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.Billboard;
17 import javax.media.j3d.BoundingSphere;
18 import javax.media.j3d.BranchGroup;
19 import javax.media.j3d.Canvas3D;
20 import javax.media.j3d.DirectionalLight;
21 import javax.media.j3d.Font3D;
22 import javax.media.j3d.FontExtrusion;
23 import javax.media.j3d.GeometryArray;
24 import javax.media.j3d.GraphicsConfigTemplate3D;
25 import javax.media.j3d.Group;
26 import javax.media.j3d.Material;
27 import javax.media.j3d.PointLight;
28 import javax.media.j3d.QuadArray;
29 import javax.media.j3d.Shape3D;
30 import javax.media.j3d.Text3D;
31 import javax.media.j3d.Texture;
32 import javax.media.j3d.TextureAttributes;
33 import javax.media.j3d.Transform3D;
34 import javax.media.j3d.TransformGroup;
35 import javax.swing.JButton;
36 import javax.swing.JFrame;
37 import javax.swing.JOptionPane;
38 import javax.swing.JPanel;
39 import javax.vecmath.Color3f;
40 import javax.vecmath.Matrix3d;
41 import javax.vecmath.Point3d;
42 import javax.vecmath.Point3f;
43 import javax.vecmath.TexCoord2f;
44 import javax.vecmath.Vector3d;
45 import javax.vecmath.Vector3f;
47 import tim.prune.DataStatus;
48 import tim.prune.FunctionLibrary;
49 import tim.prune.I18nManager;
50 import tim.prune.data.Track;
51 import tim.prune.function.Export3dFunction;
52 import tim.prune.function.srtm.LookupSrtmFunction;
53 import tim.prune.gui.map.MapSourceLibrary;
54 import tim.prune.save.GroutedImage;
55 import tim.prune.save.MapGrouter;
57 import com.sun.j3d.utils.geometry.Box;
58 import com.sun.j3d.utils.geometry.Cylinder;
59 import com.sun.j3d.utils.geometry.GeometryInfo;
60 import com.sun.j3d.utils.geometry.NormalGenerator;
61 import com.sun.j3d.utils.geometry.Sphere;
62 import com.sun.j3d.utils.image.TextureLoader;
63 import com.sun.j3d.utils.universe.SimpleUniverse;
67 * Class to hold main window for java3d view of data
69 public class Java3DWindow implements ThreeDWindow
71 private Track _track = null;
72 private JFrame _parentFrame = null;
73 private JFrame _frame = null;
74 private ThreeDModel _model = null;
75 private UprightOrbiter _orbit = null;
76 private double _altFactor = -1.0;
77 private ImageDefinition _imageDefinition = null;
78 private GroutedImage _baseImage = null;
79 private TerrainDefinition _terrainDefinition = null;
80 private DataStatus _dataStatus = null;
82 /** only prompt about big track size once */
83 private static boolean TRACK_SIZE_WARNING_GIVEN = false;
86 private static final double INITIAL_Y_ROTATION = -25.0;
87 private static final double INITIAL_X_ROTATION = 15.0;
88 private static final String CARDINALS_FONT = "Arial";
89 private static final int MAX_TRACK_SIZE = 2500; // threshold for warning
90 private static final double MODEL_SCALE_FACTOR = 20.0;
95 * @param inFrame parent frame
97 public Java3DWindow(JFrame inFrame)
99 _parentFrame = inFrame;
104 * Set the track object
105 * @param inTrack Track object
107 public void setTrack(Track inTrack)
113 * @param inFactor altitude factor to use
115 public void setAltitudeFactor(double inFactor)
117 _altFactor = inFactor;
121 * Set the parameters for the base image and do the grouting already
122 * (setTrack should already be called by now)
124 public void setBaseImageParameters(ImageDefinition inDefinition)
126 _imageDefinition = inDefinition;
127 if (inDefinition != null && inDefinition.getUseImage())
129 _baseImage = new MapGrouter().createMapImage(_track, MapSourceLibrary.getSource(inDefinition.getSourceIndex()),
130 inDefinition.getZoom());
132 else _baseImage = null;
136 * Set the terrain parameters
138 public void setTerrainParameters(TerrainDefinition inDefinition)
140 _terrainDefinition = inDefinition;
144 * Set the current data status
146 public void setDataStatus(DataStatus inStatus)
148 _dataStatus = inStatus;
154 public void show() throws ThreeDException
156 // Make sure altitude exaggeration is positive
157 if (_altFactor < 0.0) {_altFactor = 1.0;}
159 // Set up the graphics config
160 GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration();
163 // Config shouldn't be null, but we can try to create a new one as a workaround
164 GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
166 config = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getBestConfiguration(gc);
171 // Second attempt also failed, going to have to give up here.
