src/globals.h

   1 /*
   2  * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
   3  *
   4  * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #ifndef __VIKING_GLOBALS_H
  23 #define __VIKING_GLOBALS_H
  24
  25 #define PROJECT "Viking"
  26 #define VIKING_VERSION PACKAGE_VERSION
  27 #define VIKING_VERSION_NAME "This Name For Rent"
  28 #define VIKING_URL "http://viking.sf.net/"
  29
  30 #ifdef WINDOWS
  31 #define access(a,b) _access(a,b)
  32 #define VIKING_FILE_SEP '\\'
  33 #else
  34 #include <unistd.h>
  35 #define VIKING_FILE_SEP '/'
  36 #define UNIX_WEB_BROWSER "galeon"
  37 #endif
  38
  39 #define ALTI_TO_MPP 1.4017295
  40 #define MPP_TO_ALTI 0.7134044
  41
  42 #define VIK_DEFAULT_ALTITUDE 0.0
  43
  44 #define VIK_GTK_WINDOW_FROM_WIDGET(x) GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(x)))
  45 #define VIK_GTK_WINDOW_FROM_LAYER(x) VIK_GTK_WINDOW_FROM_WIDGET(VIK_LAYER(x)->vt)
  46
  47 #define DEG2RAD 0.017453293
  48 #define RAD2DEG 57.2957795
  49
  50 /* mercator projection, latitude conversion (degrees) */
  51 #define MERCLAT(x) (RAD2DEG * log(tan((0.25 * M_PI) + (0.5 * DEG2RAD * (x)))))
  52 #define DEMERCLAT(x) (RAD2DEG * atan(sinh(DEG2RAD * (x))))
  53
  54 #endif