File: plot.f

package info (click to toggle)
nastran 0.1.95-2
  • links: PTS, VCS
  • area: non-free
  • in suites: sid
  • size: 122,540 kB
  • sloc: fortran: 284,409; sh: 771; makefile: 324
file content (998 lines) | stat: -rw-r--r-- 29,058 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
      SUBROUTINE PLOT (MODE,BUF1,B1,SETID,DEFLST,NOFIND)
C
C     THIS PLOT ROUTINE IS CALLED ONLY BY PARAM
C
      EXTERNAL          ANDF
      LOGICAL TAPBIT   ,STRESS   ,DISP
      INTEGER ANDF     ,ANYDEF   ,AWRD(2)  ,BFRMS    ,B1       ,BUF1   ,
     1        BUFSIZ   ,CASECC   ,D1       ,D2       ,DEFBUF   ,DEFILE ,
     2        DEFID    ,DIRECT   ,DTYPE    ,DEFLST(2),EOR      ,ELSET  ,
     3        ERR(17)  ,GPSET    ,OES1     ,ORIGIN   ,FOR      ,PARM   ,
     4        PBUFSZ   ,PCON     ,PEDGE    ,PLABEL   ,PLTBUF   ,PLTNUM ,
     5        PLTTAP   ,PLTTYP   ,PORIG    ,PPEN     ,PRNT     ,PRJECT ,
     6        PSET     ,PSYMM    ,PSHAPE   ,PSYMBL   ,PVECTR   ,REW    ,
     7        SETID(1) ,SETD     ,SKPTTL   ,STEREO   ,SUBC(2)  ,SUBCAS ,
     8        TRA      ,WHERE    ,WORD     ,NAME(2)  ,SKPLOD   ,THLID  ,
     9        FSCALE   ,FVP      ,OFFSCL   ,ORG
      INTEGER NF(2)    ,F1(10)   ,F2(20)   ,MSG1(19) ,MSG2(17) ,MF4(6) ,
     1        MSG7(13) ,MF3(3,3) ,USED(10)
      INTEGER ALL      ,BOTH     ,CONTUR   ,DEFO     ,ELEM     ,EPID   ,
     1        KEYWD    ,GRID     ,GSPC     ,LAG(2)   ,MAGC(2)  ,TO     ,
     2        MF1(2,5) ,MF2(2,5) ,POIN     ,RANG     ,RQST(17) ,THRU   ,
     3        TIME
      REAL    FRR(17)  ,MAXDEF
      DOUBLE  PRECISION DWRD
      CHARACTER         UFM*23   ,UWM*25
      COMMON /XMSSG /   UFM      ,UWM
      COMMON / PLTSCR / NCOR, PLTSC(50)
      COMMON /BLANK /   NGP      ,SKP11    ,NSETS    ,PRNT     ,PLTNUM ,
     1        NGPSET   ,ANYDEF   ,SKP12(3) ,PARM     ,GPSET    ,ELSET  ,
     2        CASECC   ,SKP21(3) ,DEFILE(3),MERR     ,SETD     ,SKP31  ,
     3        OES1
      COMMON /SYSTEM/   BUFSIZ   ,NOUT     ,DUMMY(66),ISUBS
      COMMON /OUTPUT/   TITLE(32,3)
      COMMON /PLTDAT/   SKPPLT(20),SKPA(10),PLTTAP
      COMMON /XXPARM/   PBUFSZ   ,CAMERA   ,BFRMS    ,SKPCAM(3),
     1        PENPAP(30),SCALE(4),DEFMAX   ,VIEW(15) ,VANPNT(8),PRJECT ,
     2        PROJCT   ,FOR      ,ORG      ,NORG     ,ORIGIN(11),
     3        SKPPAR(77),NCNTR   ,CNTR(50) ,ICNTVL   ,WHERE    ,DIRECT ,
     4        SUBCAS   ,FLAG     ,DATA     ,SKP19(19),ICOLOR   ,SKP235 ,
     5        OFFSCL
      COMMON /DRWDAT/   PSET     ,PLABEL   ,PORIG    ,PPEN     ,PSHAPE ,
     1        PSYMBL(2),PSYMM(6) ,PVECTR   ,PCON     ,PEDGE    ,OFFLAG
      COMMON /PLOTHD/   IUSED
      EQUIVALENCE       (ERR(1),FRR(1))  , (WORD,AWRD(1),IWRD,FWRD,DWRD)
      EQUIVALENCE       (FSCALE,SCALE(3)), (FVP,VANPNT(1))
      EQUIVALENCE       (SKP19(1), LASSET )
      DATA EOR , INPREW,NOREW,REW,SKPTTL,SKPLOD / 1000000,0,2,1,37,5 /
      DATA SUBC/ 4HSUBC, 4HASES/
      DATA NAME/ 4H  PL, 4HOT  /
C
      DATA NF  / 10, 20 /      ,
     1     F1  / 4H(49X, 4H,4HP, 4HLOT,, 4HI9,2, 4HX,16, 4HHUND, 4HEFOR,
     2           4HMED , 4HSHAP, 4HE)   /       ,
     3     F2  / 4H(10X, 4H,4HP, 4HLOT,, 4HI5,3, 4HX,2(, 4HA4,A, 4H3),I,
     4           4H6,10, 4HH - , 4HSUBC, 4HASE,, 4HI8,3, 4HH - , 4H,A4,,
