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1 | /************************************************************************** |
| 2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
| 3 | * * |
| 4 | * Author: The ALICE Off-line Project. * |
| 5 | * Contributors are mentioned in the code where appropriate. * |
| 6 | * * |
| 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 | **************************************************************************/ |
| 15 | |
| 16 | /* |
| 17 | $Log$ |
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18 | Revision 1.2 2000/10/02 15:17:54 morsch |
| 19 | Unused includes removed. |
| 20 | |
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21 | Revision 1.1 2000/06/09 20:24:00 morsch |
| 22 | Same class as previously in AliSimpleGen.cxx |
| 23 | All coding rule violations except RS3 corrected (AM) |
| 24 | |
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25 | */ |
| 26 | |
| 27 | /////////////////////////////////////////////////////////////////// |
| 28 | // // |
| 29 | // Generate the final state of the interaction as the input // |
| 30 | // to the MonteCarlo // |
| 31 | // |
| 32 | //Begin_Html |
| 33 | /* |
| 34 | <img src="picts/AliGeneratorClass.gif"> |
| 35 | </pre> |
| 36 | <br clear=left> |
| 37 | <font size=+2 color=red> |
| 38 | <p>The responsible person for this module is |
| 39 | <a href="mailto:andreas.morsch@cern.ch">Andreas Morsch</a>. |
| 40 | </font> |
| 41 | <pre> |
| 42 | */ |
| 43 | //End_Html |
| 44 | // // |
| 45 | /////////////////////////////////////////////////////////////////// |
| 46 | |
| 47 | #include "AliGenFixed.h" |
| 48 | #include "AliRun.h" |
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49 | #include "AliPDG.h" |
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50 | |
| 51 | ClassImp(AliGenFixed) |
| 52 | |
| 53 | //_____________________________________________________________________________ |
| 54 | AliGenFixed::AliGenFixed() |
| 55 | :AliGenerator() |
| 56 | { |
| 57 | // |
| 58 | // Default constructor |
| 59 | // |
| 60 | fIpart = 0; |
| 61 | } |
| 62 | |
| 63 | //_____________________________________________________________________________ |
| 64 | AliGenFixed::AliGenFixed(Int_t npart) |
| 65 | :AliGenerator(npart) |
| 66 | { |
| 67 | // |
| 68 | // Standard constructor |
| 69 | // |
| 70 | fName="Fixed"; |
| 71 | fTitle="Fixed Particle Generator"; |
| 72 | // Generate Proton by default |
| 73 | fIpart=kProton; |
| 74 | } |
| 75 | |
| 76 | //_____________________________________________________________________________ |
| 77 | void AliGenFixed::Generate() |
| 78 | { |
| 79 | // |
| 80 | // Generate one trigger |
| 81 | // |
| 82 | Float_t polar[3]= {0,0,0}; |
| 83 | Float_t p[3] = {fPMin*TMath::Cos(fPhiMin)*TMath::Sin(fThetaMin), |
| 84 | fPMin*TMath::Sin(fPhiMin)*TMath::Sin(fThetaMin), |
| 85 | fPMin*TMath::Cos(fThetaMin)}; |
| 86 | Int_t i, nt; |
| 87 | // |
| 88 | for(i=0;i<fNpart;i++) { |
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89 | gAlice->SetTrack(fTrackIt,-1,fIpart,p,fOrigin.GetArray(),polar,0,kPPrimary,nt); |
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90 | } |
| 91 | } |
| 92 | |
| 93 | //_____________________________________________________________________________ |
| 94 | void AliGenFixed::SetSigma(Float_t sx, Float_t sy, Float_t sz) |
| 95 | { |
| 96 | // |
| 97 | // Set the interaction point sigma |
| 98 | // |
| 99 | printf("Vertex smearing not implemented for fixed generator\n"); |
| 100 | } |
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