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 **************************************************************************/
20 #include "AliMUONLocalTrigger.h"
23 #include "AliMUONLocalStruct.h"
25 ClassImp(AliMUONLocalTrigger)
27 /// ------------------
28 /// Class AliMUONLocalTrigger
29 /// ------------------
30 /// Local Trigger algorithm data outputs
31 /// (contains local trigger decision and bit patterns)
34 /// add SetLocalStruct method for rawdata
37 //----------------------------------------------------------------------
38 AliMUONLocalTrigger::AliMUONLocalTrigger()
65 //----------------------------------------------------------------------
66 AliMUONLocalTrigger::AliMUONLocalTrigger(const AliMUONLocalTrigger& theMUONLocalTrig)
67 : TObject(theMUONLocalTrig)
70 // copy constructor (useful for TClonesArray)
72 fLoCircuit = theMUONLocalTrig.fLoCircuit;
73 fLoStripX = theMUONLocalTrig.fLoStripX;
74 fLoDev = theMUONLocalTrig.fLoDev;
75 fLoStripY = theMUONLocalTrig.fLoStripY;
76 fLoLpt = theMUONLocalTrig.fLoLpt;
77 fLoHpt = theMUONLocalTrig.fLoHpt;
78 fLoApt = theMUONLocalTrig.fLoApt;
80 fX1Pattern = theMUONLocalTrig.fX1Pattern;
81 fX2Pattern = theMUONLocalTrig.fX2Pattern;
82 fX3Pattern = theMUONLocalTrig.fX3Pattern;
83 fX4Pattern = theMUONLocalTrig.fX4Pattern;
85 fY1Pattern = theMUONLocalTrig.fY1Pattern;
86 fY2Pattern = theMUONLocalTrig.fY2Pattern;
87 fY3Pattern = theMUONLocalTrig.fY3Pattern;
88 fY4Pattern = theMUONLocalTrig.fY4Pattern;
90 fLoDecision = theMUONLocalTrig.fLoDecision;
92 fDigits = theMUONLocalTrig.fDigits;
94 //----------------------------------------------------------------------
95 AliMUONLocalTrigger& AliMUONLocalTrigger::operator=(const AliMUONLocalTrigger& theMUONLocalTrig)
99 // equal operator (useful for non-pointer member in TClonesArray)
101 if (this == &theMUONLocalTrig)
104 // base class assignement
105 TObject::operator=(theMUONLocalTrig);
107 fLoCircuit = theMUONLocalTrig.fLoCircuit;
108 fLoStripX = theMUONLocalTrig.fLoStripX;
109 fLoDev = theMUONLocalTrig.fLoDev;
110 fLoStripY = theMUONLocalTrig.fLoStripY;
111 fLoLpt = theMUONLocalTrig.fLoLpt;
112 fLoHpt = theMUONLocalTrig.fLoHpt;
113 fLoApt = theMUONLocalTrig.fLoApt;
115 fX1Pattern = theMUONLocalTrig.fX1Pattern;
116 fX2Pattern = theMUONLocalTrig.fX2Pattern;
117 fX3Pattern = theMUONLocalTrig.fX3Pattern;
118 fX4Pattern = theMUONLocalTrig.fX4Pattern;
120 fY1Pattern = theMUONLocalTrig.fY1Pattern;
121 fY2Pattern = theMUONLocalTrig.fY2Pattern;
122 fY3Pattern = theMUONLocalTrig.fY3Pattern;
123 fY4Pattern = theMUONLocalTrig.fY4Pattern;
125 fLoDecision = theMUONLocalTrig.fLoDecision;
127 fDigits = theMUONLocalTrig.fDigits;
132 //----------------------------------------------------------------------
133 AliMUONLocalTrigger::AliMUONLocalTrigger(const Int_t* localtr, const TArrayI& digits)
136 // add a local trigger object
138 fLoCircuit = localtr[0];
139 fLoStripX = localtr[1];
141 fLoStripY = localtr[3];
146 // keep on with this way
147 fX1Pattern = (UShort_t)localtr[7];
148 fX2Pattern = (UShort_t)localtr[8];
149 fX3Pattern = (UShort_t)localtr[9];
150 fX4Pattern = (UShort_t)localtr[10];
152 fY1Pattern = (UShort_t)localtr[11];
153 fY2Pattern = (UShort_t)localtr[12];
154 fY3Pattern = (UShort_t)localtr[13];
155 fY4Pattern = (UShort_t)localtr[14];
159 //----------------------------------------------------------------------
160 Char_t AliMUONLocalTrigger::GetLoDecision()
162 // get local decision
164 // returns local trigger decision
166 fLoDecision = (fLoLpt & 0x3);
167 fLoDecision |= (fLoHpt << 2) & 0xC;
172 //----------------------------------------------------------------------
173 void AliMUONLocalTrigger::GetDigit(
174 Int_t i, Int_t& chamber, Int_t& cathode, Int_t& digit) const
176 // Returns the i'th digit that fired this circuit.
177 // The number of digits can be found with NumberOfDigits(), that is
178 // i is valid in the range [ 0 , NumberOfDigits() - 1 ]
180 Int_t digitnumber = fDigits[i];
181 DecodeDigitNumber(digitnumber, chamber, cathode, digit);
184 //----------------------------------------------------------------------
185 Int_t AliMUONLocalTrigger::EncodeDigitNumber(Int_t chamber, Int_t cathode,
188 // Encodes a 32-bit digit number from digit information to be stored
189 // in internal integer arrays. Note that the value of the digit parameter
190 // can not be larger than 0x07FFFFFF.
192 assert( 0 <= cathode && cathode <= 1 );
193 assert( 0 <= chamber && chamber <= 13 );
195 if ((digit & 0xF8000000) != 0)
197 AliErrorGeneral("AliMUONLocalTrigger", Form(
198 "Digit index value is to large: 0x%8.8X. Maximum supported value is 0x07FFFFFF.",
199 cathode, chamber, digit
204 return ((cathode & 0x1) << 31) | ((chamber & 0xF) << 27) | digit;
207 //----------------------------------------------------------------------
208 void AliMUONLocalTrigger::DecodeDigitNumber(Int_t digitnumber, Int_t& chamber,
209 Int_t& cathode, Int_t& digit)
211 // Decodes a digit number into information about the digit.
212 // One can subsequently fetch the digit with
213 // AliMUONDataInterface::Digit(chamber, cathode, digit)
215 cathode = (digitnumber >> 31) & 0x1;
216 chamber = (digitnumber >> 27) & 0xF;
217 digit = digitnumber & 0x7FFFFFF;
220 //----------------------------------------------------------------------
221 void AliMUONLocalTrigger::SetLocalStruct(Int_t loCircuit, AliMUONLocalStruct& localStruct)
224 // Set local trigger info from rawdata localStruct
228 SetLoCircuit(loCircuit);
231 SetLoStripX((Int_t)localStruct.GetXPos());
232 SetLoStripY((Int_t)localStruct.GetYPos());
233 SetLoDev((Int_t)localStruct.GetXDev());
236 SetLoLpt(localStruct.GetLpt());
237 SetLoHpt(localStruct.GetHpt());
240 SetX1Pattern(localStruct.GetX1());
241 SetX2Pattern(localStruct.GetX2());
242 SetX3Pattern(localStruct.GetX3());
243 SetX4Pattern(localStruct.GetX4());
246 SetY1Pattern(localStruct.GetY1());
247 SetY2Pattern(localStruct.GetY2());
248 SetY3Pattern(localStruct.GetY3());
249 SetY4Pattern(localStruct.GetY4());