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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:51 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.29 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GMEPOS (JVO, IN, XC, IFL) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C. * Updates the common /GCVOLU/ and the structure JGPAR * | |
17 | C. * for contents positioned. * | |
18 | C. * * | |
19 | C. * For IFL nonzero, it also checks if the point XC is inside * | |
20 | C. * the content. It returns IN = 0, if the point is outside. * | |
21 | C. * Otherwise, it transforms XC in the local system. * | |
22 | C. * * | |
23 | C. * Input : JVO, IN, XC, IFL * | |
24 | C. * Output : IN, XC * | |
25 | C. * * | |
26 | C. * Called by : GDRAW, GMEDIA * | |
27 | C. * Authors : S.Banerjee, R.Brun, F.Bruyant, A.McPherson * | |
28 | C. * * | |
29 | C. ****************************************************************** | |
30 | C. | |
31 | #include "geant321/gcbank.inc" | |
32 | #include "geant321/gcvolu.inc" | |
33 | DIMENSION XC(*) | |
34 | REAL XT(3) | |
35 | C. | |
36 | C. ------------------------------------------------------------------ | |
37 | C. | |
38 | JIN = LQ(JVO-IN) | |
39 | IVOT = Q(JIN+2) | |
40 | JVOT = LQ(JVOLUM-IVOT) | |
41 | IF (NLEVEL.GE.NLDEV(NLEVEL)) THEN | |
42 | * (case with JVOLUM structure locally developed) | |
43 | JPAR = LQ(LQ(JVOLUM-LVOLUM(NLDEV(NLEVEL)))) | |
44 | DO 10 ILEV = NLDEV(NLEVEL), NLEVEL | |
45 | IF (IQ(JPAR+1).EQ.0) THEN | |
46 | IF (ILEV.EQ.NLEVEL) THEN | |
47 | JPAR = LQ(JPAR-IN) | |
48 | ELSE | |
49 | JPAR = LQ(JPAR-LINDEX(ILEV+1)) | |
50 | ENDIF | |
51 | IF (JPAR.EQ.0) GO TO 20 | |
52 | ELSE IF (IQ(JPAR-3).GT.1) THEN | |
53 | JPAR = LQ(JPAR-LINDEX(ILEV+1)) | |
54 | ELSE | |
55 | JPAR = LQ(JPAR-1) | |
56 | ENDIF | |
57 | 10 CONTINUE | |
58 | JPAR = JPAR +5 | |
59 | NPAR = IQ(JPAR) | |
60 | GO TO 30 | |
61 | ENDIF | |
62 | * (normal case) | |
63 | 20 NPAR = Q(JVOT+5) | |
64 | IF (NPAR.EQ.0) THEN | |
65 | JPAR = JIN +9 | |
66 | NPAR = Q(JPAR) | |
67 | ELSE | |
68 | JPAR = JVOT +6 | |
69 | ENDIF | |
70 | * | |
71 | 30 IROTT = Q(JIN+4) | |
72 | IF (IFL.NE.0) THEN | |
73 | C***** Code Expanded From Routine: GITRAN | |
74 | C. | |
75 | C. ------------------------------------------------------------------ | |
76 | C. | |
77 | IF (IROTT .EQ. 0) THEN | |
78 | XT(1) = XC(1) - Q(5+JIN) | |
79 | XT(2) = XC(2) - Q(6+JIN) | |
80 | XT(3) = XC(3) - Q(7+JIN) | |
81 | * | |
82 | ELSE | |
83 | XL1 = XC(1) - Q(5+JIN) | |
84 | XL2 = XC(2) - Q(6+JIN) | |
85 | XL3 = XC(3) - Q(7+JIN) | |
86 | JR = LQ(JROTM-IROTT) | |
87 | XT(1) = XL1*Q(JR+1) + XL2*Q(JR+2) + XL3*Q(JR+3) | |
88 | XT(2) = XL1*Q(JR+4) + XL2*Q(JR+5) + XL3*Q(JR+6) | |
89 | XT(3) = XL1*Q(JR+7) + XL2*Q(JR+8) + XL3*Q(JR+9) | |
90 | * | |
91 | ENDIF | |
92 | C***** End of Code Expanded From Routine: GITRAN | |
93 | CALL GINME (XT, Q(JVOT+2), Q(JPAR+1), IYES) | |
94 | IF (IYES.EQ.0) IN = 0 | |
95 | ENDIF | |
96 | * | |
97 | IF (IN.GT.0) THEN | |
98 | * | |
99 | * Volume found at deeper level | |
100 | * | |
101 | NL1 = NLEVEL | |
102 | NLEVEL = NLEVEL +1 | |
103 | LVOLUM(NLEVEL) = IVOT | |
104 | NAMES(NLEVEL) = IQ(JVOLUM+IVOT) | |
105 | NUMBER(NLEVEL) = Q(JIN+3) | |
106 | LINDEX(NLEVEL) = IN | |
107 | LINMX(NLEVEL) = Q(JVO+3) | |
108 | GONLY(NLEVEL) = Q(JIN+8) | |
109 | IF (LQ(LQ(JVOLUM-IVOT)).EQ.0) THEN | |
110 | NLDEV(NLEVEL) = NLDEV(NL1) | |
111 | ELSE | |
112 | NLDEV(NLEVEL) = NLEVEL | |
113 | ENDIF | |
114 | CALL GTRMUL (GTRAN(1,NL1), GRMAT(1,NL1), Q(JIN+5), IROTT, | |
115 | + GTRAN(1,NLEVEL), GRMAT(1,NLEVEL) ) | |
116 | IQ(JGPAR +NLEVEL) = NPAR | |
117 | LQ(JGPAR -NLEVEL) = JPAR | |
118 | * | |
119 | IF (IFL.NE.0) THEN | |
120 | XC(1) = XT(1) | |
121 | XC(2) = XT(2) | |
122 | XC(3) = XT(3) | |
123 | ENDIF | |
124 | ENDIF | |
125 | * END GMEPOS | |
126 | END |