1 /**************************************************************************
2 * This file is property of and copyright by the ALICE HLT Project *
3 * All rights reserved. *
5 * Primary Authors: Oystein Djuvsland *
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 **************************************************************************/
17 * @file AliHLTPHOSPhysicsAnalyzer.cxx
18 * @author Oystein Djuvsland
20 * @brief Physics analysis base class */
22 // see header file for class documentation
24 // refer to README to build package
26 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
28 #include "AliHLTPHOSPhysicsAnalyzer.h"
33 #include "AliPHOSGeometry.h"
35 #include "AliHLTPHOSCommonDefs.h"
36 #include "AliHLTPHOSRecPointDataStruct.h"
39 ClassImp(AliHLTPHOSPhysicsAnalyzer);
41 AliHLTPHOSPhysicsAnalyzer::AliHLTPHOSPhysicsAnalyzer():
47 //See header file for documentation
48 AliPHOSGeometry *geom=AliPHOSGeometry::GetInstance("noCPV");
50 // fPHOSRadius = geom->GetIPtoCrystalSurface();
51 fPHOSRadius = geom->GetIPtoCrystalSurface();
53 for(int i = 0; i < N_MODULES; i++)
55 fRotParametersCos[i] = cos((geom->GetPHOSAngle(i+1))*2*TMath::Pi()/360);
56 fRotParametersSin[i] = sin((geom->GetPHOSAngle(i+1))*2*TMath::Pi()/360);
60 AliHLTPHOSPhysicsAnalyzer::AliHLTPHOSPhysicsAnalyzer(const AliHLTPHOSPhysicsAnalyzer &):fClustersPtr(0), fRootHistPtr(0), fPHOSRadius(0)
64 //See header file for documentation
65 AliPHOSGeometry *geom=AliPHOSGeometry::GetInstance("noCPV");
67 fPHOSRadius = geom->GetIPtoCrystalSurface();
69 for(UInt_t i = 0; i < N_MODULES; i++)
71 fRotParametersCos[i] = cos((geom->GetPHOSAngle(i+1))*2*TMath::Pi()/360);
73 fRotParametersSin[i] = sin((geom->GetPHOSAngle(i+1))*2*TMath::Pi()/360);
79 AliHLTPHOSPhysicsAnalyzer::~AliHLTPHOSPhysicsAnalyzer()
82 //See header file for documentation
88 AliHLTPHOSPhysicsAnalyzer::LocalPosition(AliHLTPHOSRecPointDataStruct* /*recPointPtr*/, Float_t* /*locPositionPtr*/)
90 //Get local position for a recPoint
92 // locPositionPtr[0] = recPointPtr->fLocalPositionPtr[0];
93 //locPositionPtr[1] = recPointPtr->fLocalPositionPtr[1];
98 AliHLTPHOSPhysicsAnalyzer::GlobalPosition(AliHLTPHOSRecPointDataStruct* recPointPtr, Float_t* positionPtr)
100 //Get global position for a recPoint
101 //See header file for documentation
102 Float_t tempPosX = 0;
105 Int_t module = recPointPtr->fModule;
107 tempPosX = kCRYSTAL_SIZE*(recPointPtr->fX-N_XCOLUMNS_MOD/2) + kCRYSTAL_SIZE/2;
109 positionPtr[0] = tempPosX*fRotParametersSin[module] + fPHOSRadius*fRotParametersCos[module];
111 positionPtr[1] = tempPosX*fRotParametersCos[module] - fPHOSRadius*fRotParametersSin[module];
113 positionPtr[2] = kCRYSTAL_SIZE*(recPointPtr->fZ-N_ZROWS_MOD/2) + kCRYSTAL_SIZE/2;
118 AliHLTPHOSPhysicsAnalyzer::GlobalPosition(Float_t* locPositionPtr, Float_t* positionPtr, Int_t module)
120 //Get global position from local postion and module number
121 //See header file for documentation
122 positionPtr[0] = kCRYSTAL_SIZE*(locPositionPtr[0]-N_XCOLUMNS_MOD/2)*fRotParametersCos[module] + fPHOSRadius*fRotParametersSin[module];
124 positionPtr[1] = kCRYSTAL_SIZE*(locPositionPtr[0]-N_XCOLUMNS_MOD/2)*fRotParametersSin[module] - fPHOSRadius*fRotParametersCos[module];
126 positionPtr[2] = kCRYSTAL_SIZE*(locPositionPtr[1]-N_ZROWS_MOD);
131 AliHLTPHOSPhysicsAnalyzer::WriteHistogram(Char_t* fileName)
133 //Write the histogram
134 //See header file for documentation
135 TFile *outfile = new TFile(fileName,"recreate");
137 fRootHistPtr->Write();