Line
VTKExamples/Java/GeometricObjects/Line
Description¶
The line is a primary one-dimensional cell. It is defined by two points. The direction along the line is from the first point to the second point.
Question
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Code¶
Line.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.vtkNativeLibrary; import vtk.vtkPanel; import vtk.vtkPolyDataMapper; import vtk.vtkLineSource; //Author: Bharatesh Chakravarthi //Affiliation: VE Lab, Chung Ang University, Seoul, South Korea. public class Line 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 Line() { super(new BorderLayout()); double p0[] = new double[] {1.0,0.0,0.0}; double p1[] = new double[] {0.0,1.0,0.0}; //Create a Line vtkLineSource LineSource = new vtkLineSource(); LineSource.SetPoint1(p0); LineSource.SetPoint1(p1); //Create a Mapper and Actor vtkPolyDataMapper Mapper = new vtkPolyDataMapper(); Mapper.SetInputConnection(LineSource.GetOutputPort()); vtkActor Actor = new vtkActor(); Actor.SetMapper(Mapper); Actor.GetProperty().SetColor(0.0, 0.5, 0.5); Actor.GetProperty().SetLineWidth(5); renWin = new vtkPanel(); renWin.GetRenderer().AddActor(Actor); renWin.GetRenderer().SetBackground(0.0, 0.1, 0.1); 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("Line"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().setLayout(new BorderLayout()); frame.getContentPane().add(new Line(), BorderLayout.CENTER); frame.setSize(400, 400); frame.setLocationRelativeTo(null); frame.setVisible(true); } }); } }