1 package tim.prune.threedee;
3 import java.awt.BorderLayout;
4 import java.awt.FlowLayout;
6 import java.awt.GraphicsConfiguration;
7 import java.awt.GraphicsEnvironment;
8 import java.awt.event.ActionEvent;
9 import java.awt.event.ActionListener;
10 import java.awt.event.WindowAdapter;
11 import java.awt.event.WindowEvent;
12 import java.awt.geom.GeneralPath;
14 import javax.media.j3d.AmbientLight;
15 import javax.media.j3d.Appearance;
16 import javax.media.j3d.BoundingSphere;
17 import javax.media.j3d.BranchGroup;
18 import javax.media.j3d.Canvas3D;
19 import javax.media.j3d.Font3D;
20 import javax.media.j3d.FontExtrusion;
21 import javax.media.j3d.GeometryArray;
22 import javax.media.j3d.GraphicsConfigTemplate3D;
23 import javax.media.j3d.Group;
24 import javax.media.j3d.Material;
25 import javax.media.j3d.PointLight;
26 import javax.media.j3d.QuadArray;
27 import javax.media.j3d.Shape3D;
28 import javax.media.j3d.Text3D;
29 import javax.media.j3d.Texture;
30 import javax.media.j3d.TextureAttributes;
31 import javax.media.j3d.Transform3D;
32 import javax.media.j3d.TransformGroup;
33 import javax.swing.JButton;
34 import javax.swing.JFrame;
35 import javax.swing.JOptionPane;
36 import javax.swing.JPanel;
37 import javax.vecmath.Color3f;
38 import javax.vecmath.Matrix3d;
39 import javax.vecmath.Point3d;
40 import javax.vecmath.Point3f;
41 import javax.vecmath.TexCoord2f;
42 import javax.vecmath.Vector3d;
44 import tim.prune.DataStatus;
45 import tim.prune.FunctionLibrary;
46 import tim.prune.I18nManager;
47 import tim.prune.data.Track;
48 import tim.prune.function.Export3dFunction;
49 import tim.prune.function.srtm.LookupSrtmFunction;
50 import tim.prune.gui.map.MapSourceLibrary;
51 import tim.prune.save.GroutedImage;
52 import tim.prune.save.MapGrouter;
54 import com.sun.j3d.utils.behaviors.vp.OrbitBehavior;
55 import com.sun.j3d.utils.geometry.Box;
56 import com.sun.j3d.utils.geometry.Cylinder;
57 import com.sun.j3d.utils.geometry.GeometryInfo;
58 import com.sun.j3d.utils.geometry.NormalGenerator;
59 import com.sun.j3d.utils.geometry.Sphere;
60 import com.sun.j3d.utils.image.TextureLoader;
61 import com.sun.j3d.utils.universe.SimpleUniverse;
65 * Class to hold main window for java3d view of data
67 public class Java3DWindow implements ThreeDWindow
69 private Track _track = null;
70 private JFrame _parentFrame = null;
71 private JFrame _frame = null;
72 private ThreeDModel _model = null;
73 private OrbitBehavior _orbit = null;
74 private double _altFactor = -1.0;
75 private ImageDefinition _imageDefinition = null;
76 private GroutedImage _baseImage = null;
77 private TerrainDefinition _terrainDefinition = null;
78 private DataStatus _dataStatus = null;
80 /** only prompt about big track size once */
81 private static boolean TRACK_SIZE_WARNING_GIVEN = false;
84 private static final double INITIAL_Y_ROTATION = -25.0;
85 private static final double INITIAL_X_ROTATION = 15.0;
86 private static final String CARDINALS_FONT = "Arial";
87 private static final int MAX_TRACK_SIZE = 2500; // threshold for warning
88 private static final double MODEL_SCALE_FACTOR = 20.0;
93 * @param inFrame parent frame
95 public Java3DWindow(JFrame inFrame)
97 _parentFrame = inFrame;
102 * Set the track object
103 * @param inTrack Track object
105 public void setTrack(Track inTrack)
111 * @param inFactor altitude factor to use
113 public void setAltitudeFactor(double inFactor)
115 _altFactor = inFactor;
119 * Set the parameters for the base image and do the grouting already
120 * (setTrack should already be called by now)
122 public void setBaseImageParameters(ImageDefinition inDefinition)
124 _imageDefinition = inDefinition;
125 if (inDefinition != null && inDefinition.getUseImage())
127 _baseImage = new MapGrouter().createMapImage(_track, MapSourceLibrary.getSource(inDefinition.getSourceIndex()),
128 inDefinition.getZoom());
130 else _baseImage = null;
134 * Set the terrain parameters
136 public void setTerrainParameters(TerrainDefinition inDefinition)
138 _terrainDefinition = inDefinition;
142 * Set the current data status
144 public void setDataStatus(DataStatus inStatus)
146 _dataStatus = inStatus;
152 public void show() throws ThreeDException
154 // Make sure altitude exaggeration is positive
155 if (_altFactor < 0.0) {_altFactor = 1.0;}
157 // Set up the graphics config
158 GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
161 // Config shouldn't be null, but we can try to create a new one as a workaround
162 GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
164 config = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(gc);
169 // Second attempt also failed, going to have to give up here.
