[SAC-HELP] Re: sac-help Digest, Vol 18, Issue 3

[Eva-Maria Rumpfhuber]

Hey Januka,

I usually use a csh-script to sort data, and use sac just to extract the
header information. You can try something like this, the following script
will extract you the header information and store it in a file I called
"rayp.list".

Let me know, if it doesn't work.
Good luck, eva


#/bin/csh
# This is a script to extract header information from a
# sac file.

# Selects all seismograms sorted by events
# (you need to change print $2 to what works for you)
set event = ` ls *.sac | nawk -F. '{print $2}' | sort | uniq `

@ i = 1
@ end = $#event + 1
echo Number of events: $#event

# Loop over the events
while ( $i < $end )
echo Processing event: $event[$i]

#
set file_r = *"."$event[$i]".sac"
echo Input file: $file_r

# start sac and read+write header values
sac <<eof
r $file_r
setbb evid $event[$i]
setbb lat &1,evla
setbb lon &1,evlo
setbb dp &1,evdp
setbb gcdeg &1,gcarc
setbb gckm &1,dist
setbb baz1 &1,baz
setbb rayp &1,user0
getbb TO temp.file names off newline off evid baz1 rayp
quit
eof

cat temp.file >>rayp.list
\rm -f temp.file

@ i = $i + 1
end



----- Original Message ----- 
From: <sac-help-request at iris.washington.edu>
To: <sac-help at iris.washington.edu>
Sent: Sunday, December 03, 2006 2:00 PM
Subject: sac-help Digest, Vol 18, Issue 3


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> Today's Topics:
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>    1.  GCARC (Januka Attanayake)
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> Message: 1
> Date: Sat, 2 Dec 2006 22:41:04 -0500
> From: "Januka Attanayake" <jattanayake at gmail.com>
> Subject: [SAC-HELP] GCARC
> To: sac-help at iris.washington.edu
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> <984f6f900612021941r23fd0871xdf3e19756ebbd772 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Greetings,
> I am interested in seperating  a bunch of seismograms according to
different
> GCARC values, for example, bunch up all the seismograms  that are between
> 100 & 120 together ... so on and so forth. Is it possible to do this in
SAC?
> any clues?
>
> Thank you.
>
> Januka.
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***************************************************************************
Eva-Maria Rumpfhuber

University of Texas at El Paso / University of Oklahoma
810 Sarkeys Energy Center
100 E. Boyd Street
Norman, OK 73019-1009
U.S.A.

phone: +1-405-325-1563
email: erumpfhuber at ou.edu
web: http://www.geo.utep.edu/pub/eva
***************************************************************************
Wheresoever you go, go with all your heart.
<Confucius>