--- /dev/null
+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.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.geom.GeneralPath;
+
+import javax.media.j3d.AmbientLight;
+import javax.media.j3d.Appearance;
+import javax.media.j3d.Billboard;
+import javax.media.j3d.BoundingSphere;
+import javax.media.j3d.BranchGroup;
+import javax.media.j3d.Canvas3D;
+import javax.media.j3d.DirectionalLight;
+import javax.media.j3d.Font3D;
+import javax.media.j3d.FontExtrusion;
+import javax.media.j3d.GeometryArray;
+import javax.media.j3d.GraphicsConfigTemplate3D;
+import javax.media.j3d.Group;
+import javax.media.j3d.Material;
+import javax.media.j3d.PointLight;
+import javax.media.j3d.QuadArray;
+import javax.media.j3d.Shape3D;
+import javax.media.j3d.Text3D;
+import javax.media.j3d.Texture;
+import javax.media.j3d.TextureAttributes;
+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.TexCoord2f;
+import javax.vecmath.Vector3d;
+import javax.vecmath.Vector3f;
+
+import tim.prune.DataStatus;
+import tim.prune.FunctionLibrary;
+import tim.prune.I18nManager;
+import tim.prune.data.Track;
+import tim.prune.function.Export3dFunction;
+import tim.prune.function.srtm.LookupSrtmFunction;
+import tim.prune.gui.map.MapSourceLibrary;
+import tim.prune.save.GroutedImage;
+import tim.prune.save.MapGrouter;
+
+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.GeometryInfo;
+import com.sun.j3d.utils.geometry.NormalGenerator;
+import com.sun.j3d.utils.geometry.Sphere;
+import com.sun.j3d.utils.image.TextureLoader;
+import com.sun.j3d.utils.universe.SimpleUniverse;
+
+
+/**
+ * Class to hold main window for java3d view of data
+ */
+public class Java3DWindow implements ThreeDWindow
+{
+ private Track _track = null;
+ private JFrame _parentFrame = null;
+ private JFrame _frame = null;
+ private ThreeDModel _model = null;
+ private OrbitBehavior _orbit = null;
+ private double _altFactor = -1.0;
+ private ImageDefinition _imageDefinition = null;
+ private GroutedImage _baseImage = null;
+ private TerrainDefinition _terrainDefinition = null;
+ private DataStatus _dataStatus = null;
+
+ /** 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 String CARDINALS_FONT = "Arial";
+ private static final int MAX_TRACK_SIZE = 2500; // threshold for warning
+ private static final double MODEL_SCALE_FACTOR = 20.0;
+
+
+ /**
+ * Constructor
+ * @param inFrame parent frame
+ */
+ public Java3DWindow(JFrame inFrame)
+ {
+ _parentFrame = inFrame;
+ }
+
+
+ /**
+ * Set the track object
+ * @param inTrack Track object
+ */
+ public void setTrack(Track inTrack)
+ {
+ _track = inTrack;
+ }
+
+ /**
+ * @param inFactor altitude factor to use
+ */
+ public void setAltitudeFactor(double inFactor)
+ {
+ _altFactor = inFactor;
+ }
+
+ /**
+ * Set the parameters for the base image and do the grouting already
+ * (setTrack should already be called by now)
+ */
+ public void setBaseImageParameters(ImageDefinition inDefinition)
+ {
+ _imageDefinition = inDefinition;
+ if (inDefinition != null && inDefinition.getUseImage())
+ {
+ _baseImage = new MapGrouter().createMapImage(_track, MapSourceLibrary.getSource(inDefinition.getSourceIndex()),
+ inDefinition.getZoom());
+ }
+ else _baseImage = null;
+ }
+
+ /**
+ * Set the terrain parameters
+ */
+ public void setTerrainParameters(TerrainDefinition inDefinition)
+ {
+ _terrainDefinition = inDefinition;
+ }
+
+ /**
+ * Set the current data status
+ */
+ public void setDataStatus(DataStatus inStatus)
+ {
+ _dataStatus = inStatus;
+ }
