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::fgkParam1Default = "same";
37 const TString AliITSresponseSDD::fgkParam2Default = "same";
38 const TString AliITSresponseSDD::fgkOptionDefault = "ZS";
39 const Float_t AliITSresponseSDD::fgkDriftSpeedDefault = 7.3;
40 const Float_t AliITSresponseSDD::fgkTimeOffsetDefault = 53.57;
41 const Float_t AliITSresponseSDD::fgkADC2keVDefault = 5.243;
42 const Float_t AliITSresponseSDD::fgkNsigmasDefault = 3.;
43 const Int_t AliITSresponseSDD::fgkNcompsDefault = 121;
45 ClassImp(AliITSresponseSDD)
47 //_________________________________________________________________________
48 AliITSresponseSDD::AliITSresponseSDD():
53 fTimeOffset(fgkTimeOffsetDefault),
54 fADC2keV(fgkADC2keVDefault),
56 fMaxAdc(fgkMaxAdcDefault),
57 fNsigmas(fgkNsigmasDefault),
59 fNcomps(fgkNcompsDefault),
63 // default constructor
65 SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default);
66 // SetNLookUp(fgkNcompsDefault);
70 SetDynamicRange(fgkDynamicRangeDefault);
71 SetChargeLoss(fgkfChargeLossDefault);
72 SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data());
73 SetZeroSupp(fgkOptionDefault);
78 //______________________________________________________________________
79 AliITSresponseSDD::~AliITSresponseSDD() {
81 if(fGaus) delete fGaus;
85 //________________________________________________________________________
86 void AliITSresponseSDD::SetNLookUp(Int_t p1){
87 // Set number of sigmas over which cluster disintegration is performed
89 if (fGaus) delete fGaus;
90 fGaus = new TArrayF(fNcomps+1);
91 for(Int_t i=0; i<=fNcomps; i++) {
92 Float_t x = -fNsigmas + (2.*i*fNsigmas)/(fNcomps-1);
93 (*fGaus)[i] = exp(-((x*x)/2));