+package tim.prune.threedee;
+
+import java.awt.BorderLayout;
+import java.awt.FlowLayout;
+import java.awt.Font;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.geom.GeneralPath;
+
+import javax.media.j3d.AmbientLight;
+import javax.media.j3d.Appearance;
+import javax.media.j3d.BoundingSphere;
+import javax.media.j3d.BranchGroup;
+import javax.media.j3d.Canvas3D;
+import javax.media.j3d.Font3D;
+import javax.media.j3d.FontExtrusion;
+import javax.media.j3d.GraphicsConfigTemplate3D;
+import javax.media.j3d.Group;
+import javax.media.j3d.Material;
+import javax.media.j3d.PointLight;
+import javax.media.j3d.Shape3D;
+import javax.media.j3d.Text3D;
+import javax.media.j3d.Transform3D;
+import javax.media.j3d.TransformGroup;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.vecmath.Color3f;
+import javax.vecmath.Matrix3d;
+import javax.vecmath.Point3d;
+import javax.vecmath.Point3f;
+import javax.vecmath.Vector3d;
+
+import com.sun.j3d.utils.behaviors.vp.OrbitBehavior;
+import com.sun.j3d.utils.geometry.Box;
+import com.sun.j3d.utils.geometry.Cylinder;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.universe.SimpleUniverse;
+
+import tim.prune.App;
+import tim.prune.I18nManager;
+import tim.prune.data.Altitude;
+import tim.prune.data.Track;
+
+
+/**
+ * Class to hold main window for java3d view of data
+ */
+public class Java3DWindow implements ThreeDWindow
+{
+ private App _app = null;
+ private Track _track = null;
+ private JFrame _parentFrame = null;
+ private JFrame _frame = null;
+ private OrbitBehavior _orbit = null;
+ private int _altitudeCap = ThreeDModel.MINIMUM_ALTITUDE_CAP;
+
+ /** only prompt about big track size once */
+ private static boolean TRACK_SIZE_WARNING_GIVEN = false;
+
+ // Constants
+ private static final double INITIAL_Y_ROTATION = -25.0;
+ private static final double INITIAL_X_ROTATION = 15.0;
+ private static final int INITIAL_ALTITUDE_CAP = 500;
+ private static final String CARDINALS_FONT = "Arial";
+ private static final int MAX_TRACK_SIZE = 2500; // threshold for warning
+
+
+ /**
+ * Constructor
+ * @param inApp App object to use for callbacks
+ * @param inFrame parent frame
+ */
+ public Java3DWindow(App inApp, JFrame inFrame)
+ {
+ _app = inApp;
+ _parentFrame = inFrame;
+ }
+
+
+ /**
+ * Set the track object
+ * @param inTrack Track object
+ */
+ public void setTrack(Track inTrack)
+ {
+ _track = inTrack;
+ }
+
+
+ /**
+ * Show the window
+ */
+ public void show() throws ThreeDException
+ {
+ // Get the altitude cap to use
+ String altitudeUnits = getAltitudeUnitsLabel(_track);
+ Object altCapString = JOptionPane.showInputDialog(_parentFrame,
+ I18nManager.getText("dialog.3d.altitudecap") + " (" + altitudeUnits + ")",
+ I18nManager.getText("dialog.3d.title"),
+ JOptionPane.QUESTION_MESSAGE, null, null, "" + _altitudeCap);
+ if (altCapString == null) return;
+ try
+ {
+ _altitudeCap = Integer.parseInt(altCapString.toString());
+ }
+ catch (Exception e) {} // Ignore parse errors
+
+ // Set up the graphics config
+ GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
+ if (config == null)
+ {
+ // Config shouldn't be null, but we can try to create a new one as a workaround
+ GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
+ gc.setDepthSize(0);
+ config = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(gc);
+ }
+
+ if (config == null)
+ {
+ // Second attempt also failed, going to have to give up here.
