[G8b_run] polarization table question

[Brian Vernarsky]

Hi all,

Some of you know by now that I have finally worked past my issues with
the Monte Carlo generation, which means that I am finally able to move
forward with the analysis of the data.  So I have tried to start using
the polarization tables to get the polarization for each event.  I
have downloaded them from:

http://nuclear.gla.ac.uk/~kl/g8b/newpoltables/g8poltablesv2.tgz

and have modified the code given at:

http://nuclear.gla.ac.uk/~kl/g8b/polTableCode.C

so that I can use it in a c++ environment.  All that has gone well,
but I have two issues.  The first is that the tables that I extracted
from that .tgz file did not include the autoflip information for the
1.3 or 1.5 settings, all the others were there.  Also I'm a bit
confused by the titles of the files in the autoflip directories, as
they still have PARA and PERP in their titles despite the fact that
the plane settings in the edge files for those runs flip from 0 to 1
and so on in any given run.  Are the two states just separated out
into these separate files?  If so then that's fine, otherwise could
you tell me what the names refer to in this situation.

The second issue is that the Tagger Paddle ID used in the polarization
tables only runs from 1-385, whereas the convention that I have for
the tagger paddles is from 1-767.  I realized that the 767 number
takes into account the overlap between adjacent paddles and that 385
is roughly half of 767, I just want to make sure I have the convention
for converting between the two numbers correct.  Is it safe to just do
my eid divided by 2, such that 1 and 2 in my convention would both go
to 1 in the other convention, and say 700 and 701 would map to 350 and
351 respectively?

Thanks for the help,

Brian