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   r.basins.fill generates a raster map layer depicting subbasins, based
   on input raster map layers for the coded stream network (where each
   channel segment has been "coded" with a unique category value) and for
   the ridges within a given watershed. The raster map layer depicting
   ridges should include the ridge which defines the perimeter of the
   watershed. The coded stream network can be generated as part of the
   [1]r.watershed program, but the map layer of ridges will need to be
   created by hand (for example, through digitizing done in [2]v.digit).

   The resulting output raster map layer will code the subbasins with
   category values matching those of the channel segments passing through
   them. A user-supplied number of passes through the data is made in an
   attempt to fill in these subbasins. If the resulting map layer from
   this program appears to have holes within a subbasin, the program
   should be rerun with a higher number of passes.

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   The current geographic region setting is ignored. Instead, the
   geographic region for the entire input stream's map layer is used.

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   See Appendix A of the GRASS [3]Tutorial: r.watershed for further
   details on the combined use of r.basins.fill and [4]r.watershed.

   [5]r.watershed, [6]v.digit

ÐÐТÐРЫ

   Dale White, Dept. of Geography, Pennsylvania State University
   Larry Band, Dept. of Geography, University of Toronto, Canada

   Last changed: $Date: 2008-01-25 12:42:36 -0600 (ÐÑ, 25 Ñнв 2008) $

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References

   1. file://localhost/root/tmp/2/fin/r.watershed.html
   2. file://localhost/root/tmp/2/fin/v.digit.html
   3. http://grass.itc.it/gdp/raster/r.watershed.ps
   4. file://localhost/root/tmp/2/fin/r.watershed.html
   5. file://localhost/root/tmp/2/fin/r.watershed.html
   6. file://localhost/root/tmp/2/fin/v.digit.html