172 throw new ThreeDException("Couldn't create graphics config");
175 // Check number of points in model isn't too big, and suggest compression
176 Object[] buttonTexts = {I18nManager.getText("button.continue"), I18nManager.getText("button.cancel")};
177 if (_track.getNumPoints() > MAX_TRACK_SIZE && !TRACK_SIZE_WARNING_GIVEN)
179 if (JOptionPane.showOptionDialog(_parentFrame,
180 I18nManager.getText("dialog.3d.warningtracksize"),
181 I18nManager.getText("function.show3d"), JOptionPane.OK_CANCEL_OPTION,
182 JOptionPane.WARNING_MESSAGE, null, buttonTexts, buttonTexts[1])
183 == JOptionPane.OK_OPTION)
185 // opted to continue, don't show warning again
186 TRACK_SIZE_WARNING_GIVEN = true;
189 // opted to cancel - show warning again next time
194 Canvas3D canvas = new Canvas3D(config);
195 canvas.setSize(400, 300);
197 // Create the scene and attach it to the virtual universe
198 BranchGroup scene = createSceneGraph();
199 SimpleUniverse u = new SimpleUniverse(canvas);
201 // This will move the ViewPlatform back a bit so the
202 // objects in the scene can be viewed.
203 u.getViewingPlatform().setNominalViewingTransform();
205 // Add behaviour to rotate using mouse
206 _orbit = new UprightOrbiter(canvas, INITIAL_X_ROTATION);
207 BoundingSphere bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
208 _orbit.setSchedulingBounds(bounds);
209 u.getViewingPlatform().setViewPlatformBehavior(_orbit);
210 u.addBranchGraph(scene);
212 // Don't reuse _frame object from last time, because data and/or scale might be different
213 // Need to regenerate everything
214 _frame = new JFrame(I18nManager.getText("dialog.3d.title"));
215 _frame.getContentPane().setLayout(new BorderLayout());
216 _frame.getContentPane().add(canvas, BorderLayout.CENTER);
217 _frame.setIconImage(_parentFrame.getIconImage());
218 // Make panel for render, close buttons
219 JPanel panel = new JPanel();
220 panel.setLayout(new FlowLayout(FlowLayout.RIGHT));
221 // Add button for exporting pov
222 JButton povButton = new JButton(I18nManager.getText("function.exportpov"));
223 povButton.addActionListener(new ActionListener() {
224 /** Export pov button pressed */
225 public void actionPerformed(ActionEvent e)
227 if (_orbit != null) {
228 callbackRender(FunctionLibrary.FUNCTION_POVEXPORT);
231 panel.add(povButton);
233 JButton closeButton = new JButton(I18nManager.getText("button.close"));
234 closeButton.addActionListener(new ActionListener()
236 /** Close button pressed - clean up */
237 public void actionPerformed(ActionEvent e) {
242 panel.add(closeButton);
243 _frame.getContentPane().add(panel, BorderLayout.SOUTH);
244 _frame.setSize(500, 350);
246 // Add a listener to clean up when window closed
247 _frame.addWindowListener(new WindowAdapter() {
248 public void windowClosing(WindowEvent e) {
254 _frame.setVisible(true);
255 if (_frame.getState() == JFrame.ICONIFIED) {
256 _frame.setState(JFrame.NORMAL);
261 * Dispose of the frame and its resources
263 public void dispose()
265 if (_frame != null) {
272 * Create the whole scenery from the given track
273 * @return all objects in the scene
275 private BranchGroup createSceneGraph()
277 // Create the root of the branch graph
278 BranchGroup objRoot = new BranchGroup();
280 // Create the transform group node and initialize it.
