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
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
|
#!/bin/csh
#
# ====================== Change area ============================
alias OUTP /bin/echo
# ================== End of Change area =========================
OUTP "Configuring ..."
set mvcgn = "../src/xvcg"
if (! -x $mvcgn) then
set mvcgn = "`echo $BINDIR`xvcg"
endif
if (! -x $mvcgn) then
set mvcgn = "/usr/local/bin/xvcg"
endif
if (! -x $mvcgn) then
set mvcgn = "xvcg"
endif
if (! -x $mvcgn) then
OUTP "Sorry, I cannot find a " $mvcgn
exit 1
endif
OUTP "Vcg is" $mvcgn
OUTP ""
loop:
OUTP "Please select the window system."
OUTP "If the VCG tool has problems with colors on "
OUTP "your display installation, please select a "
OUTP "monochromatic version even on a color screen."
OUTP "1 : X11 with colors 2 : Sunview with colors "
OUTP "3 : X11 monochromatic 4 : Sunview monochromatic"
set wsys = $<
switch ($wsys)
case 1:
alias MYVCG $mvcgn -geometry 700x700+20-20
breaksw
case 2:
alias MYVCG $mvcgn
breaksw
case 3:
alias MYVCG $mvcgn -geometry 700x700+20-20 -nocolors
breaksw
case 4:
alias MYVCG $mvcgn -nocolors
breaksw
default:
OUTP ""
OUTP "*** invalid input ***"
goto loop
endsw
set mycat = "/bin/cat"
set myrm = "/bin/rm"
set mysleep = "/bin/sleep"
set mysed = "/usr/bin/sed"
set mywc = "/usr/bin/wc"
set mygrep = "/usr/bin/fgrep"
set myclear = "/usr/bin/clear"
alias CAT $mycat
alias RM $myrm
alias SLEEP $mysleep
alias SED $mysed
alias WCNT $mywc
alias GREP $mygrep
alias CLEAR $myclear
OUTP
OUTP "Cleanup ..."
OUTP "Test" > demoaaa.vcg
OUTP "Test" > animaaa.vcg
OUTP "Test" > rbtreeaaa.vcg
RM demo*.vcg anim*.vcg rbtree*.vcg
OUTP ""
OUTP "Press Carriage Return key to start the demonstration ..."
set f = $<
if ("$f" == "QUIT") goto finishup
CLEAR
OUTP "DEMONSTRATION OF THE VCG TOOL"
OUTP "============================="
OUTP ""
OUTP "Welcome to a tour around the VCG tool ..."
OUTP ""
OUTP "NOTE: you can leave the tour at any point by answering"
OUTP " QUIT (uppercase) on a request of input."
OUTP ""
OUTP "In the following, we will show several visualizations"
OUTP "from different applications. Not all features of the "
OUTP "VCG tool can be demonstrated, but the important once."
OUTP "Some of the demonstrations are generated by the program"
OUTP "vcgdemomaker, others are from the directory expl, others"
OUTP "are animations."
OUTP ""
OUTP "To go from one demonstration to the next demonstration,"
OUTP "you should finish the VCG tool by pressing the key q "
OUTP "or selecting the menu item Quit."
OUTP "The menu is shown when pressing the (left) mouse button"
OUTP "in the VCG window."
OUTP "Press Carriage Return key to continue ..."
set f = $<
if ("$f" == "QUIT") goto finishup
OUTP "The keyboard commands of the VCG tool are:"
OUTP ""
OUTP " q - quit the VCG tool"
OUTP " r - show or hide the ruler"
OUTP " f - load another file"
OUTP " g - reload the same file"
OUTP " l - display/hide labels of edges"
OUTP " 1..9 - hide/expose corresponding edge class"
OUTP " i or I or J - show info fields of nodes"
OUTP ""
OUTP "Press Carriage Return key to continue ..."
set f = $<
if ("$f" == "QUIT") goto finishup
OUTP ""
OUTP "Scrolling commands:"
OUTP ""
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " o - go to the origin (0,0) "
OUTP " p - pick position with the mouse"
OUTP " P - enter position by co-ordinates"
OUTP " n - position such that a node is centered"
OUTP " e - follow an edge (center target/source)"
OUTP ""
OUTP "Scaling commands"
OUTP ""
OUTP " + or = - stretch "
OUTP " - or _ - shrink "
OUTP " 0 - (null) set scale factor to normal"
OUTP ""
OUTP ""
OUTP "Press Carriage Return key to start ..."
set f = $<
if ("$f" == "QUIT") goto finishup
CLEAR
OUTP "Example from the sociology: Theory of civilisation"
OUTP "--------------------------------------------------"
OUTP "This graph shows the dependencies between the "
OUTP "invention of wheels, the modern comunism and the "
OUTP "computer science, etc."
