-#define GIS_TYPE_TILE (gis_tile_get_type())
-#define GIS_TILE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GIS_TYPE_TILE, GisTile))
-#define GIS_IS_TILE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GIS_TYPE_TILE))
-#define GIS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIS_TYPE_TILE, GisTileClass))
-#define GIS_IS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIS_TYPE_TILE))
-#define GIS_TILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIS_TYPE_TILE, GisTileClass))
+#define GRITS_TYPE_TILE (grits_tile_get_type())
+#define GRITS_TILE(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GRITS_TYPE_TILE, GritsTile))
+#define GRITS_IS_TILE(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GRITS_TYPE_TILE))
+#define GRITS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GRITS_TYPE_TILE, GritsTileClass))
+#define GRITS_IS_TILE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GRITS_TYPE_TILE))
+#define GRITS_TILE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GRITS_TYPE_TILE, GritsTileClass))