1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //////////////////////////////////////////////////////
19 // Base response class forITS //
20 // It is used to set static data members //
21 // connected to parameters equal for all //
25 //////////////////////////////////////////////////////
29 #include "AliITSresponseSDD.h"
31 const Int_t AliITSresponseSDD::fgkMaxAdcDefault = 1024;
32 const Float_t AliITSresponseSDD::fgkDynamicRangeDefault = 132.;
33 const Float_t AliITSresponseSDD::fgkfChargeLossDefault = 0;
34 const Float_t AliITSresponseSDD::fgkDiffCoeffDefault = 3.23;
35 const Float_t AliITSresponseSDD::fgkDiffCoeff1Default = 30.;
36 const TString AliITSresponseSDD::fgkOptionDefault = "ZS";
37 const Float_t AliITSresponseSDD::fgkDriftSpeedDefault = 7.3;
38 const Float_t AliITSresponseSDD::fgkTimeOffsetDefault = 54.30;
39 const Float_t AliITSresponseSDD::fgkADC2keVDefault = 5.243;
40 const Float_t AliITSresponseSDD::fgkNsigmasDefault = 3.;
41 const Int_t AliITSresponseSDD::fgkNcompsDefault = 121;
43 ClassImp(AliITSresponseSDD)
45 //_________________________________________________________________________
46 AliITSresponseSDD::AliITSresponseSDD():
51 fTimeOffset(fgkTimeOffsetDefault),
52 fADC2keV(fgkADC2keVDefault),
54 fMaxAdc(fgkMaxAdcDefault),
55 fNsigmas(fgkNsigmasDefault),
57 fNcomps(fgkNcompsDefault),
59 // default constructor
61 SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
62 // SetNLookUp(fgkNcompsDefault);
66 SetDynamicRange(fgkDynamicRangeDefault);
67 SetChargeLoss(fgkfChargeLossDefault);
68 SetZeroSupp(fgkOptionDefault);
72 //______________________________________________________________________
73 AliITSresponseSDD::~AliITSresponseSDD() {
75 if(fGaus) delete fGaus;
79 //________________________________________________________________________
80 void AliITSresponseSDD::SetNLookUp(Int_t p1){
81 // Set number of sigmas over which cluster disintegration is performed
83 if (fGaus) delete fGaus;
84 fGaus = new TArrayF(fNcomps+1);
85 for(Int_t i=0; i<=fNcomps; i++) {
86 Float_t x = -fNsigmas + (2.*i*fNsigmas)/(fNcomps-1);
87 (*fGaus)[i] = exp(-((x*x)/2));