Performs cost-distance accumulation on a cost surface and a group of source cells.
cost_distance(source, cost, out_accum, out_backlink,
verbose_mode = FALSE)
Input source raster file.
Input cost (friction) raster file.
Output cost accumulation raster file.
Output backlink raster file.
Sets verbose mode. If verbose mode is False, tools will not print output messages.
Returns the tool text outputs.