# GRASS Help System

r.drain -

r.drain traces a flow through a least-cost path in an elevation model. the elevation surface (a raster map layer) might by the cumulative cost map generated by the r.cost program. The output result (also a raster map layer) will show one or more least-cost paths between each user-provided location(s) and the low spot (low category values) in the input model.

Manual entry for r.drain

GRASS Help

GRASS Documentation

GRASS WWW Home

Please use your browser buttons to navigate this documentation!
Automatically created on: Mon Apr 4 09:21:48 2005