sPHENIX discussion of software

[pinkenburg <pinkenburg AT bnl.gov>]

Hi folks,

I found a way that the new and old macros can coexist until we switch 
over. If you do a git pull in the macro area you will find a new 
directory tree detectors/sPHENIX (fsPHENIX, EICDetector). These contain 
only the steering macros (the Fun4All_G4_XXX.C and G4Setup_XXX.C which 
define the actual detector). The subsystem G4_XXX.C macros are in 
./common and are installed centrally by our build under 
$OFFLINE_MAIN/rootmacros which is now appended to the ROOT_INCLUDE_PATH. 
They'll be found by root just like the other include files. This setup 
does not interfere with the old macros which are fully functional and 
allows you to compare the handling.
If you want to modify a subsystem macro, you can just copy it locally. 
Root will pick your modified copy (the way root does the include finding 
is a bit hokey, if you find a case where that doesn't work let me know).

I haven't copied the pythia/sartre (and other)  configuration files. I 
would like to avoid their proliferation and will find a central place 
for those as well.

Please give this a try - I would like to finalize this soon. If you look 
at the Fun4All macros, you'll find that the old do_XXX was replaced by 
Enable:: with very similar look and feel (one difference being that if 
they are commented out they just default to false). There are a bunch of 
consistency checks added behind the scenes which should make it more 
difficult to run with wrong settings.

Chris

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Christopher H. Pinkenburg       ;    pinkenburg AT bnl.gov
                                ;    http://www.phenix.bnl.gov/~pinkenbu

Brookhaven National Laboratory  ;    phone: (631) 344-5692
Physics Department Bldg 510 C   ;    fax:   (631) 344-3253
Upton, NY 11973-5000

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