From:	SMTP%"MURRAY@axdes1.cern.ch" 21-JAN-1997 01:26:04.69
To:	unno@kekvax.kek.jp
CC:	
Subj:	Re: Alignment code

   Hello Nobu,
             Ok, well it isn't TOTALLY trivial.

You first will need to set up a root with car, lib bin db and paw
directories hanging off it, called $TB96ROOT. 

   Now copy 
/afs/cern.ch/user/w/wmurray/public/tb96/pro/bin/stalig.make
/afs/cern.ch/user/w/wmurray/public/tb96/pro/bin/stalig2.run
/afs/cern.ch/user/w/wmurray/public/tb96/pro/lib/*
/afs/cern.ch/user/w/wmurray/public/tb96/pro/car/*
/afs/cern.ch/user/w/wmurray/public/tb96/pro/db/*

remake the library with lib/strpge.csh

compile the alignment job using with

/afs/cern.ch/user/w/wmurray/public/tb96/pro/bin/stalig.make

and then run using
/afs/cern.ch/user/w/wmurray/public/tb96/pro/bin/stalig2.run disk filename
  
You will need an initial alignment file, but hopefully the latest one in db/
will be good enough.

   The output histrograms in paw/al_nnnn.hbook must be looked at (nnnn is the
run number), for the telescope they should be nice and sharp.

       Try to compile, and tell me what happens.
           Bill
 

Date: Tue, 21 Jan 1997 00:46:34 +0900
Message-Id: <97012100463432@kekvax.kek.jp>
From: unno@kekvax.kek.jp (Y. Nobu Unno, unno@kekvax.kek.jp)
To: BILL.MURRAY@cern.ch, KITABAYA@hirax3.hepl.hiroshima-u.ac.jp
Subject: Re: Alignment code

Dear Bill;

  Since we are far away separated in space and time, it is always 
better to be stand alone.  Would you instruct me where the source 
code is and a brief idea on how the alignment is based..

					Nobu

======================
From:	SMTP%"MURRAY@axdes1.cern.ch" 21-JAN-1997 00:21:20.66
To:	unno@kekvax.kek.jp
CC:	
Subj:	Re: Source code

   Hi Nobu,
             When reading the raw data the telescope stuff is called. But 
many people (e.g. me) never use the results, and it is all called AGAIN when
processing the DST. (By that time there should be good alignment, which 
is doubtful the first time).
   The advantage of getting some alignment done before all the DST is made is
that you get some tracks in the ntuple, and can then make lots of nice
Paw plots.

     If you can make a DST and ftp it to CERN I can align it - or I can show
you where my code is.
           Bill 

===========================================================

  To Bill: by the way, where the beam telescope data analysis/beam 
reconstruction program gets involved?  Reading DST and do the 
reconstruction?  Or, reading the raw data?...

					Nobu


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Subject: Re: Alignment code