private void adjustDateLineCrossingPoints() { ArrayList<LatLon> corners = new ArrayList<LatLon>(Arrays.asList(sw, se, nw, ne)); if (!LatLon.locationsCrossDateLine(corners)) return; double lonSign = 0; for (LatLon corner : corners) { if (Math.abs(corner.getLongitude().degrees) != 180) lonSign = Math.signum(corner.getLongitude().degrees); } if (lonSign == 0) return; if (Math.abs(sw.getLongitude().degrees) == 180 && Math.signum(sw.getLongitude().degrees) != lonSign) sw = new Position(sw.getLatitude(), sw.getLongitude().multiply(-1), sw.getElevation()); if (Math.abs(se.getLongitude().degrees) == 180 && Math.signum(se.getLongitude().degrees) != lonSign) se = new Position(se.getLatitude(), se.getLongitude().multiply(-1), se.getElevation()); if (Math.abs(nw.getLongitude().degrees) == 180 && Math.signum(nw.getLongitude().degrees) != lonSign) nw = new Position(nw.getLatitude(), nw.getLongitude().multiply(-1), nw.getElevation()); if (Math.abs(ne.getLongitude().degrees) == 180 && Math.signum(ne.getLongitude().degrees) != lonSign) ne = new Position(ne.getLatitude(), ne.getLongitude().multiply(-1), ne.getElevation()); }
public int countImagesInSector(Sector sector, int levelNumber) { if (sector == null) { String msg = Logging.getMessage("nullValue.SectorIsNull"); Logging.logger().severe(msg); throw new IllegalArgumentException(msg); } Level targetLevel = this.levels.getLastLevel(); if (levelNumber >= 0) { for (int i = levelNumber; i < this.getLevels().getLastLevel().getLevelNumber(); i++) { if (this.levels.isLevelEmpty(i)) continue; targetLevel = this.levels.getLevel(i); break; } } // Collect all the tiles intersecting the input sector. LatLon delta = targetLevel.getTileDelta(); Angle latOrigin = this.levels.getTileOrigin().getLatitude(); Angle lonOrigin = this.levels.getTileOrigin().getLongitude(); final int nwRow = Tile.computeRow(delta.getLatitude(), sector.getMaxLatitude(), latOrigin); final int nwCol = Tile.computeColumn(delta.getLongitude(), sector.getMinLongitude(), lonOrigin); final int seRow = Tile.computeRow(delta.getLatitude(), sector.getMinLatitude(), latOrigin); final int seCol = Tile.computeColumn(delta.getLongitude(), sector.getMaxLongitude(), lonOrigin); int numRows = nwRow - seRow + 1; int numCols = seCol - nwCol + 1; return numRows * numCols; }
private void drawTileIDs(DrawContext dc, ArrayList<MercatorTextureTile> tiles) { java.awt.Rectangle viewport = dc.getView().getViewport(); if (this.textRenderer == null) { this.textRenderer = new TextRenderer(java.awt.Font.decode("Arial-Plain-13"), true, true); this.textRenderer.setUseVertexArrays(false); } dc.getGL().glDisable(GL.GL_DEPTH_TEST); dc.getGL().glDisable(GL.GL_BLEND); dc.getGL().glDisable(GL.GL_TEXTURE_2D); this.textRenderer.setColor(java.awt.Color.YELLOW); this.textRenderer.beginRendering(viewport.width, viewport.height); for (MercatorTextureTile tile : tiles) { String tileLabel = tile.getLabel(); if (tile.getFallbackTile() != null) tileLabel += "/" + tile.getFallbackTile().getLabel(); LatLon ll = tile.getSector().getCentroid(); Vec4 pt = dc.getGlobe() .computePointFromPosition( ll.getLatitude(), ll.getLongitude(), dc.getGlobe().getElevation(ll.getLatitude(), ll.getLongitude())); pt = dc.getView().project(pt); this.textRenderer.draw(tileLabel, (int) pt.x, (int) pt.y); } this.textRenderer.endRendering(); }