+ throw new ThreeDException("Couldn't create graphics config");
+ }
+
+ // Check number of points in model isn't too big, and suggest compression
+ Object[] buttonTexts = {I18nManager.getText("button.continue"), I18nManager.getText("button.cancel")};
+ if (_track.getNumPoints() > MAX_TRACK_SIZE && !TRACK_SIZE_WARNING_GIVEN)
+ {
+ if (JOptionPane.showOptionDialog(_frame,
+ I18nManager.getText("dialog.exportpov.warningtracksize"),
+ I18nManager.getText("dialog.exportpov.title"), JOptionPane.OK_CANCEL_OPTION,
+ JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
+ == JOptionPane.OK_OPTION)
+ {
+ // opted to continue, don't show warning again
+ TRACK_SIZE_WARNING_GIVEN = true;
+ }
+ else
+ {
+ // opted to cancel - show warning again next time
+ return;
+ }
+ }
+
+ Canvas3D canvas = new Canvas3D(config);
+ canvas.setSize(400, 300);
+
+ // Create the scene and attach it to the virtual universe
+ BranchGroup scene = createSceneGraph();
+ SimpleUniverse u = new SimpleUniverse(canvas);
+
+ // This will move the ViewPlatform back a bit so the
+ // objects in the scene can be viewed.
+ u.getViewingPlatform().setNominalViewingTransform();
+
+ // Add behaviour to rotate using mouse
+ _orbit = new OrbitBehavior(canvas, OrbitBehavior.REVERSE_ALL |
+ OrbitBehavior.STOP_ZOOM);
+ BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+ _orbit.setSchedulingBounds(bounds);
+ u.getViewingPlatform().setViewPlatformBehavior(_orbit);
+ u.addBranchGraph(scene);
+
+ // Don't reuse _frame object from last time, because data and/or scale might be different
+ // Need to regenerate everything
+ _frame = new JFrame(I18nManager.getText("dialog.3d.title"));
+ _frame.getContentPane().setLayout(new BorderLayout());
+ _frame.getContentPane().add(canvas, BorderLayout.CENTER);
+ // Make panel for render, close buttons
+ JPanel panel = new JPanel();
+ panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ // Add callback button for render
+ JButton renderButton = new JButton(I18nManager.getText("menu.file.exportpov"));
+ renderButton.addActionListener(new ActionListener()
+ {
+ /** Render button pressed */
+ public void actionPerformed(ActionEvent e)
+ {
+ if (_orbit != null)
+ {
+ callbackRender();
+ }
+ }});
+ panel.add(renderButton);
+ JButton closeButton = new JButton(I18nManager.getText("button.close"));
+ closeButton.addActionListener(new ActionListener()
+ {
+ /** Close button pressed - clean up */
+ public void actionPerformed(ActionEvent e)
+ {
+ _frame.dispose();
+ _frame = null;
+ _orbit = null;
+ }});
+ panel.add(closeButton);
+ _frame.getContentPane().add(panel, BorderLayout.SOUTH);
+ _frame.setSize(500, 350);
+ _frame.pack();
+
+ // show frame
+ _frame.show();
+ if (_frame.getState() == JFrame.ICONIFIED)
+ {
+ _frame.setState(JFrame.NORMAL);
+ }
+ }
+
+
+ /**
+ * Create the whole scenery from the given track
+ * @return all objects in the scene
+ */
+ private BranchGroup createSceneGraph()
+ {
+ // Create the root of the branch graph
+ BranchGroup objRoot = new BranchGroup();
+
+ // Create the transform group node and initialize it.