281 // Enable the TRANSFORM_WRITE capability so it can be spun by the mouse
282 TransformGroup objTrans = new TransformGroup();
283 objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
285 // Create a translation
286 Transform3D shiftz = new Transform3D();
287 shiftz.setScale(0.055);
288 TransformGroup shiftTrans = new TransformGroup(shiftz);
290 objRoot.addChild(shiftTrans);
291 Transform3D rotTrans = new Transform3D();
292 rotTrans.rotY(Math.toRadians(INITIAL_Y_ROTATION));
293 Transform3D rot2 = new Transform3D();
294 rot2.rotX(Math.toRadians(INITIAL_X_ROTATION));
295 TransformGroup tg2 = new TransformGroup(rot2);
296 objTrans.setTransform(rotTrans);
297 shiftTrans.addChild(tg2);
298 tg2.addChild(objTrans);
301 Appearance planeAppearance = null;
303 planeAppearance = new Appearance();
304 planeAppearance.setMaterial(new Material(new Color3f(0.1f, 0.2f, 0.2f),
305 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.3f, 0.4f, 0.4f),
306 new Color3f(0.3f, 0.3f, 0.3f), 0.0f));
307 plane = new Box(10f, 0.04f, 10f, planeAppearance);
308 objTrans.addChild(plane);
310 // Image on top of base plane, if specified
311 final boolean showTerrain = _terrainDefinition != null && _terrainDefinition.getUseTerrain();
312 if (_baseImage != null && !showTerrain)
314 QuadArray baseSquare = new QuadArray (4, QuadArray.COORDINATES | GeometryArray.TEXTURE_COORDINATE_2);
315 baseSquare.setCoordinate(0, new Point3f(-10f, 0.05f, -10f));
316 baseSquare.setCoordinate(1, new Point3f(-10f, 0.05f, 10f));
317 baseSquare.setCoordinate(2, new Point3f( 10f, 0.05f, 10f));
318 baseSquare.setCoordinate(3, new Point3f( 10f, 0.05f, -10f));
319 // and set anchor points for the texture
320 baseSquare.setTextureCoordinate(0, 0, new TexCoord2f(0.0f, 1.0f));
321 baseSquare.setTextureCoordinate(0, 1, new TexCoord2f(0.0f, 0.0f));
322 baseSquare.setTextureCoordinate(0, 2, new TexCoord2f(1.0f, 0.0f));
323 baseSquare.setTextureCoordinate(0, 3, new TexCoord2f(1.0f, 1.0f));
324 // Set appearance including image
325 Appearance baseAppearance = new Appearance();
326 Texture mapImage = new TextureLoader(_baseImage.getImage(), _frame).getTexture();
327 baseAppearance.setTexture(mapImage);
328 objTrans.addChild(new Shape3D(baseSquare, baseAppearance));
331 // Create model containing track information
332 _model = new ThreeDModel(_track);
333 _model.setAltitudeFactor(_altFactor);
337 TerrainHelper terrainHelper = new TerrainHelper(_terrainDefinition.getGridSize());
338 // See if there's a previously saved terrain track we can reuse
339 Track terrainTrack = TerrainCache.getTerrainTrack(_dataStatus, _terrainDefinition);
340 if (terrainTrack == null)
342 // Construct the terrain track according to these extents and the grid size
343 terrainTrack = terrainHelper.createGridTrack(_track);
344 // Get the altitudes from SRTM for all the points in the track
345 LookupSrtmFunction srtmLookup = (LookupSrtmFunction) FunctionLibrary.FUNCTION_LOOKUP_SRTM;
346 srtmLookup.begin(terrainTrack);
347 while (srtmLookup.isRunning())
350 Thread.sleep(750); // just polling in a wait loop isn't ideal but simple
352 catch (InterruptedException e) {}
356 terrainHelper.fixVoids(terrainTrack);
358 // Store this back in the cache, maybe we'll need it again
359 TerrainCache.storeTerrainTrack(terrainTrack, _dataStatus, _terrainDefinition);
362 // Give the terrain definition to the _model as well
363 _model.setTerrain(terrainTrack);
366 objTrans.addChild(createTerrain(_model, terrainHelper, _baseImage));
370 // No terrain, so just scale the model as it is
375 GeneralPath bevelPath = new GeneralPath();
376 bevelPath.moveTo(0.0f, 0.0f);
377 for (int i=0; i<91; i+= 5)