private Info[] buildSurfaceShapes() { LatLon position = new LatLon(Angle.fromDegrees(38), Angle.fromDegrees(-105)); ArrayList<LatLon> surfaceLinePositions = new ArrayList<LatLon>(); // surfaceLinePositions.add(LatLon.fromDegrees(37.8484, -119.9754)); // surfaceLinePositions.add(LatLon.fromDegrees(38.3540, -119.1526)); // surfaceLinePositions.add(new LatLon(Angle.fromDegrees(0), // Angle.fromDegrees(-150))); // surfaceLinePositions.add(new LatLon(Angle.fromDegrees(60), // Angle.fromDegrees(0))); surfaceLinePositions.add(position); surfaceLinePositions.add(LatLon.fromDegrees(39, -104)); surfaceLinePositions.add(LatLon.fromDegrees(39, -105)); surfaceLinePositions.add(position); return new Info[] { new Info("Circle", new SurfaceCircle(position, 100e3)), new Info("Ellipse", new SurfaceEllipse(position, 100e3, 90e3, Angle.ZERO)), new Info("Square", new SurfaceSquare(position, 100e3)), new Info("Quad", new SurfaceQuad(position, 100e3, 60e3, Angle.ZERO)), new Info("Sector", new SurfaceSector(Sector.fromDegrees(38, 40, -105, -103))), new Info("Polygon", new SurfacePolygon(surfaceLinePositions)), }; }
protected void movePolygon(Point previousMousePoint, Point mousePoint) { // Intersect a ray through each mouse point, with a geoid passing through the reference // elevation. // If either ray fails to intersect the geoid, then ignore this event. Use the difference // between the two // intersected positions to move the control point's location. View view = this.wwd.getView(); Globe globe = this.wwd.getModel().getGlobe(); Position refPos = this.polygon.getReferencePosition(); if (refPos == null) return; Line ray = view.computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY()); Line previousRay = view.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY()); Vec4 vec = AirspaceEditorUtil.intersectGlobeAt(this.wwd, refPos.getElevation(), ray); Vec4 previousVec = AirspaceEditorUtil.intersectGlobeAt(this.wwd, refPos.getElevation(), previousRay); if (vec == null || previousVec == null) { return; } Position pos = globe.computePositionFromPoint(vec); Position previousPos = globe.computePositionFromPoint(previousVec); LatLon change = pos.subtract(previousPos); this.polygon.move(new Position(change.getLatitude(), change.getLongitude(), 0.0)); }
protected Vec4 getPoint(LatLon latlon, double elevation) { SceneController sc = this.getApp().getWwd().getSceneController(); Globe globe = this.getApp().getWwd().getModel().getGlobe(); double e = globe.getElevation(latlon.getLatitude(), latlon.getLongitude()); return globe.computePointFromPosition( latlon.getLatitude(), latlon.getLongitude(), (e + elevation) * sc.getVerticalExaggeration()); }
public void doActionOnButton3() { // Sector sector = Sector.fromDegrees( 44d, 46d, -123.3d, -123.2d ); ArrayList<LatLon> latlons = new ArrayList<LatLon>(); latlons.add(LatLon.fromDegrees(45.50d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.51d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.52d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.53d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.54d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.55d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.56d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.57d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.58d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.59d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.60d, -123.3d)); ElevationModel model = this.wwd.getModel().getGlobe().getElevationModel(); StringBuffer sb = new StringBuffer(); for (LatLon ll : latlons) { double e = model.getElevation(ll.getLatitude(), ll.getLongitude()); sb.append("\n").append(e); } Logging.logger().info(sb.toString()); }