170 throw new ThreeDException("Couldn't create graphics config");
173 // Check number of points in model isn't too big, and suggest compression
174 Object[] buttonTexts = {I18nManager.getText("button.continue"), I18nManager.getText("button.cancel")};
175 if (_track.getNumPoints() > MAX_TRACK_SIZE && !TRACK_SIZE_WARNING_GIVEN)
177 if (JOptionPane.showOptionDialog(_parentFrame,
178 I18nManager.getText("dialog.3d.warningtracksize"),
179 I18nManager.getText("function.show3d"), JOptionPane.OK_CANCEL_OPTION,
180 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
181 == JOptionPane.OK_OPTION)
183 // opted to continue, don't show warning again
184 TRACK_SIZE_WARNING_GIVEN = true;
187 // opted to cancel - show warning again next time
192 Canvas3D canvas = new Canvas3D(config);
193 canvas.setSize(400, 300);
195 // Create the scene and attach it to the virtual universe
196 BranchGroup scene = createSceneGraph();
197 SimpleUniverse u = new SimpleUniverse(canvas);
199 // This will move the ViewPlatform back a bit so the
200 // objects in the scene can be viewed.
201 u.getViewingPlatform().setNominalViewingTransform();
203 // Add behaviour to rotate using mouse
204 _orbit = new OrbitBehavior(canvas, OrbitBehavior.REVERSE_ALL | OrbitBehavior.STOP_ZOOM);
205 BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
206 _orbit.setSchedulingBounds(bounds);
207 u.getViewingPlatform().setViewPlatformBehavior(_orbit);
208 u.addBranchGraph(scene);
210 // Don't reuse _frame object from last time, because data and/or scale might be different
211 // Need to regenerate everything
212 _frame = new JFrame(I18nManager.getText("dialog.3d.title"));
213 _frame.getContentPane().setLayout(new BorderLayout());
214 _frame.getContentPane().add(canvas, BorderLayout.CENTER);
215 _frame.setIconImage(_parentFrame.getIconImage());
216 // Make panel for render, close buttons
217 JPanel panel = new JPanel();
218 panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
219 // Add button for exporting pov
220 JButton povButton = new JButton(I18nManager.getText("function.exportpov"));
221 povButton.addActionListener(new ActionListener() {
222 /** Export pov button pressed */
223 public void actionPerformed(ActionEvent e)
225 if (_orbit != null) {
226 callbackRender(FunctionLibrary.FUNCTION_POVEXPORT);
229 panel.add(povButton);
230 // Add button for exporting svg
231 JButton svgButton = new JButton(I18nManager.getText("function.exportsvg"));
232 svgButton.addActionListener(new ActionListener() {
233 public void actionPerformed(ActionEvent e)
235 if (_orbit != null) {
236 callbackRender(FunctionLibrary.FUNCTION_SVGEXPORT);
239 panel.add(svgButton);
242 JButton closeButton = new JButton(I18nManager.getText("button.close"));
243 closeButton.addActionListener(new ActionListener()
245 /** Close button pressed - clean up */
246 public void actionPerformed(ActionEvent e) {
251 panel.add(closeButton);
252 _frame.getContentPane().add(panel, BorderLayout.SOUTH);
253 _frame.setSize(500, 350);
255 // Add a listener to clean up when window closed
256 _frame.addWindowListener(new WindowAdapter() {
257 public void windowClosing(WindowEvent e) {
263 _frame.setVisible(true);
264 if (_frame.getState() == JFrame.ICONIFIED) {
265 _frame.setState(JFrame.NORMAL);
270 * Dispose of the frame and its resources
272 public void dispose()
274 if (_frame != null) {
281 * Create the whole scenery from the given track
282 * @return all objects in the scene
284 private BranchGroup createSceneGraph()
286 // Create the root of the branch graph
287 BranchGroup objRoot = new BranchGroup();
289 // Create the transform group node and initialize it.