OUTP "The following graph is scaled by a factor 0.5 and"
OUTP "uses the layoutalgorithm MINBACKWARD (-D0)."
OUTP "Other possible layoutalgorithms are MINDEPTH, MAXDEPTH"
OUTP "and TREE (-D-, -D+ and -Dtree) and many more."
OUTP ""
./vcgcount < ../expl/civ.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/civ.vcg
CLEAR
OUTP "Example: Color test"
OUTP "-------------------"
OUTP "This examples shows the default colors that are available."
OUTP "If your X11 installation has problems with colors, "
OUTP "use -nocolors. In this case, or if the display is "
OUTP "monochrom, you will not see the colors."
OUTP ""
./vcgcount < ../expl/colors.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/colors.vcg
CLEAR
OUTP "Example: More Colors"
OUTP "--------------------"
OUTP "This examples show how to access to the color map."
OUTP "Up to 256 colors can be used at the same time."
OUTP "It is even possible to replace the default colors by"
OUTP "other red/green/blue values."
OUTP ""
./vcgcount < ../expl/morecol.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/morecol.vcg
CLEAR
OUTP "Example: Character set"
OUTP "----------------------"
OUTP "The VCG tool uses a fully scalable character set. This character"
OUTP "set is compatible to the ISO Latin 1 PostScript Encoding Vector"
OUTP "and contains the special national characters for the most"
OUTP "European and North American countrys."
OUTP "If the computer system does not support 8 Bit character codes,"
OUTP "the special characters can be accessed by ISO code escapes."
OUTP "For instance, \\fi252 is the german umlaut ue."
OUTP "Next, we will see the character set."
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/charset.vcg
CLEAR
OUTP "Example: Form test"
OUTP "------------------"
OUTP "This examples shows the different forms of nodes and"
OUTP "edges that are available."
OUTP "Nodes can be stretched and shrinked individually,"
OUTP "width, height, textmode and border can be set to "
OUTP "many values. Edges can be dashed or dotted, at "
OUTP "different sizes with different arrow sizes."
OUTP ""
./vcgcount < ../expl/forms.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/forms.vcg
CLEAR
OUTP "Example: More forms"
OUTP "-------------------"
OUTP "This examples shows further forms of nodes and"
OUTP "edges that are available: boxes, ellipses, rhombs"
OUTP "and triangles."
OUTP ""
./vcgcount < ../expl/forms2.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/forms2.vcg
CLEAR
OUTP "Example: Ports and Arrow Modes"
OUTP "------------------------------"
OUTP "Edge arrows appear at the port of nodes. Port sharing"
OUTP "means that multiple edges may be adjacent to one port."
OUTP "This occurs, if the arrows of all these edges have the"
OUTP "same visual appearance (size, color, ...)."
OUTP "If we use port sharing, it is recommended to use only"
OUTP "a fixed set of rotated arrows. Otherwise, the port looks"
OUTP "like a thick spot since all arrows are differently rotated"
OUTP "and overlap. This is the arrow mode 'fixed'."
OUTP "If we don't use port sharing, arrows can be rotated individually."
OUTP "This is the arrow mode 'free'."
OUTP ""
OUTP "Next, we see four times the same graph. At the left examples,"
OUTP "we use port sharing, but at the right examples, there is no"
OUTP "port sharing. At the upper examples, we use arrow mode fixed,"
OUTP "and at the lower examples, we use arrow mode free."
OUTP ""
./vcgcount < ../expl/pshar1.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG windows at the left sides."
OUTP "Then, press q into the right VCG windows to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent ../expl/pshar1.vcg &
SLEEP 2
MYVCG -silent ../expl/pshar3.vcg &
SLEEP 2
MYVCG -silent ../expl/pshar2.vcg &
SLEEP 2
MYVCG ../expl/pshar4.vcg
SLEEP 1
CLEAR
OUTP "Example: A diagram"
OUTP "------------------"
OUTP "This examples shows the influences of different computer"
OUTP "systems in the context of the development of the computer"
OUTP "Xerox Star (see Johnson, Roberts, e.a.: The Xerox Star,"
OUTP "a Retrospective, IEEE Computer; 11-29, Sept. 1989)."
