Talk:Digital elevation model
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| − | ''DEM stands for Digital | + | ::''DEM stands for Digital elevation model. It can be represented as a regular grid of points or as a [[Triangular irregular network]] of points. DEMs are the basis for digitally produced relief maps.'' |
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| + | Digital elevation models are sets of data representing the estimated height of a surface | ||
| + | above a certain level, i.e. a [[Geodetic datum]]. It may represent the [[Wikipedia:Elevation]] of the bare earth, | ||
| + | or include objects as buildings or tree canopies. | ||
== Possible contents and links== | == Possible contents and links== | ||
Revision as of 16:28, 9 May 2013
Contents |
Article Draft
- DEM stands for Digital elevation model. It can be represented as a regular grid of points or as a Triangular irregular network of points. DEMs are the basis for digitally produced relief maps.
Digital elevation models are sets of data representing the estimated height of a surface above a certain level, i.e. a Geodetic datum. It may represent the Wikipedia:Elevation of the bare earth, or include objects as buildings or tree canopies.
Possible contents and links
From Liu & Mason 2010[1]: DGM's are a subgroup of Surface models and can be obtained by
Related articles already existing in this wiki are:
References
- ↑ Liu, J. G. & Mason, P. Essential Image Processing and GIS for Remote Sensing. (John Wiley & Sons, 2010).
