{"version":"1.0","type":"link","title":"Digital elevation model - Newikis","description":"A digital elevation model (DEM) or digital surface model (DSM) is a 3D computer graphics representation of elevation data to represent terrain or overlaying objects, commonly of a planet, moon, or asteroid. A \"global DEM\" refers to a discrete global grid. DEMs are used often in geographic…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/f/ff/Mtm-05277e_3d.png","thumbnail_width":1274,"thumbnail_height":972}