protected void doMoveAirspaceLaterally( WorldWindow wwd, Airspace airspace, Point mousePoint, Point previousMousePoint) { // Intersect a ray throuh each mouse point, with a geoid passing through the reference // elevation. Since // most airspace control points follow a fixed altitude, this will track close to the intended // mouse position. // If either ray fails to intersect the geoid, then ignore this event. Use the difference // between the two // intersected positions to move the control point's location. if (!(airspace instanceof Movable)) { return; } Movable movable = (Movable) airspace; View view = wwd.getView(); Globe globe = wwd.getModel().getGlobe(); Position refPos = movable.getReferencePosition(); if (refPos == null) return; // Convert the reference position into a cartesian point. This assumes that the reference // elevation is defined // by the airspace's lower altitude. Vec4 refPoint = null; if (airspace.isTerrainConforming()[LOWER_ALTITUDE]) refPoint = wwd.getSceneController().getTerrain().getSurfacePoint(refPos); if (refPoint == null) refPoint = globe.computePointFromPosition(refPos); // Convert back to a position. refPos = globe.computePositionFromPoint(refPoint); Line ray = view.computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY()); Line previousRay = view.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY()); Vec4 vec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), ray); Vec4 previousVec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), previousRay); if (vec == null || previousVec == null) { return; } Position pos = globe.computePositionFromPoint(vec); Position previousPos = globe.computePositionFromPoint(previousVec); LatLon change = pos.subtract(previousPos); movable.move(new Position(change.getLatitude(), change.getLongitude(), 0.0)); this.fireAirspaceMoved(new AirspaceEditEvent(wwd, airspace, this)); }
private MercatorTextureTile[][] getTilesInSector(Sector sector, int levelNumber) { if (sector == null) { String msg = Logging.getMessage("nullValue.SectorIsNull"); Logging.logger().severe(msg); throw new IllegalArgumentException(msg); } Level targetLevel = this.levels.getLastLevel(); if (levelNumber >= 0) { for (int i = levelNumber; i < this.getLevels().getLastLevel().getLevelNumber(); i++) { if (this.levels.isLevelEmpty(i)) continue; targetLevel = this.levels.getLevel(i); break; } } // Collect all the tiles intersecting the input sector. LatLon delta = targetLevel.getTileDelta(); Angle latOrigin = this.levels.getTileOrigin().getLatitude(); Angle lonOrigin = this.levels.getTileOrigin().getLongitude(); final int nwRow = Tile.computeRow(delta.getLatitude(), sector.getMaxLatitude(), latOrigin); final int nwCol = Tile.computeColumn(delta.getLongitude(), sector.getMinLongitude(), lonOrigin); final int seRow = Tile.computeRow(delta.getLatitude(), sector.getMinLatitude(), latOrigin); final int seCol = Tile.computeColumn(delta.getLongitude(), sector.getMaxLongitude(), lonOrigin); int numRows = nwRow - seRow + 1; int numCols = seCol - nwCol + 1; MercatorTextureTile[][] sectorTiles = new MercatorTextureTile[numRows][numCols]; for (int row = nwRow; row >= seRow; row--) { for (int col = nwCol; col <= seCol; col++) { TileKey key = new TileKey(targetLevel.getLevelNumber(), row, col, targetLevel.getCacheName()); Sector tileSector = this.levels.computeSectorForKey(key); MercatorSector mSector = MercatorSector.fromSector(tileSector); // TODO: check sectorTiles[nwRow - row][col - nwCol] = new MercatorTextureTile(mSector, targetLevel, row, col); } } return sectorTiles; }
