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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | ////////////////////////////////////////////////////// | |
19 | // Base response class forITS // | |
20 | // It is used to set static data members // | |
21 | // connected to parameters equal for all // | |
22 | // the modules // | |
23 | // // | |
24 | // // | |
25 | ////////////////////////////////////////////////////// | |
26 | ||
27 | #include <TMath.h> | |
28 | ||
29 | #include "AliITSresponseSDD.h" | |
30 | ||
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 = "1D"; | |
39 | const Float_t AliITSresponseSDD::fgkDriftSpeedDefault = 7.3; | |
40 | const Float_t AliITSresponseSDD::fgkNsigmasDefault = 3.; | |
41 | const Int_t AliITSresponseSDD::fgkNcompsDefault = 121; | |
42 | ||
43 | ClassImp(AliITSresponseSDD) | |
44 | ||
45 | //_________________________________________________________________________ | |
46 | AliITSresponseSDD::AliITSresponseSDD(): | |
47 | AliITSresponse(), | |
48 | fJitterError(0.), | |
49 | fDynamicRange(0.), | |
50 | fChargeLoss(0.), | |
51 | fDriftSpeed(fgkDriftSpeedDefault), | |
52 | fElectronics(0), | |
53 | fMaxAdc(fgkMaxAdcDefault), | |
54 | fNsigmas(fgkNsigmasDefault), | |
55 | fGaus(), | |
56 | fNcomps(0), | |
57 | fBitComp(kFALSE), | |
58 | fOption(), | |
59 | fParam1(), | |
60 | fParam2() { | |
61 | // default constructor | |
62 | fGaus = 0; | |
63 | SetDiffCoeff(fgkDiffCoeffDefault,fgkDiffCoeff1Default); | |
64 | // SetNLookUp(fgkNcompsDefault); | |
65 | ||
66 | SetJitterError(); | |
67 | SetElectronics(); | |
68 | SetDynamicRange(fgkDynamicRangeDefault); | |
69 | SetChargeLoss(fgkfChargeLossDefault); | |
70 | SetParamOptions(fgkParam1Default.Data(),fgkParam2Default.Data()); | |
71 | SetZeroSupp(fgkOptionDefault); | |
72 | SetDo10to8(); | |
73 | SetOutputOption(); | |
74 | } | |
75 | ||
76 | ||
77 | //______________________________________________________________________ | |
78 | AliITSresponseSDD::~AliITSresponseSDD() { | |
79 | ||
80 | if(fGaus) delete fGaus; | |
81 | } | |
82 | ||
83 | ||
84 | //______________________________________________________________________ | |
85 | Int_t AliITSresponseSDD::Convert8to10(Int_t signal) const { | |
86 | // Undo the lossive 10 to 8 bit compression. | |
87 | // code from Davide C. and Albert W. | |
88 | ||
89 | if(Do10to8()){ // kTRUE if the compression is active | |
90 | if (signal < 0 || signal > 255) { | |
91 | Warning("Convert8to10","out of range signal=%d",signal); | |
92 | return 0; | |
93 | } // end if signal <0 || signal >255 | |
94 | ||
95 | if (signal < 128) return signal; | |
96 | if (signal < 192) { | |
97 | if (TMath::Odd(signal)) return (128+((signal-128)<<1)); | |
98 | else return (128+((signal-128)<<1)+1); | |
99 | } // end if signal < 192 | |
100 | if (signal < 224) { | |
101 | if (TMath::Odd(signal)) return (256+((signal-192)<<3)+3); | |
102 | else return (256+((signal-192)<<3)+4); | |
103 | } // end if signal < 224 | |
104 | if (TMath::Odd(signal)) return (512+((signal-224)<<4)+7); | |
105 | return (512+((signal-224)<<4)+8); | |
106 | } | |
107 | else { | |
108 | return signal; | |
109 | } | |
110 | } | |
111 | ||
112 | //________________________________________________________________________ | |
113 | void AliITSresponseSDD::SetNLookUp(Int_t p1){ | |
114 | // Set number of sigmas over which cluster disintegration is performed | |
115 | fNcomps=p1; | |
116 | if (fGaus) delete fGaus; | |
117 | fGaus = new TArrayF(fNcomps+1); | |
118 | for(Int_t i=0; i<=fNcomps; i++) { | |
119 | Float_t x = -fNsigmas + (2.*i*fNsigmas)/(fNcomps-1); | |
120 | (*fGaus)[i] = exp(-((x*x)/2)); | |
121 | } | |
122 | } |