# Cone

VTKExamples/Java/GeometricObjects/Cone

Java Program to Visualize a Cone Author: Bharatesh Chakravarthi Affiliation: VE Lab, Chung Ang University, Seoul, South Korea

### Code

Cone.java

    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.vtkConeSource;
    import vtk.vtkNativeLibrary;
    import vtk.vtkPanel;
    import vtk.vtkPolyDataMapper;

    //Author: Bharatesh Chakravarthi
    //Affiliation: VE Lab, Chung Ang University, Seoul, South Korea.

    public class Cone 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 Cone() {
            super(new BorderLayout());

          //create a Cone
          vtkConeSource ConeSource = new vtkConeSource();
         //Uncomment below line to set the Resolution of Cone
         // ConeSource.SetResolution(100);
          ConeSource.Update();

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

          vtkActor Actor = new vtkActor();
          Actor.SetMapper(Mapper);

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

          // 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("Cone");
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.getContentPane().setLayout(new BorderLayout());
                frame.getContentPane().add(new Cone(), BorderLayout.CENTER);
                frame.setSize(400, 400);
                frame.setLocationRelativeTo(null);
                frame.setVisible(true);
              }
            });
          }
        }