290 // Enable the TRANSFORM_WRITE capability so it can be spun by the mouse
291 TransformGroup objTrans = new TransformGroup();
292 objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
294 // Create a translation
295 Transform3D shiftz = new Transform3D();
296 shiftz.setScale(0.055);
297 TransformGroup shiftTrans = new TransformGroup(shiftz);
299 objRoot.addChild(shiftTrans);
300 Transform3D rotTrans = new Transform3D();
301 rotTrans.rotY(Math.toRadians(INITIAL_Y_ROTATION));
302 Transform3D rot2 = new Transform3D();
303 rot2.rotX(Math.toRadians(INITIAL_X_ROTATION));
304 TransformGroup tg2 = new TransformGroup(rot2);
305 objTrans.setTransform(rotTrans);
306 shiftTrans.addChild(tg2);
307 tg2.addChild(objTrans);
310 Appearance planeAppearance = null;
312 planeAppearance = new Appearance();
313 planeAppearance.setMaterial(new Material(new Color3f(0.1f, 0.2f, 0.2f),
314 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.3f, 0.4f, 0.4f),
315 new Color3f(0.3f, 0.3f, 0.3f), 0.0f));
316 plane = new Box(10f, 0.04f, 10f, planeAppearance);
317 objTrans.addChild(plane);
319 // Image on top of base plane, if specified
320 final boolean showTerrain = _terrainDefinition != null && _terrainDefinition.getUseTerrain();
321 if (_baseImage != null && !showTerrain)
323 QuadArray baseSquare = new QuadArray (4, QuadArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
324 baseSquare.setCoordinate(0, new Point3f(-10f, 0.05f, -10f));
325 baseSquare.setCoordinate(1, new Point3f(-10f, 0.05f, 10f));
326 baseSquare.setCoordinate(2, new Point3f( 10f, 0.05f, 10f));
327 baseSquare.setCoordinate(3, new Point3f( 10f, 0.05f, -10f));
328 // and set anchor points for the texture
329 baseSquare.setTextureCoordinate(0, 0, new TexCoord2f(0.0f, 1.0f));
330 baseSquare.setTextureCoordinate(0, 1, new TexCoord2f(0.0f, 0.0f));
331 baseSquare.setTextureCoordinate(0, 2, new TexCoord2f(1.0f, 0.0f));
332 baseSquare.setTextureCoordinate(0, 3, new TexCoord2f(1.0f, 1.0f));
333 // Set appearance including image
334 Appearance baseAppearance = new Appearance();
335 Texture mapImage = new TextureLoader(_baseImage.getImage(), _frame).getTexture();
336 baseAppearance.setTexture(mapImage);
337 objTrans.addChild(new Shape3D(baseSquare, baseAppearance));
340 // Create model containing track information
341 _model = new ThreeDModel(_track);
342 _model.setAltitudeFactor(_altFactor);
346 TerrainHelper terrainHelper = new TerrainHelper(_terrainDefinition.getGridSize());
347 // See if there's a previously saved terrain track we can reuse
348 Track terrainTrack = TerrainCache.getTerrainTrack(_dataStatus, _terrainDefinition);
349 if (terrainTrack == null)
351 // Construct the terrain track according to these extents and the grid size
352 terrainTrack = terrainHelper.createGridTrack(_track);
353 // Get the altitudes from SRTM for all the points in the track
354 LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
355 srtmLookup.begin(terrainTrack);
356 while (srtmLookup.isRunning())
359 Thread.sleep(750); // just polling in a wait loop isn't ideal but simple
361 catch (InterruptedException e) {}
365 terrainHelper.fixVoids(terrainTrack);
367 // Store this back in the cache, maybe we'll need it again
368 TerrainCache.storeTerrainTrack(terrainTrack, _dataStatus, _terrainDefinition);
370 // else System.out.println("Yay - reusing the cached track!");
372 // Give the terrain definition to the _model as well
373 _model.setTerrain(terrainTrack);
