#define ALTI_TO_MPP 1.4017295
#define MPP_TO_ALTI 0.7134044
-#define FEET_IN_METER 3.2808399
-#define FEET_TO_METERS(X) (X*FEET_IN_METER)
+#define VIK_FEET_IN_METER 3.2808399
+#define VIK_METERS_TO_FEET(X) ((X)*VIK_FEET_IN_METER)
+#define VIK_FEET_TO_METERS(X) ((X)/VIK_FEET_IN_METER)
+
+#define VIK_MILES_IN_METER 0.000621371192
+#define VIK_METERS_TO_MILES(X) ((X)*VIK_MILES_IN_METER)
+#define VIK_MILES_TO_METERS(X) ((X)/VIK_MILES_IN_METER)
+
+/* MPS - Metres Per Second */
+/* MPH - Metres Per Hour */
+#define VIK_MPH_IN_MPS 2.23693629
+#define VIK_MPS_TO_MPH(X) ((X)*VIK_MPH_IN_MPS)
+#define VIK_MPH_TO_MPS(X) ((X)/VIK_MPH_IN_MPS)
+
+/* KPH - Kilometres Per Hour */
+#define VIK_KPH_IN_MPS 3.6
+#define VIK_MPS_TO_KPH(X) ((X)*VIK_KPH_IN_MPS)
+#define VIK_KPH_TO_MPS(X) ((X)/VIK_KPH_IN_MPS)
+
+#define VIK_KNOTS_IN_MPS 1.94384449
+#define VIK_MPS_TO_KNOTS(X) ((X)*VIK_KNOTS_IN_MPS)
+#define VIK_KNOTS_TO_MPS(X) ((X)/VIK_KNOTS_IN_MPS)
#define VIK_DEFAULT_ALTITUDE 0.0
#define VIK_DEFAULT_DOP 0.0
gdouble a_vik_get_default_lat ( );
gdouble a_vik_get_default_long ( );
+/* KML export preferences */
+typedef enum {
+ VIK_KML_EXPORT_UNITS_METRIC,
+ VIK_KML_EXPORT_UNITS_STATUTE,
+ VIK_KML_EXPORT_UNITS_NAUTICAL,
+} vik_kml_export_units_t;
+
+vik_kml_export_units_t a_vik_get_kml_export_units ( );
+
+#ifndef WINDOWS
+/* Windows automatically uses the system defined viewer
+ ATM for other systems need to specify the program to use */
+const gchar* a_vik_get_image_viewer ( );
+#endif
+
+const gchar* a_vik_get_external_gpx_program_1 ( );
+
+const gchar* a_vik_get_external_gpx_program_2 ( );
+
/* Group for global preferences */
#define VIKING_PREFERENCES_GROUP_KEY "viking.globals"
#define VIKING_PREFERENCES_NAMESPACE "viking.globals."
+/* Another group of global preferences,
+ but in a separate section to try to keep things organized */
+/* AKA Export/External Prefs */
+#define VIKING_PREFERENCES_IO_GROUP_KEY "viking.io"
+#define VIKING_PREFERENCES_IO_NAMESPACE "viking.io."
+
#endif