+
+ /**
+ * Show the window
+ */
+ public void show() throws ThreeDException
+ {
+ // Make sure altitude exaggeration is positive
+ if (_altFactor < 0.0) {_altFactor = 1.0;}
+
+ // 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(_parentFrame,
+ I18nManager.getText("dialog.3d.warningtracksize"),
+ I18nManager.getText("function.show3d"), 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);
+ _frame.setIconImage(_parentFrame.getIconImage());
+ // Make panel for render, close buttons
+ JPanel panel = new JPanel();
+ panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ // Add button for exporting pov
+ JButton povButton = new JButton(I18nManager.getText("function.exportpov"));
+ povButton.addActionListener(new ActionListener() {
+ /** Export pov button pressed */
+ public void actionPerformed(ActionEvent e)
+ {
+ if (_orbit != null) {
+ callbackRender(FunctionLibrary.FUNCTION_POVEXPORT);
+ }
+ }});
+ panel.add(povButton);
+ // Close button
+ JButton closeButton = new JButton(I18nManager.getText("button.close"));
+ closeButton.addActionListener(new ActionListener()
+ {
+ /** Close button pressed - clean up */
+ public void actionPerformed(ActionEvent e) {
+ dispose();
+ _orbit = null;
+ }
+ });
+ panel.add(closeButton);
+ _frame.getContentPane().add(panel, BorderLayout.SOUTH);
+ _frame.setSize(500, 350);
+ _frame.pack();
+ // Add a listener to clean up when window closed
+ _frame.addWindowListener(new WindowAdapter() {
+ public void windowClosing(WindowEvent e) {
+ dispose();
+ }
+ });
+
+ // show frame
+ _frame.setVisible(true);
+ if (_frame.getState() == JFrame.ICONIFIED) {
+ _frame.setState(JFrame.NORMAL);
+ }
+ }
+
+ /**
+ * Dispose of the frame and its resources
+ */
+ public void dispose()
+ {
+ if (_frame != null) {
+ _frame.dispose();
+ _frame = null;
+ }
+ }
+
+ /**
+ * 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;
+ 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);
+
+ // Image on top of base plane, if specified
+ final boolean showTerrain = _terrainDefinition != null && _terrainDefinition.getUseTerrain();
+ if (_baseImage != null && !showTerrain)
+ {
+ QuadArray baseSquare = new QuadArray (4, QuadArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
+ baseSquare.setCoordinate(0, new Point3f(-10f, 0.05f, -10f));
+ baseSquare.setCoordinate(1, new Point3f(-10f, 0.05f, 10f));
+ baseSquare.setCoordinate(2, new Point3f( 10f, 0.05f, 10f));
+ baseSquare.setCoordinate(3, new Point3f( 10f, 0.05f, -10f));
+ // and set anchor points for the texture
+ baseSquare.setTextureCoordinate(0, 0, new TexCoord2f(0.0f, 1.0f));
+ baseSquare.setTextureCoordinate(0, 1, new TexCoord2f(0.0f, 0.0f));
+ baseSquare.setTextureCoordinate(0, 2, new TexCoord2f(1.0f, 0.0f));
+ baseSquare.setTextureCoordinate(0, 3, new TexCoord2f(1.0f, 1.0f));
+ // Set appearance including image
+ Appearance baseAppearance = new Appearance();
+ Texture mapImage = new TextureLoader(_baseImage.getImage(), _frame).getTexture();
+ baseAppearance.setTexture(mapImage);
+ objTrans.addChild(new Shape3D(baseSquare, baseAppearance));
+ }
+
+ // Create model containing track information
+ _model = new ThreeDModel(_track);
+ _model.setAltitudeFactor(_altFactor);
+
+ if (showTerrain)
+ {
+ TerrainHelper terrainHelper = new TerrainHelper(_terrainDefinition.getGridSize());
+ // See if there's a previously saved terrain track we can reuse
+ Track terrainTrack = TerrainCache.getTerrainTrack(_dataStatus, _terrainDefinition);
+ if (terrainTrack == null)
+ {
