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.  

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

Does anyone knowthe function or package of R to do this?

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

Zulima


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