[SAC-HELP] Re: sac-help Digest, Vol 33, Issue 4
Tuna Eken
Tuna.Eken at geo.uu.se
Sun Mar 9 05:31:55 PDT 2008
Hi Onur,
I am actually running the version "00.59.46" on a FC7 of my linux enviroment.
then according to your experience it seems most probably based on the version
...
cheers
tuna
Citerar Onur Tan <Onur.Tan at mam.gov.tr>:
>
> Hi Tuna,
>
> exactly, my data length is 1800 sec.
> if you look the sample again, cutting limits is 600-700 sec.
> the problem is the first variable ( %a )
> when echo on, the second variable can not writen to the screen !
> SAC> cut %a %b
> cut %a %b
> ==> cut 600
>
>
> Do you use the version 101.0?
> I have no problem with old version.
>
> onur
>
>
> -----Original Message-----
> From: sac-help-bounces at iris.washington.edu
> [mailto:sac-help-bounces at iris.washington.edu] On Behalf Of Tuna Eken
> Sent: Sunday, March 09, 2008 12:04 AM
> To: sac-help at iris.washington.edu
> Subject: [SAC-HELP] Re: sac-help Digest, Vol 33, Issue 4
>
>
>
>
>
> To message 3:
>
> Hi Onur,
>
> when I tried the same commands with the same parameters onto my example
> sac file it did worked out ... It actually gave the same error messae
> when i used different time values (whis is not included by the data) ...
>
> So problem may be caused by applying wrong values for your data. have
> you ever checked starting end ending points of the data ?
>
> regards
>
> tuna eken
>
>
> Message: 3
> Date: Sat, 8 Mar 2008 13:29:51 +0200
> From: "Onur Tan" <Onur.Tan at mam.gov.tr>
> Subject: [SAC-HELP] Blackboard Variables and CUT
> To: <sac-help at iris.washington.edu>
> Message-ID:
> <110C3E0C4E9ADB4C882229C2A7A1540A052C2511 at POSTA2K3.mam.gov.tr>
> Content-Type: text/plain; charset="us-ascii"
>
>
> Hi,
>
> When I use a blackboard variable as the first parameter of the cut
> command in SAC new version (101.0), it gives error.
>
> I tried this (echo on):
> --------------------
> SAC> setbb a 600
> setbb a 600
> SAC> setbb b 700
> setbb b 700
> SAC> cut %a %b
> cut %a %b
> ==> cut 600
> SAC> r
> r
> WARNING: Start cut greater than stop cut for file 08010_0707_CEV.1
> ERROR 1301: No data files read in.
> SAC>
> -----------------------------
> the cut command do not understand the second variable.
>
>
> This does also not work:
> ----
> SAC> cut %a 700
> cut %a 700
> ==> cut 600
> SAC> r
> r
> WARNING: Start cut greater than stop cut for file 08010_0707_CEV.1
> ERROR 1301: No data files read in.
> ----
>
>
> But this works
> ----
> SAC> cut 500 %b
> cut 500 %b
> ==> cut 500 700
> SAC> r
> r
> SAC> p
> p
> ----
>
>
> Do you have any idea?
>
> best regards
> Onur Tan
>
>
>
>
> Citerar sac-help-request at iris.washington.edu:
>
> > Send sac-help mailing list submissions to
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> >
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> > than "Re: Contents of sac-help digest..."
> >
> >
> > Today's Topics:
> >
> > 1. Two SAC queries - (i) conversion of SAC files to
> PITSA-ASCII
> > and (ii) SAC library issues for multi-channel
> cross-correlation
> > (Fiona Darbyshire)
> > 2. About fft routine in SAC (wwxu)
> > 3. Blackboard Variables and CUT (Onur Tan)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Fri, 7 Mar 2008 18:13:09 -0500
> > From: "Fiona Darbyshire" <f.darbyshire at gmail.com>
> > Subject: [SAC-HELP] Two SAC queries - (i) conversion of SAC files to
> > PITSA-ASCII and (ii) SAC library issues for multi-channel
> > cross-correlation
> > To: sac-help at iris.washington.edu
> > Message-ID:
> > <256ff3740803071513m5ef1bc36nbfdb2c6317b6d87c at mail.gmail.com>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Hello,
> >
> > I have 2 SAC-related queries that are causing me problems on a couple
> > of fairly urgent projects currently:
> >
> > i) I inherited a Matlab program for surface wave analysis. The
> > seismogram files that it reads are in PITSA ASCII format. Is there any
>
> > existing software to convert standard SAC to PITSA ASCII? Or will I
> > have to convert SAC binary to alpha, and try to reformat the resulting
> ascii files?
