GEANT321/gdraw/gdson.F

   1 *
   2 * $Id$
   3 *
   4 * $Log$
   5 * Revision 1.1.1.1  1995/10/24 10:20:28  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 GDSON(N,NAME,ISON)
  13 C.
  14 C.    ******************************************************************
  15 C.    *                                                                *
  16 C.    *       Returns in ISON the N-th son of object NAME              *
  17 C.    *                                                                *
  18 C.    *    ==>Called by : GDPRTR, GDSPEC, GDTR1                        *
  19 C.    *       Author : P.Zanarini   *********                          *
  20 C.    *                                                                *
  21 C.    ******************************************************************
  22 C.
  23 #include "geant321/gcbank.inc"
  24 #include "geant321/gcnum.inc"
  25       CHARACTER*4 NAME,ISON
  26 C.
  27 C.    ------------------------------------------------------------------
  28 C.
  29       ISON=' '
  30       CALL GLOOK(NAME,IQ(JVOLUM+1),NVOLUM,IVO)
  31       IF (IVO.LE.0) GO TO 999
  32       JVO=LQ(JVOLUM-IVO)
  33       NIN=Q(JVO+3)
  34       IF (NIN.EQ.0) GO TO 999
  35       IF (NIN.GT.0) GO TO 10
  36       IF (N.NE.1) GO TO 999
  37       JIN=LQ(JVO-1)
  38       GO TO 20
  39    10 JIN=LQ(JVO-N)
  40    20 IVOL=Q(JIN+2)
  41       CALL UHTOC(IQ(JVOLUM+IVOL),4,ISON,4)
  42   999 RETURN
  43       END