protected void assembleVertexControlPoints(DrawContext dc) { Terrain terrain = dc.getTerrain(); ExtrudedPolygon polygon = this.getPolygon(); Position refPos = polygon.getReferencePosition(); Vec4 refPoint = terrain.getSurfacePoint(refPos.getLatitude(), refPos.getLongitude(), 0); int altitudeMode = polygon.getAltitudeMode(); double height = polygon.getHeight(); Vec4 vaa = null; double vaaLength = 0; // used to compute independent length of each cap vertex double vaLength = 0; int i = 0; for (LatLon location : polygon.getOuterBoundary()) { Vec4 vert; // Compute the top/cap point. if (altitudeMode == WorldWind.CONSTANT || !(location instanceof Position)) { if (vaa == null) { // Compute the vector lengths of the top and bottom points at the reference position. vaa = refPoint.multiply3(height / refPoint.getLength3()); vaaLength = vaa.getLength3(); vaLength = refPoint.getLength3(); } // Compute the bottom point, which is on the terrain. vert = terrain.getSurfacePoint(location.getLatitude(), location.getLongitude(), 0); double delta = vaLength - vert.dot3(refPoint) / vaLength; vert = vert.add3(vaa.multiply3(1d + delta / vaaLength)); } else if (altitudeMode == WorldWind.RELATIVE_TO_GROUND) { vert = terrain.getSurfacePoint( location.getLatitude(), location.getLongitude(), ((Position) location).getAltitude()); } else // WorldWind.ABSOLUTE { vert = terrain .getGlobe() .computePointFromPosition( location.getLatitude(), location.getLongitude(), ((Position) location).getAltitude() * terrain.getVerticalExaggeration()); } Position vertexPosition = this.wwd.getModel().getGlobe().computePositionFromPoint(vert); this.controlPoints.add( new ControlPointMarker( MOVE_VERTEX_ACTION, vertexPosition, vert, this.vertexControlAttributes, i)); i++; } }
protected Vec4 getSurfacePoint(LatLon latlon, double elevation) { Vec4 point = null; SceneController sc = this.getApp().getWwd().getSceneController(); Globe globe = this.getApp().getWwd().getModel().getGlobe(); if (sc.getTerrain() != null) { point = sc.getTerrain() .getSurfacePoint( latlon.getLatitude(), latlon.getLongitude(), elevation * sc.getVerticalExaggeration()); } if (point == null) { double e = globe.getElevation(latlon.getLatitude(), latlon.getLongitude()); point = globe.computePointFromPosition( latlon.getLatitude(), latlon.getLongitude(), (e + elevation) * sc.getVerticalExaggeration()); } return point; }
@SuppressWarnings({"UnusedDeclaration"}) protected void doMoved(PositionEvent event) { if (this.active && rubberBandTarget != null && this.measureTool.getWwd().getObjectsAtCurrentPosition() != null && this.measureTool.getWwd().getObjectsAtCurrentPosition().getTerrainObject() != null) { if (!isFreeHand() || (!measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_PATH) && !measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_POLYGON))) { // Rubber band - Move control point and update shape Position lastPosition = rubberBandTarget.getPosition(); PickedObjectList pol = measureTool.getWwd().getObjectsAtCurrentPosition(); PickedObject to = pol.getTerrainObject(); rubberBandTarget.setPosition(new Position(to.getPosition(), 0)); measureTool.moveControlPoint(rubberBandTarget); measureTool.firePropertyChange( MeasureTool.EVENT_POSITION_REPLACE, lastPosition, rubberBandTarget.getPosition()); measureTool.getWwd().redraw(); } else { // Free hand - Compute distance from current control point (rubber band target) Position lastPosition = rubberBandTarget.getPosition(); Position newPosition = measureTool.getWwd().getCurrentPosition(); double distance = LatLon.greatCircleDistance(lastPosition, newPosition).radians * measureTool.getWwd().getModel().getGlobe().getRadius(); if (distance >= freeHandMinSpacing) { // Add new control point measureTool.addControlPoint(); rubberBandTarget = (MeasureTool.ControlPoint) getMeasureTool() .getControlPoints() .get(getMeasureTool().getControlPoints().size() - 1); measureTool.getWwd().redraw(); } } } else if (this.moving && movingTarget != null && measureTool.getWwd().getCurrentPosition() != null) { // Moving the whole shape Position lastPosition = movingTarget.getPosition(); Position newPosition = measureTool.getWwd().getCurrentPosition(); this.moveToPosition(lastPosition, newPosition); // Update the tool tip to follow the shape as it moves. if (measureTool.isShowAnnotation()) measureTool.updateAnnotation(movingTarget.getPosition()); measureTool.getWwd().redraw(); } }
/** * Converts a point from pixel XY coordinates at a specified level of detail into * latitude/longitude WGS-84 coordinates (in degrees) * * @param pixelX X coordinate in pixels * @param pixelY Y coordinate in pixels * @param levelOfDetail Level of detail, from 1 (lowest detail) to 23 (highest detail) * @return LatLon Geodetic coordinates */ public static LatLon PixelXYToLatLong(int pixelX, int pixelY, int levelOfDetail) { double mapSize = (double) calcMapSize(levelOfDetail); double x = (pixelX - 0.5) / mapSize; double y = (pixelY - 0.5) / mapSize; double lon = 360 * x - 180; double b = Math.pow(Math.E, -4 * Math.PI * (y - 0.5)); double sinLatitude = (b - 1) / (1 + b); double lat = Math.asin(sinLatitude) * 180 / Math.PI; return LatLon.fromDegrees(lat, lon); }
protected void initializePolygon(WorldWindow wwd, Polygon polygon, boolean fitShapeToViewport) { // Creates a rectangle in the center of the viewport. Attempts to guess at a reasonable size // and height. Position position = ShapeUtils.getNewShapePosition(wwd); Angle heading = ShapeUtils.getNewShapeHeading(wwd, true); double sizeInMeters = fitShapeToViewport ? ShapeUtils.getViewportScaleFactor(wwd) : DEFAULT_SHAPE_SIZE_METERS; java.util.List<LatLon> locations = ShapeUtils.createSquareInViewport(wwd, position, heading, sizeInMeters); double maxElevation = -Double.MAX_VALUE; Globe globe = wwd.getModel().getGlobe(); for (LatLon ll : locations) { double e = globe.getElevation(ll.getLatitude(), ll.getLongitude()); if (e > maxElevation) maxElevation = e; } polygon.setAltitudes(0.0, maxElevation + sizeInMeters); polygon.setTerrainConforming(true, false); polygon.setLocations(locations); }
public void doActionOnButton1() { Logging.logger().info("Zooming to Matterhorn"); View view = this.wwd.getView(); Position matterhorn = new Position(LatLon.fromDegrees(45.9763888888889d, 7.65833333333333d), 0d); // Position eyePos = new Position( LatLon.fromDegrees( 46.01066860997058d, // 7.633097536001656d ), 3363d ); // // view.setEyePosition( eyePos ); // view.setHeading( Angle.fromDegrees( 156d )); // view.setPitch( Angle.fromDegrees( 89.9d )); view.goTo(matterhorn, 5000d); }
/** * Compute the view range footprint on the globe. * * @param dc the current <code>DrawContext</code> * @param steps the number of steps. * @return an array list of <code>LatLon</code> forming a closed shape. */ protected ArrayList<LatLon> computeViewFootPrint(DrawContext dc, int steps) { ArrayList<LatLon> positions = new ArrayList<LatLon>(); Position eyePos = dc.getView().getEyePosition(); Angle distance = Angle.fromRadians( Math.asin( dc.getView().getFarClipDistance() / (dc.getGlobe().getRadius() + eyePos.getElevation()))); if (distance.degrees > 10) { double headStep = 360d / steps; Angle heading = Angle.ZERO; for (int i = 0; i <= steps; i++) { LatLon p = LatLon.greatCircleEndPosition(eyePos, heading, distance); positions.add(p); heading = heading.addDegrees(headStep); } return positions; } else return null; }