> >
> > ii) Another inheritance: this time I have been given the source code
> > (fortran) for John VanDecar's "mccc" multi-channel cross-correlation
> > program. The program contains a lot of SAC functions, such as "rsach",
>
> > "getnhv", "rsac1", "getkhv", "getfhv", "setfhv", "setkhv", "wsac0"...
> > (and probably a few others I haven't spotted yet). Along with the
> > Fortran codes I was given a couple of SAC libraries of the type
> > "libsac.a". The problem is that this set worked OK for a SUN system,
> > but I am on Linux (CentOS 5). With the SAC library that I was given,
> > and the SAC library I obtained when downloading SAC executables for my
>
> > current system, I was unable to compile the code. I have a really old
> > SAC library (old enough that I can't remember even which version it
> comes from) and that one allowed mccc to compile...
> > but not to run (segmentation fault). Can anyone advise me on using SAC
>
> > libraries correctly and/or making changes to the fortran code that
> > will allow me to run this program?
> >
> > I should add that I'm a rather poor programmer - just about literate
> > in Fortran, okay in simple shell scripts, but not too great with any
> > other programming languages! Any advice greatly appreciated.
> >
> > Thanks a lot,
> >
> > Fiona Darbyshire.
> > -------------- next part -------------- An HTML attachment was
> > scrubbed...
> > URL:
> >
> http://www.iris.washington.edu/pipermail/sac-help/attachments/20080307/0
> f44b481/attachment-0001.html
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Sat, 08 Mar 2008 02:59:07 GMT
> > From: "wwxu" <wwxu at mail.iggcas.ac.cn>
> > Subject: [SAC-HELP] About fft routine in SAC
> > To: sac-help at iris.washington.edu
> > Message-ID: <20080308025907.3888.eqmail at mail.iggcas.ac.cn>
> > Content-Type: text/plain; format=flowed; charset="gb2312"
> >
> > Hi ALL,
> >
> > In SAC, I generate a 5Hz sine wave and do fft transforming as follows:
> > sac> funcgen sine 5 npts 1024 delta 0.01 fft psp am loglin
> > and I find that the maximum absolute amplitude is greater than 4 near
> > frequency 5Hz, but in theory, it should be 0.5 because of amplitude
> > spectrum symmetry of real series, so could you tell me why?
> >
> > B.T.W., I also compute the amplitude spectrum using fft program I
> > wrote and find that the result is not the same with SAC generated, I
> > checked the program carefully and be sure that it's right and conform
> > with the theoretical result.
> >
> > thanks for your attention!
> >
> >
> > Your sincerely,
> > Xu W.
> >
> > ************************************************
> > Dr. WeiWei Xu
> > Institute of Geology and Geophysics
> > Chinese Academy of Sciences
> > P.O.Box 9825
> > Beijing 100029
> > China
> > Tel: 0086-10-62007354(Office)
> > Fax: 0086-10-62010846
> > ************************************************
> >
> >
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Sat, 8 Mar 2008 13:29:51 +0200
> > From: "Onur Tan" <Onur.Tan at mam.gov.tr>
> > Subject: [SAC-HELP] Blackboard Variables and CUT
> > To: <sac-help at iris.washington.edu>
> > Message-ID:
> > <110C3E0C4E9ADB4C882229C2A7A1540A052C2511 at POSTA2K3.mam.gov.tr>
> > Content-Type: text/plain; charset="us-ascii"
> >
> >
> > Hi,
> >
> > When I use a blackboard variable as the first parameter of the cut
> > command in SAC new version (101.0), it gives error.
> >
> > I tried this (echo on):
> > --------------------
> > SAC> setbb a 600
> > setbb a 600
> > SAC> setbb b 700
> > setbb b 700
> > SAC> cut %a %b
> > cut %a %b
> > ==> cut 600
> > SAC> r
> > r
> > WARNING: Start cut greater than stop cut for file 08010_0707_CEV.1
> > ERROR 1301: No data files read in.
> > SAC>
> > -----------------------------
> > the cut command do not understand the second variable.
> >
> >
> > This does also not work:
> > ----
> > SAC> cut %a 700
> > cut %a 700
> > ==> cut 600
> > SAC> r
> > r
> > WARNING: Start cut greater than stop cut for file 08010_0707_CEV.1
> > ERROR 1301: No data files read in.
> > ----
> >
> >
> > But this works
> > ----
> > SAC> cut 500 %b
> > cut 500 %b
> > ==> cut 500 700
> > SAC> r
> > r
> > SAC> p
> > p
> > ----
> >
> >
> > Do you have any idea?
> >
> > best regards
> > Onur Tan
> >
> >
> >
> >
> > ------------------------------
> >
> > _______________________________________________
> > sac-help mailing list
> > sac-help at iris.washington.edu
> > http://www.iris.washington.edu/mailman/listinfo/sac-help
> >
> >
> > End of sac-help Digest, Vol 33, Issue 4
> > ***************************************
> >
>
>
>
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