/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */ /* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * * Copyright (C) 2013-2014, Rob Norris * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) 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 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 * */ #ifndef _MAP_UTILS_H #define _MAP_UTILS_H #include #include "mapcoord.h" #include "vikcoord.h" G_BEGIN_DECLS /* 1 << (x) is like a 2**(x) */ #define VIK_GZ(x) ((1<<(x))) // Not sure what GZ stands for probably Google Zoom gint map_utils_mpp_to_scale ( gdouble mpp ); guint8 map_utils_mpp_to_zoom_level ( gdouble mpp ); gboolean map_utils_vikcoord_to_iTMS ( const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest ); void map_utils_iTMS_to_center_vikcoord ( const MapCoord *src, VikCoord *dest ); void map_utils_iTMS_to_vikcoord ( const MapCoord *src, VikCoord *dest ); G_BEGIN_DECLS #endif