# PlatonicSolid

VTKExamples/Cxx/GeometricObjects/PlatonicSolid

### Code

PlatonicSolid.cxx

    #include <vtkSmartPointer.h>

    #include <vtkPlatonicSolidSource.h>
    #include <vtkLookupTable.h>
    #include <vtkPolyDataMapper.h>
    #include <vtkActor.h>
    #include <vtkRenderWindow.h>
    #include <vtkRenderer.h>
    #include <vtkRenderWindowInteractor.h>

    int main(int, char *[])
    {
      vtkSmartPointer<vtkPlatonicSolidSource> platonicSolidSource =
        vtkSmartPointer<vtkPlatonicSolidSource>::New();
      platonicSolidSource->SetSolidTypeToOctahedron();

      // Each face has a different cell scalar
      vtkSmartPointer<vtkLookupTable> lut =
        vtkSmartPointer<vtkLookupTable>::New();
      lut->SetNumberOfTableValues(8);
      lut->SetTableRange(0.0, 7.0);
      lut->Build();
      lut->SetTableValue(0, 0, 0, 0);
      lut->SetTableValue(1, 0, 0, 1);
      lut->SetTableValue(2, 0, 1, 0);
      lut->SetTableValue(3, 0, 1, 1);
      lut->SetTableValue(4, 1, 0, 0);
      lut->SetTableValue(5, 1, 0, 1);
      lut->SetTableValue(6, 1, 1, 0);
      lut->SetTableValue(7, 1, 1, 1);

      //Create a mapper and actor.
      vtkSmartPointer<vtkPolyDataMapper> mapper =
        vtkSmartPointer<vtkPolyDataMapper>::New();
      mapper->SetInputConnection(platonicSolidSource->GetOutputPort());
      mapper->SetLookupTable(lut);
      mapper->SetScalarRange(0, 7);

      vtkSmartPointer<vtkActor> actor =
        vtkSmartPointer<vtkActor>::New();
      actor->SetMapper(mapper);

      //Create a renderer, render window, and interactor
      vtkSmartPointer<vtkRenderer> renderer =
        vtkSmartPointer<vtkRenderer>::New();
      vtkSmartPointer<vtkRenderWindow> renderWindow =
        vtkSmartPointer<vtkRenderWindow>::New();
      renderWindow->AddRenderer(renderer);
      vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =
        vtkSmartPointer<vtkRenderWindowInteractor>::New();
      renderWindowInteractor->SetRenderWindow(renderWindow);

      //Add the actors to the scene
      renderer->AddActor(actor);
      renderer->SetBackground(.1, .2, .3);

      //Render and interact
      renderWindow->Render();
      renderWindowInteractor->Start();

      return EXIT_SUCCESS;
    }

### CMakeLists.txt

    cmake_minimum_required(VERSION 2.8)

    PROJECT(PlatonicSolid)

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

    add_executable(PlatonicSolid MACOSX_BUNDLE PlatonicSolid.cxx )

    target_link_libraries(PlatonicSolid ${VTK_LIBRARIES})

### Download and Build PlatonicSolid

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

    cd PlatonicSolid/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:

    ./PlatonicSolid

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.