How to Tune Up TpcRS
----------------------
1. The tuneup Goal is to reduce systematic errors in Tpc efficiency calculation due to digitization to level below 1%.
2. How to run TpcRS

   a. Create a directory 
      mkdir -p ~/work/TpcRS
(my example in this directory)
   b. I am working in .DEV2 (where I have the latest version of ROOT and gcc450).
      starver .DEV2
      source $STAR/setupDev2.csh

   c. But I propose you to use dev
       starver dev
      and 
       cvs co StRoot/StTpcRSMaker 
       cvs co -dStRoot/StTpcMcAnalysisMaker offline/users/fisyak/StRoot/StTpcMcAnalysisMaker
       cons 
   d. Check out TpcRS parameters
       cvs co StarDb/Calibrations/tpc/TpcResponseSimulator.C  \
              StarDb/Calibrations/tpc/TpcResponseSimulator.y2009.C \
              StarDb/Calibrations/tpc/TpcResponseSimulator.y2010.C
       Tune up for y2009 means modification of TpcResponseSimulator.y2009.C
   e. You need to copy 
	cp ~fisyak/.rootrc .			
	cp ~fisyak/public/macros/TpcRS.C .
	cp ~fisyak/public/macros/TpcT.* .
	cp ~fisyak/bin/TpcT.csh .
   f. TpcRS.C is macro to run a chain. Examples of xml-files to submit SUMS jobs can be found in ~/work/TpcRS/*.xml.
  I usually run in sub directory
        mkdir y2009_A
        cd y2009_A
        ln -s ../.sl53* .
        ln -s ../StarDb .
        star-submit ../y2009.xml
3. Analysis.
   a. You have to be sure that dE/dx distribution from MC (simulation) corresponds to RC (reconstruction)
       ~fisyak/hadd.pl files='*0.root'
       star-submit hadd.xml
       hadd y2009_A.root All*.root 
       ~fisyak/fit.pl y2009_A.root
       star-submit fit.xml
       The reference set of histograms is ~fisyak/Histograms/RunIX66DEV_calib.root
       The first of all you have to compare 
             SecRow3CGFRunIX66DEV_calib.root and SecRow3CGFy2009_A.root
       These files contain fit of dE/dx  for MIP (0.4 < p < 0.5 GeV/c) of pion position and its sigma
       versus sector and pad row.
         MC should follow RC
   b. Shapes
      To get shapes you need to run (all macros from ~/fisyak/macros) 
      root.exe -q -b TpcT.C+
      To fit this shapes 
      root.exe -q *H.root FitTpcT.C; 
      To get pad coordinate correction	
      root.exe -q -b PadsTpcT.C; 
      To get Adc Correction
      root.exe -q -b  AdcTpcT.C
   c. To make shape plots (see http://www.usatlas.bnl.gov/~fisyak/star/Tpc/TpcRS/
       of ~/fisyak/WWW/star/Tpc/TpcRS)
      In your afs browsable area
            mkdir -p y2009_A/Shapes
            cd y2009_A/Shapes
            ln -s ~fisyak/WWW/star/Tpc/TpcRS/CompH_index.html index.html
            ln -s ~fisyak/work/TpcRS/daq_2009_pp200N .
            ln -s "location of your directory" .
	    ln -s ~fisyak/macros/DrawList.C .
	    ln -s ~fisyak/macros/drawFAll.C
            root.exe */Fit.root
               > .L DrawList.C+
               > .x drawFAll.C