Digital elevation model

3D rendering of a DEM of Tithonium Chasma on Mars

Surfaces represented by a Digital Surface Model include buildings and other objects. Digital Terrain Models represent the bare ground.

Heightmap of Earth's surface (including water and ice) in equirectangular projection, normalized as 8-bit grayscale, where lighter values indicate higher elevation

A digital elevation model (DEM) is a digital model or 3D representation of a terrain's surface — commonly for a planet (including Earth), moon, or asteroid — created from terrain elevation data.

单词	Digital Terrain Model
释义	Digital Terrain Model 英语百科 Digital elevation model A digital elevation model (DEM) is a digital model or 3D representation of a terrain's surface — commonly for a planet (including Earth), moon, or asteroid — created from terrain elevation data.
随便看	pulsejet engine Pulse jet engine pulse jet fog generator pulse jet fog machine pulsejet helicopter pulse jet intermittent duct pulsejet missile pulse jets pulse jitter pulse justification pulse keyer Pulse labeling pulse labeling method pulselabeling technique pulse labeling technique Pulse labelling pulse labelling technique pulse lamp Pulse laser pulse laser amplifier pulse laser beam pulse laser diode pulse laser fuze pulse laser interferometry pulse laser operation

Digital Terrain Model

Digital elevation model