[807] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | /////////////////////////////////////////////////////////////////////////////// |
---|
| 27 | // File: CCaloOrganization.cc |
---|
| 28 | // Description: Packing, unpacking and other related utilities for |
---|
| 29 | // calorimetric numbering schema |
---|
| 30 | /////////////////////////////////////////////////////////////////////////////// |
---|
| 31 | #include "CCaloOrganization.hh" |
---|
| 32 | |
---|
| 33 | //#define debug |
---|
| 34 | |
---|
| 35 | unsigned int CCaloOrganization::packindex(int det, int z, int eta, |
---|
| 36 | int phi) const { |
---|
| 37 | //So this is the actual encoding of the index: |
---|
| 38 | //top 4 bits encode Detector type |
---|
| 39 | // |
---|
| 40 | // Should work for all calorimeter with no depth information |
---|
| 41 | |
---|
| 42 | unsigned int idx=(det&15)<<28; //bits 28-31 (21-23 are free for now) |
---|
| 43 | idx+=(((z+1)/2)&1)<<20; //bits 20 |
---|
| 44 | idx+=(eta&1023)<<10; //bits 10-19 |
---|
| 45 | idx+=(phi&1023); //bits 0-9 |
---|
| 46 | #ifdef debug |
---|
| 47 | G4cout << " ECAL packing " << det << " " << z << " " << eta << " " << phi |
---|
| 48 | << " into " << idx << G4endl; |
---|
| 49 | #endif |
---|
| 50 | return idx; |
---|
| 51 | } |
---|
| 52 | |
---|
| 53 | unsigned int CCaloOrganization::packindex(int det, int depth, int z, int eta, |
---|
| 54 | int phi) const { |
---|
| 55 | //So this is the actual encoding of the index: |
---|
| 56 | //top 4 bits encode Detector type |
---|
| 57 | //next 4 bits encode depth information |
---|
| 58 | // Should work for all calorimeter with no depth information |
---|
| 59 | |
---|
| 60 | unsigned int idx=(det&15)<<28; //bits 28-31 (21-23 are free for now) |
---|
| 61 | idx+=(depth&15)<<24; //bits 24-27 |
---|
| 62 | idx+=(z&1)<<20; //bits 20 |
---|
| 63 | idx+=(eta&1023)<<10; //bits 10-19 |
---|
| 64 | idx+=(phi&1023); //bits 0-9 |
---|
| 65 | #ifdef debug |
---|
| 66 | G4cout << " HCAL packing " << det << " " << depth << " " << z << " " << eta |
---|
| 67 | << " " << phi << " into " << idx << G4endl; |
---|
| 68 | #endif |
---|
| 69 | return idx; |
---|
| 70 | } |
---|
| 71 | |
---|
| 72 | |
---|
| 73 | void CCaloOrganization::unpackindex(const unsigned int& idx, int& det, int& z, |
---|
| 74 | int& eta, int& phi) const { |
---|
| 75 | det = (idx>>28)&15; |
---|
| 76 | z = (idx>>20)&1; |
---|
| 77 | z = 2*z-1; |
---|
| 78 | eta = (idx>>10)&1023; |
---|
| 79 | phi = (idx&1023); |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | |
---|
| 83 | void CCaloOrganization::unpackindex(const unsigned int& idx, int& det, |
---|
| 84 | int& depth, int& z, int& eta, |
---|
| 85 | int& phi) const { |
---|
| 86 | det = (idx>>28)&15; |
---|
| 87 | depth=(idx>>24)&15; |
---|
| 88 | z = (idx>>20)&1; |
---|
| 89 | eta = (idx>>10)&1023; |
---|
| 90 | phi = (idx&1023); |
---|
| 91 | } |
---|
| 92 | |
---|
| 93 | |
---|
| 94 | int CCaloOrganization::getUnitWithMaxEnergy(std::map<int,float,std::less<int> >& themap){ |
---|
| 95 | |
---|
| 96 | //look for max |
---|
| 97 | int UnitWithMaxEnergy = 0; |
---|
| 98 | float maxEnergy = 0.; |
---|
| 99 | |
---|
| 100 | for(std::map<int,float,std::less<int> >::iterator iter = themap.begin(); |
---|
| 101 | iter != themap.end(); iter++){ |
---|
| 102 | |
---|
| 103 | if( maxEnergy < (*iter).second) { |
---|
| 104 | maxEnergy = (*iter).second; |
---|
| 105 | UnitWithMaxEnergy = (*iter).first; |
---|
| 106 | } |
---|
| 107 | } |
---|
| 108 | #ifdef debug |
---|
| 109 | G4cout << " *** max energy of " << maxEnergy << " MeV was found in Unit id " |
---|
| 110 | << UnitWithMaxEnergy; |
---|
| 111 | int det,z,eta,phi; |
---|
| 112 | unpackindex(UnitWithMaxEnergy, det, z, eta, phi); |
---|
| 113 | G4cout << " corresponding to z= " << z << " eta= " << eta << " phi = " << phi |
---|
| 114 | << G4endl; |
---|
| 115 | #endif |
---|
| 116 | return UnitWithMaxEnergy; |
---|
| 117 | |
---|
| 118 | } |
---|
| 119 | |
---|
| 120 | |
---|
| 121 | float CCaloOrganization::energyInMatrix(int nCellInEta, int nCellInPhi, |
---|
| 122 | int crystalWithMaxEnergy, |
---|
| 123 | std::map<int,float,std::less<int> >& themap){ |
---|
| 124 | |
---|
| 125 | int det,z,eta,phi; |
---|
| 126 | this->unpackindex(crystalWithMaxEnergy, det, z, eta, phi); |
---|
| 127 | int ncristals=0; |
---|
| 128 | |
---|
| 129 | int goBackInEta = nCellInEta/2; |
---|
| 130 | int goBackInPhi = nCellInPhi/2; |
---|
| 131 | int startEta = eta-goBackInEta; |
---|
| 132 | int startPhi = phi-goBackInPhi; |
---|
| 133 | |
---|
| 134 | float totalEnergy = 0.; |
---|
| 135 | |
---|
| 136 | for(int ieta=startEta; ieta<startEta+nCellInEta; ieta++){ |
---|
| 137 | for(int iphi=startPhi; iphi<startPhi+nCellInPhi; iphi++){ |
---|
| 138 | |
---|
| 139 | int index = this->packindex(det,z,ieta,iphi); |
---|
| 140 | totalEnergy += themap[index]; |
---|
| 141 | ncristals+=1; |
---|
| 142 | #ifdef debug |
---|
| 143 | G4cout << "ieta - iphi - E = " << ieta << " " << iphi << " " |
---|
| 144 | << themap[index] << G4endl; |
---|
| 145 | #endif |
---|
| 146 | } |
---|
| 147 | } |
---|
| 148 | |
---|
| 149 | #ifdef debug |
---|
| 150 | G4cout << "Energy in " << nCellInEta << " cells in eta times " |
---|
| 151 | << nCellInPhi << " cells in phi matrix = " << totalEnergy |
---|
| 152 | << " for " << ncristals << " crystals" << G4endl; |
---|
| 153 | #endif |
---|
| 154 | return totalEnergy; |
---|
| 155 | |
---|
| 156 | } |
---|