376 objTrans.addChild(createTerrain(_model, terrainHelper, _baseImage));
380 // No terrain, so just scale the model as it is
385 GeneralPath bevelPath = new GeneralPath();
386 bevelPath.moveTo(0.0f, 0.0f);
387 for (int i=0; i<91; i+= 5) {
388 bevelPath.lineTo((float) (0.1 - 0.1 * Math.cos(Math.toRadians(i))),
389 (float) (0.1 * Math.sin(Math.toRadians(i))));
391 for (int i=90; i>0; i-=5) {
392 bevelPath.lineTo((float) (0.3 + 0.1 * Math.cos(Math.toRadians(i))),
393 (float) (0.1 * Math.sin(Math.toRadians(i))));
395 Font3D compassFont = new Font3D(
396 new Font(CARDINALS_FONT, Font.PLAIN, 1),
397 new FontExtrusion(bevelPath));
398 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.n"), new Point3f(0f, 0f, -10f), compassFont));
399 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.s"), new Point3f(0f, 0f, 10f), compassFont));
400 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.w"), new Point3f(-11f, 0f, 0f), compassFont));
401 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.e"), new Point3f(10f, 0f, 0f), compassFont));
403 // Add points to model
404 objTrans.addChild(createDataPoints(_model));
407 BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
408 AmbientLight aLgt = new AmbientLight(new Color3f(1.0f, 1.0f, 1.0f));
409 aLgt.setInfluencingBounds(bounds);
410 objTrans.addChild(aLgt);
412 PointLight pLgt = new PointLight(new Color3f(1.0f, 1.0f, 1.0f),
413 new Point3f(0f, 0f, 2f), new Point3f(0.25f, 0.05f, 0.0f) );
414 pLgt.setInfluencingBounds(bounds);
415 objTrans.addChild(pLgt);
417 PointLight pl2 = new PointLight(new Color3f(0.8f, 0.9f, 0.4f),
418 new Point3f(6f, 1f, 6f), new Point3f(0.2f, 0.1f, 0.05f) );
419 pl2.setInfluencingBounds(bounds);
420 objTrans.addChild(pl2);
422 PointLight pl3 = new PointLight(new Color3f(0.7f, 0.7f, 0.7f),
423 new Point3f(0.0f, 12f, -2f), new Point3f(0.1f, 0.1f, 0.0f) );
424 pl3.setInfluencingBounds(bounds);
425 objTrans.addChild(pl3);
427 // Have Java 3D perform optimizations on this scene graph.
435 * Create a text object for compass point, N S E or W
436 * @param text text to display
437 * @param locn position at which to display
438 * @param font 3d font to use
439 * @return Shape3D object
441 private Shape3D createCompassPoint(String inText, Point3f inLocn, Font3D inFont)
443 Text3D txt = new Text3D(inFont, inText, inLocn, Text3D.ALIGN_FIRST, Text3D.PATH_RIGHT);
444 Material mat = new Material(new Color3f(0.5f, 0.5f, 0.55f),
445 new Color3f(0.05f, 0.05f, 0.1f), new Color3f(0.3f, 0.4f, 0.5f),
446 new Color3f(0.4f, 0.5f, 0.7f), 70.0f);
447 mat.setLightingEnable(true);
448 Appearance app = new Appearance();
449 app.setMaterial(mat);
450 Shape3D shape = new Shape3D(txt, app);
456 * Make a Group of the data points to be added
457 * @param inModel model containing data
458 * @return Group object containing spheres, rods etc
460 private static Group createDataPoints(ThreeDModel inModel)
462 // Add points to model
463 Group group = new Group();
464 int numPoints = inModel.getNumPoints();
465 for (int i=0; i<numPoints; i++)
467 byte pointType = inModel.getPointType(i);
468 if (pointType == ThreeDModel.POINT_TYPE_WAYPOINT)
471 // Note that x, y and z are horiz, altitude, -vert
472 group.addChild(createWaypoint(new Point3d(
473 inModel.getScaledHorizValue(i) * MODEL_SCALE_FACTOR,
474 inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
475 -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR)));
479 // Add colour-coded track point
480 // Note that x, y and z are horiz, altitude, -vert
