[AniMov] Measure the distance/home range along terrain surface

Zulima Tablado Almela zutal at yahoo.es
Wed Jun 29 17:56:19 CEST 2011

Hello all,

I have two questions:

1)Given two coordinates on a digital elevation model (DEM), I would like 
to measure the actual distance traveled between the two locations, 
assuming a straight line route. Does anyone know the function(if there 
exists) to do that in R ou other open source GIS software?

2)How can I calculate or correct the home range size taking into account 
the variations in elevation (DEM) within it?

Thank you so much in advance, any suggestion will be very much appreciated,


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