english:glossary:dtm
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
| english:glossary:dtm [//01/06/2015 22:25//] – joliveau | english:glossary:dtm [//26/08/2018 11:07//] (Version actuelle) – joliveau | ||
|---|---|---|---|
| Ligne 1: | Ligne 1: | ||
| - | ====== Digital | + | ====== Digital |
| This is a digital representation of relief and thus the elevation values of a given geographical area. One can derive an indication of the gradient and elevation values as well as the forms of the topographic surface of this area. If it only represents the height of bare soil, it is called DTM. It takes into account the heights of all objects placed on it such as buildings and vegetation, it is called Digital Elevation Model (DEM). | This is a digital representation of relief and thus the elevation values of a given geographical area. One can derive an indication of the gradient and elevation values as well as the forms of the topographic surface of this area. If it only represents the height of bare soil, it is called DTM. It takes into account the heights of all objects placed on it such as buildings and vegetation, it is called Digital Elevation Model (DEM). | ||
| Ligne 6: | Ligne 6: | ||
| {{ : | {{ : | ||
| + | \\ [[glossaire: | ||
english/glossary/dtm.1433190344.txt.gz · Dernière modification : //01/06/2015 22:25// de joliveau