481 group.addChild(createTrackpoint(new Point3d(
482 inModel.getScaledHorizValue(i) * MODEL_SCALE_FACTOR,
483 inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
484 -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR), inModel.getPointHeightCode(i)));
492 * Create a waypoint sphere
493 * @param inPointPos position of point
494 * @return Group object containing sphere
496 private static Group createWaypoint(Point3d inPointPos)
498 Material mat = getWaypointMaterial();
499 // MAYBE: sort symbol scaling
500 Sphere dot = new Sphere(0.35f); // * symbolScaling / 100f);
501 return createBall(inPointPos, dot, mat);
506 * @return a new Material object to define waypoint colour / shine etc
508 private static Material getWaypointMaterial()
510 return new Material(new Color3f(0.1f, 0.1f, 0.4f),
511 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.2f, 0.7f),
512 new Color3f(1.0f, 0.6f, 0.6f), 40.0f);
517 * @return track point object
519 private static Group createTrackpoint(Point3d inPointPos, byte inHeightCode)
521 Material mat = getTrackpointMaterial(inHeightCode);
522 // MAYBE: sort symbol scaling
523 Sphere dot = new Sphere(0.2f);
524 return createBall(inPointPos, dot, mat);
529 * @return Material object for track points with the appropriate colour for the height
531 private static Material getTrackpointMaterial(byte inHeightCode)
533 // create default material
534 Material mat = new Material(new Color3f(0.3f, 0.2f, 0.1f),
535 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.6f, 0.0f),
536 new Color3f(1.0f, 0.6f, 0.6f), 70.0f);
537 // change colour according to height code
538 if (inHeightCode == 1) mat.setDiffuseColor(new Color3f(0.4f, 0.9f, 0.2f));
539 else if (inHeightCode == 2) mat.setDiffuseColor(new Color3f(0.7f, 0.8f, 0.2f));
540 else if (inHeightCode == 3) mat.setDiffuseColor(new Color3f(0.3f, 0.6f, 0.4f));
541 else if (inHeightCode == 4) mat.setDiffuseColor(new Color3f(0.1f, 0.9f, 0.9f));
542 else if (inHeightCode >= 5) mat.setDiffuseColor(new Color3f(1.0f, 1.0f, 1.0f));
549 * Create a ball at the given point
550 * @param inPosition scaled position of point
551 * @param inSphere sphere object
552 * @param inMaterial material object
553 * @return Group containing sphere
555 private static Group createBall(Point3d inPosition, Sphere inSphere, Material inMaterial)
557 Group group = new Group();
558 // Create ball and add to group
559 Transform3D ballShift = new Transform3D();
560 ballShift.setTranslation(new Vector3d(inPosition));
561 TransformGroup ballShiftTrans = new TransformGroup(ballShift);
562 inMaterial.setLightingEnable(true);
563 Appearance ballApp = new Appearance();
564 ballApp.setMaterial(inMaterial);
565 inSphere.setAppearance(ballApp);
566 ballShiftTrans.addChild(inSphere);
567 group.addChild(ballShiftTrans);
568 // Also create rod for ball to sit on
569 Cylinder rod = new Cylinder(0.1f, (float) inPosition.y);
570 Material rodMat = new Material(new Color3f(0.2f, 0.2f, 0.2f),
571 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.2f, 0.2f, 0.2f),
572 new Color3f(0.05f, 0.05f, 0.05f), 0.4f);
573 rodMat.setLightingEnable(true);
574 Appearance rodApp = new Appearance();
575 rodApp.setMaterial(rodMat);
576 rod.setAppearance(rodApp);
577 Transform3D rodShift = new Transform3D();
578 rodShift.setTranslation(new Vector3d(inPosition.x, inPosition.y/2.0, inPosition.z));
579 TransformGroup rodShiftTrans = new TransformGroup(rodShift);
580 rodShiftTrans.addChild(rod);