     5           4H1P,E, 4H15.6, 4H,1X,, 4H6A4,, 4HE11., 4H3)  /
C
C     DATA FOR FORMAT F2 - ORDER CORRESPONDING TO DTYPE, +10=VEL,+20=ACC
C
      DATA MF1 / 4HSTAT, 2HIC  , 4HFREQ, 1H.   , 4HTRAN,2HS.  ,
     1           4HMODA, 1HL   , 4HCMOD, 2HAL  /       ,
     2     MF2 / 4HDEFO, 3HRM. , 4HVELO, 1H.   , 4HACCE,2HL.  ,
     3           4HSTRE, 2HSS  , 4HSTRA, 2HIN  /
      DATA IMOD, LOAD  /         4HMODE, 4HLOAD/
      DATA MF3 / 4H- FR, 4HEQUE, 4HNCY , 4H- EI, 4HGENV,4HALUE,
     1           4H- TI, 2HME  , 1H    /       ,
     2     MF4 / 4H PHA, 4HSE L, 4HAG  , 4H MAG, 4HNITU,2HDE  /
C
      DATA NMSG1,NMSG2,  NMSG7 / 19, 17, 13/   ,
     1     MSG1/ 4H(33X, 4H,26H, 4HAN U, 4HNREC, 4HOGNI, 4HZABL, 4HE OP,
     2           4HTION, 4H (,2, 4HA4,3, 4H1H) , 4HWAS , 4HDETE, 4HCTED,
     3           4H ON , 4HA -P, 4HLOT-, 4H CAR, 4HD)  /       ,
     4     MSG2/ 4H(34X, 4H,21H, 4HA NO, 4HN-EX, 4HISTE, 4HNT O, 4HRIGI,
     5           4HN,I7, 4H,31H, 4H  IS, 4H SPE, 4HCIFI, 4HED O, 4HN A ,
     6           4H-PLO, 4HT- C, 4HARD)/       ,
     7     MSG7/ 4H(33X, 4H,41H, 4H*** , 4HINCO, 4HMPLE, 4HTE P, 4HLOT ,
     8           4HDUE , 4HTO I, 4HNPUT, 4H OR , 4HFILE, 4H.)  /
C
C     SET OPTIONS - FOLLOWING THE SET REQUEST(S)
C
      DATA RQST/ 4HSET , 4HORIG, 4HSHAP, 4HSYMB, 4HLABE, 4HVECT, 4HDENS,
     1           4HPEN , 4HSYMM, 4HANTI, 4HMAXI, 4HOUTL, 4HHIDD, 4HSHRI,
     2           4HNOFI, 4HFILL, 4HOFFS/
C
      DATA USED/ 4H(49X, 4H,6HO, 4HRIGI, 4HN,I7, 4H,19H, 4H  US, 4HED I,
     1           4HN TH, 4HIS P, 4HLOT)/
C
C     THE FOLLOWING ARE POSSIBLE OPTIONS ON THE PLOT CARD
C
      DATA DEFO/ 4HDEFO/, LORIG/ 0     /,
     1     ALL / 3HALL /, TO   / 2HTO  /, THRU/ 4HTHRU/, RANG / 4HRANG/,
     2     TIME/ 4HTIME/, BOTH / 4HBOTH/, GRID/ 4HGRID/, POIN / 4HPOIN/,
     3     ELEM/ 4HELEM/, GSPC / 4HGSPC/, LAG / 4HPHAS , 4HLAG        /,
     4     MAGC/ 4HMAGN , 4HIT.        /, EPID/ 4HEPID/,CONTUR/ 4HCONT/
C
      NCNTR  = 10
      ICNTVL = 1
      WHERE  = 1
      LASSET = 0
      DIRECT = 2
      NCOR   = 50
      DO 1 I = 1, 50
      PLTSC(I) = 0
      CNTR(I)  = 0
1     CONTINUE
      PLTBUF = B1 - PBUFSZ
      DEFBUF = PLTBUF - BUFSIZ
      IF (DEFBUF .LE. 0) GO TO 1400
      V1     =-1.E+30
      V2     =+1.E+30
      PH     = 0.0
      MAG    = 0
      PCON   = 0
      LOADID = 0
      LPCON  = 0
      FLAG   = 0.0
      SUBCAS = 0
      DEFID  = 0
      DISP   =.FALSE.
      STRESS =.FALSE.
      TWOPI  = 8.0*ATAN(1.0)
      NDEF   = 0
      NOGO   = 0
      CALL RDMODX (PARM,MODE,WORD)
C
   10 IF (MODE .LE. 0) CALL RDMODE (*10,*20,*40,MODE,WORD)
   20 CALL RDWORD (MODE,WORD)
C
C     CHECK FOR A DEFORMATION TYPE
C
      DO 30 DTYPE = 1,5
      IF (WORD .EQ. MF1(1,DTYPE)) GO TO 50
   30 CONTINUE
   40 DTYPE = 0
      IF (WORD.NE.CONTUR .OR. MODE.GE.EOR) GO TO 180
      PCON  = 1
      PLTTYP= 1
      GO TO 90
C
C     DEFORMATION TYPE SPECIFIED. CHECK IF ALL ARE TO BE PLOTTED
C
   50 PLTTYP = 1
      IF (MODE .LE. 0) CALL RDMODE (*120,*60,*110,MODE,WORD)
   60 CALL RDWORD (MODE,WORD)
      DO 70 PLTTYP = 1,3
      IF (WORD .EQ. MF2(1,PLTTYP)) GO TO 80
   70 CONTINUE
      PLTTYP = 1
      IF (WORD .NE. CONTUR) GO TO 110
      PCON = 1
      GO TO 80
C
C     ACCEL, VELOCITY ONLY ALLOWED FOR TRANS OR FREQUENCY RESPONSE.
