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
Size and suitability based region growing.
...
An example for the North Carolina sample dataset:
r.pi.corearea,
r.pi.corr.mw,
r.pi.csr.mw,
r.pi.export,
r.pi.graph,
r.pi.graph.dec,
r.pi.graph.pr,
r.pi.graph.red,
r.pi.import,
r.pi.index,
r.pi.lm,
r.pi.odc,
r.pi.prob.mw,
r.pi.rectangle,
r.pi
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
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© 2003-2024
GRASS Development Team,
GRASS GIS 8.4.1dev Reference Manual