# RenderWindowUIMultipleInheritance

VTKExamples/Cxx/Qt/RenderWindowUIMultipleInheritance

### Code

RenderWindowUIMultipleInheritance.cxx

    #include "RenderWindowUIMultipleInheritance.h"

    #include <vtkGenericOpenGLRenderWindow.h>
    #include <vtkPolyDataMapper.h>
    #include <vtkRenderer.h>
    #include <vtkRenderWindow.h>
    #include <vtkSphereSource.h>
    #include <vtkSmartPointer.h>

    // Constructor
    RenderWindowUIMultipleInheritance::RenderWindowUIMultipleInheritance()
    {
      this->setupUi(this);

      vtkNew<vtkGenericOpenGLRenderWindow> renderWindow;
      qvtkWidget->SetRenderWindow(renderWindow);

      // 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);

      // VTK Renderer
      vtkSmartPointer<vtkRenderer> renderer =
        vtkSmartPointer<vtkRenderer>::New();
      renderer->AddActor(sphereActor);

      // VTK/Qt wedded
      this->qvtkWidget->GetRenderWindow()->AddRenderer(renderer);

      // Set up action signals and slots
      connect(this->actionExit, SIGNAL(triggered()), this, SLOT(slotExit()));

    };

    void RenderWindowUIMultipleInheritance::slotExit()
    {
      qApp->exit();
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 2.8)

    PROJECT(RenderWindowUIMultipleInheritance)

    find_package(VTK REQUIRED)
    include(${VTK_USE_FILE})

    add_executable(RenderWindowUIMultipleInheritance MACOSX_BUNDLE RenderWindowUIMultipleInheritance.cxx )

    target_link_libraries(RenderWindowUIMultipleInheritance ${VTK_LIBRARIES})

### Download and Build RenderWindowUIMultipleInheritance

Click here to download RenderWindowUIMultipleInheritance and its CMakeLists.txt file. Once the tarball RenderWindowUIMultipleInheritance.tar has been downloaded and extracted,

    cd RenderWindowUIMultipleInheritance/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:

    ./RenderWindowUIMultipleInheritance

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.