StFtpcDriftMapMaker replaces St_fmg_Maker. It is a standalone program.
The heart of the code are the algorithms of both magboltz1 and 2. In the standard version, magboltz 1 is used because of the much shorter calculation time.
The baseTemperature, basePressure and pressureOffset parameters come from the Calibrations_ftpc/ftpcGas table in the STAR MySQL offline database.
StFtpcDriftMapMaker is written in C++ by Holm Hümmler and is maintained by Janet Seyboth. To do the gas calculations (actually the bulk of the work), it uses the C++ Magboltz program package, which calculates the drift properties at different points in the FTPC volume.
Magboltz was written by
DR.S.F.BIAGI |
PHYSICS DEPARTMENT |
UNIVERSITY OF LIVERPOOL |
LIVERPOOL |
U.K. |
To run StFtpcDriftMapMaker:
mkdir Work cd Work ln -s StRoot/StFtpcDriftMapMaker/macros/FtpcDriftMapMaker.C FtpcDriftMapMaker.C root4star -b -q FtpcDriftMapMaker.C(map,factor,deltaAr)
where:
map | select magnetic field values | Default: = 2 |
= 1 | use constant field values | |
= 2 | use mapped field values | |
factor | field scaling factor | Default: = 1.0 (full field positive) |
> 0.8 | full field positive | |
< 0.8 && > 0.2 | half field positive | |
< 0.2 && > -0.2 | zero field | |
> -0.8 | half field negative | |
< -0.8 | full field negative | |
deltaAr | the change (+/-) in the percentage of Ar from 50% | Default: = 0.0 |
This page was created by Janet Seyboth on January 20, 2001
This page was last updated by Janet Seyboth on Nov 10, 2009