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[u/mrichter/AliRoot.git] / GEANT321 / gdraw / gdline.F
1 *
2 * $Id$
3 *
4 * $Log$
5 * Revision 1.1.1.1  1995/10/24 10:20:23  cernlib
6 * Geant
7 *
8 *
9 #include "geant321/pilot.h"
10 *CMZ :  3.21/02 29/03/94  15.41.26  by  S.Giani
11 *-- Author :
12       SUBROUTINE GDLINE(P1,P2)
13 C.
14 C.    ******************************************************************
15 C.    *                                                                *
16 C.    *       Draw a line between points P1 and P2                     *
17 C.    *                                                                *
18 C.    *    ==>Called by : GDLCYL, GDRAWS                               *
19 C.    *       Author : P.Zanarini   *********                          *
20 C.    *                                                                *
21 C.    ******************************************************************
22 C.
23 CM
24 #include "geant321/gcdraw.inc"
25 CM
26       DIMENSION P1(3),P2(3),U(2),V(2),X(3,2)
27       DIMENSION Q1(3),Q2(3)
28       EQUIVALENCE (Q1(1),X(1,1)),(Q2(1),X(1,2))
29 C.
30 C.    ------------------------------------------------------------------
31 C.
32       DO 10 I=1,3
33          Q1(I)=P1(I)
34          Q2(I)=P2(I)
35    10 CONTINUE
36 C
37       CALL GDFR3D(X,2,U,V)
38 C
39 CM             Short circuit in case of GMR
40 C
41       IF ( IGMR .EQ. 0 ) CALL GDRAWV(U,V,2)
42 CM
43       END