C     NOTE THAT A COMPLEX  IGENVALUE WOULD BE NEEDED FOR -CMODAL-
C
   80 IF ((DTYPE.EQ.2 .OR. DTYPE.EQ.3) .OR. PLTTYP.EQ.1) GO TO 90
      ERR(1) = 2
      ERR(2) = AWRD(1)
      ERR(3) = AWRD(2)
      CALL WRTPRT (MERR,ERR,MSG1,NMSG1)
      PLTTYP = 1
   90 IF (MODE .LE. 0) CALL RDMODE (*120,*100,*110,MODE,WORD)
  100 CALL RDWORD (MODE,WORD)
  110 NDEF = 1
      DEFLST(1) = ALL
      GO TO 180
C
C     THE DEFORMATIONS MAY BE EXPLICITLY LISTED AND/OR A RANGE MAY BE
C     LISTED (I.E., N1,N2 AND/OR N1 -TO/THRU- N2)
C
  120 ASSIGN 130 TO TRA
      GO TO 1450
  130 NDEF = NDEF + 1
      DEFLST(NDEF) = IWRD
      CALL RDMODE (*1450,*140,*170,MODE,WORD)
  140 CALL RDWORD (MODE,WORD)
      IF (MODE.NE.0 .OR. (WORD.NE.TO .AND. WORD.NE.THRU)) GO TO 170
      ASSIGN 150 TO TRA
      CALL RDMODE (*1450,*160,*170,MODE,WORD)
  150 DEFLST(NDEF+1) = TO
      DEFLST(NDEF+2) = IWRD
      NDEF = NDEF + 2
      CALL RDMODE (*120,*160,*170,MODE,WORD)
  160 CALL RDWORD (MODE,WORD)
  170 IF (NDEF.NE.1 .OR. DEFLST(1).NE.0) GO TO 180
      NDEF = 2
      DEFLST(2) = ALL
C
C     ALL THE LISTED DEFORMATION ID-S HAVE BEEN READ
C
  180 DEFLST(NDEF+1) = 0
      IF (MODE .GE. EOR) GO TO 340
C
C     TEST FOR CONTOUR REQUEST
C
  190 IF (WORD .NE. CONTUR) GO TO 240
      IF (PCON .EQ.      0) GO TO 220
  200 ERR(2) = AWRD(1)
      ERR(3) = AWRD(2)
  210 ERR(1) = 2
      CALL WRTPRT (MERR,ERR,MSG1,NMSG1)
      GO TO 320
C
  220 PCON = 1
      IF (DTYPE .EQ. 0) PLTTYP = 1
      IF (NDEF  .NE. 1) GO TO 230
      NDEF = 0
      GO TO 90
  230 IF (MODE .GT. 0) GO TO 320
      ERR(2) = SUBC(1)
      ERR(3) = SUBC(2)
      GO TO 210
C
C     TEST FOR RANGE / TIME  (UNITS=LAMDA,F, OR TIME)
C
  240 IF (WORD.NE.RANG .AND. WORD.NE.TIME) GO TO 270
      IF (PCON.EQ.0 .AND. DTYPE.EQ.1) GO TO 200
      ASSIGN 250 TO TRA
      IF (MODE .GT. 0) GO TO 200
      CALL RDMODE (*1490,*330,*340,MODE,WORD)
  250 V1 = FWRD
      ASSIGN 260 TO TRA
      CALL RDMODE (*1490,*330,*340,MODE,WORD)
  260 V2 = FWRD
      GO TO 320
C
C     TEST FOR PHASE LAG (COMPLEX DATA)
C
  270 IF (WORD .NE. LAG(1)) GO TO 310
      IF (DTYPE.NE.2 .AND. DTYPE.NE.5) GO TO 200
      ASSIGN 300 TO TRA
  280 IF (MODE .LE. 0) CALL RDMODE (*1490,*290,*340,MODE,WORD)
  290 CALL RDWORD (MODE,WORD)
      IF (WORD .EQ. LAG(2)) GO TO 280
      GO TO 340
  300 IF (MAG.EQ.0) PH = FWRD
      GO TO 320
C
C     TEST FOR MAGNITUDE (COMPLEX DATA)
C
  310 IF (WORD .NE. MAGC(1)) GO TO 340
      IF (DTYPE.NE.2 .AND. DTYPE.NE.5) GO TO 200
      IF (PH .EQ. 0.0) MAG = 1
      GO TO 320
C
  320 IF (MODE .LE. 0) CALL RDMODE (*320,*330,*340,MODE,WORD)
  330 CALL RDWORD (MODE,WORD)
      GO TO 190
C
C     READ THE REST OF THE PLOT CARD INTO STORAGE - DEFLST(N1-N2)
C
  340 N1 = NDEF + 1
      N2 = N1 + 1
      IF (MODE .LT. EOR) GO TO 350
      DEFLST(N2) = MODE
      N2 = N2 + 1
      GO TO 400
  350 N  = 0
  360 DEFLST(N2+1) = AWRD(1)
      DEFLST(N2+2) = AWRD(2)
      N2 = N2 + 2
      N  = N  + 1
      IF (MODE .EQ. 0) GO TO 370
      CALL RDWORD (MODE,WORD)
      GO TO 360
  370 N2 = N2 + 1
      DEFLST(N1+1) = N
  380 CALL READ (*1520,*390,PARM,DEFLST(N2),DEFBUF-N2+1,0,N)
      GO TO 1400
  390 N2 = N2 + N
C
C     SAVE LENGTH OF OPEN CORE USED IN IUSED FOR HDPLOT
C
      IUSED = N2 + NSETS
      IF (DEFLST(N2-1) .EQ. 0) GO TO 380
  400 N2 = N2 - 1
C
C     INITIATE THE PLOTS OF THE REQUESTED DEFORMATIONS.
C
      NPLOTS = 0
      IF (PRNT .LT. 0) GO TO 420
      IF (DTYPE.EQ.0 .AND. PCON.EQ.0) GO TO 410
      ANYDEF = 1
      GO TO 1430
C
C     DO THE UNDEFORMED PLOT
C
  410 DEFID  = 0
      DEFBUF = DEFBUF + BUFSIZ
      IF (ISUBS.EQ.0 .AND. .NOT.TAPBIT(PLTTAP)) GO TO 1520
      GO TO 700
  420 IF (DTYPE.EQ.0 .AND. PCON.EQ.0) GO TO 1430
C
C     DO THE DEFORMED PLOT
C
C     STRESS IS TRUE IF CONTOUR REQUEST IS FOR STRESS
C
      LPCON = PCON
      IF (.NOT.TAPBIT(PLTTAP)) GO TO 1520
      IF (PCON.NE.0 .AND. ICNTVL.LE. 9) STRESS = .TRUE.
      IF (PCON.NE.0 .AND. ICNTVL.GT.13) STRESS = .TRUE.
