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"
21 #include "AliMUONGeometrySegmentation.h"
24 ClassImp(AliMUONChamberTrigger)
26 //-------------------------------------------
28 AliMUONChamberTrigger::AliMUONChamberTrigger()
31 // Default constructor
35 AliMUONChamberTrigger::AliMUONChamberTrigger(Int_t id)
38 // Constructor using chamber id
41 //-------------------------------------------
42 void AliMUONChamberTrigger::DisIntegration(AliMUONHit* hit,
44 Float_t newclust[6][500])
47 // Generates pad hits (simulated cluster)
48 // using the segmentation and the response model
51 Float_t tof = hit->Age();
52 Float_t xhit = hit->X();
53 Float_t yhit = hit->Y();
54 Float_t zhit = hit->Z();
55 Int_t id = hit->DetElemId();
58 if (tof<75*TMath::Power(10,-9)) {
66 for (Int_t i = 1; i <= 2; i++) {
67 AliMUONGeometrySegmentation * segmentation=
68 (AliMUONGeometrySegmentation*) (*fSegmentation2)[i-1];
70 // Find the module & strip Id. which has fired
72 segmentation->GetPadI(id,xhit,yhit,0,ix,iy);
73 segmentation->SetPad(id,ix,iy);
75 // 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);
76 // if (ix < 0 || ix > 10000) return;
77 // if (iy < 0 || iy > 10000) return;
79 // treatment of GEANT hits w/o corresponding strip (due to the fact that
80 // the 2 geometries are computed in a very slightly different way)
82 AliInfo(Form("AliMUONChamberTrigger hit w/o strip %f %f \n",xhit,yhit));
84 // --- store signal information for this strip
85 newclust[0][nnew]=1.; // total charge
86 newclust[1][nnew]=ix; // ix-position of pad
87 newclust[2][nnew]=iy; // iy-position of pad
88 newclust[3][nnew]=twentyNano; // time of flight
89 newclust[4][nnew]=segmentation->ISector(); // sector id
90 newclust[5][nnew]=(Float_t) i; // counter
93 // cluster-size if AliMUONResponseTriggerV1, nothing if AliMUONResponseTrigger
94 if (((AliMUONResponseTrigger*) fResponse)->SetGenerCluster()) {
97 segmentation->SetHit(id,xhit,yhit,zhit);
98 // get the list of nearest neighbours
99 Int_t nList, xList[10], yList[10];
100 segmentation->Neighbours(id,ix,iy,&nList,xList,yList);
103 for (Int_t j=0; j<nList; j++){ // loop over neighbours
104 if (xList[j]!=0) { // existing neighbour
105 if (j==0||j==5||qp!=0) { // built-up cluster-size
107 // neighbour real coordinates (just for checks here)
109 segmentation->GetPadC(id,xList[j],yList[j],x,y,z);
110 // set pad (fx fy & fix fiy are the current pad coord. & Id.)
111 segmentation->SetPad(id,xList[j],yList[j]);
112 // get the chamber (i.e. current strip) response
113 qp=fResponse->IntXY(id,segmentation);
116 // --- store signal information for neighbours
117 newclust[0][nnew]=qp; // total charge
118 newclust[1][nnew]=segmentation->Ix(); // ix-pos. of pad
119 newclust[2][nnew]=segmentation->Iy(); // iy-pos. of pad
120 newclust[3][nnew]=twentyNano; // time of flight
121 newclust[4][nnew]=segmentation->ISector(); // sector id
122 newclust[5][nnew]=(Float_t) i; // counter
125 } // built-up cluster-size
126 } // existing neighbour
127 } // loop over neighbours
128 } // endif hit w/o strip
129 } // loop over planes
130 } // if AliMUONResponseTriggerV1