+
+ /**
+ * SECTION:viktmsmapsource
+ * @short_description: the class for TMS oriented map sources
+ *
+ * The #VikTmsMapSource class handles TMS oriented map sources.
+ *
+ * The tiles are in 'equirectangular'.
+ * http://en.wikipedia.org/wiki/Equirectangular_projection
+ *
+ * Such service is also a type of TMS (Tile Map Service) as defined in
+ * OSGeo's wiki.
+ * http://wiki.osgeo.org/wiki/Tile_Map_Service_Specification
+ * Following this specification, the protocol handled by this class
+ * follows the global-geodetic profile.
+ */