public void actionPerformed(ActionEvent e) { if (!this.isEnabled()) { return; } if (NEW_AIRSPACE.equals(e.getActionCommand())) { this.createNewEntry(this.getView().getSelectedFactory()); } else if (CLEAR_SELECTION.equals(e.getActionCommand())) { this.selectEntry(null, true); } else if (SIZE_NEW_SHAPES_TO_VIEWPORT.equals(e.getActionCommand())) { if (e.getSource() instanceof AbstractButton) { boolean selected = ((AbstractButton) e.getSource()).isSelected(); this.setResizeNewShapesToViewport(selected); } } else if (ENABLE_EDIT.equals(e.getActionCommand())) { if (e.getSource() instanceof AbstractButton) { boolean selected = ((AbstractButton) e.getSource()).isSelected(); this.setEnableEdit(selected); } } else if (OPEN.equals(e.getActionCommand())) { this.openFromFile(); } else if (OPEN_URL.equals(e.getActionCommand())) { this.openFromURL(); } else if (OPEN_DEMO_AIRSPACES.equals(e.getActionCommand())) { this.openFromPath(DEMO_AIRSPACES_PATH); this.zoomTo( LatLon.fromDegrees(47.6584074779224, -122.3059199579634), Angle.fromDegrees(-152), Angle.fromDegrees(75), 750); } else if (REMOVE_SELECTED.equals(e.getActionCommand())) { this.removeEntries(Arrays.asList(this.getSelectedEntries())); } else if (SAVE.equals(e.getActionCommand())) { this.saveToFile(); } else if (SELECTION_CHANGED.equals(e.getActionCommand())) { this.viewSelectionChanged(); } }
protected void setCursor(MeasureTool.ControlPoint controlPoint) { // TODO: handle 'rotating' mode cursor is this.isRotating() - when using Alt key on regular // shapes if (controlPoint == null) { setComponentCursor(null); } else { if (this.measureTool.isRegularShape()) { if (this.measureTool.isCornerControl(controlPoint)) { Angle azimuth = LatLon.greatCircleAzimuth( controlPoint.getPosition(), this.measureTool.getCenterPosition()); // Account for view heading in cursor selection azimuth = azimuth.subtract(this.measureTool.getWwd().getView().getHeading()); setComponentCursor(selectResizeCursor(azimuth)); } else if (this.measureTool.isCenterControl(controlPoint)) { setComponentCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)); } } else { // Line, path and polygon setComponentCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR)); } } }
public void doActionOnButton2() { ArrayList<LatLon> latlons = new ArrayList<LatLon>(); latlons.add(LatLon.fromDegrees(45.50d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.51d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.52d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.53d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.54d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.55d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.56d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.57d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.58d, -123.3d)); // latlons.add( LatLon.fromDegrees( 45.59d, -123.3d ) ); latlons.add(LatLon.fromDegrees(45.60d, -123.3d)); Sector sector = Sector.fromDegrees(44d, 46d, -123d, -121d); // Sector sector = Sector.boundingSector( latlons ); double[] elevations = new double[latlons.size()]; // request resolution of DTED2 (1degree / 3600 ) double targetResolution = Angle.fromDegrees(1d).radians / 3600; double resolutionAchieved = this.wwd .getModel() .getGlobe() .getElevationModel() .getElevations(sector, latlons, targetResolution, elevations); StringBuffer sb = new StringBuffer(); for (double e : elevations) { sb.append("\n").append(e); } sb.append("\nresolutionAchieved = ").append(resolutionAchieved); sb.append(", requested resolution = ").append(targetResolution); Logging.logger().info(sb.toString()); }