      IF ((PCON.NE.0 .AND. (ICNTVL.GT.9.AND.ICNTVL.LT.14)) .OR.
     1    DTYPE.NE.0) DISP = .TRUE.
      IF (.NOT.DISP) GO TO 470
      MDEF = DEFILE(1)
      IF (DTYPE .GT. 1) MDEF = DEFILE(2)
      IF (DTYPE .GT. 0) GO TO 460
C
C     USER SPECIFIED CONTOUR DISP AND NOT THE TYPE
C     USE FIRST NON-NULL FILE
C
  430 CALL OPEN (*440,MDEF,DEFLST(DEFBUF),INPREW)
      CALL SKPREC (MDEF,1)
      GO TO 450
  440 IF (MDEF .EQ. DEFILE(2)) CALL MESAGE (-1,MDEF,NAME)
      MDEF = DEFILE(2)
      GO TO 430
C
C     SET DTYPE BY MFILE
C
  450 CALL READ (*1390,*1390,MDEF,ERR(1),2,0,I)
      MFILE = MOD(ERR(2),10)
      DTYPE = MFILE
      CALL CLOSE (MDEF,REW)
  460 CONTINUE
C
C     CALCULATE HEADER WORD 2 NEEDED FOR PLOT FILE CHECK
C
      MFILE = DTYPE
      IF (DTYPE .EQ. 3) MFILE = 3 + (PLTTYP-1)*10
C
C     OPEN OES1 AND MDEF
C
      IF (.NOT.DISP) GO TO 470
      CALL OPEN (*1430,MDEF,DEFLST(DEFBUF),INPREW)
      CALL SKPREC (MDEF,1)
  470 IF (.NOT.STRESS) GO TO 500
      CALL OPEN (*1390,OES1,DEFLST(B1),INPREW)
      CALL SKPREC (OES1,1)
      IF (.NOT.DISP) PLTTYP = 4
      CALL FREAD  (OES1,I,1,0)
      CALL BCKREC (OES1)
      I = I/10
      JAPP = I
      IF (DTYPE .NE. 0) GO TO 475
      IF (I.EQ.1 .OR. I.EQ.3 .OR. I.EQ.4 .OR. I.EQ.7 .OR. I.EQ.10)
     1    DTYPE = 1
      IF (I.EQ.2 .OR. I.EQ.8) DTYPE = 4
      IF (I .EQ. 6) DTYPE = 3
C
C     FOR STRESS PLOTS SET -FLAG- SO FNDSET KNOWS WHICH WORD TO COMPARE
C
  475 IF (DTYPE .EQ. 1) GO TO 480
      IF (DTYPE .GT. 1) FLAG = 1.0
      IF (DTYPE .GT. 3) FLAG = 2.0
  480 IF (DTYPE .EQ. 0) GO TO 1410
      IF (.NOT.DISP) DEFBUF = DEFBUF + BUFSIZ
C
C     READ THE PLOT TITLES FOR EACH DEFORMED SHAPE TO BE DRAWN
C
  500 PCON = LPCON
      IF (.NOT.DISP) GO TO 540
  510 CALL READ  (*1385,*1385,MDEF,DEFID,1,0,I)
      CALL FREAD (MDEF,N,1,0)
      IF (N .EQ. MFILE) GO TO 515
      CALL SKPREC (MDEF,1)
      GO TO 530
  515 CONTINUE
      CALL FREAD (MDEF,LOADID,1,0)
      CALL FREAD (MDEF,VALUE, 1,1)
      IF (VALUE.LT.V1 .OR. VALUE.GT.V2) GO TO 530
      DATA   = VALUE
      SUBCAS = DEFID
      N = 1
  520 IF (DEFLST(N) .EQ. ALL) GO TO 540
      CALL INTLST (DEFLST,N,I,D1,D2)
      IF (DEFID.GE.D1 .AND. DEFID.LE.D2) GO TO 540
      IF (N .LT. N1) GO TO 520
  530 CALL SKPREC (MDEF,1)
      GO TO 510
C
C     POSITION OES1 IF NEEDED
C
  540 IF (.NOT.STRESS) GO TO 660
      IF (NPLOTS .NE. 0) CALL OPEN (*1390,OES1,DEFLST(B1),NOREW)
  550 CALL READ (*1385,*1385,OES1,IAPP,1,0,I)
C
C     VERIFY OES1 IS FOR CURRENT DTYPE
C
      IAPP = IAPP/10
      IF (IAPP .NE. JAPP) GO TO 1385
      CALL FREAD (OES1,0,-2,0)
      CALL FREAD (OES1,I,1,0)
      IF (.NOT.DISP ) GO TO 570
      IF (I.NE.DEFID) GO TO 620
  570 SUBCAS = I
      V = VALUE
      CALL FREAD (OES1,ERR(1),4,0)
      IF (DTYPE .EQ. 1) GO TO 575
      IF (DTYPE .GE. 4) GO TO 580
C
C     TRANSIENT
C
      V = FRR(1)
C
C     STATICS
C
  575 J = ERR(4)
      GO TO 590
C
C     MODAL
C
  580 J = ERR(1)
      V = FRR(2)
      IF (DTYPE.EQ.4 .AND. IAPP.EQ.2) V = SQRT(ABS(V))/TWOPI
  590 IF (.NOT.DISP) GO TO 600
C
C     ACCOUNT FOR ROUNDOFF
C
      IF (ABS(V-VALUE) .GT. 1.0E-6) GO TO 620
      DATA = VALUE
      GO TO 650
  600 IF (V.LT.V1 .OR. V.GT.V2) GO TO 620
      DATA = V
      N = 1
  610 IF (DEFLST(N) .EQ. ALL) GO TO 650
      CALL INTLST (DEFLST,N,I,D1,D2)
      IF (SUBCAS.GE.D1 .AND. SUBCAS.LE.D2) GO TO 650
      IF (N .LT. N1) GO TO 610
C
C     WRONG CASE
C
  620 CALL FWDREC (*1410,OES1)
      CALL FWDREC (*1410,OES1)
      GO TO 550
C
C     LOCATED CASE TO PLOT
C
  650 CALL BCKREC (OES1)
      LOADID = J
      DEFID  = SUBCAS
      VALUE  = DATA
C
  660 CALL GOPEN (CASECC,DEFLST(BUF1),INPREW)
  670 CALL READ  (*690,*690,CASECC,N,1,0,I)
