NAME
r.reclass.area - Reclasses a raster map greater or less than user specified area size (in hectares).
KEYWORDS
raster, statistics, aggregation
SYNOPSIS
r.reclass.area
r.reclass.area help
r.reclass.area input=name output=name [lesser=float] [greater=float] [--overwrite] [--verbose] [--quiet]
Flags:
- --overwrite
- Allow output files to overwrite existing files
- --verbose
- Verbose module output
- --quiet
- Quiet module output
Parameters:
- input=name [required]
- Name of input raster map
- output=name [required]
- Name for output raster map
- lesser=float
- Lesser value option that sets the <= area size limit [hectares]
- greater=float
- Greater value option that sets the >= area size limit [hectares]
DESCRIPTION
r.reclass.area reclasses a raster map greater or
less than a user specified area size (in hectares).
EXAMPLE
In this example, the ZIP code map in the
North Carolina sample dataset location is filtered for large areas:
g.region rast=zipcodes -p
r.report zipcodes unit=h
# extract only areas > 2000 ha:
r.reclass.area input=zipcodes output=zipcodes_larger2000ha greater=2000
SEE ALSO
r.reclass
r.clump
r.stats
AUTHORS
NRCS,
Markus Neteler
Last changed: $Date: 2011-09-29 12:18:47 -0700 (Thu, 29 Sep 2011) $
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