Digital geographical model of territory of the Czech Republic (Data50) - Terrain relief

Data50 is a geograpfical model of territory of the Czech Republic. It has been derived from a cartographic database for Base map CR 1 : 50 000 and it is totally comprised of 8 thematic groups- Settlements, cultural and industrial buildings, Pipelines and electric lines, Hydrography, Administrative units, Vegetation and bare surface, Terrain and Names. Thematic group Terrain relief contains 7 feature types - Cave, Point with given elevation, Rocky steep hill, Rocks, Terrain step, Terrain step of fall line and Contours.