Line data    Source code

       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          16 : ClassImp(AliMUONChamber)        
      39             : /// \endcond
      40             : 
      41             : //_______________________________________________________
      42             : AliMUONChamber::AliMUONChamber()
      43         168 :   : TObject(), 
      44         168 :     fId(0),
      45         168 :     fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called
      46         168 :     fResponse(0),
      47         168 :     fMUON(0)
      48         744 : {
      49             : /// Default constructor
      50             : 
      51         840 :   AliDebug(1, Form("default (empty) ctor this = %p", this));
      52         288 : }
      53             : 
      54             : //_______________________________________________________
      55             : AliMUONChamber::AliMUONChamber(Int_t id) 
      56          14 :   : TObject(), 
      57          14 :     fId(id),
      58          14 :     fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called
      59          14 :     fResponse(0),
      60          14 :     fMUON(0)
      61          62 : {
      62             : /// Standard constructor
      63             : 
      64             :     // muon
      65          28 :     fMUON = (AliMUON*)gAlice->GetModule("MUON");
      66          14 :     if (!fMUON) {
      67           0 :       AliFatal("MUON detector not defined.");
      68             :       return;
      69             :     }  
      70             : 
      71          70 :   AliDebug(1, Form("ctor this = %p", this) ); 
      72          24 : }
      73             : 
      74             : //_______________________________________________________
      75             : AliMUONChamber::~AliMUONChamber() 
      76         884 : {
      77             : /// Destructor
      78             : 
      79         910 :   AliDebug(1, Form("dtor this = %p", this));
      80         364 :   delete fResponse;
      81         442 : }
      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           0 :     fCurrentCorrel = TMath::Exp(gRandom->Gaus(0,fResponse->ChargeCorrel()/2));
      92           0 : }
      93             : 
      94             : //_____________________________________________________________________________
      95             : void
      96             : AliMUONChamber::SetResponseModel(const AliMUONResponse& thisResponse)
      97             : {
      98          28 :   delete fResponse;
      99          14 :   fResponse = static_cast<AliMUONResponse*>(thisResponse.Clone());
     100          14 : }
     101             :