RegularPolygonSource
VTKExamples/Java/GeometricObjects/RegularPolygonSource
Description¶
Java Program to create a pentagon.
Question
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Code¶
RegularPolygonSource.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.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); } }); } }