/** * Causes the View attached to the specified WorldWindow to animate to the specified sector. The * View starts animating at its current location and stops when the sector fills the window. * * @param wwd the WorldWindow who's View animates. * @param sector the sector to go to. * @throws IllegalArgumentException if either the <code>wwd</code> or the <code>sector</code> are * <code>null</code>. */ public static void goTo(WorldWindow wwd, Sector sector) { if (wwd == null) { String message = Logging.getMessage("nullValue.WorldWindow"); Logging.logger().severe(message); throw new IllegalArgumentException(message); } if (sector == null) { String message = Logging.getMessage("nullValue.SectorIsNull"); Logging.logger().severe(message); throw new IllegalArgumentException(message); } // Create a bounding box for the specified sector in order to estimate its size in model // coordinates. Box extent = Sector.computeBoundingBox( wwd.getModel().getGlobe(), wwd.getSceneController().getVerticalExaggeration(), sector); // Estimate the distance between the center position and the eye position that is necessary to // cause the sector to // fill a viewport with the specified field of view. Note that we change the distance between // the center and eye // position here, and leave the field of view constant. Angle fov = wwd.getView().getFieldOfView(); double zoom = extent.getRadius() / fov.cosHalfAngle() / fov.tanHalfAngle(); // Configure OrbitView to look at the center of the sector from our estimated distance. This // causes OrbitView to // animate to the specified position over several seconds. To affect this change immediately use // the following: // ((OrbitView) wwd.getView()).setCenterPosition(new Position(sector.getCentroid(), 0d)); // ((OrbitView) wwd.getView()).setZoom(zoom); wwd.getView().goTo(new Position(sector.getCentroid(), 0d), zoom); }