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 1.8 2000/12/06 15:11:38 morsch
19 Correct double declared data members.
21 Revision 1.7 2000/11/30 07:12:50 alibrary
22 Introducing new Rndm and QA classes
24 Revision 1.6 2000/10/02 21:28:06 fca
25 Removal of useless dependecies via forward declarations
27 Revision 1.5 2000/06/09 20:37:20 morsch
28 All coding rule violations except RS3 corrected
30 Revision 1.4 1999/11/03 17:43:20 fca
31 New version from G.Martinez & A.Morsch
33 Revision 1.3 1999/09/29 09:24:14 fca
34 Introduction of the Copyright and cvs Log
38 #include "AliGenScan.h"
43 AliGenScan::AliGenScan()
61 AliGenScan::AliGenScan(Int_t npart)
76 //____________________________________________________________
77 AliGenScan::~AliGenScan()
82 void AliGenScan::SetRange(Int_t nx, Float_t xmin, Float_t xmax,
83 Int_t ny, Float_t ymin, Float_t ymax,
84 Int_t nz, Float_t zmin, Float_t zmax)
98 //____________________________________________________________
99 void AliGenScan::Generate()
102 // Generate one trigger
105 Float_t polar[3]= {0,0,0};
110 Float_t pmom, theta, phi;
117 dx=(fXCmax-fXCmin)/fNx;
123 dy=(fYCmax-fYCmin)/fNy;
129 dz=(fZmax-fZmin)/fNz;
133 for (Int_t ix=0; ix<fNx; ix++) {
134 for (Int_t iy=0; iy<fNy; iy++) {
135 for (Int_t iz=0; iz<fNz; iz++){
137 origin[0]=fXCmin+ix*dx+2*(random[0]-0.5)*fOsigma[0];
138 origin[1]=fYCmin+iy*dy+2*(random[1]-0.5)*fOsigma[1];
139 origin[2]=fZmin+iz*dz+2*(random[2]-0.5)*fOsigma[2];
140 pmom=fPMin+random[3]*(fPMax-fPMin);
141 theta=fThetaMin+random[4]*(fThetaMax-fThetaMin);
142 phi=fPhiMin+random[5]*(fPhiMax-fPhiMin);
143 p[0] = pmom*TMath::Cos(phi)*TMath::Sin(theta);
144 p[1] = pmom*TMath::Sin(phi)*TMath::Sin(theta);
145 p[2] = pmom*TMath::Cos(theta);
146 SetTrack(fTrackIt,-1,fIpart,p,origin,polar,0,kPPrimary,nt);