OUTP "We did some changes in the diagram in order to show the "
OUTP "possibilities of visualization, but not in order to "
OUTP "clarify information in the diagram."
OUTP ""
./vcgcount < ../expl/xerox.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/xerox.vcg
CLEAR
OUTP "Example: A flow diagram"
OUTP "-----------------------"
OUTP "This examples shows a funny flow diagram about the actions"
OUTP "of a software maintainer if something does not work."
OUTP "The text is in german. If I tried to translate it, the gags"
OUTP "would probably disappear."
OUTP "One speciality here: the centers of the nodes are aligned onto"
OUTP "a raster by using the attributes xraster and yraster."
OUTP "Thus, we have many rectangular edges."
OUTP ""
./vcgcount < ../expl/softmain.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/softmain.vcg
CLEAR
OUTP "Example: Orthogonal layout"
OUTP "--------------------------"
OUTP "Flowcharts look much better if all edges consist of"
OUTP "orthogonal line segments. This is the orthogonal layout"
OUTP "or manhatten layout."
OUTP "For the manhatten layout, we use a special method to"
OUTP "place the nodes: the priority method with the straight"
OUTP "line detection. It is recommended to use these methods"
OUTP "when manhatten layout is switched on."
OUTP ""
OUTP "Next, we see the previous flow diagram at the left side"
OUTP "and the same diagram with manhatten layout at the right side."
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent ../expl/softmain.vcg &
SLEEP 2
MYVCG ../expl/softmain2.vcg
SLEEP 1
CLEAR
OUTP "Example: A control flow graph of a program"
OUTP "------------------------------------------"
OUTP "This example shows the control flow graph of a program."
OUTP "The decision branches are formed by rhombs and bent nearedges."
OUTP "Nearedges are horizontal edges that constain the two adjacent"
OUTP "nodes to be placed directly neighbored at the same level."
OUTP "Bent nearedges are edges that are bent at the label, and"
OUTP "the source node and the edge label form a near edge. This gives"
OUTP "the typical appearance of decision branches."
OUTP ""
./vcgcount < ../expl/cfg.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/cfg.vcg
CLEAR
OUTP "Example: Another control flow graph"
OUTP "-----------------------------------"
OUTP "The next example shows another control flow graph."
OUTP "Here, the bent nearedges are simulated by some nearedges and"
OUTP "auxiliary nodes. Again, we use manhatten layout with the"
OUTP "priority method and the straight line detection."
OUTP ""
./vcgcount < ../expl/flchrt.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/flchrt.vcg
CLEAR
OUTP "Example: Anchorpoint test"
OUTP "-------------------------"
OUTP "This example shows how to use anchorpoints."
OUTP "It is possible to anchor an edge at each labelline"
OUTP "of a node. Nodes representing structs look nice"
OUTP "in this mode. Note but this restricts of course"
OUTP "the usage of nearedges."
OUTP "If you select one of the submenus of the menu item"
OUTP "Node Information and then pick into the large node"
OUTP "you can see how to use background text."
OUTP ""
./vcgcount < ../expl/anchors.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/anchors.vcg
CLEAR
OUTP "Example: More anchorpoints"
OUTP "--------------------------"
OUTP "This example shows a list of C structs. It demonstrates"
OUTP "the usage of anchorpoints for visualized debugging"
OUTP "of data structures."
OUTP ""
./vcgcount < ../expl/structs.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/structs.vcg
CLEAR
OUTP "Example: Level test"
OUTP "-------------------"
OUTP "This examples shows how to use level specifications."
OUTP "It is possible to give the nodes arbitrary levels"
OUTP "for instance to place a node artificially on the top"
OUTP "of the graph. Normally, the following would be layouted"
OUTP "as a tree with the root at level 0. But we have specified"
OUTP "which nodes are at level 0, 1 and 2, such that the root"
OUTP "is in the center."
OUTP ""
./vcgcount < ../expl/levels.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/levels.vcg
CLEAR
OUTP "Example: Horizantal layer sorting"
OUTP "---------------------------------"
OUTP "The VCG tool reorders the nodes in the levels to avoid"
OUTP "crossings. But sometimes, the writer of a graph specification"
OUTP "knows a better order of the nodes into the levels."
