LongLine

 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.vtkNativeLibrary;
import vtk.vtkPanel;
import vtk.vtkPolyDataMapper;
import vtk.vtkLine;
import vtk.vtkCellArray;
import vtk.vtkPoints;
import vtk.vtkPolyData;


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


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

        double origin[] = new double[] {0.0,0.0,0.0};
        double p0[] = new double[] {1.0,0.0,0.0};
        double p1[] = new double[] {0.0,1.0,0.0};
        double p2[] = new double[] {0.0,1.0,2.0};
        double p3[] = new double[] {1.0,2.0,3.0};


        //Create a vtkPoints object and store the points in it
           vtkPoints Points = new vtkPoints();
           Points.InsertNextPoint(origin);
           Points.InsertNextPoint(p0);
           Points.InsertNextPoint(p1);
           Points.InsertNextPoint(p2);
           Points.InsertNextPoint(p3);



        // Create a cell array to store the lines in and add the lines to it

        vtkCellArray Lines = new vtkCellArray();
        for(int i = 0; i < 3; i++)
         {
            vtkLine Line = new vtkLine();
            Line.GetPointIds().SetId(0, i);
            Line.GetPointIds().SetId(1, i+1);
            Lines.InsertNextCell(Line);
         }

        //// Create a polydata
        vtkPolyData LinesPolyData = new vtkPolyData();
        LinesPolyData.SetPoints(Points);
        LinesPolyData.SetLines(Lines);


         //Create a Mapper and Actor
         vtkPolyDataMapper Mapper = new vtkPolyDataMapper();
         Mapper.SetInputData(LinesPolyData);

         vtkActor Actor = new vtkActor();
         Actor.SetMapper(Mapper);
         Actor.GetProperty().SetColor(1.0, 0.5, 0.5); 
         Actor.GetProperty().SetLineWidth(5);

          renWin = new vtkPanel();
          renWin.GetRenderer().AddActor(Actor);
          renWin.GetRenderer().SetBackground(0.1, 0.5, 0.1);
          renWin.resetCamera();
          renWin.resetCameraClippingRange();

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