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Including rivers into Least Cost Path

Question asked by roberto.filloramo on Jun 29, 2018
Latest reply on Jul 5, 2018 by roberto.filloramo



I want to include a river as possible path in the least cost analysis, hence not as barrier yet as a possible alternative route. I read about it in Wheatley-Gillings 2002 in which the authors say that it makes by creating a central corridor with a central low value and the surroundings with an high values in order to force the estimation to choose the river as path.

I looked for it in letterature, yet I didn't find anything that could give me a detailed answer.

Does someone know how to do that and how, afterwords, to include this friction surface into a more general one so as to estimate the paths?



P.s. I use ArcGIS 10.1