]>
Commit | Line | Data |
---|---|---|
fe4da5cc | 1 | * |
2 | * $Id$ | |
3 | * | |
4 | * $Log$ | |
5 | * Revision 1.1.1.1 1995/10/24 10:20:27 cernlib | |
6 | * Geant | |
7 | * | |
8 | * | |
9 | #include "geant321/pilot.h" | |
10 | *CMZ : 3.21/02 29/03/94 15.41.27 by S.Giani | |
11 | *-- Author : | |
12 | SUBROUTINE GDSARC(R,PHI1,PHI2,X,NP) | |
13 | C. | |
14 | C. ****************************************************************** | |
15 | C. * * | |
16 | C. * Computes and store in X(1..2,1..NP) arc points * | |
17 | C. * (only X and Y coordinates) for GDRWSC * | |
18 | C. * of the circle of radius R centered on Z-axis, * | |
19 | C. * from PHI1 to PHI2, * | |
20 | C. * on a plane parallel to X-Y plane * | |
21 | C. * * | |
22 | C. * ==>Called by : GDRWSC * | |
23 | C. * Author : P.Zanarini ********* * | |
24 | C. * * | |
25 | C. ****************************************************************** | |
26 | C. | |
27 | #include "geant321/gconsp.inc" | |
28 | #include "geant321/gcdraw.inc" | |
29 | #include "geant321/gcunit.inc" | |
30 | DIMENSION X(2,42) | |
31 | SAVE MAXNP | |
32 | DATA MAXNP/42/ | |
33 | C. | |
34 | C. ------------------------------------------------------------------ | |
35 | C. | |
36 | PHIMIN=PHI1 | |
37 | PHIMAX=PHI2 | |
38 | C | |
39 | NP=1 | |
40 | PH=PHIMIN*DEGRAD | |
41 | X(1,1)=R*COS(PH) | |
42 | X(2,1)=R*SIN(PH) | |
43 | C | |
44 | IF(ABS(PHIMAX-PHIMIN).LE.9.) GO TO 20 | |
45 | C | |
46 | I1=PHIMIN/9.0+2 | |
47 | I2=PHIMAX/9.0+1 | |
48 | NAS=I2-I1+1 | |
49 | IF(NAS.LE.0) NAS=NAS+40 | |
50 | IC=I1 | |
51 | C | |
52 | IF (NAS.GT.MAXNP-2) GO TO 30 | |
53 | C | |
54 | DO 10 IAS=1,NAS | |
55 | IF(IC.GT.40) IC=IC-40 | |
56 | NP=NP+1 | |
57 | ICC=IC | |
58 | IF (ICC.LE.0) ICC=40+ICC | |
59 | X(1,NP)=R*GCOS(ICC) | |
60 | X(2,NP)=R*GSIN(ICC) | |
61 | IC=IC+1 | |
62 | 10 CONTINUE | |
63 | C | |
64 | 20 CONTINUE | |
65 | C | |
66 | PH=PHIMAX*DEGRAD | |
67 | NP=NP+1 | |
68 | X(1,NP)=R*COS(PH) | |
69 | X(2,NP)=R*SIN(PH) | |
70 | GO TO 999 | |
71 | C | |
72 | 30 CONTINUE | |
73 | NP=NAS+2 | |
74 | WRITE (CHMAIL,1000) NP | |
75 | CALL GMAIL(0,0) | |
76 | C | |
77 | 1000 FORMAT (' GDSARC: INTERNAL ERROR !!! - NP =',I5) | |
78 | 999 RETURN | |
79 | END |