diff --git a/Util/ProjectionUtils.h b/Util/ProjectionUtils.h deleted file mode 100644 index 272b1e10f..000000000 --- a/Util/ProjectionUtils.h +++ /dev/null @@ -1,55 +0,0 @@ -/* - open source routing machine - Copyright (C) Dennis Luxen, others 2010 - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU AFFERO General Public License as published by -the Free Software Foundation; either version 3 of the License, or -any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU Affero General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -or see http://www.gnu.org/licenses/agpl.txt. - */ - -#ifndef PROJECTIONUTILS_H_ -#define PROJECTIONUTILS_H_ - -#include - -namespace ProjectionUtils { - -inline long googleMaxTiles(int zoom) { return( 1L << (17 - zoom) ); } - -inline void googleX_to_lng(int zoom, double x, double& lng) { - long tilesAtThisZoom =googleMaxTiles(zoom); - lng = -180.0 + (x * 360.0 / double(tilesAtThisZoom)); -} - -inline void googleY_to_lat(int zoom, double y, double& lat) { - // This function is the inverse Mercator projection. - // Look up 'Mercator projection' on Wikipedia for details. - long pixels = googleMaxTiles(zoom) * 256L; - double pixelsPerLonRadian = pixels / (2.0 * M_PI); - double bitmapOrigo = pixels / 2; - - double Y = (bitmapOrigo - y*256) / pixelsPerLonRadian; - - double latRad = 2.0 * ::atan( ::exp(Y) ) - M_PI_2; - lat = latRad * 180.0 / M_PI; -} - -inline void googleXY_to_latlng( double x, double y, int zoom, double& lng, double& lat ) { - googleX_to_lng(zoom,x,lng); - googleY_to_lat(zoom,y,lat); -} - -} - -#endif /* PROJECTIONUTILS_H_ */