A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.
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Active Message Threads for July 2010

2010-07-22 17:15:52
Dear All,
I recently installed SAC101.4 on my system (Linux).
Since then, I have been having problems running some of my macros. I tried
to find some documentation in the new-look SAC manual and in the CHANGES
listings on the website, but didn't see anything pertinent to the problem.
Here's the issue: I have a SAC macro from which I call a program (a
fortran-based executable) that requires user input. Up to now it's been
automated as follows in the macros:
...
$run myprogram
input1
input2
etc…
[more]
No replies
Dear users/managers of SAC,
I compiled the source of version 101.4 enabling the matlab interface.
but after reading a SAC file, and using the command "mat", I have the
following error :
SAC> r 2003.268.19.54.42.1751.G.ECH.00.BHZ.D.SAC
SAC> mat
Starting Matlab computational engine...
Allocating and filling Matlab workspace arrays...
Copying to Matlab workspace ...
ERROR: Could not create struct array in matCreateTimesStruct.
Do you have an idea about this problem?
Thank you very much in adv…
[more]
No replies
Hi all,
I received the binary version of sac this morning as listed in the subject.
I use bash as my main shell on my mac and when sourcing the sacinit.sh
script I found a syntax error repeated for all similar usages:
export SAC_DISPLAY_COPYRIGHT 1
instead of
export SAC_DISPLAY_COPYRIGHT=1
Also, a collaborator of mine installed with sacinit.csh using the sac source
code and found the sacinit.csh sets:
setenv SACHOME /usr/local/jas/sac
instead of
setenv SACHOME /usr/local/sac
Similar problems…
[more]
No replies
Hello,
I am trying to install the 32 bit sac version in a 32 bit ubuntu 10.04, but working in a 64 bit computer, until this time I am unsuccesful.
The reason for doing that is, I have previously intalled PASSCAL and antelope software in this same 32 bit Ubuntu system and they work well; but they did not work using the 64 bit Ubuntu system. (I repeat: I have a laptop 64 bit working with 32 bit Ubuntu 10.04)
Now I am stucked with SAC (32 bit) because it does not work in this 32 bit ubunt…
[more]
No replies

2010-05-26 16:13:10
- 2010-07-09 23:01:13
Thanks Milton for quick reply.
Since in our later data processing the phase plays an important role, I am
wondering if the interp or decimate will keep the phase in low freqency, for
example lower than 0.4Hz. It seems that the decimate cmd performs an
anti-alias filter, but document on interp does not show that. By comparing
the origin data and interped and decimated ones in a short time gap, say two
seconds, we may find all the decimated data points can be found in the
origin data but interp…
[more]
Replies
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Re: a problem while downsampling sac data with decimate - Arthur Snoke - 2010-05-27 21:23:16
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Re: a problem while downsampling sac data with decimate - Arthur Snoke - 2010-07-09 23:01:13
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