数字地面模型

Also known as DEM

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

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Within Vinony's link graph, 数字地面模型 is referenced by 1,427 other articles, and connects out to Lunar Reconnaissance Orbiter, Interferometric Synthetic Aperture Radar and Global Positioning System.

It is catalogued under topics including Digital elevation models, Geodesy and Geographic data and information.

Its subject is documented across 23 Wikipedia language editions.

Wikidata facts

Image: DTM DSM.svg
Has use: topography

Show 4 more facts

topic's main category: Category:Digital elevation models
described at URL: nationalmap.gov/standards/demstds.html
Commons category: Digital elevation models
short name: DEM

Sources (3)

via Wikidata · CC0

Article · 中文

数字地面模型（digital terrain model，DTM）就是以数字的形式来表示实际地形特征的空间分布。有时所指的地形特征点仅指地面点的高程，就将这种数字地形描述称为数值高程模型（digital elevation model，DEM）。最初是于1958年由美国麻省理工学院Miller教授提出。数字地面模型广泛用于遥感，地理信息系统，大地测量和电子地图等领域。

Abstract from DBpedia / Wikipedia · CC BY-SA