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c5ca52b2 | 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 | $Log$ | |
18 | */ | |
19 | ||
20 | #include "AliLegoGeneratorXYZ.h" | |
21 | #include "AliRun.h" | |
22 | ||
23 | ClassImp(AliLegoGeneratorXYZ) | |
24 | ||
25 | ||
26 | //___________________________________________ | |
27 | ||
28 | ||
29 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ() | |
30 | { | |
31 | // Default Constructor | |
32 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
33 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
34 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
35 | } | |
36 | ||
37 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(char* axis) | |
38 | { | |
39 | // Constructor | |
40 | if (!strcmp(axis,"x") || !strcmp(axis,"X")) | |
41 | { | |
42 | fDir1[0]=0.; fDir1[1]=1.; fDir1[2]=0.; | |
43 | fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1.; | |
44 | fDir3[0]=1.; fDir3[1]=0.; fDir3[2]=0.; | |
45 | } | |
46 | else if (!strcmp(axis,"y") || !strcmp(axis,"Y")) | |
47 | { | |
48 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
49 | fDir2[0]=0.; fDir2[1]=0.; fDir2[2]=1; | |
50 | fDir3[0]=0.; fDir3[1]=1.; fDir3[2]=0.; | |
51 | } | |
52 | else if (!strcmp(axis,"z") || !strcmp(axis,"Z")) | |
53 | { | |
54 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
55 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
56 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
57 | } | |
58 | else | |
59 | { | |
60 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
61 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
62 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
63 | } | |
64 | } | |
65 | ||
66 | ||
67 | AliLegoGeneratorXYZ::AliLegoGeneratorXYZ(Int_t nc1, Float_t c1min, | |
68 | Float_t c1max, Int_t nc2, | |
69 | Float_t c2min, Float_t c2max, | |
70 | Float_t rmin, Float_t rmax, Float_t zmax) : | |
71 | AliLegoGenerator(nc1, c1min, c1max, nc2, c2min, c2max, | |
72 | rmin, rmax, zmax) | |
73 | { | |
74 | // Constructor | |
75 | fDir1[0]=1.; fDir1[1]=0.; fDir1[2]=0.; | |
76 | fDir2[0]=0.; fDir2[1]=1.; fDir2[2]=0.; | |
77 | fDir3[0]=0.; fDir3[1]=0.; fDir3[2]=1.; | |
78 | } | |
79 | ||
80 | ||
81 | //___________________________________________ | |
82 | void AliLegoGeneratorXYZ::Generate() | |
83 | { | |
84 | // Create a geantino with kinematics corresponding to the current bins | |
85 | // Here: Coor1 = x | |
86 | // Coor2 = z | |
87 | ||
88 | // | |
89 | // Rootinos are 0 | |
90 | const Int_t kMpart = 0; | |
91 | Float_t orig[3], pmom[3]; | |
92 | ||
93 | // Prepare for next step | |
94 | if(fCoor1Bin>=fNCoor1-1) | |
95 | if(fCoor2Bin>=fNCoor2-1) { | |
96 | Warning("Generate","End of Lego Generation"); | |
97 | return; | |
98 | } else { | |
99 | fCoor2Bin++; | |
100 | printf("Generating rays in Coordinate 2 bin:%d\n",fCoor2Bin); | |
101 | fCoor1Bin=0; | |
102 | } else fCoor1Bin++; | |
103 | ||
104 | ||
105 | fCurCoor1 = (fCoor1Min+(fCoor1Bin+0.5)*(fCoor1Max-fCoor1Min)/fNCoor1); | |
106 | fCurCoor2 = (fCoor2Min+(fCoor2Bin+0.5)*(fCoor2Max-fCoor2Min)/fNCoor2); | |
107 | ||
108 | // Origin and direction | |
109 | Int_t i; | |
110 | for (i=0; i<3; i++) { | |
111 | pmom[i]=fDir3[i]; | |
112 | orig[i]=fCurCoor1*fDir1[i]+fCurCoor2*fDir2[i]; | |
113 | } | |
114 | ||
115 | Float_t dalicz = 3000; | |
116 | if (fRadMin > 0) { | |
117 | Float_t t = PropagateCylinder(orig,pmom,fRadMin,dalicz); | |
118 | orig[0] = pmom[0]*t; | |
119 | orig[1] = pmom[1]*t; | |
120 | orig[2] = pmom[2]*t; | |
121 | if (TMath::Abs(orig[2]) > fZMax) return; | |
122 | } | |
123 | ||
124 | Float_t polar[3]={0.,0.,0.}; | |
125 | Int_t ntr; | |
126 | gAlice->SetTrack(1, 0, kMpart, pmom, orig, polar, 0, "LEGO XYZ ray", ntr); | |
127 | ||
128 | } | |
129 | ||
130 | ||
131 | ||
132 |