+ // Construct the terrain track according to these extents and the grid size
+ terrainTrack = terrainHelper.createGridTrack(_track);
+ // Get the altitudes from SRTM for all the points in the track
+ LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
+ srtmLookup.begin(terrainTrack);
+ while (srtmLookup.isRunning())
+ {
+ try {
+ Thread.sleep(750); // just polling in a wait loop isn't ideal but simple
+ }
+ catch (InterruptedException e) {}
+ }
+
+ // Fix the voids
+ terrainHelper.fixVoids(terrainTrack);
+
+ // Store this back in the cache, maybe we'll need it again
+ TerrainCache.storeTerrainTrack(terrainTrack, _dataStatus, _terrainDefinition);
+ }
+ // else System.out.println("Yay - reusing the cached track!");
+
+ // Give the terrain definition to the _model as well
+ _model.setTerrain(terrainTrack);
+ _model.scale();
+
+ objTrans.addChild(createTerrain(_model, terrainHelper, _baseImage));
+ }
+ else
+ {
+ // No terrain, so just scale the model as it is
+ _model.scale();
+ }
+
+ // 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, -11.5f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.s"), new Point3f(0f, 0f, 11.5f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.w"), new Point3f(-11.5f, 0f, 0f), compassFont));
+ objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.e"), new Point3f(11.5f, 0f, 0f), compassFont));
+
+ // Add points to model
+ objTrans.addChild(createDataPoints(_model));
+
+ // Create lights - always add ambient light
+ 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);
+
+ // Additional lights depend on whether there's a terrain or not
+ if (showTerrain)
+ {
+ // If there's a terrain, just have directional light from northwest
+ DirectionalLight dl = new DirectionalLight(true,
+ new Color3f(1.0f, 1.0f, 1.0f),
+ new Vector3f(1.0f, -1.0f, 1.0f));
+ dl.setInfluencingBounds(bounds);
+ objTrans.addChild(dl);
+ }
+ else
+ {
+ // There is no terrain, so use point lights as before
+ 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 inText text to display
+ * @param inLocn position at which to display
+ * @param inFont 3d font to use
+ * @return compound object
+ */
+ private TransformGroup 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);
+
+ // Make transform group with billboard behaviour
+ TransformGroup subGroup = new TransformGroup();
+ subGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
+ subGroup.addChild(shape);
+ Billboard billboard = new Billboard(subGroup, Billboard.ROTATE_ABOUT_POINT, inLocn);
+ BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
+ billboard.setSchedulingBounds(bounds);
+ subGroup.addChild(billboard);
+ return subGroup;
+ }
+
+
+ /**
+ * 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) * MODEL_SCALE_FACTOR,
+ inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
+ -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR)));
+ }
+ else
+ {
+ // Add colour-coded track point
+ // Note that x, y and z are horiz, altitude, -vert
+ group.addChild(createTrackpoint(new Point3d(
+ inModel.getScaledHorizValue(i) * MODEL_SCALE_FACTOR,
+ inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
+ -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR), 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();
+ // MAYBE: 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);
+ }
+
+
+ /**
+ * @return track point object
+ */
+ private static Group createTrackpoint(Point3d inPointPos, byte inHeightCode)
+ {
+ Material mat = getTrackpointMaterial(inHeightCode);
