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 1.7 2001/10/30 11:27:35 morsch
19 fExplicit member data correctly initialized.
21 Revision 1.6 2001/07/27 17:09:36 morsch
22 Use local SetTrack, KeepTrack and SetHighWaterMark methods
23 to delegate either to local stack or to stack owned by AliRun.
24 (Piotr Skowronski, A.M.)
26 Revision 1.5 2001/02/24 11:41:59 morsch
27 SetGun allows specify completely the particle kinematics and position in one go. (FCA)
29 Revision 1.4 2000/12/21 16:24:06 morsch
30 Coding convention clean-up
32 Revision 1.3 2000/11/30 07:12:50 alibrary
33 Introducing new Rndm and QA classes
35 Revision 1.2 2000/10/02 15:17:54 morsch
36 Unused includes removed.
38 Revision 1.1 2000/06/09 20:24:00 morsch
39 Same class as previously in AliSimpleGen.cxx
40 All coding rule violations except RS3 corrected (AM)
46 // Simple particle gun.
47 // Momentum, phi and theta of the partice as well as the particle type can be set.
48 // andreas.morsch@cern.ch
51 <img src="picts/AliGeneratorClass.gif">
54 <font size=+2 color=red>
55 <p>The responsible person for this module is
56 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
62 ///////////////////////////////////////////////////////////////////
66 #include "AliGenFixed.h"
71 //_____________________________________________________________________________
72 AliGenFixed::AliGenFixed()
76 // Default constructor
82 //_____________________________________________________________________________
83 AliGenFixed::AliGenFixed(Int_t npart)
87 // Standard constructor
90 fTitle="Fixed Particle Generator";
91 // Generate Proton by default
96 //_____________________________________________________________________________
97 void AliGenFixed::Generate()
100 // Generate one trigger
102 Float_t polar[3]= {0,0,0};
104 fP[0] = fPMin*TMath::Cos(fPhiMin)*TMath::Sin(fThetaMin);
105 fP[1] = fPMin*TMath::Sin(fPhiMin)*TMath::Sin(fThetaMin);
106 fP[2] = fPMin*TMath::Cos(fThetaMin);
110 for(i=0;i<fNpart;i++)
111 SetTrack(fTrackIt,-1,fIpart,fP,fOrigin.GetArray(),polar,0,kPPrimary,nt);
114 //_____________________________________________________________________________
115 void AliGenFixed::SetSigma(Float_t sx, Float_t sy, Float_t sz)
118 // Set the interaction point sigma
120 printf("Vertex smearing not implemented for fixed generator\n");