.TH r.semantic.label 1grass "" "GRASS 8.3.2" "GRASS GIS User's Manual"
.SH NAME
\fI\fBr.semantic.label\fR\fR  \- Manages semantic label information assigned to a single raster map or to a list of raster maps.
.SH KEYWORDS
general, imagery, semantic label, image collections
.SH SYNOPSIS
\fBr.semantic.label\fR
.br
\fBr.semantic.label \-\-help\fR
.br
\fBr.semantic.label\fR \fBmap\fR=\fIname\fR[,\fIname\fR,...]  [\fBsemantic_label\fR=\fIname\fR[,\fIname\fR,...]]  \fBoperation\fR=\fIstring\fR  [\-\-\fBhelp\fR]  [\-\-\fBverbose\fR]  [\-\-\fBquiet\fR]  [\-\-\fBui\fR]
.SS Flags:
.IP "\fB\-\-help\fR" 4m
.br
Print usage summary
.IP "\fB\-\-verbose\fR" 4m
.br
Verbose module output
.IP "\fB\-\-quiet\fR" 4m
.br
Quiet module output
.IP "\fB\-\-ui\fR" 4m
.br
Force launching GUI dialog
.SS Parameters:
.IP "\fBmap\fR=\fIname[,\fIname\fR,...]\fR \fB[required]\fR" 4m
.br
Name of raster map(s)
.IP "\fBsemantic_label\fR=\fIname[,\fIname\fR,...]\fR" 4m
.br
Name of semantic label identifier (example: S2_1)
.IP "\fBoperation\fR=\fIstring\fR \fB[required]\fR" 4m
.br
Operation to be performed
.br
Options: \fIadd, remove, print\fR
.br
Default: \fIadd\fR
.SH DESCRIPTION
\fIr.semantic.label\fR allows assigning a semantic label information to a
single raster map or to a list of specified raster maps. Semantic
label can be defined by \fBsemantic_label\fR option. Already assigned semantic
label can be removed from a specified raster map
by \fBoperation=remove\fR. The module also allows printing detailed
semantic label information already assigned to a raster map
by \fBoperation=print\fR.
.PP
Either a single raster map or a list of raster maps can be given
by \fBmap\fR option.
.SH NOTES
Note that \fIonly raster maps from the current mapsets\fR can be modified.
.PP
For more information about semantic label concept and supported sensors
(generic multispectral system, Landsat\-5, Landsat\-7, Landsat\-8, Sentinel\-2)
see the \fIi.band.library\fR module.
.PP
Semantic labels are supported by temporal GRASS modules. Name of
STRDS can be extended by band identifier in order to filter the result
by a semantic label. See
\fIt.register\fR,
\fIt.rast.list\fR,
\fIt.info\fR
and \fIt.rast.mapcalc\fR
modules for examples.
.SH EXAMPLES
.SS Assign semantic label to a single raster map
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01 semantic_label=S2_1
\fR
.fi
.SS Assign semantic label to a list of raster maps
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180521T100029_B01 semantic_label=S2_1,S2_1
\fR
.fi
.SS Assign different semantic labels to a list of raster maps
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 semantic_label=S2_1,S2_2
\fR
.fi
.SS Remove semantic label from a list of raster maps
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=remove
\fR
.fi
.SS Print semantic label information about single raster map
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01 operation=print
\fR
.fi
.SS Print extended semantic label information for a list of raster map
.br
.nf
\fC
r.semantic.label map=T33UVR_20180506T100031_B01,T33UVR_20180506T100031_B02 operation=print
\fR
.fi
.SH KNOWN ISSUES
\fIr.semantic.label\fR allows managing semantic labels only related to 2D
raster maps.
.SH SEE ALSO
\fI
i.band.library,
r.info,
r.support
\fR
.SH AUTHORS
Martin Landa
.br
Development sponsored by mundialis
GmbH & Co. KG (for the openEO
EU H2020 grant 776242)
.SH SOURCE CODE
.PP
Available at:
r.semantic.label source code
(history)
.PP
Accessed: Friday Mar 08 07:35:34 2024
.PP
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.PP
© 2003\-2024
GRASS Development Team,
GRASS GIS 8.3.2 Reference Manual