[SAC-HELP] sac header

[George Helffrich]

Dear Reza -

	If you use MacSAC, you can use the built-in function GETVAL.  From the 
documentation:


  GETVAL     1,3     (GETVAL 157.32)           Data values at 157.32 s in
                                               each file in memory.
                     (GETVAL FILE N 157.32)    Data value at 157.32 s in 
file N
                                               in memory; N integer > 0.

If you don't have MacSAC, you can use this, if 157.32 represents the 
time that you want the peak amplitude for in the first file in memory:

cutim (157.32 - &1,delta&) (157.32 + &1,delta&)
message "&1,depmax is the peak value"

On 26 Sep 2009, at 07:40, reza rezaei wrote:

> Hi every one,
>
> Sac reads the max peak point during the waveform and save them in
> Depmax or Depmin.
> I want to read Depmax or Depmin in a specific place. For instance in S
> group or around T0.
> Markptp can read in a specific window but it reads peak to peak and I
> want to read only peak in a window range.
> I would be pleased if you help me.
>
> Thank you,
> Reza,
> _______________________________________________
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> sac-help at iris.washington.edu
> http://www.iris.washington.edu/mailman/listinfo/sac-help
>
>
                                     George Helffrich
                                     george at geology.bristol.ac.uk