Extracting central beam from ASCII XYZ bathymetry

Juan Diaz-Naveas <[email protected]>
Newsgroups gmane.comp.gis.gmt.user
Message-ID <CABeNKB=9uGKzUfNY8LR_DyMX7otqTfThXnbXHhOztaL137Lu_A@mail.gmail.com> 
Dear all,

I have a data set with several multibeam lines, but they are stored as XYZ
ASCII data.

I need to find the approximate central beam for each stripe covered by each
multibeam bathymetry line.

Does anyone have an idea on how to accomplish this?

I was thinking in using project and/or blockmean GMT commands, but actually
I cannot figure out how or if there is any sense in trying this way.

Thank you for any help in advance

Juan DIaz-Naveas

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