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 1.2 2000/11/30 07:12:49 alibrary
19 Introducing new Rndm and QA classes
21 Revision 1.1 2000/10/26 14:18:05 morsch
22 Add new AliLegoGenerator classes:
23 AliLegoGeneratorXYZ: carthesian binning
24 AliLegoGeneratorEta: eta-phi binning
28 #include "AliLegoGeneratorXYZ.h"
31 ClassImp(AliLegoGeneratorXYZ)
34 //___________________________________________
37 AliLegoGeneratorXYZ::AliLegoGeneratorXYZ()
39 // Default Constructor
40 fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.;
41 fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.;
42 fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.;
45 AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(char* axis)
48 if (!strcmp(axis,"x") || !strcmp(axis,"X"))
50 fDir1[0]=0.; fDir1[1]=1.; fDir1[2]=0.;
51 fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1.;
52 fDir3[0]=1.; fDir3[1]=0.; fDir3[2]=0.;
54 else if (!strcmp(axis,"y") || !strcmp(axis,"Y"))
56 fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.;
57 fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1;
58 fDir3[0]=0.; fDir3[1]=1.; fDir3[2]=0.;
60 else if (!strcmp(axis,"z") || !strcmp(axis,"Z"))
62 fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.;
63 fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.;
64 fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.;
68 fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.;
69 fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.;
70 fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.;
75 AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(Int_t nc1, Float_t c1min,
76 Float_t c1max, Int_t nc2,
77 Float_t c2min, Float_t c2max,
78 Float_t rmin, Float_t rmax, Float_t zmax) :
79 AliLegoGenerator(nc1, c1min, c1max, nc2, c2min, c2max,
83 fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.;
84 fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.;
85 fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.;
89 //___________________________________________
90 void AliLegoGeneratorXYZ::Generate()
92 // Create a geantino with kinematics corresponding to the current bins
98 const Int_t kMpart = 0;
99 Float_t orig[3], pmom[3];
101 // Prepare for next step
102 if(fCoor1Bin>=fNCoor1-1)
103 if(fCoor2Bin>=fNCoor2-1) {
104 Warning("Generate","End of Lego Generation");
108 printf("Generating rays in Coordinate 2 bin:%d\n",fCoor2Bin);
113 fCurCoor1 = (fCoor1Min+(fCoor1Bin+0.5)*(fCoor1Max-fCoor1Min)/fNCoor1);
114 fCurCoor2 = (fCoor2Min+(fCoor2Bin+0.5)*(fCoor2Max-fCoor2Min)/fNCoor2);
116 // Origin and direction
118 for (i=0; i<3; i++) {
120 orig[i]=fCurCoor1*fDir1[i]+fCurCoor2*fDir2[i];
123 Float_t dalicz = 3000;
125 Float_t t = PropagateCylinder(orig,pmom,fRadMin,dalicz);
129 if (TMath::Abs(orig[2]) > fZMax) return;
132 Float_t polar[3]={0.,0.,0.};
134 gAlice->SetTrack(1, -1, kMpart, pmom, orig, polar, 0, kPPrimary, ntr);