1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
18 #include "AliMUONTriggerLut.h"
25 ClassImp(AliMUONTriggerLut)
27 //----------------------------------------------------------------------
28 AliMUONTriggerLut::AliMUONTriggerLut()
32 fLptPlus = fLptMinu = fLptUnde = 0;
33 fHptPlus = fHptMinu = fHptUnde = 0;
34 fAptPlus = fAptMinu = fAptUnde = 0;
36 //----------------------------------------------------------------------
37 AliMUONTriggerLut::~AliMUONTriggerLut()
51 //----------------------------------------------------------------------
52 AliMUONTriggerLut::AliMUONTriggerLut (const AliMUONTriggerLut& theMUONTriggerLut)
53 : TNamed(theMUONTriggerLut)
55 // Protected copy constructor
57 AliFatal("Not implemented.");
60 //----------------------------------------------------------------------
62 AliMUONTriggerLut::operator=(const AliMUONTriggerLut& rhs)
64 // Protected assignement operator
66 if (this == &rhs) return *this;
68 AliFatal( "Not implemented.");
74 AliMUONTriggerLut::ReadFromFile(const char* filename)
80 AliFatal(Form("Could not open file %s",filename));
83 fLptPlus = (TH3*)(f.Get("LptPlus")->Clone());
84 fLptMinu = (TH3*)(f.Get("LptMinu")->Clone());
85 fLptUnde = (TH3*)(f.Get("LptUnde")->Clone());
86 fHptPlus = (TH3*)(f.Get("HptPlus")->Clone());
87 fHptMinu = (TH3*)(f.Get("HptMinu")->Clone());
88 fHptUnde = (TH3*)(f.Get("HptUnde")->Clone());
89 fAptPlus = (TH3*)(f.Get("AptPlus")->Clone());
90 fAptMinu = (TH3*)(f.Get("AptMinu")->Clone());
91 fAptUnde = (TH3*)(f.Get("AptUnde")->Clone());
93 // insure we "detach" those histograms from file f
94 fLptPlus->SetDirectory(0);
95 fLptMinu->SetDirectory(0);
96 fLptUnde->SetDirectory(0);
97 fHptPlus->SetDirectory(0);
98 fHptMinu->SetDirectory(0);
99 fHptUnde->SetDirectory(0);
100 fAptPlus->SetDirectory(0);
101 fAptMinu->SetDirectory(0);
102 fAptUnde->SetDirectory(0);
105 //----------------------------------------------------------------------
106 void AliMUONTriggerLut::GetLutOutput(Int_t circuit, Int_t xstrip, Int_t idev,
107 Int_t ystrip, Int_t lutLpt[2],
108 Int_t lutHpt[2], Int_t lutApt[2])
110 // return output of LuT for corresponding TH3S
114 ReadFromFile("$(ALICE_ROOT)/MUON/data/MUONTriggerLut.root");
119 Int_t mask = GetMask(ystrip); // get ystrip mask
121 // Low pt..............................................
122 bin = fLptPlus->GetBin(circuit,xstrip,idev);
123 binc = (Short_t)fLptPlus->GetBinContent(bin);
124 if ((binc & mask)!=0) lutLpt[1]=1;
126 bin = fLptMinu->GetBin(circuit,xstrip,idev);
127 binc = (Short_t)fLptMinu->GetBinContent(bin);
128 if ((binc & mask)!=0) lutLpt[0]=1;
130 bin = fLptUnde->GetBin(circuit,xstrip,idev);
131 binc = (Short_t)fLptUnde->GetBinContent(bin);
132 if ((binc & mask)!=0) lutLpt[0]=lutLpt[1]=1;
134 // High pt.............................................
135 bin = fHptPlus->GetBin(circuit,xstrip,idev);
136 binc = (Short_t)fHptPlus->GetBinContent(bin);
137 if ((binc & mask)!=0) lutHpt[1]=1;
139 bin = fHptMinu->GetBin(circuit,xstrip,idev);
140 binc = (Short_t)fHptMinu->GetBinContent(bin);
141 if ((binc & mask)!=0) lutHpt[0]=1;
143 bin = fHptUnde->GetBin(circuit,xstrip,idev);
144 binc = (Short_t)fHptUnde->GetBinContent(bin);
145 if ((binc & mask)!=0) lutHpt[0]=lutHpt[1]=1;
147 // All pts.............................................
148 bin = fAptPlus->GetBin(circuit,xstrip,idev);
149 binc = (Short_t)fAptPlus->GetBinContent(bin);
150 if ((binc & mask)!=0) lutApt[1]=1;
152 bin = fAptMinu->GetBin(circuit,xstrip,idev);
153 binc = (Short_t)fAptMinu->GetBinContent(bin);
154 if ((binc & mask)!=0) lutApt[0]=1;
156 bin = fAptUnde->GetBin(circuit,xstrip,idev);
157 binc = (Short_t)fAptUnde->GetBinContent(bin);
158 if ((binc & mask)!=0) lutApt[0]=lutApt[1]=1;
162 //----------------------------------------------------------------------
163 Int_t AliMUONTriggerLut::GetMask(Int_t ystrip)
165 // returns the mask corresponding to ystrip
166 Int_t tabMask[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
169 for (Int_t i=0; i<16; i++)
171 mask += tabMask[i]<<i;