      IF (N .EQ. DEFID) GO TO 675
      CALL FREAD (CASECC,0,0,1)
      GO TO 670
  675 CALL FREAD (CASECC,0,-SKPLOD,0)
      CALL FREAD (CASECC,THLID,1,0)
      IF (LOADID .EQ. 0) LOADID = THLID
      SKPTTL = 31
      CALL FREAD (CASECC,0,-SKPTTL,0)
      CALL FREAD (CASECC,TITLE,3*32,0)
      CALL CLOSE (CASECC,REW)
      GO TO 700
  690 CALL CLOSE (CASECC,REW)
      IF (.NOT.DISP) GO TO 550
      CALL FREAD (MDEF,0,0,1)
      GO TO 510
C
C     IDENTIFY THE PLOT
C
  700 PLTNUM = PLTNUM + 1
      IF (STRESS) CALL CLOSE (OES1,NOREW)
      CALL SOPEN (*1430,PLTTAP,DEFLST(PLTBUF),PBUFSZ)
      NCNTR = -IABS(NCNTR)
      IF (NPLOTS .EQ. 0) CALL PLTOPR
      NPLOTS = NPLOTS + 1
      STEREO = 0
      MTYP   = 0
      ERR(2) = PLTNUM
      IF (.NOT.(DISP .OR. STRESS)) GO TO 720
      ERR(3) = MF1(1,DTYPE)
      ERR(4) = MF1(2,DTYPE)
      IF (ICNTVL .EQ. 20) PLTTYP = 4
      ERR(5) = MF2(1,PLTTYP)
      ERR(6) = MF2(2,PLTTYP)
      ERR(7) = DEFID
      ERR(8) = LOADID
      ERR(9) = LOAD
      IF (DTYPE .NE. 1) GO TO 710
      ERR(1) = 8
      GO TO 730
  710 ERR(1) = 12
      IF (DTYPE .GT. 3) ERR(9) = IMOD
      FRR(10) = VALUE
      MTYP = 1
      IF (DTYPE .EQ. 3) MTYP = 3
      IF (DTYPE.EQ.4 .AND. LOADID.LT.0) MTYP = 2
      IF (MTYP .EQ. 2) ERR(8) = -LOADID
      ERR(11) = MF3(1,MTYP)
      ERR(12) = MF3(2,MTYP)
      ERR(13) = MF3(3,MTYP)
      IF (DTYPE.EQ.3 .OR. DTYPE.EQ.4) GO TO 730
      ERR(1) = 15
      M = 0
      IF (MAG .NE. 0) M = 3
      ERR(14) = MF4(M+1)
      ERR(15) = MF4(M+2)
      ERR(16) = MF4(M+3)
      IF (MAG .NE. 0) GO TO 730
      ERR(1)  = 16
      FRR(17) = PH
      GO TO 730
  720 ERR(1) = 1
      CALL WRTPRT (MERR,ERR,F1,NF(1))
      GO TO 740
  730 CALL WRTPRT (MERR,ERR,F2,NF(2))
  740 CALL STPLOT (PLTNUM)
      CALL HEAD (DTYPE,PLTTYP,MTYP,ERR)
C
C     PLOT EACH SET REQUESTED. INTERPRET THE ASSOCIATED REQUESTS.
C
  750 CALL RDMODY (DEFLST(N1+1),MODE,WORD)
      MODE   = 0
      MAXDEF = 0.
      PORIG  = 1
      PPEN   = 1
      PSET   = 0
  760 PLABEL = -1
      PCON   = LPCON
      PSHAPE = 1
      PVECTR = 0
      OFFLAG = 0
      PEDGE  = 0
      PSYMBL(1) = 0
      PSYMBL(2) = 0
      PSYMM(1) = 1
      PSYMM(2) = 1
      PSYMM(3) = 1
      PSYMM(4) = 1
      PSYMM(5) = 1
      PSYMM(6) = 1
  780 IF (MODE .LE. 0) CALL RDMODE (*780,*790,*1180,MODE,WORD)
  790 CALL RDWORD (MODE,WORD)
C
C     CHECK FOR THE KEYWORD. THIS MAY BE FOLLOWED BY QUALIFIERS
C
  800 CONTINUE
      DO 802 KEYWD = 1,17
      IF (WORD .EQ. RQST(KEYWD)) GO TO 804
  802 CONTINUE
      GO TO 1170
  804 GO TO (1080, 910, 960, 990, 830,1060, 810, 810,1020,1020,
     1        880,1140,1148,1142,1175, 805,1160), KEYWD
C
C             SET ORIG SHAP SYMB LABE VECT DENS  PEN SYMM ANTI
C    1       MAXI OUTL HIDD SHRI NOFI FILL OFFS
C
C     FILL ELEMENTS BY SET HERE
C     FILL PRESENTLY DOES NOT WORK TOGETHER WITH SHRINK AND HIDDEN
C
  805 PPEN  = PPEN + 31
      PEDGE = 100
      GO TO 780
C
C     DENSITY I, PEN I
C
  810 IF (MODE .NE. 0) GO TO 1170
      ASSIGN 820 TO TRA
      GO TO 1440
  820 PPEN = IWRD
      GO TO 780
C
C     LABEL GRID / ELEMENTS
C
  830 PLABEL = 0
      IF (MODE .LE. 0) CALL RDMODE (*780,*840,*1180,MODE,WORD)
  840 CALL RDWORD (MODE,WORD)
      IF (WORD .EQ. BOTH) GO TO 870
      IF (WORD .EQ. ELEM) GO TO 860
      IF (WORD .NE. GRID) GO TO 872
      IF (MODE .LE. 0) CALL RDMODE (*780,*850,*1180,MODE,WORD)
  850 CALL RDWORD (MODE,WORD)
      IF (WORD-POIN) 800,780,800
  860 PLABEL = 3
      GO TO 780
  870 PLABEL = 6
      GO TO 780
  872 IF (WORD .EQ. GSPC) PLABEL = 1
      IF (WORD .EQ. EPID) PLABEL = 4
      IF (PLABEL .NE.  0) GO TO 780
      GO TO 800
C
C     MAXIMUM DEFORMATION X.X
C
