GEANT321/gdraw/gviewf.F

   1 *
   2 * $Id$
   3 *
   4 * $Log$
   5 * Revision 1.1.1.1  1995/10/24 10:20:30  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 GVIEWF(U,V,NP)
  13 C.
  14 C.    ******************************************************************
  15 C.    *                                                                *
  16 C.    *       Draw the polyline described by U and V vectors,          *
  17 C.    *       of length NP.                                            *
  18 C.    *                                                                *
  19 C.    *       Depending on IDVIEW it draws on screen (IDVIEW=0)        *
  20 C.    *       or stores in the current view bank (IDVIEW>0).           *
  21 C.    *                                                                *
  22 C.    *       In LINATT (common GCDRAW) there is                       *
  23 C.    *       a bit mask for the line attributes :                     *
  24 C.    *                                                                *
  25 C.    *       Bit  1- 7 = Used by view bank (LENGU)                    *
  26 C.    *       Bit  8-10 = Line width                                   *
  27 C.    *       Bit 11-13 = Line style                                   *
  28 C.    *       Bit 14-16 = Fill area                                    *
  29 C.    *       Bit 17-24 = Line color                                   *
  30 C.    *                                                                *
  31 C.    *    ==>Called by : GDRAWV                                       *
  32 C.    *       Author : P.Zanarini ; S.Giani  *********                 *
  33 C.    *                                                                *
  34 C.    ******************************************************************
  35 C.
  36 #include "geant321/gcbank.inc"
  37 #include "geant321/gcdraw.inc"
  38 #include "geant321/gcunit.inc"
  39 #include "geant321/gcflag.inc"
  40 #include "geant321/gcspee.inc"
  41       DIMENSION U(*),V(*)
  42       SAVE LFILOL
  43       DATA LFILOL/-1/
  44 C.
  45 C.    ------------------------------------------------------------------
  46 C.
  47 C
  48 C             Store on view bank IDVIEW
  49 C
  50       JV=LQ(JDRAW-IDVIEW)
  51       IGU=IGU+1
  52 C
  53    10 IF (IGU.LE.MAXGU) GO TO 20
  54 C
  55 C             Push graphic unit banks
  56 C
  57       IF(MORGU.EQ.0)MORGU=100
  58       MORPUS=MAX(MORGU,MAXGU/4)
  59       JV = LQ(JV-1)
  60       CALL MZPUSH(IXCONS,JV,0,MORPUS,'I')
  61       IF(IEOTRI.NE.0)GO TO 40
  62       JV=LQ(JDRAW-IDVIEW)
  63       JV = LQ(JV-2)
  64       CALL MZPUSH(IXCONS,JV,0,MORPUS,'I')
  65       IF(IEOTRI.NE.0)GO TO 40
  66       JV=LQ(JDRAW-IDVIEW)
  67       MAXGU=MAXGU+MORPUS
  68       GO TO 10
  69 C
  70    20 IF ((IGS+NP).LE.MAXGS) GO TO 30
  71 C
  72 C             Push graphic segment banks
  73 C
  74       IF(MORGS.EQ.0)MORGS=100
  75       MORPUS=MAX(MORGS,MAXGS/4,NP)
  76       JV = LQ(JV-4)
  77       CALL MZPUSH(IXCONS,JV,0,MORPUS,'I')
  78       IF(IEOTRI.NE.0)GO TO 40
  79       JV=LQ(JDRAW-IDVIEW)
  80       JV = LQ(JV-5)
  81       CALL MZPUSH(IXCONS,JV,0,MORPUS,'I')
  82       IF(IEOTRI.NE.0)GO TO 40
  83       JV=LQ(JDRAW-IDVIEW)
  84       MAXGS=MAXGS+MORPUS
  85 *
  86       GO TO 20
  87 C
  88    30 CONTINUE
  89       Q(JV+13)=GTHETA
  90       Q(JV+14)=GPHI
  91       Q(JV+15)=GPSI
  92       Q(JV+16)=GU0
  93       Q(JV+17)=GV0
  94       Q(JV+18)=GSCU
  95       Q(JV+19)=GSCV
  96       JV1=LQ(JV-1)
  97       JV2=LQ(JV-2)
  98       JV4=LQ(JV-4)
  99       JV5=LQ(JV-5)
 100 *
 101       CALL UCOPY(U,Q(JV4+IGS+1),NP)
 102       CALL UCOPY(V,Q(JV5+IGS+1),NP)
 103 C
 104 C             Bit 1- 7 = LENGU
 105 C             Bit 8-24 = Line attribute
 106 C
 107       ISUM=0
 108       CALL MVBITS(LINATT,0,24,ISUM,0)
 109       CALL MVBITS(NP,0,10,ISUM,0)
 110       Q(JV1+IGU)=ISUM
 111 C
 112       Q(JV2+IGU)=IGS+1
 113       IGS=IGS+NP
 114       GO TO 999
 115 C
 116    40 WRITE (CHMAIL,10000)
 117       CALL GMAIL(0,0)
 118 C
 119 10000 FORMAT (' *** GVIEWF ***: Memory overflow in pushing a bank')
 120   999 END