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 August 2019

Onur Tan
2019-08-08 12:52:21 - 2019-08-17 20:35:35
Dear all, I have just installed Ubuntu 18.4 (64bit) with gfortran-7 or -8. I need to re-compile additional sac programs. In my previous system (ubuntu 16 64bit), I can compile the programs with no error. But now, I have problem with ld. Here is output: > gfortran sac2xy.f sacio.a /usr/bin/ld: sacio.a(rsac1.o): relocation R_X86_64_32 against `.rodata' can not be used when making a PIE object; recompile with -fPIC /usr/bin/ld: sacio.a(rsac2.o): relocation R_X86_64_32 against `.rodata' can n... [more]
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Guust Nolet
2019-08-04 15:39:09
I found the culprit: it was my default fileid command defined during startup. Inserting <fileid off> before plot2 results in a successful plot. Obviously, plot2 reacts differently from plot and plot1 when header variables are undefined in fileid. Guust Nolet On 4 Aug 2019, at 13:53, Guust Nolet <nolet@Princeton.EDU<mailto:nolet@Princeton.EDU>> wrote: I have this mysterious error -1 when I wish to plot two home-made SAC files with command plot2. Originally I worked with binary versions o... [more]
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Igor
2019-08-02 16:30:13 - 2019-08-03 19:45:49
Hello, I have 2 questions about the ppk. Could you please help me to find out the answers? 1) When the ppk is enabled, after every mouse click, the time is printed in the upper left corner. Is there a way to place a marker (a bw or color symbol ) on the seismogram where the mouse click was done? 2) Is there a way to save the ppk picks in a text file (not to see them on the screen only)? Thank you , Igor
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