Titles: TFTE ============= Contact: S. Brice, Oxford. Titles Files ------------ fitter.dat Verification ------------ Description ----------- This bank contains input data for the elastic fitter. Data Words ---------- Fixed length Database Header. See titles_dbhdr.html KFTE_ 1 I MIN_PMT Minimum number of PMTs to fit. 2 I TX_TYP Type of fitter to use for initial vertex position: 0 = true 1 = quad fitted 2 = time fitted 3 = origin (0,0,0) 4 = grid fitted 3 I DIR_TYP Type of fitter to use for initial vertex direction: 0 = true 1 = time fitted 2 = calculate mean direction POSITION FIT PARAMETERS 4 F INI_P_TMP Starting temperature for position energy minimisation by simulated annealing. 5 F FIN_P_TMP Finishing temperature for position energy minimisation. 6 F GRD_P_TMP Multiplicative factor by which position temperature is reduced on each iteration. 7 F P_LMD Squared distance beyond which a hit is considered as noise 8 F P_DLT Attempted correction for fitter pull 9 F ETA_POS The position update parameter for gradient descent. 10 F ETA_TIM The time update parameter for gradient descent. 11 F GRD_P_ETA Multiplicative factor by which the position and time update parameters are reduced on each iteration. DIRECTION FIT PARAMETERS 12 F INI_D_TMP Starting temperature for direction energy minimisation by simulated annealing. 13 F FIN_D_TMP Finishing temperature for direction energy minimisation. 14 F GRD_D_TMP Multiplicative factor by which direction temperature is reduced on each iteration. 15 F D_LMD Squared distance beyond which a hit is considered as noise 16 F ETA_THE The polar angle update parameter for gradient descent 17 F ETA_PHI The azimuthal angle update parameter for gradient descent 18 F GRD_D_ETA Multiplicative factor by which the angle update parameters are reduced on each iteration. 19 I MAX_ITER Maximum number of iterations allowed 20 F TOL Fractional tolerance on the position and direction minimisations