gov/nasa/worldwind/examples/FlatWorld.java

   1 /*
   2 Copyright (C) 2001, 2006 United States Government
   3 as represented by the Administrator of the
   4 National Aeronautics and Space Administration.
   5 All Rights Reserved.
   6 */
   7 package gov.nasa.worldwind.examples;
   8
   9 import gov.nasa.worldwind.Configuration;
  10 import gov.nasa.worldwind.avlist.AVKey;
  11 import gov.nasa.worldwind.globes.*;
  12 import gov.nasa.worldwind.layers.Earth.*;
  13 import gov.nasa.worldwind.layers.LayerList;
  14 import gov.nasa.worldwind.view.FlatOrbitView;
  15
  16 import javax.swing.*;
  17 import javax.swing.border.*;
  18 import java.awt.*;
  19 import java.awt.event.*;
  20
  21 /** Using the EarthFlat, FlatOrbitView and BasicRectangularTessellator
  22  * @author Patrick Murris
  23  * @version $Id$
  24  */
  25 public class FlatWorld extends ApplicationTemplate
  26 {
  27     public static class AppFrame extends ApplicationTemplate.AppFrame
  28     {
  29         private FlatGlobe globe;
  30         private String projection;
  31
  32         public AppFrame()
  33         {
  34             super(true, true, false);
  35
  36             // Get a reference to the Globe
  37             this.globe = (FlatGlobe)this.getWwd().getModel().getGlobe();
  38
  39             // Change atmosphere SkyGradientLayer for SkyColorLayer
  40             LayerList layers = this.getWwd().getModel().getLayers();
  41             for(int i = 0; i < layers.size(); i++)
  42             {
  43                 if(layers.get(i) instanceof SkyGradientLayer)
  44                     layers.set(i, new SkyColorLayer());
  45             }
  46             this.getLayerPanel().update(this.getWwd());
  47
  48             this.getWwd().getModel().setShowWireframeInterior(true);
  49
  50             // Add control panel
  51             this.getLayerPanel().add(makeControlPanel(),  BorderLayout.SOUTH);
  52         }
  53
  54         private JPanel makeControlPanel()
  55         {
  56             JPanel controlPanel = new JPanel(new GridLayout(0, 1, 0, 0));
  57
  58             // Projection combo
  59             JPanel comboPanel = new JPanel(new GridLayout(0, 2, 0, 0));
  60             comboPanel.add(new JLabel("  Projection:"));
  61             final JComboBox cb1 = new JComboBox(new String[] {"Lat-Lon", "Mercator", "Sinusoidal", "Test"});
  62             cb1.addActionListener(new ActionListener()
  63             {
  64                 public void actionPerformed(ActionEvent actionEvent)
  65                 {
  66                     String item = (String) cb1.getSelectedItem();
  67                     if(item.compareToIgnoreCase("Lat-Lon") == 0)
  68                     {
  69                         projection = FlatGlobe.PROJECTION_LAT_LON;
  70                     }
  71                     else if(item.compareToIgnoreCase("Mercator") == 0)
  72                     {
  73                         projection = FlatGlobe.PROJECTION_MERCATOR;
  74                     }
  75                     else if(item.compareToIgnoreCase("Sinusoidal") == 0)
  76                     {
  77                         projection = FlatGlobe.PROJECTION_SINUSOIDAL;
  78                     }
  79                     else if(item.compareToIgnoreCase("Test") == 0)
  80                     {
  81                         projection = FlatGlobe.PROJECTION_TEST;
  82                     }
  83                     update();
  84                 }
  85             });
  86             cb1.setSelectedItem("Lat-Lon");
  87             comboPanel.add(cb1);
  88
  89             controlPanel.add(comboPanel);
  90             controlPanel.setBorder(
  91                 new CompoundBorder(BorderFactory.createEmptyBorder(9, 9, 9, 9), new TitledBorder("Flat World")));
  92             controlPanel.setToolTipText("Set the current projection");
  93             return controlPanel;
  94         }
  95
  96         // Update worldwind
  97         private void update()
  98         {
  99             // Update globe projection
 100             this.globe.setProjection(this.projection);
 101             // Force a change in vertical exaggeration to rebuild geometry
 102             double ve = this.getWwd().getSceneController().getVerticalExaggeration();
 103             ve = ve % 1 == 0 ? ve + .5 : ve - (ve % 1);
 104             this.getWwd().getSceneController().setVerticalExaggeration(ve);
 105             this.getWwd().redraw();
 106         }
 107     }
 108
 109     public static void main(String[] args)
 110     {
 111         // Adjust configuration values before instanciation
 112         Configuration.setValue(AVKey.GLOBE_CLASS_NAME, EarthFlat.class.getName());
 113         Configuration.setValue(AVKey.VIEW_CLASS_NAME, FlatOrbitView.class.getName());
 114         ApplicationTemplate.start("World Wind Flat World", AppFrame.class);
 115     }
 116 }