Dear Giulia,

Yes, you can merge your SU files as indicated. The traces of the resulting file can be renumbered with header parameter 'tracl' (or 'tracr') via:

sushw  <  key=tracl  a=1  b=1  >

You can check that operation with:


which displays the header values of the last trace of your file (type 1 to see the header values of trace 1).

You can then proceed with the SU to SEG-Y conversion if that is your goal.

Best wishes,


Université Grenoble Alpes
CS 40700, 38058 Grenoble cedex 9, France

Le 16/06/2022 à 23:39, a écrit :

Dear Sirs,

I have some scanned seismic image I am converting in segy data format.

Having all sections the same number of time sample and the same sample interval, but of course different trace number, I need to have only one segy.


May I apply a command like: cat >


If it is possible, then I need to renumber the trace number and I think to use sushw module but I do not find which is the key word to renumber the trace number.


Thanks to All.



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