/** * Move the shape to the specified new position * * @param oldPosition Previous position of shape * @param newPosition New position for shape */ protected void moveToPosition(Position oldPosition, Position newPosition) { Angle distanceAngle = LatLon.greatCircleDistance(oldPosition, newPosition); Angle azimuthAngle = LatLon.greatCircleAzimuth(oldPosition, newPosition); measureTool.moveMeasureShape(azimuthAngle, distanceAngle); measureTool.firePropertyChange(MeasureTool.EVENT_POSITION_REPLACE, oldPosition, newPosition); }
public BarycentricQuadrilateral(LatLon p00, LatLon p10, LatLon p11, LatLon p01) { super(p00, p10, p01); this.p11 = new Vec4(p11.getLongitude().getRadians(), p11.getLatitude().getRadians(), 0); this.w11 = this.getBarycentricCoords(this.p11); }
protected void drawIcon(DrawContext dc) { if (this.getIconFilePath() == null) return; GL gl = dc.getGL(); OGLStackHandler ogsh = new OGLStackHandler(); try { // Initialize texture if necessary Texture iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath()); if (iconTexture == null) { this.initializeTexture(dc); iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath()); if (iconTexture == null) { String msg = Logging.getMessage("generic.ImageReadFailed"); Logging.logger().finer(msg); return; } } gl.glDisable(GL.GL_DEPTH_TEST); double width = this.getScaledIconWidth(); double height = this.getScaledIconHeight(); // Load a parallel projection with xy dimensions (viewportWidth, viewportHeight) // into the GL projection matrix. java.awt.Rectangle viewport = dc.getView().getViewport(); ogsh.pushProjectionIdentity(gl); double maxwh = width > height ? width : height; gl.glOrtho(0d, viewport.width, 0d, viewport.height, -0.6 * maxwh, 0.6 * maxwh); // Translate and scale ogsh.pushModelviewIdentity(gl); double scale = this.computeScale(viewport); Vec4 locationSW = this.computeLocation(viewport, scale); gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z()); // Scale to 0..1 space gl.glScaled(scale, scale, 1); gl.glScaled(width, height, 1d); if (!dc.isPickingMode()) { gl.glEnable(GL.GL_BLEND); gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA); // Draw background color behind the map gl.glColor4ub( (byte) this.backColor.getRed(), (byte) this.backColor.getGreen(), (byte) this.backColor.getBlue(), (byte) (this.backColor.getAlpha() * this.getOpacity())); dc.drawUnitQuad(); // Draw world map icon gl.glColor4d(1d, 1d, 1d, this.getOpacity()); gl.glEnable(GL.GL_TEXTURE_2D); iconTexture.bind(); TextureCoords texCoords = iconTexture.getImageTexCoords(); dc.drawUnitQuad(texCoords); gl.glBindTexture(GL.GL_TEXTURE_2D, 0); gl.glDisable(GL.GL_TEXTURE_2D); // Draw crosshair for current location gl.glLoadIdentity(); gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z()); // Scale to width x height space gl.glScaled(scale, scale, 1); // Set color float[] colorRGB = this.color.getRGBColorComponents(null); gl.glColor4d(colorRGB[0], colorRGB[1], colorRGB[2], this.getOpacity()); // Draw crosshair Position groundPos = this.computeGroundPosition(dc, dc.getView()); if (groundPos != null) { int x = (int) (width * (groundPos.getLongitude().degrees + 180) / 360); int y = (int) (height * (groundPos.getLatitude().degrees + 90) / 180); int w = 10; // cross branch length // Draw gl.glBegin(GL.GL_LINE_STRIP); gl.glVertex3d(x - w, y, 0); gl.glVertex3d(x + w + 1, y, 0); gl.glEnd(); gl.glBegin(GL.GL_LINE_STRIP); gl.glVertex3d(x, y - w, 0); gl.glVertex3d(x, y + w + 1, 0); gl.glEnd(); } // Draw view footprint in map icon space if (this.showFootprint) { this.footPrintPositions = this.computeViewFootPrint(dc, 32); if (this.footPrintPositions != null) { gl.glBegin(GL.GL_LINE_STRIP); LatLon p1 = this.footPrintPositions.get(0); for (LatLon p2 : this.footPrintPositions) { int x = (int) (width * (p2.getLongitude().degrees + 180) / 360); int y = (int) (height * (p2.getLatitude().degrees + 90) / 180); // Draw if (LatLon.locationsCrossDateline(p1, p2)) { int y1 = (int) (height * (p1.getLatitude().degrees + 90) / 180); gl.glVertex3d(x < width / 2 ? width : 0, (y1 + y) / 2, 0); gl.glEnd(); gl.glBegin(GL.GL_LINE_STRIP); gl.glVertex3d(x < width / 2 ? 0 : width, (y1 + y) / 2, 0); } gl.glVertex3d(x, y, 0); p1 = p2; } gl.glEnd(); } } // Draw 1px border around and inside the map gl.glBegin(GL.GL_LINE_STRIP); gl.glVertex3d(0, 0, 0); gl.glVertex3d(width, 0, 0); gl.glVertex3d(width, height - 1, 0); gl.glVertex3d(0, height - 1, 0); gl.glVertex3d(0, 0, 0); gl.glEnd(); } else { // Picking this.pickSupport.clearPickList(); this.pickSupport.beginPicking(dc); // Where in the world are we picking ? Position pickPosition = computePickPosition( dc, locationSW, new Dimension((int) (width * scale), (int) (height * scale))); Color color = dc.getUniquePickColor(); int colorCode = color.getRGB(); this.pickSupport.addPickableObject(colorCode, this, pickPosition, false); gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue()); dc.drawUnitQuad(); this.pickSupport.endPicking(dc); this.pickSupport.resolvePick(dc, dc.getPickPoint(), this); } } finally { dc.restoreDefaultDepthTesting(); dc.restoreDefaultCurrentColor(); if (dc.isPickingMode()) dc.restoreDefaultBlending(); ogsh.pop(gl); } }
protected Angle computeHeading(Position pa, Position pb) { return LatLon.greatCircleAzimuth(pa, pb); }
public void doActionOnButton4() { ArrayList<LatLon> locations = new ArrayList<LatLon>(); locations.add(LatLon.fromDegrees(45.50d, -123.3d)); locations.add(LatLon.fromDegrees(45.52d, -123.3d)); locations.add(LatLon.fromDegrees(45.54d, -123.3d)); locations.add(LatLon.fromDegrees(45.56d, -123.3d)); locations.add(LatLon.fromDegrees(45.58d, -123.3d)); locations.add(LatLon.fromDegrees(45.60d, -123.3d)); locations.add(LatLon.fromDegrees(40.50d, -120.1d)); locations.add(LatLon.fromDegrees(40.52d, -120.2d)); locations.add(LatLon.fromDegrees(40.54d, -120.3d)); locations.add(LatLon.fromDegrees(40.56d, -120.4d)); locations.add(LatLon.fromDegrees(40.58d, -120.5d)); locations.add(LatLon.fromDegrees(40.60d, -120.6d)); // Now, let's find WMSBasicElevationModel WMSBasicElevationModel wmsbem = null; ElevationModel model = this.wwd.getModel().getGlobe().getElevationModel(); if (model instanceof CompoundElevationModel) { CompoundElevationModel cbem = (CompoundElevationModel) model; for (ElevationModel em : cbem.getElevationModels()) { // you can have additional checks if you know specific model name, etc. if (em instanceof WMSBasicElevationModel) { wmsbem = (WMSBasicElevationModel) em; break; } } } else if (model instanceof WMSBasicElevationModel) { wmsbem = (WMSBasicElevationModel) model; } if (null != wmsbem) { ElevationsRetriever retriever = new ElevationsRetriever(wmsbem, locations, 10000, 30000, new NotifyWhenReady()); retriever.start(); } else { String message = Logging.getMessage( "ElevationModel.ExceptionRequestingElevations", "No instance of WMSBasicElevationModel was found"); Logging.logger().severe(message); } }