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Commit | Line | Data |
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fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:48 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.28 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GCENT(IAX,X0) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C * SUBROUTINE TO CENTRE A SLICE OF THE NLEVEL TH * | |
17 | C * SHAPE, WHEN THE CENTRE OF THE SLICE ALONG AXIS * | |
18 | C * NUMBER IAX AFTER ROTATION BY MATRIX IROT IS AT * | |
19 | C * X0(IAX). THE CENTER IN THE UNROTATED FRAME IS * | |
20 | C * RETURNED. * | |
21 | C * * | |
22 | C. * ==>Called by : GFTRAC, GINVOL, GLVOLU, GMEDIV, GNEXT, * | |
23 | C. * GTMEDI, GTNEXT * | |
24 | C. * Author A.McPherson ********* * | |
25 | C. * * | |
26 | C. ****************************************************************** | |
27 | C. | |
28 | #include "geant321/gcbank.inc" | |
29 | #include "geant321/gcvolu.inc" | |
30 | #include "geant321/gcunit.inc" | |
31 | DIMENSION X0(3),PAR(50),ATT(20) | |
32 | C. | |
33 | C. ------------------------------------------------------------------ | |
34 | C. | |
35 | C | |
36 | IVO=LVOLUM(NLEVEL) | |
37 | JVO=LQ(JVOLUM-IVO) | |
38 | ISH=Q(JVO+2) | |
39 | C | |
40 | IF(ISH.EQ.4) GO TO 20 | |
41 | C | |
42 | C NOT A GENERAL TRAPEZOID. | |
43 | C | |
44 | IF(ISH.EQ.10.AND.IAX.NE.1) GO TO 20 | |
45 | C | |
46 | C NOT A PARALLELEPIPED WITH NON X AXIS SLICING. | |
47 | C | |
48 | DO 10 I=1,3 | |
49 | IF(I.NE.IAX) X0(I)=0.0 | |
50 | 10 CONTINUE | |
51 | C | |
52 | GO TO 999 | |
53 | 20 CONTINUE | |
54 | C | |
55 | C | |
56 | JIN=0 | |
57 | IF(NLEVEL.LE.1) GO TO 30 | |
58 | C | |
59 | IN = LINDEX(NLEVEL) | |
60 | IVOO = LVOLUM(NLEVEL-1) | |
61 | JVOO = LQ(JVOLUM-IVOO) | |
62 | IF (Q(JVOO+3).LT.0.) THEN | |
63 | JIN = LQ(JVOO-1) | |
64 | ELSE | |
65 | JIN = LQ(JVOO-IN) | |
66 | ENDIF | |
67 | C | |
68 | 30 CONTINUE | |
69 | C | |
70 | C | |
71 | IF (NLEVEL.LT.NLDEV(NLEVEL)) THEN | |
72 | JPAR = 0 | |
73 | ELSE | |
74 | * (case with structure JVOLUM locally developed) | |
75 | JPAR = LQ(LQ(JVOLUM-LVOLUM(NLDEV(NLEVEL)))) | |
76 | IF (NLEVEL.EQ.NLDEV(NLEVEL)) GO TO 120 | |
77 | DO 110 ILEV = NLDEV(NLEVEL), NLEVEL-1 | |
78 | IF (IQ(JPAR+1).EQ.0) THEN | |
79 | JPAR = LQ(JPAR-LINDEX(ILEV+1)) | |
80 | IF (JPAR.EQ.0) GO TO 120 | |
81 | ELSE IF (IQ(JPAR-3).GT.1) THEN | |
82 | JPAR = LQ(JPAR-LINDEX(ILEV+1)) | |
83 | ELSE | |
84 | JPAR = LQ(JPAR-1) | |
85 | ENDIF | |
86 | IF (ILEV.EQ.NLEVEL-1) THEN | |
87 | JPAR = JPAR + 5 | |
88 | NPAR = IQ(JPAR) | |
89 | CALL UCOPY (Q(JPAR+1), PAR, NPAR) | |
90 | ENDIF | |
91 | 110 CONTINUE | |
92 | GO TO 130 | |
93 | ENDIF | |
94 | * (normal case) | |
95 | 120 CONTINUE | |
96 | * | |
97 | C | |
98 | CALL GFIPAR(JVO,JIN,IN,NPAR,NATT,PAR,ATT) | |
99 | C | |
100 | 130 CONTINUE | |
101 | IF(ISH.EQ.10) GO TO 40 | |
102 | C | |
103 | C A GENERAL TRAPEZOID | |
104 | C | |
105 | IF(IAX.NE.3) GO TO 41 | |
106 | C | |
107 | X0(1)=PAR(2)*X0(IAX) | |
108 | X0(2)=PAR(3)*X0(IAX) | |
109 | C | |
110 | GO TO 999 | |
111 | C | |
112 | 41 IF(IAX.NE.2) GO TO 900 | |
113 | C | |
114 | X0(1) = X0(IAX)*PAR(7) | |
115 | GO TO 999 | |
116 | C | |
117 | 40 CONTINUE | |
118 | C | |
119 | C PARALLELEPIPED WITH NON X AXIS SLICING. | |
120 | C | |
121 | X0(1)=PAR(IAX+2)*X0(IAX) | |
122 | C | |
123 | IF(IAX.EQ.3) GO TO 50 | |
124 | C | |
125 | X0(3)=0.0 | |
126 | C | |
127 | GO TO 999 | |
128 | 50 CONTINUE | |
129 | C | |
130 | X0(2)=PAR(6)*X0(3) | |
131 | C | |
132 | GO TO 999 | |
133 | C | |
134 | 900 CONTINUE | |
135 | C | |
136 | C GENERAL TRAPEZOID SLICED OTHER THAN IN Z | |
137 | C DOES NOT MAKE SENSE. | |
138 | C | |
139 | WRITE(CHMAIL,1000) ISH,IAX | |
140 | CALL GMAIL(0,0) | |
141 | WRITE(CHMAIL,2000) | |
142 | CALL GMAIL(0,0) | |
143 | 1000 FORMAT(' ISH,IAX =',2I5,' DOES NOT MAKE SENSE.') | |
144 | 2000 FORMAT(' IT IS A GENERAL TRAPEZOID SLICED OTHER THAN IN Z') | |
145 | C | |
146 | C | |
147 | 999 CONTINUE | |
148 | END |