379 bevelPath.lineTo((float) (0.1 - 0.1 * Math.cos(Math.toRadians(i))),
380 (float) (0.1 * Math.sin(Math.toRadians(i))));
382 for (int i=90; i>0; i-=5)
384 bevelPath.lineTo((float) (0.3 + 0.1 * Math.cos(Math.toRadians(i))),
385 (float) (0.1 * Math.sin(Math.toRadians(i))));
387 Font3D compassFont = new Font3D(
388 new Font(CARDINALS_FONT, Font.PLAIN, 1),
389 new FontExtrusion(bevelPath));
390 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.n"), new Point3f(0f, 0f, -11.5f), compassFont));
391 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.s"), new Point3f(0f, 0f, 11.5f), compassFont));
392 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.w"), new Point3f(-11.5f, 0f, 0f), compassFont));
393 objTrans.addChild(createCompassPoint(I18nManager.getText("cardinal.e"), new Point3f(11.5f, 0f, 0f), compassFont));
395 // Add points to model
396 objTrans.addChild(createDataPoints(_model));
398 // Create lights - always add ambient light
399 BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
400 AmbientLight aLgt = new AmbientLight(new Color3f(1.0f, 1.0f, 1.0f));
401 aLgt.setInfluencingBounds(bounds);
402 objTrans.addChild(aLgt);
404 // Additional lights depend on whether there's a terrain or not
407 // If there's a terrain, just have directional light from northwest
408 DirectionalLight dl = new DirectionalLight(true,
409 new Color3f(1.0f, 1.0f, 1.0f),
410 new Vector3f(1.0f, -1.0f, 1.0f));
411 dl.setInfluencingBounds(bounds);
412 objTrans.addChild(dl);
416 // There is no terrain, so use point lights as before
417 PointLight pLgt = new PointLight(new Color3f(1.0f, 1.0f, 1.0f),
418 new Point3f(0f, 0f, 2f), new Point3f(0.25f, 0.05f, 0.0f) );
419 pLgt.setInfluencingBounds(bounds);
420 objTrans.addChild(pLgt);
422 PointLight pl2 = new PointLight(new Color3f(0.8f, 0.9f, 0.4f),
423 new Point3f(6f, 1f, 6f), new Point3f(0.2f, 0.1f, 0.05f) );
424 pl2.setInfluencingBounds(bounds);
425 objTrans.addChild(pl2);
427 PointLight pl3 = new PointLight(new Color3f(0.7f, 0.7f, 0.7f),
428 new Point3f(0.0f, 12f, -2f), new Point3f(0.1f, 0.1f, 0.0f) );
429 pl3.setInfluencingBounds(bounds);
430 objTrans.addChild(pl3);
433 // Have Java 3D perform optimizations on this scene graph.
441 * Create a text object for compass point, N S E or W
442 * @param inText text to display
443 * @param inLocn position at which to display
444 * @param inFont 3d font to use
445 * @return compound object
447 private TransformGroup createCompassPoint(String inText, Point3f inLocn, Font3D inFont)
449 Text3D txt = new Text3D(inFont, inText, inLocn, Text3D.ALIGN_FIRST, Text3D.PATH_RIGHT);
450 Material mat = new Material(new Color3f(0.5f, 0.5f, 0.55f),
451 new Color3f(0.05f, 0.05f, 0.1f), new Color3f(0.3f, 0.4f, 0.5f),
452 new Color3f(0.4f, 0.5f, 0.7f), 70.0f);
453 mat.setLightingEnable(true);
454 Appearance app = new Appearance();
455 app.setMaterial(mat);
456 Shape3D shape = new Shape3D(txt, app);
458 // Make transform group with billboard behaviour
459 TransformGroup subGroup = new TransformGroup();
460 subGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
461 subGroup.addChild(shape);
462 Billboard billboard = new Billboard(subGroup, Billboard.ROTATE_ABOUT_POINT, inLocn);
463 BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
464 billboard.setSchedulingBounds(bounds);
465 subGroup.addChild(billboard);
471 * Make a Group of the data points to be added
472 * @param inModel model containing data
473 * @return Group object containing spheres, rods etc
475 private static Group createDataPoints(ThreeDModel inModel)
477 // Add points to model
478 Group group = new Group();
479 int numPoints = inModel.getNumPoints();
