[GRASS-user] how to calculate areas
tech_dev at wildintellect.com
Tue Sep 16 05:28:17 EDT 2008
Alex Mandel wrote:
> Maciej Tomaszczyk wrote:
>> I have DEM of some part of mountains chain and i would like to calculate a real area of this (area in 3d not plane area).
>> I wonder if Grass can do it.
>> Maciej Tomaszczyk
>> Polish Geological Institute
>> Geological Mapping Department
> Just to clarify, you mean surface area as opposed to footprint of the
> mountain range. So the sum of all the surfaces of the 3d model?
The solution to that problem would be r.surf.area which should give you
both the 2D and 3D area.
You'll have to actually try this as I just read about it in Markus and
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