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 2010

Geo .
2010-12-29 23:24:54
Dear Sac Members, Thank you very much for all your help this past year. Here's wishing everyone a wonderful new year! Januka.
No replies
Alessandro Pino
2010-12-24 00:32:41
I use binary sac 101.2 OSX on my MacBook Pro (10.5.8, Intel core 2 duo) and have no problem with "transfer from evalresp", while the same code gives this error WARNING: evresp_; no files match './[RESPfile]' WARNING: no response found for NET=[net],STA=[station],LOCID=*,CHAN=BHE,DATE=2009,096,1:30:1 No transfer function applied! ERROR 2118: No transfer function applied when I use it on iMac (10.6.5, Intel core i7). I simply transferred the program and data folder and sac seems... [more]
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Tsitsi Madziwa-Nussinov
2010-12-23 23:28:25
(no body)
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 Hello, this is Lee.  I want to build my own SAC read-write program. Like a Guralp guys did.  But I can't find information about detailed SAC file format structure.  I want more detailed structure information. Like SEED manual.  Do you have a SAC file format structure manual? Or something detailed description?  If not, can you tell me how guralp guys did it?(I mean, SCREAM! program..It can export data in SAC format.)  Thank you.  Lee.
Chad Trabant
2010-12-23 17:44:14
Hi Alessandro, You need a later version of sac. In Mac OSX 10.6 some systems calls were changed that were needed for the version of evalresp embedded in your sac. Evalresp has been fixed to work in 10.6 and the fixes are included in later versions of sac. regards, Chad alessandro.pino@ingv.it wrote: >I use binary sac 101.2 OSX on my MacBook Pro (10.5.8, Intel core 2 >duo) and have no problem with "transfer from evalresp", while the same >code gives this error > > >WARNING: evresp_;... [more]
No replies
Tatiana
2010-12-21 06:08:57 - 2010-12-21 16:56:36
Hello! I need help to do traces stacking with SAC. For the start: 1) I have preprocessed (bandpass filtered) waveforms where I added to the header time of the first arrival. 2) I need to clip these files (10 sec before and 10 after the first arrival ) and align them. 3) I need to stack these traces. 1) and 3) - is not a problem. I am not sure how to handle 2). I also would like to plot all these clipped traces on one plot. Thank you.
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I am trying to install the latest version of sac101.4 using Cygwin. I have already installed the software needed for cygwin to work with sac. First i use the ./configure In the second step 'make' problems appear like Making all in utils make[1]: Entering directory `/home/apo/sac-101.4/utils' make[1]: Nothing to be done for `all'. make[1]: Leaving directory `/home/apo/sac-101.4/utils' Making all in src make[1]: Entering directory `/home/apo/sac-101.4/src' gcc -DHAVE_CONFIG_H -I. -I../inc... [more]
No replies
Qasem dahbour
2010-12-17 08:32:23
# This script can be used to test the effects of different environmental # options within SAC. Copy it to the directory from which you want to # launch SAC and edit it to set the various options. If the name of your # copy is mysacinit.csh, the settings will be set for the current session # by entering # # . ./mysacinit.csh # # and then run SAC. Once one is satisfied, one should put the # settings directly in your start-up script. # # Initialize the SAC Environment (only SACHOME may ... [more]
No replies
Carmen
2010-12-16 21:13:37
Hi I've just installed sac-101.4-linux_x86_64 version and when I do: source .bashrc it appears the message: not found the order "setenv" and sac can't work. Could somebody help me? Thanks -- Carmen Pro Muñoz Dpto. de Fí­sica. Universidad de Extremadura Centro Universitario de Mérida c/ Sta. Teresa de Jornet, nº 38 06800 Mérida (Badajoz) Tfo: 34 924 387068; ext: 82544
No replies
arie campeace
2010-12-15 21:10:03
hi, my name is Arief.. i have a problem with .tar file, i can't find the file in //sac/lib directories. so i dont have sacio.a and sac.a file. thank you..
No replies
Qasem dahbour
2010-12-15 20:07:24
Dear Brian Savage This is Jordan Seismological Observatory (JSO) eng. Qasem in IT department ,Mr.Tim give us your email I need your help regard installation and configuration of SAC , please find below all information which you can help us with : OS: Virtual Box Image - CentOS-4.7-KDE-Desktop ,and we tried also in actual CentOS-4.7 KDE Desktop OS (we have Two laptops Installation) SAC package : SAC Linux 64 Bit ( Which you have sent for us) My steps : Your Step De... [more]
No replies
santanu
2010-12-13 18:30:46 - 2010-12-13 21:39:27
Dear Sac Users, Can any one you tell me how I can change my sample rate in SAC? My original sample rate is 100 sps and I want to bring it to 50sps. Please suggest. With Regards Santanu Baruah Santanu Baruah Geoscience Division North East Institute of Science and Technology (Formerly RRL) Jorhat-785006,Assam,India. Mobile: +91 9435514805(M)
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Alaa
2010-12-07 21:14:17
Dear Sir,   I need Installation manul + SAC linux suse enterprise server 64Bit I have regested from Iris website   www.iris.edu/software/sac/ best regard Alaa
No replies
Carlos Corela
2010-12-07 00:47:55
Good Afternoon, I have two header variables in my SAC files USER0 and USER3 and I need to make another one with the result of USER0 divided with USER3. Is it this possible in SAC? Regards, Carlos Corela ************************************************* Carlos Jorge Caetano Corela Reitoria da Universidade de Lisboa Instituto Geofisico do Infante D. Luiz (IGIDL) Rua da Escola Politecnica, 58 1250-102 Lisboa Portugal Tel: +351 21 392 1894 Tlm: +351 96 462 0457 Fax: +351 21 390 8187 e-mail: ... [more]
No replies
Tobias Megies
2010-12-05 20:24:52
I created an alphanumeric SAC file with the SAC software (v.101.4) (using the commands FUNCGEN and WRITE ALPHA) and was wondering about the first string header line (fields KSTNM & KEVNM, 8+16 chars) which seems to be one character longer (25) than stated by the manual, see attached screenshot "sac_alpha.png". I then manually filled this line with a test value of "012345670123456789ABCDEFG" and read it in with the SAC software again. It states the KEVNM header as "012345679ABCDEFG", see atta... [more]
No replies
Brian Bagley
DHI
2010-12-01 17:46:39 - 2010-12-01 18:59:52
I am trying to use SAC DHI. When I use the command "load read_dhi" I get the following error: Load Error: dlopen(/Path_to_SAC/sac2dhi/libdhi.so, 1): no suitable image found. Did find: /Path_to_SAC/sac2dhi/libdhi.so: mach-o, but wrong architecture ERROR 1028: External command does not exist: I am using SAC Version 101.2 and Mac OS X 10.6.3 Any suggestions would be appreciated. Brian
Replies
  • Re: DHI - Philip Crotwell - 2010-12-01 18:59:52
    • Re: DHI - Rob Casey - 2010-12-01 15:51:17
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