480 for (int i=0; i<numPoints; i++)
482 byte pointType = inModel.getPointType(i);
483 if (pointType == ThreeDModel.POINT_TYPE_WAYPOINT)
486 // Note that x, y and z are horiz, altitude, -vert
487 group.addChild(createWaypoint(new Point3d(
488 inModel.getScaledHorizValue(i) * MODEL_SCALE_FACTOR,
489 inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
490 -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR)));
494 // Add colour-coded track point
495 // Note that x, y and z are horiz, altitude, -vert
496 group.addChild(createTrackpoint(new Point3d(
497 inModel.getScaledHorizValue(i) * MODEL_SCALE_FACTOR,
498 inModel.getScaledAltValue(i) * MODEL_SCALE_FACTOR,
499 -inModel.getScaledVertValue(i) * MODEL_SCALE_FACTOR), inModel.getPointHeightCode(i)));
507 * Create a waypoint sphere
508 * @param inPointPos position of point
509 * @return Group object containing sphere
511 private static Group createWaypoint(Point3d inPointPos)
513 Material mat = getWaypointMaterial();
514 // MAYBE: sort symbol scaling
515 Sphere dot = new Sphere(0.35f); // * symbolScaling / 100f);
516 return createBall(inPointPos, dot, mat);
521 * @return a new Material object to define waypoint colour / shine etc
523 private static Material getWaypointMaterial()
525 return new Material(new Color3f(0.1f, 0.1f, 0.4f),
526 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.2f, 0.7f),
527 new Color3f(1.0f, 0.6f, 0.6f), 40.0f);
532 * @return track point object
534 private static Group createTrackpoint(Point3d inPointPos, byte inHeightCode)
536 Material mat = getTrackpointMaterial(inHeightCode);
537 // MAYBE: sort symbol scaling
538 Sphere dot = new Sphere(0.2f);
539 return createBall(inPointPos, dot, mat);
544 * @return Material object for track points with the appropriate colour for the height
546 private static Material getTrackpointMaterial(byte inHeightCode)
548 // create default material
549 Material mat = new Material(new Color3f(0.3f, 0.2f, 0.1f),
550 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.0f, 0.6f, 0.0f),
551 new Color3f(1.0f, 0.6f, 0.6f), 70.0f);
552 // change colour according to height code
553 if (inHeightCode == 1) mat.setDiffuseColor(new Color3f(0.4f, 0.9f, 0.2f));
554 else if (inHeightCode == 2) mat.setDiffuseColor(new Color3f(0.7f, 0.8f, 0.2f));
555 else if (inHeightCode == 3) mat.setDiffuseColor(new Color3f(0.3f, 0.6f, 0.4f));
556 else if (inHeightCode == 4) mat.setDiffuseColor(new Color3f(0.1f, 0.9f, 0.9f));
557 else if (inHeightCode >= 5) mat.setDiffuseColor(new Color3f(1.0f, 1.0f, 1.0f));
564 * Create a ball at the given point
565 * @param inPosition scaled position of point
566 * @param inSphere sphere object
567 * @param inMaterial material object
568 * @return Group containing sphere
570 private static Group createBall(Point3d inPosition, Sphere inSphere, Material inMaterial)
572 Group group = new Group();
573 // Create ball and add to group
574 Transform3D ballShift = new Transform3D();
575 ballShift.setTranslation(new Vector3d(inPosition));
576 TransformGroup ballShiftTrans = new TransformGroup(ballShift);
577 inMaterial.setLightingEnable(true);
578 Appearance ballApp = new Appearance();
579 ballApp.setMaterial(inMaterial);
580 inSphere.setAppearance(ballApp);
581 ballShiftTrans.addChild(inSphere);
582 group.addChild(ballShiftTrans);
583 // Also create rod for ball to sit on
584 Cylinder rod = new Cylinder(0.1f, (float) inPosition.y);
585 Material rodMat = new Material(new Color3f(0.2f, 0.2f, 0.2f),
586 new Color3f(0.0f, 0.0f, 0.0f), new Color3f(0.2f, 0.2f, 0.2f),
587 new Color3f(0.05f, 0.05f, 0.05f), 0.4f);
588 rodMat.setLightingEnable(true);
589 Appearance rodApp = new Appearance();
