Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
NAME
r.pi.prox - Calculates correlation of two raster maps by calculating correlation function of two corresponding rectangular areas for each raster point and writing the result into a new raster map.
KEYWORDS
raster
SYNOPSIS
r.pi.prox
r.pi.prox --help
r.pi.prox [-a] input=name output=name keyval=integer method=string [min=integer] [max=integer] [title="phrase"] [--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
- output=name [required]
- Name for output raster map
- keyval=integer [required]
- Key value
- method=string [required]
- Operation to perform on fragments
- Options: proximity index, modified proximity index, neighborhood index
- min=integer
- Minimum range for the operation measured by pixels, default 0
- max=integer
- Maximum Range for the operation measured by pixels, default copmlete map
- title="phrase"
- Title for resultant raster map
Calculates different proximity indices using defined buffer areas.
...
An example for the North Carolina sample dataset:
pi.index,
r.pi.neigh,
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.prox source code
(history)
Latest change: Mon Jun 28 07:54:09 2021 in commit: 1cfc0af029a35a5d6c7dae5ca7204d0eb85dbc55
Note: This addon document is for an older version of GRASS GIS that will be discontinued soon. You should upgrade your GRASS GIS installation, and read the current addon manual page.
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GRASS Development Team,
GRASS GIS 7.8.8dev Reference Manual