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r.walk
r.walk.points - Creates a raster map showing the anisotropic cumulative cost of moving between different geographic locations on an input raster map whose cell category values represent cost from point vector layers.
Raster (r.*)
ParameterRaster|elevation|Name of input elevation raster map|False
ParameterRaster|friction|Name of input raster map containing friction costs|False
ParameterVector|start_points|Start points|0|False
ParameterVector|stop_points|Stop points|0|True
ParameterString|walk_coeff|Coefficients for walking energy formula parameters a,b,c,d|0.72,6.0,1.9998,-1.9998|False|True
ParameterNumber|lambda|Lambda coefficients for combining walking energy and friction cost|None|None|1.0|True
ParameterNumber|slope_factor|Slope factor determines travel energy cost per height step|None|None|-0.2125|True
ParameterNumber|max_cost|Maximum cumulative cost|None|None|0.0|True
ParameterNumber|null_cost|Cost assigned to null cells. By default, null cells are excluded|None|None|None|True
*ParameterNumber|memory|Maximum memory to be used in MB|0|None|300|True
*ParameterBoolean|-k|Use the 'Knight's move'; slower, but more accurate|False
*ParameterBoolean|-n|Keep null values in output raster layer|False
OutputRaster|output|Cumulative cost
OutputRaster|outdir|Movement Directions
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