A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.
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Help
Help lists are for submitting support questions. Anyone can post a question for IRIS (or another team) to answer.
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Active Message Threads for December 2019
Nora Lay
Hi,
Hello everyone, I am one of the master students in the seismology research field.
Probably a very simple question. I already downloaded the data that is "seed data file" and "event information file" for one year from one seismic station by using JWEED software. Now, I tying to extracted the data seed to SAC and add event information to SAC file. In this case, i already extracted seed to SAC by using "rdseed -df (seed file name)" with this command. But, I don't know how to add eve…
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Replies
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Re: SAC Header Information - Geo . - 2019-12-30 13:14:41
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Re: SAC Header Information - George Helffrich - 2019-12-30 09:38:13
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Guilherme de Melo
Hello
I am reading two short time sac files of HHE and HHN components to plot the
particle motion using the command "ppm". I would like ask if there is a
method to after ppm save the graphic in xy file, because I need plot in gmt.
I will be grateful for the help!
best,
Guilherme
No replies
Zoya Zarifi
Hi,
Using SAC, I am trying to apply time-shift on a signal by adding zeros in the beginning of a time series.
I use
Cuterr fillz; cut b 20
To implement 20 sec time shift in the beginning. But nothing happens.
What is the correct format of the command. What other options I have to apply a time-shift?
Regards,
Zoya Zarifi
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Re: Time shift in a time series using SAC - George Sand França - 2019-12-19 15:07:15
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Re: Time shift in a time series using SAC - Arthur Snoke - 2019-12-19 15:08:31
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RE: Time shift in a time series using SAC - Zoya Zarifi - 2019-12-20 08:57:54
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Re: Time shift in a time series using SAC - Milton Plasencia - 2019-12-19 18:38:27
usmanyaro@student.usm.my
Hey I am using the computer programs in seismology tutorials (http://www.eas.slu.edu/eqc/eqc_cps/TUTORIAL/SEED/index.html) and I am getting this message any time I try to run: rdseed -f ../20020618.5710 -R -d -o 1
This is the output message: IRIS SEED Reader, Release 5.3.1 >>
R = print response data (with addressing for evresp)
d = read data from tape
Taking input from ../20020618.5710
Output data format will be sac.binary.
INFO: sac variable EVDP will be in KILOMETERS
WARNING (outpu…
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No replies
Jonathan
Hi Brian,
That did the trick. I used ./configure --enable-readline and it used
-lreadline. It got me much further. Now, it looks like there is a function
in sss/xtraveltime.c already contained in stdio.h conflicting:
gcc -DHAVE_CONFIG_H -I. -I../inc -I/usr/local/include
-D_THREAD_SAFE -pthread -I../inc -c -o sss/xtraveltime.o
sss/xtraveltime.c
sss/xtraveltime.c:31:1: error: conflicting types for 'truncate'
truncate(char *s) {
^~~~~~~~
In file included from sss/xtravelti…
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Re: Building on FreeBSD 12 - Brian Savage - 2019-12-01 14:32:53
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Re: Building on FreeBSD 12 - Jonathan - 2019-12-01 20:44:36
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