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 "AliMUONChamberTrigger.h"
19 #include "AliMUONResponseTrigger.h"
20 #include "AliMUONHit.h"
22 #include "AliMUONSegmentation.h"
23 #include "AliMUONGeometrySegmentation.h"
24 #include "AliMUONGeometryTransformer.h"
28 /// \class AliMUONChamberTrigger
30 /// Implementation of AliMUONChamber for the trigger
32 /// This class is to be deprecated.
36 ClassImp(AliMUONChamberTrigger)
39 //-------------------------------------------
41 AliMUONChamberTrigger::AliMUONChamberTrigger()
45 /// Default constructor
48 //-------------------------------------------
50 AliMUONChamberTrigger:: ~AliMUONChamberTrigger()
55 //-------------------------------------------
57 AliMUONChamberTrigger::AliMUONChamberTrigger(Int_t id,
58 const AliMUONGeometryTransformer* kGeometryTransformer)
60 fkGeomTransformer(kGeometryTransformer)
62 /// Constructor using chamber id
65 //-------------------------------------------
66 void AliMUONChamberTrigger::DisIntegration(AliMUONHit* hit,
68 Float_t newclust[6][500])
70 /// Generates pad hits (simulated cluster)
71 /// using the segmentation and the response model
74 Float_t tof = hit->Age();
75 Float_t xhit = hit->X();
76 Float_t yhit = hit->Y();
77 Float_t zhit = hit->Z();
78 Int_t id = hit->DetElemId();
81 if (tof<75*TMath::Power(10,-9)) {
89 for (Int_t i = 1; i <= 2; i++) {
91 AliMUONGeometrySegmentation* segmentation=
92 fMUON->GetSegmentation()->GetModuleSegmentationByDEId(id, i-1);
95 // Find the module & strip Id. which has fired
98 segmentation->GetPadI(id,xhit,yhit,0,ix,iy);
99 // treatment of GEANT hits w/o corresponding strip (due to the fact that
100 // geometry & segmentation are computed in a very slightly different way)
104 fkGeomTransformer->Global2Local(id,xhit,yhit,0,lx,ly,lz);
105 AliWarning(Form("AliMUONChamberTrigger hit w/o strip %i-%d %e %e "
106 "local %e %e %e ix,iy=%d,%d\n",id,i-1,xhit,yhit,lx,ly,lz,ix,iy));
109 segmentation->SetPad(id,ix,iy);
110 if (xhit<0) ix = -ix;
111 // printf(" fId id fnsec xhit yhit zhit ix iy %i %i %i %f %f %f %i %i \n",fId,i,id,xhit,yhit,zhit,ix,iy);
112 // if (ix < 0 || ix > 10000) return;
113 // if (iy < 0 || iy > 10000) return;
115 // --- store signal information for this strip
116 newclust[0][nnew]=1.; // total charge
117 newclust[1][nnew]=ix; // ix-position of pad
118 newclust[2][nnew]=iy; // iy-position of pad
119 newclust[3][nnew]=twentyNano; // time of flight
120 newclust[4][nnew]=segmentation->ISector(); // sector id
121 newclust[5][nnew]=(Float_t) i; // counter
124 // cluster-size if AliMUONResponseTriggerV1, nothing if AliMUONResponseTrigger
125 if (((AliMUONResponseTrigger*) fResponse)->SetGenerCluster()) {
128 segmentation->SetHit(id,xhit,yhit,zhit);
129 // get the list of nearest neighbours
130 Int_t nList, xList[10], yList[10];
131 segmentation->Neighbours(id,ix,iy,&nList,xList,yList);
134 for (Int_t j=0; j<nList; j++){ // loop over neighbours
135 if (xList[j]!=0) { // existing neighbour
136 if (j==0||j==5||qp!=0) { // built-up cluster-size
138 // neighbour real coordinates (just for checks here)
140 segmentation->GetPadC(id,xList[j],yList[j],x,y,z);
141 // set pad (fx fy & fix fiy are the current pad coord. & Id.)
142 segmentation->SetPad(id,xList[j],yList[j]);
143 // get the chamber (i.e. current strip) response
144 qp=fResponse->IntXY(id,segmentation);
147 // --- store signal information for neighbours
148 newclust[0][nnew]=qp; // total charge
149 newclust[1][nnew]=segmentation->Ix(); // ix-pos. of pad
150 newclust[2][nnew]=segmentation->Iy(); // iy-pos. of pad
151 newclust[3][nnew]=twentyNano; // time of flight
152 newclust[4][nnew]=segmentation->ISector(); // sector id
153 newclust[5][nnew]=(Float_t) i; // counter
156 } // built-up cluster-size
157 } // existing neighbour
158 } // loop over neighbours
159 } // endif hit w/o strip
160 } // loop over planes
161 } // if AliMUONResponseTriggerV1