  880 CONTINUE
      ASSIGN 900 TO TRA
      IF (MODE .LE. 0) CALL RDMODE (*1490,*890,*1180,MODE,WORD)
  890 CALL RDWORD (MODE,WORD)
      IF (WORD.NE.DEFO .OR. MODE.NE.0) GO TO 800
      GO TO 1480
  900 MAXDEF = ABS(FWRD)
      GO TO 780
C
C     ORIGIN I
C
  910 IF (MODE .NE. 0) GO TO 1170
      ASSIGN 920 TO TRA
      GO TO 1440
  920 DO 930 I = 1,ORG
      IF (ORIGIN(I) .EQ. IWRD) GO TO 940
  930 CONTINUE
      IF (STEREO .NE. 0) GO TO 780
      ERR(1) = 1
      ERR(2) = IWRD
      CALL WRTPRT (MERR,ERR,MSG2,NMSG2)
      GO TO 780
  940 PORIG  = I
      GO TO 780
C
C     SHAPE
C
  960 IF (PEDGE .NE. 0) GO TO 1170
      IF ((.NOT.(DISP .OR. STRESS) .AND. DTYPE .NE. 0)) GO TO 1170
      IF (.NOT.DISP) GO TO 780
      PSHAPE = 2
      DO 970 I = 1,NDEF
      IF (DEFLST(I) .EQ. 0) GO TO 980
  970 CONTINUE
      GO TO 780
  980 PSHAPE = 3
      GO TO 780
C
C     SYMBOL I,I
C
  990 PSYMBL(1) = 1
      IF (MODE .NE. 0) GO TO 1170
      ASSIGN 1010 TO TRA
      I = 0
 1000 I = I + 1
      GO TO 1440
 1010 PSYMBL(I) = IWRD
      IF (I-2) 1000,780,780
C
C     SYMMETRY B / ANTISYMMETRY B
C
 1020 N = 1
      IF (KEYWD .EQ. 10) N = -1
      IF (MODE  .LE.  0) GO TO 1170
      CALL RDWORD (MODE,WORD)
      CALL INTVEC (WORD)
      IF (WORD.LT.1 .OR. WORD.GT.7) GO TO 1170
      DO 1050 I = 1,3
      PSYMM(I) = 1
      IF (ANDF(WORD,2**(I-1)) .NE. 0) PSYMM(I) = -1
      PSYMM(I+3) = N*PSYMM(I)
 1050 CONTINUE
      GO TO 780
C
C     VECTOR B
C
 1060 IF (.NOT.DISP .OR. MODE .EQ. 0) GO TO 1170
      CALL RDWORD (MODE,WORD)
      PVECTR = WORD
      GO TO 780
C
C     SET -  SAVE FIRST ENCOUNTERED, DO PLOT WHEN EOR OR ANOTHER SET
C
 1080 IF (MODE .NE. 0) GO TO 1170
      ASSIGN 1090 TO TRA
      GO TO 1440
 1090 IWRD = IABS(IWRD)
      DO 1100 I = SETD,NSETS
      IF (IWRD .EQ. SETID(I)) GO TO 1120
 1100 CONTINUE
      IF (STEREO .NE. 0) GO TO 1110
      WRITE  (NOUT,1105) UFM,IWRD
 1105 FORMAT (A23,' 700, SET',I9,' REQUESTED ON PLOT CARD HAS NOT BEEN',
     1       ' DEFINED.')
      NOGO = 1
 1110 IWRD = SETD
      GO TO 1130
 1120 IWRD = I
 1130 IF (PSET .NE. 0) GO TO 1180
      PSET = IWRD
      GO TO 780
C
C     OUTLINE
C
 1140 IF (PSHAPE .NE. 1) GO TO 1170
      IF (PCON   .EQ. 0) GO TO 780
      PEDGE = 1
      GO TO 1149
C
C     SHRINK
C
 1142 IF (PEDGE .NE. 2) PEDGE = 75
      IF (PEDGE .EQ. 2) PEDGE = 75 + 200
C                           SHRINK + HIDDEN
C
      IF (MODE .GT. 0) GO TO 780
      CALL RDMODE (*1144,*1143,*1180,MODE,WORD)
 1143 CALL RDWORD (MODE,WORD)
      GO TO 1149
 1144 IF (MODE.EQ.-2 .AND. FWRD.GT.0.0 .AND. FWRD.LE.1.0) GO TO 1147
      WRITE  (NOUT,1145) UWM
 1145 FORMAT (A25,', INPUT VALUE ERROR FOR SHRINK.  0.85 IS SUBSTITUED')
      IF (MODE .EQ. -1) WRITE (NOUT,1146) IWRD
 1146 FORMAT (5X,'FOR INTEGER VALUE',I5)
      FWRD = 0.85
 1147 J = FWRD*100
      IF (J .LT.  10) J =  10
      IF (J .GT. 100) J = 100
      IF (PEDGE .NE. 2) PEDGE = J
      IF (PEDGE .EQ. 2) PEDGE = J + 200
C                          SHRINK + HIDDEN
C
      GO TO 1149
C
C     HIDDEN
C
 1148 IF (PEDGE .LT. 10) PEDGE = 2
      IF (PEDGE.GE.10 .AND. PEDGE.LE.100) PEDGE = 200 + PEDGE
C                                              HIDDEN + SHRINK
 1149 IF (.NOT.DISP) GO TO 780
      DO 1150 I = 1,NDEF
      IF (DEFLST(I) .EQ. 0) GO TO 1155
 1150 CONTINUE
      PSHAPE = 2
      GO TO 780
 1155 PSHAPE = 3
      GO TO 780
C
C     OFFSET n
C     TURN OFFSET PLOT ON  IF n IS .GE. 0. +n IS MAGNIFYING FACTOR
C     TURN OFFSET PLOT OFF IF n IS .LT. 0
C
C
 1160 IF (MODE .NE. 0) GO TO 1170
      ASSIGN 1165 TO TRA
      GO TO 1440
 1165 OFFSCL = IWRD
      IF (OFFSCL .GE. 0) PEDGE = 3
      GO TO 780
C
C     UNRECOGNIZABLE OPTION ON THE -PLOT- CARD.
