GDAL2Tiles is a command line tool that allows easy publishing of raster maps on the Internet. The raster image is converted into a directory structure of small tiles which you can copy to your webserver. GDAL2Tiles is included in GDAL/OGR 1.5.0 release. GDAL2Tiles is compatible with the Tile Map Service (TMS) Specification . TMS has been proposed as a standardised way in which map tiles are requested by clients and how servers describe their holdings. TMS is not an "official standard" and is currently managed by the Open Source Geospatial Foundation ( OSGeo ). The specification is based on multi-resolution image pyramids. Tile maps are composed of a set of scale-appropriate cartographic renderings, each divided up into regularly spaced image tiles. If the supplied raster map uses EPSG:4326 projection, GDAL2Tiles also generates necessary metadata for Google Earth ( KML SuperOverlay ). When the user is zooming or panning tile maps, only the tiles not currently in memory are r...