SAC Help

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 December 2012

Celine Davy
2012-12-31 20:14:19
(no body)
Replies
Fabio Dias
2012-12-29 20:19:19
Hi, I'm trying to compilate Sac 101.5c in Ubuntu 12.10 with Matlab 2012A using this command line: ./configure --enable-png --prefix=/home/fdias/Programs/sac-101.5/ --with-matlab=/home/fdias/MATLAB/R2012a. And I get this: *checking /home/fdias/MATLAB/R2012a/extern/include/matrix.h usability... yes * *checking /home/fdias/MATLAB/R2012a/extern/include/matrix.h presence... no* *configure: WARNING: /home/fdias/MATLAB/R2012a/extern/include/matrix.h: accepted by the compiler, rejected by the p... [more]
No replies
Aderson Nascimento
2012-12-28 22:11:54
Hi Milton, sorry I was not clear in my last email. I want to change the y axis to log scale... ymin and ymax will indeed change the linear scale of the amplitudes. Apologies for the confusion. Aderson -- Aderson Farias do Nascimento Universidade Federal do Rio Grande do Norte Department of Geophysics UFRN - Campus Universitário, 3000- Lagoa Nova Cep 59072-970 - Natal RN - Brasil http://lattes.cnpq.br/8600906973888297 2012/12/28 Milton Plasencia <mpplasencia@gmail.com> > Hi Aderson, > > ... [more]
No replies
Aderson Nascimento
2012-12-28 21:47:17
Dear SACers, does anybody know how to change the y axis (frequency) scale of the spectrogram plot? Best regards to all, Aderson Aderson Farias do Nascimento Universidade Federal do Rio Grande do Norte Department of Geophysics http://lattes.cnpq.br/8600906973888297
No replies
Sunil .
2012-12-28 01:29:03
Dear SAC user, I am trying to set the theoretical travel time in sac head. But I am get error message as: ----------------------------------------------------------------------------------------------------------------------------------------------------------------- taup_setsac -mod iasp91 -ph Pdiff-1,P-1 2012.239b.20.57.58.ADK.sac.z Exception in thread "main" java.io.IOException: 2012.239b.20.57.58.ADK.sac.z does not appear to be a sac file! npts(12000) * 4 + header(632) !=&nbsp; file leng... [more]
No replies
Abhash Kumar
2012-12-24 22:31:54 - 2012-12-25 18:49:55
Hi, I am using transfer function in sac to remove the instrument response. I have checked my pole-zero file and there is no special character in any of the line. I also switched the line (either first line or last line) to specify the value of constant and using 'to none' option as well but the error persist. I have done it as shown below: SAC> r 2012.011.18.57.FM09.BHZ SAC> rmean SAC> rtr SAC> taper SAC> transfer from polezero s FM09_ZVBB.zp to none ERROR 1: Next time I used the f... [more]
Replies
Abhash Kumar
2012-12-24 03:04:49 - 2012-12-24 20:57:06
Hi, I am trying to remove the instrument response from the data using transfer function as shown below: SAC> r 2010.332.14.48.FS12.BHZ SAC> rmean SAC> transfer from polezero s FS12_ZVBB.zp ERROR 1: My pole-zero file for station FS12 is CONSTANT 3.605e+17 ZEROS 2 0.00E+00 0.00E+00 0.00E+00 0.00E+00 POLES 5 -3.701E-02 3.701E-02 -3.701E-02 -3.701E-02 -1.131E+03 0.000E+00 -1.005E+03 0.000E+00 -5.027E+02 0.000E+00 I am unable to understand why this error is appearing. Though I am follo... [more]
Replies
Abhash Kumar
2012-12-24 03:34:34
> > Hi, > I am trying to remove the instrument response from the data using > transfer function as shown below: > > > SAC> r 2010.332.14.48.FS12.BHZ > > SAC> rmean > > SAC> transfer from polezero s FS12_ZVBB.zp > > ERROR 1: > > My pole-zero file for station FS12 is > CONSTANT 3.605e+17 > ZEROS 2 > 0.00E+00 0.00E+00 > 0.00E+00 0.00E+00 > POLES 5 > -3.701E-02 3.701E-02 > -3.701E-02 -3.701E-02 > -1.131E+03 0.000E+00 > -1.005E+03 0.000E+00 > -5.027E+02 0.000E+00 ... [more]
No replies
marco.olivieri@bo.ingv.it
2012-12-14 16:56:42
Dear All, SSS provides a useful tool for stacking a set of records. For my purposes the error associate to the resulting stack counts. How can I evaluate the rms or variance associated to each sample of the resulting time-series? Computation is rather simple. Did anybody ever thought to include it in SSS in order to have the possibility to plot, and save, the stack plus the stack +/- sigma? thanks Marco
Replies
Rajiv
2012-12-01 00:59:47 - 2012-12-03 05:15:03
Hi All, I want to remove the instrument response of a file and replace it with another instrument response but I only have the poles and zeros of the replacement instrument. Therefore I couldn't use the sac transfer function, which requires a sac built in instrument. Can someone please help me to implement this Thank you Nishath Rajiv Ranasinghe
Replies
Rakotoarisaona Hasiniaina
2012-12-02 06:16:42
http://wildcherrywalhalla.com.au/wp-content/themes/esplanade/google.html
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