Digital elevation models

ArcGIS is a family of client, server and online geographic information system (GIS) software developed and maintained by Esri.

thumb|400px|Example of one-dimensional data interpolation by kriging, with credible intervals. Squares indicate the location of the data. The kriging interpolation, shown in red, runs along the means of the normally distributed credible intervals shown in gray. The dashed curve shows a spline that is smooth, but departs significantly from the expected values given by those means.

3D model of land elevation and features; for specific DSM or DTM use specific wikidata IDs

research effort to generate a digital topographic database of Earth

thumb|right|200px|A heightmap created with Terragen thumb|right|200px|The same heightmap converted to a Polygon mesh|3D mesh and rendered with [[Anim8or]]