C
 1170 IF (STEREO .NE. 0) GO TO 780
      ERR(1) = 2
      ERR(2) = AWRD(1)
      ERR(3) = AWRD(2)
      CALL WRTPRT (MERR,ERR,MSG1,NMSG1)
      GO TO 780
C
C     NOFIND
C
C     COMMENTS FROM G.CHAN/UNISYS  11/1990
C     THE 'NOFIND' FEATURE IN NASTRAN PLOTTING COMMANDS IS REALLY NOT
C     NEEDED. IT ONLY LIMITS TO PREVIOUS PLOT CASE. THE FOLLOWING TWO
C     EXAMPLES GIVE EXACTLY THE SAME RESULT IN $ PLOT 2
C
C     $ PLOT 1                           $ PLOT 1
C     FIND SCALE, ORIGIN 100, SET 2      FIND SCALE, ORIGIN 100, SET 2
C     PLOT ORIGIN 100                    PLOT ORIGIN 100
C     $ PLOT 2                           $ PLOT 2
C     PLOT ORIGIN 100                    PLOT NOFIND
C       :
C     (NOTE - ORIGIN 100 IS STILL AVAILABLE
C      IN ANY FOLLOWING PLOT)
C     $ PLOT N
C     PLOT ORIGIN 100
C
 1175 NOFIND = +1
      IF (LORIG .EQ. 0) GO TO 1530
      PORIG  = LORIG
      GO TO 780
C
C
 1180 IF (NOFIND .GE. 0) GO TO 1185
      IF (FSCALE.NE.0 .OR. FOR.NE.0) GO TO 1182
      IF (PRJECT.EQ.1 .OR. FVP.EQ.0) GO TO 1185
 1182 FORG  = 1
      FSCALE= 1
      ISETD = SETD
      SETD  = MAX0(SETD,PSET)
      MODEX = MODE
      MODE  = -1
      ORG   = MAX0(1,ORG)
      CALL FIND (MODE,BUF1,B1,SETID,DEFLST)
      NOFIND= +1
      SETD  = ISETD
      MODE  = MODEX
C
C     PLOT THIS SET
C
 1185 IF (.NOT.DISP) GO TO 1210
      IF (PVECTR.NE.0 .OR. PSHAPE.NE.1 .OR. PEDGE.NE.0) GO TO 1210
      IF (PCON.NE.0 .AND. ICNTVL.GT. 9) GO TO 1210
      IF (PCON.NE.0 .AND. ICNTVL.GT.13) GO TO 1210
C
C     CREATE A DEFAULT OF SHAPE OR SHAPE + UNDERLAY
C
      DO 1190 I = 1,NDEF
      IF (DEFLST(I) .EQ. 0) GO TO 1200
 1190 CONTINUE
      PSHAPE = 2
      GO TO 1210
 1200 PSHAPE = 3
 1210 PSET = MAX0(PSET,SETD)
C
C     DEFAULT OF FIRST DEFINED SET WILL BE USED
C
      CALL GOPEN  (GPSET,DEFLST(B1),INPREW)
      CALL SKPREC (GPSET,PSET)
      CALL FREAD  (GPSET,NGPSET,1,0)
C
C     TEST FOR CORE NEEDED FOR BOTH UNDEF, DEFOR PLOTS, GRID INDEX
C
      I1 = N2 + NGP + 1
C
C     UNDEFORMED COORDINATES
C
      I2 = I1 + 3*NGPSET
C
C     DEFORMATION VALUES
C
      I3 = I2 + 3*NGPSET
C
C     REDUCE CORE FOR UNDEFORMED PLOTS
C
      IF (DISP) GO TO 1230
      I3 = I2
      N  = 0
      GO TO 1240
C
C     DEFORMED PLOTS NEED X-Y LOCATIONS OF RESULTANT DEFLECTIONS ON
C     FRAME
C
 1230 N = 2*NGPSET
C
 1240 IF (I3+N-1 .GE. DEFBUF) GO TO 1400
      IUSED = MAX0(I3+N-1,IUSED+NGP)
C
      CALL FREAD (GPSET,DEFLST(N2+1),NGP,0)
      CALL CLOSE (GPSET,REW)
      CALL FNDSET (DEFLST(N2+1),DEFLST(I1),BUF1-N2,0)
C
      CALL GOPEN (ELSET,DEFLST(B1),INPREW)
      IF (PSET .EQ. 1) GO TO 1280
      CALL SKPREC (ELSET,PSET-1)
C
 1280 IF (.NOT.STRESS) GO TO 1290
      IF (ICNTVL.LT.4 .OR. DIRECT.NE.2) GO TO 1290
      I = B1 + BUFSIZ
      CALL CLOSE (PARM,NOREW)
      CALL GOPEN (OES1,DEFLST(I),NOREW)
C
      CALL ROTAT (ELSET,BUF1-N2,DEFLST(N2+1),DEFLST(I1))
C
      CALL CLOSE (OES1,NOREW)
      CALL GOPEN (PARM,DEFLST(I),NOREW)
C
 1290 IF (.NOT.DISP) GO TO 1320
C
C     CONVERSION FOR ACCEL OR VELOCITY
C
      CONV = 1.0
      IF (PLTTYP .EQ. 1) GO TO 1310
      IF (PLTTYP.EQ.3 .OR. PLTTYP.EQ.4) GO TO 1300
C
C     VELOCITY
C
      CONV = VALUE*TWOPI
      GO TO 1310
C
C     ACCEL
C
 1300 CONV = (VALUE*TWOPI)**2
 1310 I = 3*BUFSIZ + B1
      PH1 = PH * TWOPI/360.0
      CALL GETDEF (MDEF,PH1,MAG,CONV,PLTTYP,DEFLST(I),DEFLST(N2+1),
     1             DEFLST(I2))
