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?: what's the info needed
example variables to be filled up might be listed db_BB.dat
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db_BB.dat
? angle of detector
? central momentum
BB.theta = -51.59
BB.pcentral = 1.72
BB.phi = 0
BB.colldist = 1.5
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db_cratemap.dat
? low level cratemap
==== Crate 11 type vme
# slot model clear header mask nchan ndata
5 6401 1 0x28000000 0xf8000000 64 1024
6 6401 1 0x30000000 0xf8000000 64 1024
8 6401 1 0x40000000 0xf8000000 64 1024
9 6401 1 0x48000000 0xf8000000 64 1024
11 6401 1 0x58000000 0xf8000000 64 1024
12 6401 1 0x60000000 0xf8000000 64 1024
17 792 1 0xda00adc0 0xffffffff 32 2048
18 792 1 0xda00adc1 0xffffffff 32 2048
19 792 1 0xda00adc2 0xffffffff 32 2048
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db_BB.tp.dat
? max distance (spacial and time) between 2 hits on E and dE plane
[ BB.tp.hit_acceptance ]
? TDC resorlution
? 3D position of each scintillator bar
? effective speed of light(m/ns) and attenuation in scintillator
? Lower and upper boundary for an acceptable TDC hit relative to ref chan
[ BB.tp.e.calib ]
[ BB.tp.de.calib ]
? ADC gain correction
? ADC pedestals
? TDC time off correction
[ BB.tp.e.left_gain ]
...
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db_BB.opticstest.dat
? optical point (target coordinate system origin) survey
? bigbite magnetic position survey (relative to target)
? Detector position survey (relative to magnetic)
? definition of detector coordinate system origin