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r.le.trace

Langue: en

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Version: 369823 (fedora - 01/12/10)

Section: 1 (Commandes utilisateur)

NAME

r.le.trace - Displays the boundary of each r.le patch and shows how the boundary is traced, displays the attribute, size, perimeter and shape indices for each patch and saves the data in an output file.

KEYWORDS

raster

SYNOPSIS

r.le.trace
r.le.trace help
r.le.trace [-pt] map=string [out=string] [--verbose] [--quiet]

Flags:

-p

Include sampling area boundary as perimeter
-t

Use 4 neighbor tracing instead of 8 neighbor
--verbose

Verbose module output
--quiet

Quiet module output

Parameters:

map=string

Raster map to be analyzed
out=string

Name of output file to store patch data

DESCRIPTION

The r.le.trace module can be used to display the boundary of each r.le patch and show how the boundary is traced, display the attribute, size, perimeter, and shape indices for each patch, and save the data in an output file.

NOTES

Full instructions can be found in the r.le manual (see "REFERENCES" section below) and the r.le.setup help page.

REFERENCES

Baker, W.L. and Y. Cai. 1992. The r.le programs for multiscale analysis of landscape structure using the GRASS geographical information system. Landscape Ecology 7(4):291-302.

The r.le manual: Quantitative analysis of landscape structures (GRASS 5; 2001)

SEE ALSO

r.le.patch, r.le.pixel, r.le.setup

AUTHOR

William L. Baker Department of Geography and Recreation University of Wyoming Laramie, Wyoming 82071 U.S.A.

Last changed: $Date: 2006-10-06 05:31:41 +0200 (Fri, 06 Oct 2006) $

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