C                  FILE PH  MAG   W   RESP   BUF(1)     GPLST
C                  DEFLECTION
C
C     PRINT THE MAXIMUM FOUND ON THE PLOT FILE
C
      IF (MODE.GE.EOR .AND. ICOLOR.EQ.0) CALL HEAD (0,0,-1,DEFMAX)
      ASSIGN 1320 TO INCOM
      IF (MAXDEF .NE. 0.0) DEFMAX = MAXDEF
      IF (DEFMAX.EQ.0.0 .OR. SCALE(4).EQ.0.0) GO TO 1420
C
C                GPLST       ,X         ,U         ,S         ,
 1320 CALL DRAW (DEFLST(N2+1),DEFLST(I1),DEFLST(I2),DEFLST(I3),
     1           DISP,STEREO,DEFBUF-(I3+N),BUF1-N2)
C
C     NOTE - THE NEXT TO LAST ARGUMENT, DEFBUF-(I3+N), IS THE SIZE OF
C            AVAILABLE OPEN CORE. IT IS NOT A POINTER, AND IT IS NOT AN
C            OPEN CORE ARRAY
C
C     OPEN CORE /ZZPLOT/
C     SETID NSETS NDOF      NGP 3*NGPSET 3*NGPSET SCRATCH  N
C     -----+-----+----+----+---+--------+--------+-------+--+--+-+-+-+-+
C          !          N1   N2  I1 (X)   I2 (U)   I3 (S)   DEFBUF ..BUF..
C          !(DEFLST)         /
C                       (GPLST)                      N=2*NGPSET
C
      CALL CLOSE (ELSET,REW)
      IF (MODE .GE. EOR) GO TO 1360
      IF (.NOT.DISP) GO TO 1350
      CALL BCKREC (MDEF)
 1350 PSET = IWRD
      IF (.NOT.STRESS) GO TO 760
C
C     POSITION OES1
C
      I = 1
      ASSIGN 1360 TO INCOM
      CALL FNDSET (DEFLST(N2+1),DEFLST(I1),BUF1-N2,I)
      IF (I .EQ. 1) GO TO 760
      GO TO 1420
C
C     END OF A DEFORMATION
C
 1360 CALL STPLOT (-1)
      IF (PRJECT.NE.3 .OR. STEREO.NE.0) GO TO 1380
      STEREO = 1
      CALL SOPEN (*1430,PLTTAP,DEFLST(PLTBUF),PBUFSZ)
      J = BFRMS
      BFRMS = 2
      CALL STPLOT (PLTNUM)
      BFRMS  = J
      PLTNUM = PLTNUM + 1
      IF (.NOT.DISP) GO TO 1370
      CALL BCKREC (MDEF)
 1370 IF (.NOT.STRESS) GO TO 750
C
C     POSITION OES1
C
      I = 1
      ASSIGN 1360 TO INCOM
      CALL FNDSET (DEFLST(N2+1),DEFLST(I1),BUF1-N2,I)
      IF (I .NE. 1) GO TO 1420
      GO TO 750
 1380 IF (DISP .OR. STRESS) GO TO 500
C
C     END OF THIS PLOT CARD.
C
 1385 IF (STRESS) CALL CLOSE (OES1,REW)
 1390 IF (DISP  ) CALL CLOSE (MDEF,REW)
      GO TO 1430
C
C     INSUFFICIENT CORE TO START PROCESSING
C
 1400 CALL MESAGE (-8,DEFBUF,NAME)
C
 1410 CONTINUE
      GO TO 1385
C
C     INCOMPLETE PLOT RESULTED
C
 1420 ERR(1) = 0
      CALL WRTPRT (MERR,ERR,MSG7,NMSG7)
      GO TO INCOM, (1360,1320)
C
C     FINISHING ONE PLOT
C     ECHO OUT WHICH ORIGIN WAS USED
C
 1430 IF (NOGO  .NE. 0) CALL MESAGE (-61,0,0)
      IF (PORIG .EQ. 0) GO TO 1550
      ERR(1) = 1
      ERR(2) = ORIGIN(PORIG)
      CALL WRTPRT (MERR,ERR,USED,10)
      CALL WRITE (MERR,0,0,1)
      LORIG = PORIG
      PORIG = 0
      GO TO 1550
C
C     READ AN INTEGER VALUE FROM THE -PLOT- CARD
C
 1440 CALL RDMODE (*1450,*790,*1180,MODE,WORD)
 1450 IF (MODE .EQ. -1) GO TO 1470
      IF (MODE .EQ. -4) GO TO 1460
      IWRD = FWRD
      GO TO 1470
 1460 IWRD = DWRD
 1470 GO TO TRA, (130,150,820,920,1010,1090,1165)
C
C     READ A REAL VALUE FROM THE -PLOT- CARD
C
 1480 CALL RDMODE (*1490,*790,*1180,MODE,WORD)
 1490 IF (MODE .EQ. -4) GO TO 1500
      IF (MODE .EQ. -1) FWRD = IWRD
      GO TO 1510
 1500 FWRD = DWRD
 1510 GO TO TRA, (250,260,900,300)
C
 1520 WRITE  (NOUT,1525) UFM,PLTTAP
 1525 FORMAT (A23,' 702, PLOT FILE ',A4,' DOES NOT EXIST.')
      NOGO = 1
      GO TO 1390
 1530 WRITE  (NOUT,1535) UWM,LORIG
 1535 FORMAT (A25,' 704, NO PREVIOUS PLOT TO INITIATE NOFIND OPERATION')
C
 1550 RETURN
      END