/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Log$ Revision 1.6 2001/07/27 17:09:36 morsch Use local SetTrack, KeepTrack and SetHighWaterMark methods to delegate either to local stack or to stack owned by AliRun. (Piotr Skowronski, A.M.) Revision 1.5 2001/02/24 11:41:59 morsch SetGun allows specify completely the particle kinematics and position in one go. (FCA) Revision 1.4 2000/12/21 16:24:06 morsch Coding convention clean-up Revision 1.3 2000/11/30 07:12:50 alibrary Introducing new Rndm and QA classes Revision 1.2 2000/10/02 15:17:54 morsch Unused includes removed. Revision 1.1 2000/06/09 20:24:00 morsch Same class as previously in AliSimpleGen.cxx All coding rule violations except RS3 corrected (AM) */ // Simple particle gun. // Momentum, phi and theta of the partice as well as the particle type can be set. // andreas.morsch@cern.ch //Begin_Html /*

The responsible person for this module is Andreas Morsch.

*/
//End_Html
//                                                               //
///////////////////////////////////////////////////////////////////

#include "AliGenFixed.h"
#include "AliRun.h"
#include "AliPDG.h"
  
ClassImp(AliGenFixed)

//_____________________________________________________________________________
AliGenFixed::AliGenFixed()
  :AliGenerator()
{
  //
  // Default constructor
  //
  fIpart = 0;
  fExplicit = kFALSE;
}

//_____________________________________________________________________________
AliGenFixed::AliGenFixed(Int_t npart)
  :AliGenerator(npart)
{
  //
  // Standard constructor
  //
  fName="Fixed";
  fTitle="Fixed Particle Generator";
  // Generate Proton by default
  fIpart=kProton;
  fExplicit = kFALSE;
}

//_____________________________________________________________________________
void AliGenFixed::Generate()
{
  //
  // Generate one trigger
  //
  Float_t polar[3]= {0,0,0};
  if(!fExplicit) {
    fP[0] = fPMin*TMath::Cos(fPhiMin)*TMath::Sin(fThetaMin);
    fP[1] = fPMin*TMath::Sin(fPhiMin)*TMath::Sin(fThetaMin);
    fP[2] = fPMin*TMath::Cos(fThetaMin);
  }
  Int_t i, nt;
  //
  for(i=0;i