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  2. OpenStreetMap - Wikipedia

    en.wikipedia.org/wiki/OpenStreetMap

    OpenStreetMap was created by Steve Coast in response to the Ordnance Survey, the United Kingdom's national mapping agency, failing to release its data to the public under free licences in 2004. Initially, maps were created only via GPS traces , but it was quickly populated by importing public domain geographical data such as the U.S. TIGER and ...

  3. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    A topographic map of Stowe, Vermont with contour lines Part of the same map in a perspective shaded relief view illustrating how the contour lines follow the terrain Sheet #535 (2013 version; second digital edition) of MTN50 Spanish National Topographic map series, covering Algete town (near Madrid) and its surroundings.

  4. Terrain cartography - Wikipedia

    en.wikipedia.org/wiki/Terrain_cartography

    Terrain cartography or relief mapping is the depiction of the shape of the surface of the Earth on a map, using one or more of several techniques that have been developed. Terrain or relief is an essential aspect of physical geography , and as such its portrayal presents a central problem in cartographic design , and more recently geographic ...

  5. List of online map services - Wikipedia

    en.wikipedia.org/wiki/List_of_online_map_services

    Spanish official cartography website, including National Topographic Maps MTN50 (1:50,000 scale) and MTN25 (1:25,000 scale). [ 6 ] SITPA-IDEAS , Asturias regional maps.

  6. Topography - Wikipedia

    en.wikipedia.org/wiki/Topography

    Terrain is commonly modelled either using vector (triangulated irregular network or TIN) or gridded (raster image) mathematical models. In the most applications in environmental sciences, land surface is represented and modelled using gridded models. In civil engineering and entertainment businesses, the most representations of land surface ...

  7. National mapping agency - Wikipedia

    en.wikipedia.org/wiki/National_mapping_agency

    The original draftsman's drawings for the area around St. Columb Major, Cornwall, made in 1810.. A national mapping agency (NMA) is an organisation, usually publicly owned, that produces topographic maps and geographic information of a country.

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  9. Physical geography - Wikipedia

    en.wikipedia.org/wiki/Physical_geography

    Soil geography deals with the distribution of soils across the terrain. This discipline, between geography and soil science, is fundamental to both physical geography and pedology. [9] [10] [11] Pedology is the study of soils in their natural environment. It deals with pedogenesis, soil morphology, soil classification.