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;
    }
 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());
 }