# GRASS Help System

r.cost -

r.cost determines the cumulative cost of moving to each cell on a cost surface (the input raster map layer) from other user-specified cells whose locations are specified by their geographic coordinate(s). Each cell in the original cost surface map will contain a category value which represents the cost of traversing that cell. r.cost will produce an output raster map layer in which each cell contains the lowest total cost of traversing the spce between each cell and the user-specified points.

Manual entry for r.cost

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Automatically created on: Mon Apr 4 09:21:48 2005