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 Revision 1.6 1999/09/29 09:24:14 fca
19 Introduction of the Copyright and cvs Log
23 ///////////////////////////////////////////////////////////////////////////////
25 // Forward Multiplicity Detector //
26 // This class contains the base procedures for the Forward Multiplicity //
31 <img src="picts/AliFMDClass.gif">
34 <font size=+2 color=red>
35 <p>The responsible person for this module is
36 <a href="mailto:Valeri.Kondratiev@cern.ch">Valeri Kondratiev</a>.
43 ///////////////////////////////////////////////////////////////////////////////
52 //_____________________________________________________________________________
53 AliFMD::AliFMD(): AliDetector()
56 // Default constructor for class AliFMD
61 //_____________________________________________________________________________
62 AliFMD::AliFMD(const char *name, const char *title)
63 : AliDetector(name,title)
66 // Standard constructor for Forward Multiplicity Detector
70 // Initialise Hit array
71 fHits = new TClonesArray("AliFMDhit", 405);
72 gAlice->AddHitList(fHits);
77 //_____________________________________________________________________________
78 void AliFMD::AddHit(Int_t track, Int_t *vol, Float_t *hits)
83 TClonesArray &lhits = *fHits;
84 new(lhits[fNhits++]) AliFMDhit(fIshunt,track,vol,hits);
87 //_____________________________________________________________________________
88 void AliFMD::BuildGeometry()
91 // Build simple ROOT TNode geometry for event display
94 const int kColorFMD = 7;
96 Top=gAlice->GetGeometry()->GetNode("alice");
98 // FMD define the different volumes
100 new TTUBE("S_FMD1","FMD sensitive volume 1","void",4.5,10.5,3);
102 Node = new TNode("FMD1","FMD1","S_FMD1",0,0,86.5,"");
103 Node->SetLineColor(kColorFMD);
106 new TTUBE("S_FMD2","FMD sensitive volume 2","void",4.5,10.5,3);
108 Node = new TNode("FMD2","FMD2","S_FMD2",0,0,-86.5,"");
109 Node->SetLineColor(kColorFMD);
112 new TTUBE("S_FMD3","FMD sensitive volume 3","void",8,14,3);
114 Node = new TNode("FMD3","FMD3","S_FMD3",0,0,71.2,"");
115 Node->SetLineColor(kColorFMD);
118 new TTUBE("S_FMD4","FMD sensitive volume 4","void",8,14,3);
120 Node = new TNode("FMD4","FMD4","S_FMD4",0,0,-71.2,"");
122 Node->SetLineColor(kColorFMD);
124 new TTUBE("S_FMD5","FMD sensitive volume 5","void",8,17.5,3);
126 Node = new TNode("FMD5","FMD5","S_FMD5",0,0,44,"");
127 Node->SetLineColor(kColorFMD);
130 new TTUBE("S_FMD6","FMD sensitive volume 6","void",8,17.5,3);
132 Node = new TNode("FMD6","FMD6","S_FMD6",0,0,-44,"");
133 Node->SetLineColor(kColorFMD);
136 new TTUBE("S_FMD7","FMD sensitive volume 7","void",4.2,13,3);
138 Node = new TNode("FMD7","FMD7","S_FMD7",0,0,-231,"");
139 Node->SetLineColor(kColorFMD);
143 //_____________________________________________________________________________
144 Int_t AliFMD::DistancetoPrimitive(Int_t , Int_t )
147 // Calculate the distance from the mouse to the FMD on the screen
153 //_____________________________________________________________________________
154 void AliFMD::StepManager()
157 // Called for each step in the FMD
162 TClonesArray &lhits = *fHits;
165 gMC->CurrentVolID(copy);
167 gMC->TrackPosition(p);
168 for(i=0;i<3;++i) hits[i]=p[i];
169 new(lhits[fNhits++]) AliFMDhit(fIshunt,gAlice->CurrentTrack(),vol,hits);
172 //___________________________________________
176 // Initialis the FMD after it has been built
180 for(i=0;i<35;i++) printf("*");
181 printf(" FMD_INIT ");
182 for(i=0;i<35;i++) printf("*");
185 // Here the FMD initialisation code (if any!)
186 for(i=0;i<80;i++) printf("*");
193 //_____________________________________________________________________________
194 AliFMDhit::AliFMDhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):