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Questions tagged [cost-surface]

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4
votes
1answer
86 views

Calculating accumulated walking pace from starting location outwards using R?

Goal In R, I would like to calculate an accumulated cost surface around a starting location, with the cost representing the time (say, hours) to walk from the location outwards in all directions (say,...
6
votes
1answer
168 views

How can I estimate a Least Cost Path in Google Earth Engine?

I'm using Google Earth Engine to estimate walking time based on slope, using the Google tutorial and this example based on a DEM. My code actually runs, but I don't know what units the output raster ...
2
votes
0answers
134 views

Working out travel time from gdistance's conductance values in R?

Introduction This question is indirectly related to a previous post of mine (Calculating accumulated walking pace from starting location outwards using R?), but asks guidance about a different aspect,...
1
vote
0answers
227 views

Accumulated cost surface (Tobler's hiking function) ignoring slope using R gdistance?

Background I wish to calculate in R the isochrones moving from a location outwards, implementing the Tobler's hiking function via the gdistance package (https://cran.r-project.org/web/packages/...
1
vote
0answers
60 views

Integrating use of surface distance when calculating cumulative cost-surface based on walking pace?

Disclaimer This question is somewhat related to a number of earlier questions of mine: Accumulated cost surface (Tobler's hiking function) ignoring slope using R gdistance?; Calculating ...