+ // Enable the TRANSFORM_WRITE capability so it can be spun by the mouse
+ TransformGroup objTrans = new TransformGroup();
+ objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+
+ // Create a translation
+ Transform3D shiftz = new Transform3D();
+ shiftz.setScale(0.055);
+ TransformGroup shiftTrans = new TransformGroup(shiftz);
+
+ objRoot.addChild(shiftTrans);
+ Transform3D rotTrans = new Transform3D();
+ rotTrans.rotY(Math.toRadians(INITIAL_Y_ROTATION));
+ Transform3D rot2 = new Transform3D();
+ rot2.rotX(Math.toRadians(INITIAL_X_ROTATION));
+ TransformGroup tg2 = new TransformGroup(rot2);
+ objTrans.setTransform(rotTrans);
+ shiftTrans.addChild(tg2);
+ tg2.addChild(objTrans);
+
+ // Base plane
+ Appearance planeAppearance = null;
+ Box plane = null;
+ Transform3D planeShift = null;
+ TransformGroup planeTrans = null;
+ planeAppearance = new Appearance();
+ planeAppearance.setMaterial(new Material(new Color3f(0.1f, 0.2f, 0.2f),
+ new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.3f, 0.4f, 0.4f),
+ new Color3f(0.3f, 0.3f, 0.3f), 0.0f));
+ plane = new Box(10f, 0.04f, 10f, planeAppearance);
+ objTrans.addChild(plane);
+
+ // N, S, E, W
+ GeneralPath bevelPath = new GeneralPath();
+ bevelPath.moveTo(0.0f, 0.0f);
+ for (int i=0; i<91; i+= 5)
+ bevelPath.lineTo((float) (0.1 - 0.1 * Math.cos(Math.toRadians(i))),
+ (float) (0.1 * Math.sin(Math.toRadians(i))));
+ for (int i=90; i>0; i-=5)
+ bevelPath.lineTo((float) (0.3 + 0.1 * Math.cos(Math.toRadians(i))),
+ (float) (0.1 * Math.sin(Math.toRadians(i))));
+ Font3D compassFont = new Font3D(
+ new Font(CARDINALS_FONT, Font.PLAIN, 1),
+ new FontExtrusion(bevelPath));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.n"), new Point3f(0f, 0f, -10f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.s"), new Point3f(0f, 0f, 10f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.w"), new Point3f(-11f, 0f, 0f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.e"), new Point3f(10f, 0f, 0f), compassFont));
+
+ // create and scale model
+ ThreeDModel model = new ThreeDModel(_track);
+ model.setAltitudeCap(_altitudeCap);
+ model.scale();
+
+ // Lat/Long lines
+ objTrans.addChild(createLatLongs(model));
+
+ // Add points to model
+ objTrans.addChild(createDataPoints(model));
+
+ // Create lights
+ BoundingSphere bounds =
+ new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
+ AmbientLight aLgt = new AmbientLight(new Color3f(1.0f, 1.0f, 1.0f));
+ aLgt.setInfluencingBounds(bounds);
+ objTrans.addChild(aLgt);
+
+ PointLight pLgt = new PointLight(new Color3f(1.0f, 1.0f, 1.0f),
+ new Point3f(0f, 0f, 2f),
+ new Point3f(0.25f, 0.05f, 0.0f) );
+ pLgt.setInfluencingBounds(bounds);
+ objTrans.addChild(pLgt);
+
+ PointLight pl2 = new PointLight(new Color3f(0.8f, 0.9f, 0.4f),
+ new Point3f(6f, 1f, 6f),
+ new Point3f(0.2f, 0.1f, 0.05f) );
+ pl2.setInfluencingBounds(bounds);
+ objTrans.addChild(pl2);
+
+ PointLight pl3 = new PointLight(new Color3f(0.7f, 0.7f, 0.7f),
+ new Point3f(0.0f, 12f, -2f),
+ new Point3f(0.1f, 0.1f, 0.0f) );
+ pl3.setInfluencingBounds(bounds);
+ objTrans.addChild(pl3);
+
+ // Have Java 3D perform optimizations on this scene graph.
+ objRoot.compile();
+
+ return objRoot;
+ }
+
+
+ /**
+ * Create a text object for compass point, N S E or W
+ * @param text text to display
+ * @param locn position at which to display
+ * @param font 3d font to use
+ * @return Shape3D object
+ */
+ private Shape3D createCompassPoint(String inText, Point3f inLocn, Font3D inFont)
+ {
+ Text3D txt = new Text3D(inFont, inText, inLocn, Text3D.ALIGN_FIRST, Text3D.PATH_RIGHT);
+ Material mat = new Material(new Color3f(0.5f, 0.5f, 0.55f),
+ new Color3f(0.05f, 0.05f, 0.1f), new Color3f(0.3f, 0.4f, 0.5f),
+ new Color3f(0.4f, 0.5f, 0.7f), 70.0f);
+ mat.setLightingEnable(true);
+ Appearance app = new Appearance();
+ app.setMaterial(mat);
