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r.walk
r.walk - Outputs a raster layer showing the anisotropic cumulative cost of moving based on friction cost.
Raster (r.*)
ParameterRaster|elevation|Elevation raster layer|False
ParameterRaster|friction|Friction costs layer|False
ParameterVector|start_points|Starting points|-1|False
ParameterString|max_cost|An optional maximum cumulative cost|0
ParameterString|percent_memory|Percent of map to keep in memory|100
ParameterString|nseg|Number of the segment to create (segment library)|4
*ParameterString|walk_coeff|Coefficients for walking energy formula parameters a,b,c,d|0.72,6.0,1.9998,-1.9998
*ParameterString|lambda|Lambda coefficients for combining walking energy and friction cost|1.0
ParameterString|slope_factor|Slope factor determines travel energy cost per height step|-0.2125
*ParameterBoolean|-k|Use the 'Knight's move'; slower, but more accurate|True
*ParameterBoolean|-n|Keep null values in output map|True
*ParameterBoolean|-r|Start with values in raster map|True
OutputRaster|output|Output cost layer
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