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=
string output=
string
[
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=string
-
Name of input raster map
- output=string
-
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: 2011-11-08 10:42:51 +0100 (Tue, 08 Nov 2011) $
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