+ Shape3D shape = new Shape3D(txt, app);
+ return shape;
+ }
+
+
+ /**
+ * Create all the latitude and longitude lines on the base plane
+ * @param inModel model containing data
+ * @return Group object containing cylinders for lat and long lines
+ */
+ private static Group createLatLongs(ThreeDModel inModel)
+ {
+ Group group = new Group();
+ int numlines = inModel.getNumLatitudeLines();
+ for (int i=0; i<numlines; i++)
+ {
+ group.addChild(createLatLine(inModel.getScaledLatitudeLine(i), inModel.getModelSize()));
+ }
+ numlines = inModel.getNumLongitudeLines();
+ for (int i=0; i<numlines; i++)
+ {
+ group.addChild(createLonLine(inModel.getScaledLongitudeLine(i), inModel.getModelSize()));
+ }
+ return group;
+ }
+
+
+ /**
+ * Make a single latitude line for the specified latitude
+ * @param inLatitude latitude in scaled units
+ * @param inSize size of model, for length of line
+ * @return Group object containing cylinder for latitude line
+ */
+ private static Group createLatLine(double inLatitude, double inSize)
+ {
+ Cylinder latline = new Cylinder(0.1f, (float) (inSize*2));
+ Transform3D horizShift = new Transform3D();
+ horizShift.setTranslation(new Vector3d(0.0, 0.0, inLatitude));
+ TransformGroup horizTrans = new TransformGroup(horizShift);
+ Transform3D zRot = new Transform3D();
+ zRot.rotZ(Math.toRadians(90.0));
+ TransformGroup zTrans = new TransformGroup(zRot);
+ horizTrans.addChild(zTrans);
+ zTrans.addChild(latline);
+ return horizTrans;
+ }
+
+
+ /**
+ * Make a single longitude line for the specified longitude
+ * @param inLongitude longitude in scaled units
+ * @param inSize size of model, for length of line
+ * @return Group object containing cylinder for longitude line
+ */
+ private static Group createLonLine(double inLongitude, double inSize)
+ {
+ Cylinder lonline = new Cylinder(0.1f, (float) (inSize*2));
+ Transform3D horizShift = new Transform3D();
+ horizShift.setTranslation(new Vector3d(inLongitude, 0.0, 0.0));
+ TransformGroup horizTrans = new TransformGroup(horizShift);
+ Transform3D xRot = new Transform3D();
+ xRot.rotX(Math.toRadians(90.0));
+ TransformGroup xTrans = new TransformGroup(xRot);
+ horizTrans.addChild(xTrans);
+ xTrans.addChild(lonline);
+ return horizTrans;
+ }
+
+
+ /**
+ * Make a Group of the data points to be added
+ * @param inModel model containing data
+ * @return Group object containing spheres, rods etc
+ */
+ private static Group createDataPoints(ThreeDModel inModel)
+ {
+ // Add points to model
+ Group group = new Group();
+ int numPoints = inModel.getNumPoints();
+ for (int i=0; i<numPoints; i++)
+ {
+ byte pointType = inModel.getPointType(i);
+ if (pointType == ThreeDModel.POINT_TYPE_WAYPOINT)
+ {
+ // Add waypoint
+ // Note that x, y and z are horiz, altitude, -vert
+ group.addChild(createWaypoint(new Point3d(
+ inModel.getScaledHorizValue(i), inModel.getScaledAltValue(i), -inModel.getScaledVertValue(i))));
+ }
+ else
+ {
+ // Add colour-coded track point
+ // Note that x, y and z are horiz, altitude, -vert
+ group.addChild(createTrackpoint(new Point3d(
+ inModel.getScaledHorizValue(i), inModel.getScaledAltValue(i), -inModel.getScaledVertValue(i)),
+ inModel.getPointHeightCode(i)));
+ }
+ }
+ return group;
+ }
+
+
+ /**
+ * Create a waypoint sphere
+ * @param inPointPos position of point
+ * @return Group object containing sphere
+ */
+ private static Group createWaypoint(Point3d inPointPos)
+ {
+ Material mat = getWaypointMaterial();
+ // TODO: sort symbol scaling
+ Sphere dot = new Sphere(0.35f); // * symbolScaling / 100f);
+ return createBall(inPointPos, dot, mat);
+ }
+
+
+ /**
+ * @return a new Material object to define waypoint colour / shine etc
+ */
+ private static Material getWaypointMaterial()
+ {
+ return new Material(new Color3f(0.1f, 0.1f, 0.4f),
+ new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.2f, 0.7f),
