r.basins.fillgrass - Online in the Cloud

PROGRAM:

NAME

r.basins.fill - Generates watershed subbasins raster map.

KEYWORDS

raster, hydrology, watershed

SYNOPSIS

r.basins.fill
r.basins.fill --help
r.basins.fill cnetwork=name tnetwork=name output=name number=integer [--overwrite]
[--help] [--verbose] [--quiet] [--ui]

Flags:
--overwrite
Allow output files to overwrite existing files

--help
Print usage summary

--verbose
Verbose module output

--quiet
Quiet module output

--ui
Force launching GUI dialog

Parameters:
cnetwork=name [required]
Name of input coded stream network raster map

tnetwork=name [required]
Name of input thinned ridge network raster map

output=name [required]
Name for output raster map

number=integer [required]
Number of passes through the dataset

DESCRIPTION

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 r.watershed program, but the map
layer of ridges will need to be created by hand (for example, through digitizing done in
wxGUI vector digitizer).

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.

NOTES

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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