+ // MAYBE: sort symbol scaling
+ Sphere dot = new Sphere(0.2f);
+ return createBall(inPointPos, dot, mat);
+ }
+
+
+ /**
+ * @return Material object for track points with the appropriate colour for the height
+ */
+ 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));
+ else if (inHeightCode == 2) mat.setDiffuseColor(new Color3f(0.7f, 0.8f, 0.2f));
+ else if (inHeightCode == 3) mat.setDiffuseColor(new Color3f(0.3f, 0.6f, 0.4f));
+ else if (inHeightCode == 4) mat.setDiffuseColor(new Color3f(0.1f, 0.9f, 0.9f));
+ else 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;
+ }
+
+ /**
+ * Create a java3d Shape for the terrain
+ * @param inModel threedModel
+ * @param inHelper terrain helper
+ * @param inBaseImage base image for shape, or null for no image
+ * @return Shape3D object
+ */
+ private static Shape3D createTerrain(ThreeDModel inModel, TerrainHelper inHelper, GroutedImage inBaseImage)
+ {
+ final int numNodes = inHelper.getGridSize();
+ final int RESULT_SIZE = numNodes * (numNodes * 2 - 2);
+ int[] stripData = inHelper.getStripLengths();
+
+ // Get the scaled terrainTrack coordinates (or just heights) from the model
+ final int nSquared = numNodes * numNodes;
+ Point3d[] rawPoints = new Point3d[nSquared];
+ for (int i=0; i<nSquared; i++)
+ {
+ double height = inModel.getScaledTerrainValue(i) * MODEL_SCALE_FACTOR;
+ rawPoints[i] = new Point3d(inModel.getScaledTerrainHorizValue(i) * MODEL_SCALE_FACTOR,
+ Math.max(height, 0.05), // make sure it's above the box
+ -inModel.getScaledTerrainVertValue(i) * MODEL_SCALE_FACTOR);
+ }
+
+ GeometryInfo gi = new GeometryInfo(GeometryInfo.TRIANGLE_STRIP_ARRAY);
+ gi.setCoordinates(inHelper.getTerrainCoordinates(rawPoints));
+ gi.setStripCounts(stripData);
+
+ Appearance tAppearance = new Appearance();
+ if (inBaseImage != null)
+ {
+ gi.setTextureCoordinateParams(1, 2); // one coord set of two dimensions
+ gi.setTextureCoordinates(0, inHelper.getTextureCoordinates());
+ Texture mapImage = new TextureLoader(inBaseImage.getImage()).getTexture();
+ tAppearance.setTexture(mapImage);
+ TextureAttributes texAttr = new TextureAttributes();
+ texAttr.setTextureMode(TextureAttributes.MODULATE);
+ tAppearance.setTextureAttributes(texAttr);
+ }
+ else
+ {
+ Color3f[] colours = new Color3f[RESULT_SIZE];
+ Color3f terrainColour = new Color3f(0.1f, 0.2f, 0.2f);
+ for (int i=0; i<RESULT_SIZE; i++) {colours[i] = terrainColour;}
+ gi.setColors(colours);
+ }
+ new NormalGenerator().generateNormals(gi);
+ Material terrnMat = new Material(new Color3f(0.4f, 0.4f, 0.4f), // ambient colour
+ new Color3f(0f, 0f, 0f), // emissive (none)
+ new Color3f(0.8f, 0.8f, 0.8f), // diffuse
+ new Color3f(0.2f, 0.2f, 0.2f), //specular
+ 30f); // shinyness
+ tAppearance.setMaterial(terrnMat);
+ return new Shape3D(gi.getGeometryArray(), tAppearance);
+ }
+
+ /**
+ * Calculate the angles and call them back to the app
+ * @param inFunction function to call for export
+ */
+ private void callbackRender(Export3dFunction inFunction)
+ {
+ 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 the test point
+ Point3d result = new Point3d();
+ secondTran.transform(point, result);
+ firstTran.transform(result);
+
+ // Give the settings to the rendering function
+ inFunction.setCameraCoordinates(result.x, result.y, result.z);
+ inFunction.setAltitudeExaggeration(_altFactor);
+ inFunction.setTerrainDefinition(_terrainDefinition);
+ inFunction.setImageDefinition(_imageDefinition);
+
+ inFunction.begin();
+ }
+}
projects / GpsPrune.git / blobdiff