+ new Color3f(1.0f, 0.6f, 0.6f), 40.0f);
+ }
+
+
+ private static Group createTrackpoint(Point3d inPointPos, byte inHeightCode)
+ {
+ Material mat = getTrackpointMaterial(inHeightCode);
+ // TODO: sort symbol scaling
+ Sphere dot = new Sphere(0.2f); // * symbolScaling / 100f);
+ return createBall(inPointPos, dot, mat);
+ }
+
+
+ private static Material getTrackpointMaterial(byte inHeightCode)
+ {
+ // create default material
+ Material mat = new Material(new Color3f(0.3f, 0.2f, 0.1f),
+ new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.6f, 0.0f),
+ new Color3f(1.0f, 0.6f, 0.6f), 70.0f);
+ // change colour according to height code
+ if (inHeightCode == 1) mat.setDiffuseColor(new Color3f(0.4f, 0.9f, 0.2f));
+ if (inHeightCode == 2) mat.setDiffuseColor(new Color3f(0.7f, 0.8f, 0.2f));
+ if (inHeightCode == 3) mat.setDiffuseColor(new Color3f(0.5f, 0.85f, 0.95f));
+ if (inHeightCode == 4) mat.setDiffuseColor(new Color3f(0.1f, 0.9f, 0.9f));
+ if (inHeightCode >= 5) mat.setDiffuseColor(new Color3f(1.0f, 1.0f, 1.0f));
+ // return object
+ return mat;
+ }
+
+
+ /**
+ * Create a ball at the given point
+ * @param inPosition scaled position of point
+ * @param inSphere sphere object
+ * @param inMaterial material object
+ * @return Group containing sphere
+ */
+ private static Group createBall(Point3d inPosition, Sphere inSphere, Material inMaterial)
+ {
+ Group group = new Group();
+ // Create ball and add to group
+ Transform3D ballShift = new Transform3D();
+ ballShift.setTranslation(new Vector3d(inPosition));
+ TransformGroup ballShiftTrans = new TransformGroup(ballShift);
+ inMaterial.setLightingEnable(true);
+ Appearance ballApp = new Appearance();
+ ballApp.setMaterial(inMaterial);
+ inSphere.setAppearance(ballApp);
+ ballShiftTrans.addChild(inSphere);
+ group.addChild(ballShiftTrans);
+ // Also create rod for ball to sit on
+ Cylinder rod = new Cylinder(0.1f, (float) inPosition.y);
+ Material rodMat = new Material(new Color3f(0.2f, 0.2f, 0.2f),
+ new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.2f, 0.2f, 0.2f),
+ new Color3f(0.05f, 0.05f, 0.05f), 0.4f);
+ rodMat.setLightingEnable(true);
+ Appearance rodApp = new Appearance();
+ rodApp.setMaterial(rodMat);
+ rod.setAppearance(rodApp);
+ Transform3D rodShift = new Transform3D();
+ rodShift.setTranslation(new Vector3d(inPosition.x,
+ inPosition.y/2.0, inPosition.z));
+ TransformGroup rodShiftTrans = new TransformGroup(rodShift);
+ rodShiftTrans.addChild(rod);
+ group.addChild(rodShiftTrans);
+ // return the pair
+ return group;
+ }
+
+
+ /**
+ * Calculate the angles and call them back to the app
+ */
+ private void callbackRender()
+ {
+ Transform3D trans3d = new Transform3D();
+ _orbit.getViewingPlatform().getViewPlatformTransform().getTransform(trans3d);
+ Matrix3d matrix = new Matrix3d();
+ trans3d.get(matrix);
+ Point3d point = new Point3d(0.0, 0.0, 1.0);
+ matrix.transform(point);
+ // Set up initial rotations
+ Transform3D firstTran = new Transform3D();
+ firstTran.rotY(Math.toRadians(-INITIAL_Y_ROTATION));
+ Transform3D secondTran = new Transform3D();
+ secondTran.rotX(Math.toRadians(-INITIAL_X_ROTATION));
+ // Apply inverse rotations in reverse order to test point
+ Point3d result = new Point3d();
+ secondTran.transform(point, result);
+ firstTran.transform(result);
+ // Callback settings to App
+ _app.exportPov(result.x, result.y, result.z, _altitudeCap);
+ }
+
+
+ /**
+ * Get a units label for the altitudes in the given Track
+ * @param inTrack Track object
+ * @return units label for altitude used in Track
+ */
+ private static String getAltitudeUnitsLabel(Track inTrack)
+ {
+ int altitudeFormat = inTrack.getAltitudeRange().getFormat();
+ if (altitudeFormat == Altitude.FORMAT_METRES)
+ return I18nManager.getText("units.metres.short");
+ return I18nManager.getText("units.feet.short");
+ }
+
+}