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()); }
/** * Select the visible grid elements * * @param dc the current <code>DrawContext</code>. */ protected void selectRenderables(DrawContext dc) { if (dc == null) { String message = Logging.getMessage("nullValue.DrawContextIsNull"); Logging.logger().severe(message); throw new IllegalArgumentException(message); } Sector vs = dc.getVisibleSector(); OrbitView view = (OrbitView) dc.getView(); // Compute labels offset from view center Position centerPos = view.getCenterPosition(); Double pixelSizeDegrees = Angle.fromRadians( view.computePixelSizeAtDistance(view.getZoom()) / dc.getGlobe().getEquatorialRadius()) .degrees; Double labelOffsetDegrees = pixelSizeDegrees * view.getViewport().getWidth() / 4; Position labelPos = Position.fromDegrees( centerPos.getLatitude().degrees - labelOffsetDegrees, centerPos.getLongitude().degrees - labelOffsetDegrees, 0); Double labelLatDegrees = labelPos.getLatitude().normalizedLatitude().degrees; labelLatDegrees = Math.min(Math.max(labelLatDegrees, -76), 78); labelPos = new Position( Angle.fromDegrees(labelLatDegrees), labelPos.getLongitude().normalizedLongitude(), 0); if (vs != null) { for (GridElement ge : this.gridElements) { if (ge.isInView(dc)) { if (ge.renderable instanceof GeographicText) { GeographicText gt = (GeographicText) ge.renderable; if (labelPos.getLatitude().degrees < 72 || "*32*34*36*".indexOf("*" + gt.getText() + "*") == -1) { // Adjust label position according to eye position Position pos = gt.getPosition(); if (ge.type.equals(GridElement.TYPE_LATITUDE_LABEL)) pos = Position.fromDegrees( pos.getLatitude().degrees, labelPos.getLongitude().degrees, pos.getElevation()); else if (ge.type.equals(GridElement.TYPE_LONGITUDE_LABEL)) pos = Position.fromDegrees( labelPos.getLatitude().degrees, pos.getLongitude().degrees, pos.getElevation()); gt.setPosition(pos); } } this.graticuleSupport.addRenderable(ge.renderable, GRATICULE_UTM); } } // System.out.println("Total elements: " + count + " visible sector: " + vs); } }
public void onSuccess(Position[] positions) { for (Position p : positions) { Logging.logger() .info( p.getLatitude().degrees + "," + p.getLongitude().degrees + " --> " + p.getElevation()); } }
protected static boolean isNameVisible( DrawContext dc, PlaceNameService service, Position namePosition) { double elevation = dc.getVerticalExaggeration() * namePosition.getElevation(); Vec4 namePoint = dc.getGlobe() .computePointFromPosition( namePosition.getLatitude(), namePosition.getLongitude(), elevation); Vec4 eyeVec = dc.getView().getEyePoint(); double dist = eyeVec.distanceTo3(namePoint); return dist >= service.getMinDisplayDistance() && dist <= service.getMaxDisplayDistance(); }
protected static void writeReferencePositions(String filePath, ArrayList<Position> positions) throws FileNotFoundException { PrintStream os = new PrintStream(new File(filePath)); for (Position pos : positions) { os.format( "%.5f %.5f %.4f\n", pos.getLatitude().degrees, pos.getLongitude().degrees, pos.getElevation()); } os.flush(); }