RegularPolygonSource

  import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

import vtk.vtkActor;
import vtk.vtkNamedColors;
import vtk.vtkNativeLibrary;
import vtk.vtkPanel;
import vtk.vtkRegularPolygonSource;
import vtk.vtkShrinkPolyData;
import vtk.vtkPolyDataMapper;
import vtk.vtkProperty;



public class RegularPolygonSource extends JPanel implements ActionListener {
      private static final long serialVersionUID = 1L;
      private vtkPanel renWin;
      private JButton exitButton;

      // -----------------------------------------------------------------
      // Load VTK library and print which library was not properly loaded
      static {
        if (!vtkNativeLibrary.LoadAllNativeLibraries()) {
          for (vtkNativeLibrary lib : vtkNativeLibrary.values()) {
            if (!lib.IsLoaded()) {
              System.out.println(lib.GetLibraryName() + " not loaded");
            }
          }
        }
        vtkNativeLibrary.DisableOutputWindow(null);
      }
      // -----------------------------------------------------------------


      public RegularPolygonSource() {
        super(new BorderLayout());

      vtkNamedColors Color = new vtkNamedColors();

      //For Actor Color
      double ActorColor[] = new double[4];
      //Renderer Background Color
      double BgColor[] = new double[4];
      //BackFace color 
      double BackColor[] = new double[4];


      //Change Color Name to Use your own Color for Change Actor Color
      Color.GetColor("DarkMagenta",ActorColor);
      //Change Color Name to Use your own Color for Renderer Background
      Color.GetColor("White",BgColor);
      //Change Color Name to Use your own Color for BackFace Color
       Color.GetColor("Yellow",BackColor);



      vtkRegularPolygonSource PolygonSource = new vtkRegularPolygonSource();
      PolygonSource.SetNumberOfSides(5);
      PolygonSource.SetRadius(5);
      PolygonSource.SetCenter(0,0,0);

      //shrink cells composing an arbitrary data set
      vtkShrinkPolyData shrink = new vtkShrinkPolyData();
      shrink.SetInputConnection(PolygonSource.GetOutputPort());
      shrink.SetShrinkFactor(.9);


      //Create a Mapper and Actor
      vtkPolyDataMapper Mapper = new vtkPolyDataMapper();
      Mapper.SetInputConnection(shrink.GetOutputPort());

      vtkProperty Back = new vtkProperty();
      Back.SetColor(BackColor);


      vtkActor Actor = new vtkActor();
      Actor.SetMapper(Mapper);
      Actor.GetProperty().EdgeVisibilityOn();
      Actor.GetProperty().SetLineWidth(5);
      Actor.GetProperty().SetColor(ActorColor); 
      Actor.SetBackfaceProperty(Back);

      renWin = new vtkPanel();
      renWin.GetRenderer().AddActor(Actor);
      renWin.resetCamera();
      renWin.GetRenderer().SetBackground(BgColor);



      // Add Java UI components
      exitButton = new JButton("Exit");
      exitButton.addActionListener(this);

      add(renWin, BorderLayout.CENTER);
      add(exitButton, BorderLayout.SOUTH);
      }


    /** An ActionListener that listens to the button. */
      public void actionPerformed(ActionEvent e) {
        if (e.getSource().equals(exitButton)) {
          System.exit(0);
        }
      }

      public static void main(String s[]) {
        SwingUtilities.invokeLater(new Runnable() {
          public void run() {
            JFrame frame = new JFrame("Regular Polygon Source");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.getContentPane().setLayout(new BorderLayout());
            frame.getContentPane().add(new RegularPolygonSource(), BorderLayout.CENTER);
            frame.setSize(400, 400);
            frame.setLocationRelativeTo(null);
            frame.setVisible(true);
          }
        });
      }
    }