[Clas_offline] reading 6GeV magnetic field map file

[Johann Goetz]

Hi all,
I'm trying to read the magnetic field map

    bgrid_T67to33.fpk

which I believe is the more-or-less standard file. It *looks* like BOS but
is more likely raw fpack (is there a difference?). Does anyone have a file
without all the fpack header business, or does anyone know at what offset I
should start reading the actual numbers?

Just looking at the hex-dump of this file I see the format is 3I,6F,3I and
I would be able to read that just fine but I still need to know *where* to
start reading.

Thanks in advance!
--
Johann.
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