581 group.addChild(rodShiftTrans);
587 * Create a java3d Shape for the terrain
588 * @param inModel threedModel
589 * @param inHelper terrain helper
590 * @param inBaseImage base image for shape, or null for no image
591 * @return Shape3D object
593 private static Shape3D createTerrain(ThreeDModel inModel, TerrainHelper inHelper, GroutedImage inBaseImage)
595 final int numNodes = inHelper.getGridSize();
596 final int RESULT_SIZE = numNodes * (numNodes * 2 - 2);
597 int[] stripData = inHelper.getStripLengths();
599 // Get the scaled terrainTrack coordinates (or just heights) from the model
600 final int nSquared = numNodes * numNodes;
601 Point3d[] rawPoints = new Point3d[nSquared];
602 for (int i=0; i<nSquared; i++)
604 double height = inModel.getScaledTerrainValue(i) * MODEL_SCALE_FACTOR;
605 rawPoints[i] = new Point3d(inModel.getScaledTerrainHorizValue(i) * MODEL_SCALE_FACTOR,
606 Math.max(height, 0.05), // make sure it's above the box
607 -inModel.getScaledTerrainVertValue(i) * MODEL_SCALE_FACTOR);
610 GeometryInfo gi = new GeometryInfo(GeometryInfo.TRIANGLE_STRIP_ARRAY);
611 gi.setCoordinates(inHelper.getTerrainCoordinates(rawPoints));
612 gi.setStripCounts(stripData);
614 Appearance tAppearance = new Appearance();
615 if (inBaseImage != null)
617 gi.setTextureCoordinateParams(1, 2); // one coord set of two dimensions
618 gi.setTextureCoordinates(0, inHelper.getTextureCoordinates());
619 Texture mapImage = new TextureLoader(inBaseImage.getImage()).getTexture();
620 tAppearance.setTexture(mapImage);
621 TextureAttributes texAttr = new TextureAttributes();
622 texAttr.setTextureMode(TextureAttributes.MODULATE);
623 tAppearance.setTextureAttributes(texAttr);
627 Color3f[] colours = new Color3f[RESULT_SIZE];
628 Color3f terrainColour = new Color3f(0.1f, 0.2f, 0.2f);
629 for (int i=0; i<RESULT_SIZE; i++) {colours[i] = terrainColour;}
630 gi.setColors(colours);
632 new NormalGenerator().generateNormals(gi);
633 Material terrnMat = new Material(new Color3f(0.4f, 0.4f, 0.4f), // ambient colour
634 new Color3f(0f, 0f, 0f), // emissive (none)
635 new Color3f(0.8f, 0.8f, 0.8f), // diffuse
636 new Color3f(0.2f, 0.2f, 0.2f), //specular
638 tAppearance.setMaterial(terrnMat);
639 return new Shape3D(gi.getGeometryArray(), tAppearance);
643 * Calculate the angles and call them back to the app
644 * @param inFunction function to call (either pov or svg)
646 private void callbackRender(Export3dFunction inFunction)
648 Transform3D trans3d = new Transform3D();
649 _orbit.getViewingPlatform().getViewPlatformTransform().getTransform(trans3d);
650 Matrix3d matrix = new Matrix3d();
652 Point3d point = new Point3d(0.0, 0.0, 1.0);
653 matrix.transform(point);
654 // Set up initial rotations
655 Transform3D firstTran = new Transform3D();
656 firstTran.rotY(Math.toRadians(-INITIAL_Y_ROTATION));
657 Transform3D secondTran = new Transform3D();
658 secondTran.rotX(Math.toRadians(-INITIAL_X_ROTATION));
659 // Apply inverse rotations in reverse order to the test point
660 Point3d result = new Point3d();
661 secondTran.transform(point, result);
662 firstTran.transform(result);
664 // Give the settings to the rendering function
665 inFunction.setCameraCoordinates(result.x, result.y, result.z);
666 inFunction.setAltitudeExaggeration(_altFactor);
667 inFunction.setTerrainDefinition(_terrainDefinition); // ignored by svg, used by pov
668 inFunction.setImageDefinition(_imageDefinition); // ignored by svg, used by pov