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"
27 ClassImp(AliMUONChamberTrigger)
29 //-------------------------------------------
31 AliMUONChamberTrigger::AliMUONChamberTrigger()
35 // Default constructor
39 AliMUONChamberTrigger::AliMUONChamberTrigger(Int_t id,
40 const AliMUONGeometryTransformer* kGeometryTransformer)
42 fkGeomTransformer(kGeometryTransformer)
44 // Constructor using chamber id
47 //-------------------------------------------
48 void AliMUONChamberTrigger::DisIntegration(AliMUONHit* hit,
50 Float_t newclust[6][500])
53 // Generates pad hits (simulated cluster)
54 // using the segmentation and the response model
57 Float_t tof = hit->Age();
58 Float_t xhit = hit->X();
59 Float_t yhit = hit->Y();
60 Float_t zhit = hit->Z();
61 Int_t id = hit->DetElemId();
64 if (tof<75*TMath::Power(10,-9)) {
72 for (Int_t i = 1; i <= 2; i++) {
74 AliMUONGeometrySegmentation* segmentation=
75 fMUON->GetSegmentation()->GetModuleSegmentation(fId, i-1);
78 // Find the module & strip Id. which has fired
81 segmentation->GetPadI(id,xhit,yhit,0,ix,iy);
82 // treatment of GEANT hits w/o corresponding strip (due to the fact that
83 // geometry & segmentation are computed in a very slightly different way)
87 fkGeomTransformer->Global2Local(id,xhit,yhit,0,lx,ly,lz);
88 AliWarning(Form("AliMUONChamberTrigger hit w/o strip %i-%d %e %e "
89 "local %e %e %e ix,iy=%d,%d\n",id,i-1,xhit,yhit,lx,ly,lz,ix,iy));
92 segmentation->SetPad(id,ix,iy);
94 // 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);
95 // if (ix < 0 || ix > 10000) return;
96 // if (iy < 0 || iy > 10000) return;
98 // --- store signal information for this strip
99 newclust[0][nnew]=1.; // total charge
100 newclust[1][nnew]=ix; // ix-position of pad
101 newclust[2][nnew]=iy; // iy-position of pad
102 newclust[3][nnew]=twentyNano; // time of flight
103 newclust[4][nnew]=segmentation->ISector(); // sector id
104 newclust[5][nnew]=(Float_t) i; // counter
107 // cluster-size if AliMUONResponseTriggerV1, nothing if AliMUONResponseTrigger
108 if (((AliMUONResponseTrigger*) fResponse)->SetGenerCluster()) {
111 segmentation->SetHit(id,xhit,yhit,zhit);
112 // get the list of nearest neighbours
113 Int_t nList, xList[10], yList[10];
114 segmentation->Neighbours(id,ix,iy,&nList,xList,yList);
117 for (Int_t j=0; j<nList; j++){ // loop over neighbours
118 if (xList[j]!=0) { // existing neighbour
119 if (j==0||j==5||qp!=0) { // built-up cluster-size
121 // neighbour real coordinates (just for checks here)
123 segmentation->GetPadC(id,xList[j],yList[j],x,y,z);
124 // set pad (fx fy & fix fiy are the current pad coord. & Id.)
125 segmentation->SetPad(id,xList[j],yList[j]);
126 // get the chamber (i.e. current strip) response
127 qp=fResponse->IntXY(id,segmentation);
130 // --- store signal information for neighbours
131 newclust[0][nnew]=qp; // total charge
132 newclust[1][nnew]=segmentation->Ix(); // ix-pos. of pad
133 newclust[2][nnew]=segmentation->Iy(); // iy-pos. of pad
134 newclust[3][nnew]=twentyNano; // time of flight
135 newclust[4][nnew]=segmentation->ISector(); // sector id
136 newclust[5][nnew]=(Float_t) i; // counter
139 } // built-up cluster-size
140 } // existing neighbour
141 } // loop over neighbours
142 } // endif hit w/o strip
143 } // loop over planes
144 } // if AliMUONResponseTriggerV1