r.pi.grow - GRASS GIS manual

Note: This document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade, and read the current manual page.

NAME

r.pi.grow - Size and suitability based region growing.

KEYWORDS

raster, landscape structure analysis, region growing

SYNOPSIS

r.pi.grow

r.pi.grow --help

r.pi.grow [-a] input=name [costmap=string] output=name keyval=integer area=integer method=string [seed=integer] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

Flags:

-a: Set for 8 cell-neighbors. 4 cell-neighbors are default
--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:

input=name [required]: Name of input raster map
costmap=string: Name of the cost map raster file
output=name [required]: Name for output raster map
keyval=integer [required]: Key value
area=integer [required]: Area to grow
method=string [required]: Method of growth; Options: circular, random, costbased
seed=integer: Random number generator seed

DESCRIPTION
NOTES
EXAMPLE
SEE ALSO
AUTHORS

DESCRIPTION

Size and suitability based region growing.

NOTES

...

EXAMPLE

An example for the North Carolina sample dataset:

g.region -d
...

AUTHORS

Programming: Elshad Shirinov
Scientific concept: Dr. Martin Wegmann
Department of Remote Sensing
Remote Sensing and Biodiversity Unit
University of Wuerzburg, Germany

Port to GRASS GIS 7: Markus Metz

SOURCE CODE

Available at: r.pi.grow source code (history)

Latest change: Tuesday Sep 19 09:59:22 2023 in commit: e76c325998c8cd9053ce012a5adbb79f33ab0779