[R-sig-Geo] shortest realistic distance for fish travel

[Sarah Goslee]

Hi,

That sounds like a least-cost path problem.

Sarah

On Thu, Dec 18, 2008 at 2:38 PM, Jon Loehrke <jloehrke at umassd.edu> wrote:
> Hi,
>
>        I am trying to find an algorithm or thoughts on approach for how to
> compute the shortest realistic distance between two points.  I define
> shortest realistic distance as the shortest distance between two points that
> a fish (which is what I study) could move through.  Hence the path must wrap
> around land, islands, archipelagos, etc.
>


-- 
Sarah Goslee
http://www.functionaldiversity.org