590 rodApp.setMaterial(rodMat);
591 rod.setAppearance(rodApp);
592 Transform3D rodShift = new Transform3D();
593 rodShift.setTranslation(new Vector3d(inPosition.x, inPosition.y/2.0, inPosition.z));
594 TransformGroup rodShiftTrans = new TransformGroup(rodShift);
595 rodShiftTrans.addChild(rod);
596 group.addChild(rodShiftTrans);
602 * Create a java3d Shape for the terrain
603 * @param inModel threedModel
604 * @param inHelper terrain helper
605 * @param inBaseImage base image for shape, or null for no image
606 * @return Shape3D object
608 private static Shape3D createTerrain(ThreeDModel inModel, TerrainHelper inHelper, GroutedImage inBaseImage)
610 final int numNodes = inHelper.getGridSize();
611 final int RESULT_SIZE = numNodes * (numNodes * 2 - 2);
612 int[] stripData = inHelper.getStripLengths();
614 // Get the scaled terrainTrack coordinates (or just heights) from the model
615 final int nSquared = numNodes * numNodes;
616 Point3d[] rawPoints = new Point3d[nSquared];
617 for (int i=0; i<nSquared; i++)
619 double height = inModel.getScaledTerrainValue(i) * MODEL_SCALE_FACTOR;
620 rawPoints[i] = new Point3d(inModel.getScaledTerrainHorizValue(i) * MODEL_SCALE_FACTOR,
621 Math.max(height, 0.05), // make sure it's above the box
622 -inModel.getScaledTerrainVertValue(i) * MODEL_SCALE_FACTOR);
625 GeometryInfo gi = new GeometryInfo(GeometryInfo.TRIANGLE_STRIP_ARRAY);
626 gi.setCoordinates(inHelper.getTerrainCoordinates(rawPoints));
627 gi.setStripCounts(stripData);
629 Appearance tAppearance = new Appearance();
630 if (inBaseImage != null)
632 gi.setTextureCoordinateParams(1, 2); // one coord set of two dimensions
633 gi.setTextureCoordinates(0, inHelper.getTextureCoordinates());
634 Texture mapImage = new TextureLoader(inBaseImage.getImage()).getTexture();
635 tAppearance.setTexture(mapImage);
636 TextureAttributes texAttr = new TextureAttributes();
637 texAttr.setTextureMode(TextureAttributes.MODULATE);
638 tAppearance.setTextureAttributes(texAttr);
642 Color3f[] colours = new Color3f[RESULT_SIZE];
643 Color3f terrainColour = new Color3f(0.1f, 0.2f, 0.2f);
644 for (int i=0; i<RESULT_SIZE; i++) {colours[i] = terrainColour;}
645 gi.setColors(colours);
647 new NormalGenerator().generateNormals(gi);
648 Material terrnMat = new Material(new Color3f(0.4f, 0.4f, 0.4f), // ambient colour
649 new Color3f(0f, 0f, 0f), // emissive (none)
650 new Color3f(0.8f, 0.8f, 0.8f), // diffuse
651 new Color3f(0.2f, 0.2f, 0.2f), //specular
653 tAppearance.setMaterial(terrnMat);
654 return new Shape3D(gi.getGeometryArray(), tAppearance);
658 * Calculate the angles and call them back to the app
659 * @param inFunction function to call for export
661 private void callbackRender(Export3dFunction inFunction)
663 Transform3D trans3d = new Transform3D();
664 _orbit.getViewingPlatform().getViewPlatformTransform().getTransform(trans3d);
665 Matrix3d matrix = new Matrix3d();
667 Point3d point = new Point3d(0.0, 0.0, 1.0);
668 matrix.transform(point);
669 // Set up initial rotations
670 Transform3D firstTran = new Transform3D();
671 firstTran.rotY(Math.toRadians(-INITIAL_Y_ROTATION));
672 Transform3D secondTran = new Transform3D();
673 secondTran.rotX(Math.toRadians(-INITIAL_X_ROTATION));
674 // Apply inverse rotations in reverse order to the test point
675 Point3d result = new Point3d();
676 secondTran.transform(point, result);
677 firstTran.transform(result);
679 // Give the settings to the rendering function
680 inFunction.setCameraCoordinates(result.x, result.y, result.z);
681 inFunction.setAltitudeExaggeration(_altFactor);
682 inFunction.setTerrainDefinition(_terrainDefinition);
683 inFunction.setImageDefinition(_imageDefinition);