#define VIK_GPS_LAYER_TYPE (vik_gps_layer_get_type ())
#define VIK_GPS_LAYER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), VIK_GPS_LAYER_TYPE, VikGpsLayer))
#define VIK_GPS_LAYER_TYPE (vik_gps_layer_get_type ())
#define VIK_GPS_LAYER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), VIK_GPS_LAYER_TYPE, VikGpsLayer))