[807] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // Rich advanced example for Geant4 |
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| 27 | // filterTrData.cc for Rich of LHCb |
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| 28 | // History: |
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| 29 | // Created: Sajan Easo (Sajan.Easo@cern.ch) |
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| 30 | // Revision and changes: Patricia Mendez (Patricia.Mendez@cern.ch) |
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| 31 | ///////////////////////////////////////////////////////////////////////////// |
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| 32 | #include <iostream> |
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| 33 | #include <fstream> |
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| 34 | #include "FilterTrData.hh" |
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| 35 | #include "RichTbGeometryParameters.hh" |
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| 36 | #include "RichTbMaterialParameters.hh" |
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| 37 | |
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| 38 | FilterTrData::FilterTrData(G4int FilterTypeNum, G4String FilterDataFileName ) |
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| 39 | :NumberOfTrBins(NumFilterTransBins), |
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| 40 | TransWaveL(std::vector<G4double>(NumFilterTransBins)), |
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| 41 | TransValue(std::vector<G4double>(NumFilterTransBins)), |
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| 42 | TransTotValue(std::vector<G4double>(NumFilterTransBins)) |
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| 43 | { |
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| 44 | // In the G4example the same type of filter is used |
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| 45 | // for all types of filters. |
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| 46 | FilterTypeNumber= FilterTypeNum; |
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| 47 | FilterTransDataFileName=FilterDataFileName; |
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| 48 | if( FilterTypeNum >= 0 && FilterTypeNum <= 5 ) { |
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| 49 | FilterTypeIndex = GlassD263; |
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| 50 | FilterRefIndexNominal = RefIndexGlassD263 ; |
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| 51 | } else if (FilterTypeNum == -1 ) { |
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| 52 | G4cout<<" No filter for this run "<<G4endl; |
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| 53 | } else {G4cout<<"FilterTrData : Unknown Filter Type "<<G4endl; } |
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| 54 | |
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| 55 | |
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| 56 | //for now default ref index is provided as that of glassd263. |
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| 57 | |
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| 58 | CurNeighbourRefIndexNominal= NitrogenNominalRefIndex; |
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| 59 | ReadFilterTrans(); |
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| 60 | if(FilterTypeNum >=0 ) { |
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| 61 | FilterThickness = 2.0*FilterHalfZArray[FilterTypeNum]; |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | void FilterTrData::ReadFilterTrans() { |
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| 66 | //first get the filter type index |
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| 67 | FilterType Ftype = GetFilterTypeIndex(); |
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| 68 | if(Ftype == GlassD263 ) { |
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| 69 | const char* D263FilterTransFile= FilterTransDataFileName.c_str(); |
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| 70 | if(D263FilterTransFile != 0 ) { |
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| 71 | G4cout<<"Glass D263 Filter trans is from "<<D263FilterTransFile<<G4endl; |
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| 72 | if(NumberOfTrBins != NumPhotBinGlassD263Trans ) { |
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| 73 | NumberOfTrBins = NumPhotBinGlassD263Trans; |
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| 74 | TransWaveL.resize(NumberOfTrBins); |
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| 75 | TransValue.resize(NumberOfTrBins); |
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| 76 | TransTotValue.resize(NumberOfTrBins); |
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| 77 | } |
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| 78 | std::ifstream finpga(D263FilterTransFile); |
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| 79 | G4double wa,trn; |
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| 80 | //set the order to have increasing in wavelength after reading in. |
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| 81 | //the data file is with decreasing order of wavelength. |
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| 82 | for (G4int fbin=0; fbin< NumberOfTrBins ; fbin++){ |
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| 83 | finpga>>wa; |
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| 84 | finpga>>trn; |
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| 85 | TransWaveL[NumberOfTrBins-fbin-1]=wa; |
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| 86 | // TransValue[NumberOfTrBins-fbin-1]=trn/100.0; |
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| 87 | TransValue[NumberOfTrBins-fbin-1]=GetCurrentFilTrans(trn); |
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| 88 | TransTotValue[NumberOfTrBins-fbin-1]=GetTotFilTrans(trn); |
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| 89 | } |
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| 90 | }else { |
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| 91 | G4cout<<" Unknown file name for filter transmission Data input "<<G4endl; |
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| 92 | G4cout<<" Please specify the correct file name for filter transmission " <<G4endl; |
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| 93 | } |
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| 94 | |
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| 95 | } else { |
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| 96 | G4cout<<"Unknown Filter or No filter"<<G4endl; |
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| 97 | G4cout<<" Please provide the Filter transmission Data " <<G4endl; |
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| 98 | |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | G4double FilterTrData::GetCurrentFilTrans(G4double trnData) { |
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| 103 | // No wavelength dependance yet for the Fresnel loss at the |
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| 104 | // surfaces. |
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| 105 | G4double trn = trnData/100.0; |
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| 106 | // G4double na= FilterRefIndexNominal; |
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| 107 | // G4double nb= CurNeighbourRefIndexNominal; |
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| 108 | // G4double LossAtFEntrance=std::pow(((na-nb)/(na+nb)),2.0); |
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| 109 | // G4double LossAtFExit = std::pow(((nb-na)/(nb+na)),2.0); |
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| 110 | |
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| 111 | if(trn > 1.0 ) trn=1.0; |
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| 112 | return trn; |
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| 113 | } |
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| 114 | |
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| 115 | G4double FilterTrData::GetTotFilTrans(G4double trnData) { |
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| 116 | // No wavelength dependance yet. |
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| 117 | |
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| 118 | return trnData/100.0; |
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| 119 | |
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| 120 | } |
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| 121 | FilterTrData::~FilterTrData(){ ; } |
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| 122 | |
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| 123 | |
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| 126 | |
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| 128 | |
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