNDLE LayeredRenderers.cxx) target_link_libraries(LayeredRenderers ${VTK_LIBRARIES})
Download and Build LayeredRenderers¶
Danger
The generation of tar files has not been ported to the new VTKExamples. Some tarballs may be missing or out-of-date.
Click here to download LayeredRenderers and its CMakeLists.txt file. Once the tarball LayeredRenderers.tar has been downloaded and extracted,
cd LayeredRenderers/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:
./LayeredRenderers
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.