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.TH "INVEXTR" "1" "Jan 10, 2023" "5.3.0" "SeisComP"
.SH NAME
invextr \- SeisComP Documentation
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.sp
\fBExtract channels from inventory.\fP
.SH DESCRIPTION
.sp
invextr reads and modifies inventory XML provided as file or on stdin:
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.IP \(bu 2
Extract or remove networks, stations and channels based on
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channel IDs
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geographic region
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Clean inventories from unused objects such as data loggers, sensors or
instrument responses.
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The important parameters are:
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Channel ID list (required)
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Input file or stdin
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Output file or stdout
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Region bounding box (optional)
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.sp
whereas the output file defaults to stdout and the input file to
stdin if not given.
.sp
The optional region box will be used to filter the read inventory based on the
coordinates of sensor locations. Only stations with sensor locations within the
region will be considered. All others will be ignored.
.sp
A channel ID is a simple string that is matched against the final channel ID
in the inventory. This final channel ID is constructed by joining the codes of
all stages with a dot where the stages are network, station, location and
channel.
.sp
The content of the resulting inventory may be listed using scinv\&.
.SS Examples
.sp
Suppose an inventory with network GE, a station MORC and several channels:
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.nf
.ft C
network GE
station MORC
location __
channel BHZ ID: GE.MORC..BHZ
channel BHN ID: GE.MORC..BHN
channel BHE ID: GE.MORC..BHE
channel LHZ ID: GE.MORC..LHZ
channel LHN ID: GE.MORC..LHN
channel LHE ID: GE.MORC..LHE
.ft P
.fi
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The IDs are matched against streams passed with \-\-chans.
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.nf
.ft C
invextr \-\-chans "GE*" inv.xml
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.fi
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All streams are passed and nothing is filtered because GE* matches all
available IDs and region filter is not used. Since \fBinv.xml\fP only
contains stations from the GE network the option \fB\-\-chans\fP is not
useful here at all.
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.sp
.nf
.ft C
invextr \-r 0,\-180,90,180 inv.xml
All streams located in the northern hemisphere are passed as commanded by the
region bounding box.
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.fi
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Nothing is filtered again because \fIMORC\fP matches all available IDs.
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.sp
.nf
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invextr \-\-chans "*MORC*" inv.xml
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.fi
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Everything is filtered because GE.MORC does not match with any ID. To make it
work, an asterisk needs to be appended: GE.MORC* or GE.MORC.*.
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.sp
.nf
.ft C
invextr \-\-chans "GE.MORC" inv.xml
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.fi
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To extract all vertical components, use:
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invextr \-\-chans "*Z" inv.xml
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.fi
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.IP \(bu 2
To extract BHN and LHZ, use:
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invextr \-\-chans "*BHN,*LHZ" inv.xml
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.fi
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.IP \(bu 2
To remove all HH and SH channels, use:
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.sp
.nf
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invextr \-\-rm \-\-chans "*HH?,*SH?" inv.xml
.ft P
.fi
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.SH MODULE CONFIGURATION
.nf
\fBetc/defaults/global.cfg\fP
\fBetc/defaults/invextr.cfg\fP
\fBetc/global.cfg\fP
\fBetc/invextr.cfg\fP
\fB~/.seiscomp/global.cfg\fP
\fB~/.seiscomp/invextr.cfg\fP
.fi
.sp
.sp
invextr inherits global options\&.
.SH COMMAND-LINE OPTIONS
.sp
\fBinvextr [OPTIONS] [input=stdin] [output=stdout]\fP
.SS Generic
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.TP
.B \-h, \-\-help
Show help message.
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.TP
.B \-V, \-\-version
Show version information.
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.TP
.B \-\-config\-file arg
Use alternative configuration file. When this option is
used the loading of all stages is disabled. Only the
given configuration file is parsed and used. To use
another name for the configuration create a symbolic
link of the application or copy it. Example:
scautopick \-> scautopick2.
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.TP
.B \-\-plugins arg
Load given plugins.
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.TP
.B \-D, \-\-daemon
Run as daemon. This means the application will fork itself
and doesn\(aqt need to be started with &.
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.SS Verbosity
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.TP
.B \-\-verbosity arg
Verbosity level [0..4]. 0:quiet, 1:error, 2:warning, 3:info,
4:debug.
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.TP
.B \-v, \-\-v
Increase verbosity level (may be repeated, eg. \-vv).
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.TP
.B \-q, \-\-quiet
Quiet mode: no logging output.
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.TP
.B \-\-component arg
Limit the logging to a certain component. This option can
be given more than once.
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.TP
.B \-s, \-\-syslog
Use syslog logging backend. The output usually goes to
/var/lib/messages.
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.TP
.B \-l, \-\-lockfile arg
Path to lock file.
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.TP
.B \-\-console arg
Send log output to stdout.
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.TP
.B \-\-debug
Execute in debug mode.
Equivalent to \-\-verbosity=4 \-\-console=1 .
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.TP
.B \-\-log\-file arg
Use alternative log file.
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.TP
.B \-\-print\-component arg
For each log entry print the component right after the
log level. By default the component output is enabled
for file output but disabled for console output.
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.TP
.B \-\-trace
Execute in trace mode.
Equivalent to \-\-verbosity=4 \-\-console=1 \-\-print\-component=1
\-\-print\-context=1 .
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.SS Extract
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.TP
.B \-\-chans arg
A comma separated list of channel IDs to extract
which can contain wildcards. Default: *.*.*.* meaning
all streams.
.sp
Example: invextr \-\-chans "GE.*.*.BHZ,GE.MORC.*.*" inv.xml
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.TP
.B \-r, \-\-region arg
Filter streams by geographic region given as
"South, East, North, West". Region is unused by default.
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.TP
.B \-\-rm arg
Removes all channels given with \(aq\-\-chans\(aq instead of
extracting them.
.sp
Example: invextr \-\-rm \-\-chans "GE.*" inv.xml
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.TP
.B \-f, \-\-formatted
Enables formatted XML output.
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.SH AUTHOR
gempa GmbH, GFZ Potsdam
.SH COPYRIGHT
gempa GmbH, GFZ Potsdam
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