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 1.4 2000/12/21 16:24:06 morsch
19 Coding convention clean-up
21 Revision 1.3 2000/11/30 07:12:50 alibrary
22 Introducing new Rndm and QA classes
24 Revision 1.2 2000/10/02 15:17:54 morsch
25 Unused includes removed.
27 Revision 1.1 2000/06/09 20:24:00 morsch
28 Same class as previously in AliSimpleGen.cxx
29 All coding rule violations except RS3 corrected (AM)
35 // Simple particle gun.
36 // Momentum, phi and theta of the partice as well as the particle type can be set.
37 // andreas.morsch@cern.ch
40 <img src="picts/AliGeneratorClass.gif">
43 <font size=+2 color=red>
44 <p>The responsible person for this module is
45 <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>.
51 ///////////////////////////////////////////////////////////////////
53 #include "AliGenFixed.h"
59 //_____________________________________________________________________________
60 AliGenFixed::AliGenFixed()
64 // Default constructor
70 //_____________________________________________________________________________
71 AliGenFixed::AliGenFixed(Int_t npart)
75 // Standard constructor
78 fTitle="Fixed Particle Generator";
79 // Generate Proton by default
83 //_____________________________________________________________________________
84 void AliGenFixed::Generate()
87 // Generate one trigger
89 Float_t polar[3]= {0,0,0};
91 fP[0] = fPMin*TMath::Cos(fPhiMin)*TMath::Sin(fThetaMin);
92 fP[1] = fPMin*TMath::Sin(fPhiMin)*TMath::Sin(fThetaMin);
93 fP[2] = fPMin*TMath::Cos(fThetaMin);
98 gAlice->SetTrack(fTrackIt,-1,fIpart,fP,fOrigin.GetArray(),polar,0,kPPrimary,nt);
102 //_____________________________________________________________________________
103 void AliGenFixed::SetSigma(Float_t sx, Float_t sy, Float_t sz)
106 // Set the interaction point sigma
108 printf("Vertex smearing not implemented for fixed generator\n");