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NAME

r.stream.preview.py - Create a preview for a threshold value given the flow accumulation map

KEYWORDS

raster

SYNOPSIS

r.stream.preview.py
r.stream.preview.py help
r.stream.preview.py acc=flow accumulation th=threshold [--verbose] [--quiet]

Parameters:

acc=flow accumulation
Name of flow accumulation raster map
th=threshold
threshold (integer)

DESCRIPTION

r.stream.preview Creates a preview of stream extraction for a threshold value and a given flow accumulation map.

NOTES

In order to find a value of upslope area to be used as input to extract the river network using r.stream.extract or r.watershed, it is common to proceed by attempts. This tool is useful for quickly display results for various attempts of threshold values.

EXAMPLE

r.stream.preview acc=accumulation_map th=value

SEE ALSO

r.stream.extract, r.watershed

AUTHOR

Margherita Di Leo (dileomargherita AT gmail DOT com)


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