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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 | // Class AliMUONChamber | |
20 | // ----------------------- | |
21 | // MUON tracking chamber class | |
22 | // now only providing DisIntegration function | |
23 | //----------------------------------------------------------------------------- | |
24 | ||
25 | // --- ROOT includes --- | |
26 | #include <TRandom.h> | |
27 | #include <TMath.h> | |
28 | #include "AliRun.h" | |
29 | ||
30 | ||
31 | // --- MUON includes --- | |
32 | #include "AliMUON.h" | |
33 | #include "AliMUONChamber.h" | |
34 | #include "AliMUONHit.h" | |
35 | #include "AliLog.h" | |
36 | ||
37 | /// \cond CLASSIMP | |
38 | ClassImp(AliMUONChamber) | |
39 | /// \endcond | |
40 | ||
41 | //_______________________________________________________ | |
42 | AliMUONChamber::AliMUONChamber() | |
43 | : TObject(), | |
44 | fId(0), | |
45 | fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called | |
46 | fResponse(0), | |
47 | fMUON(0) | |
48 | { | |
49 | /// Default constructor | |
50 | ||
51 | AliDebug(1, Form("default (empty) ctor this = %p", this)); | |
52 | } | |
53 | ||
54 | //_______________________________________________________ | |
55 | AliMUONChamber::AliMUONChamber(Int_t id) | |
56 | : TObject(), | |
57 | fId(id), | |
58 | fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called | |
59 | fResponse(0), | |
60 | fMUON(0) | |
61 | { | |
62 | /// Standard constructor | |
63 | ||
64 | // muon | |
65 | fMUON = (AliMUON*)gAlice->GetModule("MUON"); | |
66 | if (!fMUON) { | |
67 | AliFatal("MUON detector not defined."); | |
68 | return; | |
69 | } | |
70 | ||
71 | AliDebug(1, Form("ctor this = %p", this) ); | |
72 | } | |
73 | ||
74 | //_______________________________________________________ | |
75 | AliMUONChamber::~AliMUONChamber() | |
76 | { | |
77 | /// Destructor | |
78 | ||
79 | AliDebug(1, Form("dtor this = %p", this)); | |
80 | delete fResponse; | |
81 | } | |
82 | ||
83 | //_____________________________________________________ | |
84 | void AliMUONChamber::ChargeCorrelationInit() | |
85 | { | |
86 | /// Initialisation of charge correlation for current hit | |
87 | /// the value is stored, and then used by Disintegration | |
88 | ||
89 | // exponential is here to avoid eventual problems in 0 | |
90 | // factor 2 because chargecorrel is q1/q2 and not q1/qtrue | |
91 | fCurrentCorrel = TMath::Exp(gRandom->Gaus(0,fResponse->ChargeCorrel()/2)); | |
92 | } | |
93 | ||
94 | //_____________________________________________________________________________ | |
95 | void | |
96 | AliMUONChamber::SetResponseModel(const AliMUONResponse& thisResponse) | |
97 | { | |
98 | delete fResponse; | |
99 | fResponse = static_cast<AliMUONResponse*>(thisResponse.Clone()); | |
100 | } | |
101 |