OUTP "He can specify this by the attribute horizontal_order at"
OUTP "the nodes. If all nodes of a level have this attribute,"
OUTP "the reordering of this level is suppressed."
OUTP ""
OUTP "Warning: this feature works only for connected graphs."
OUTP "Nonconnected parts are layouted separately, such that"
OUTP "the order of the nodes of a connected component is predictable",
OUTP "at a level, but not the order of all nodes at a level."
OUTP "Is is recommended to use this feature only together with"
OUTP "level specifications, or at trees, where it is clear at"
OUTP "which level a node apprears."
OUTP ""
OUTP "Next, we see a graph where we want to have the nodes"
OUTP "sorted at the levels in alphabethic order."
OUTP "Left, we see the original graph by the standard layout"
OUTP "algorithm. Here, the ordering at the levels is arbitrary."
OUTP "At the right side, we use the attribute horizontal_order"
OUTP "on the same graph to yield an alphabethic ordering at the"
OUTP "Levels."
OUTP ""
./vcgcount < ../expl/hsort.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent ../expl/hunsort.vcg &
SLEEP 2
MYVCG ../expl/hsort.vcg
SLEEP 1
CLEAR
OUTP "Example: Unary tree of depth 100"
OUTP "--------------------------------"
vcgdemomaker demo001.vcg -unarytree 100
OUTP "This graph is very simple. All edges have class 2."
OUTP "You can try to hide the edges, expose them or to"
OUTP "fold regions."
OUTP ""
./vcgcount < demo001.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo001.vcg
CLEAR
OUTP "Example: Binary tree of depth 5"
OUTP "-------------------------------"
vcgdemomaker demo002.vcg -binarytree 5
CAT demo002.vcg | SED -e "s/xmax/shrink: 2 &/" > demo003.vcg
OUTP "This graph is very simple. All edges have class 2."
OUTP "Ary-trees look very nice if we use a layout_downfactor."
OUTP "Here, we used layout_downfactor: 8."
OUTP ""
./vcgcount < demo003.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo003.vcg
CLEAR
OUTP "Example: Binary tree of depth 5"
OUTP "-------------------------------"
CAT demo003.vcg | SED -e "s/layout_downfactor: 8/layout_downfactor: 1/" > demo004.vcg
OUTP "To compare with, we show the same binary tree with"
OUTP "layout_downfactor: 1."
OUTP ""
./vcgcount < demo004.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo004.vcg
CLEAR
OUTP "Example: Layout of trees"
OUTP "-------------------------"
OUTP "Beside the normal layout algorithm, there is a specialized"
OUTP "algorithm TREE, that lays out trees even without specifying"
OUTP "a layout_downfactor."
OUTP "This specialized algorithm can be used for all graphs that"
OUTP "can be layouted like downward trees, i.e. their edges form"
OUTP "unshared branches."
OUTP "This specialized algorithm is often faster than then normal."
OUTP "algorithm with layout_downfactor."
OUTP "Left, we see a syntax tree by the standard layout algorithm."
OUTP "At the right side, we see the same tree with the specialized"
OUTP "algorithm for trees."
OUTP ""
./vcgcount < ../expl/tree1.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent ../expl/tree1.vcg &
SLEEP 2
MYVCG ../expl/tree2.vcg
SLEEP 1
CLEAR
OUTP "Example: More trees"
OUTP "-------------------"
OUTP "Trees look very nice, if a special version of the manhatten"
OUTP "layout method is used: the single line manhatten layout."
OUTP "Here, all horizontal edge segments share the same"
OUTP "horizontal line. If the graph is not a tree, then this"
OUTP "will confuse the user, since it might be not anymore clear,"
OUTP "which vertical lines are connected by the horizontal"
OUTP "line. But for trees, it looks nice."
OUTP "We see the same syntax tree as before, but now, we use the"
OUTP "single line manhatten tree layout for the left graph."
OUTP ""
./vcgcount < ../expl/tree2.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent -dtree -smanhatten ../expl/tree1.vcg &
SLEEP 2
MYVCG ../expl/tree2.vcg
SLEEP 1
CLEAR
OUTP "Example: Edge priorities"
OUTP "------------------------"
OUTP "Sometimes, we have a graph consisting of two intermixed"
OUTP "graphs. Or we have one basic graph and additionally, we have"
OUTP "edges as annotations. In these cases, we want to recognize "
OUTP "the structure of the basic graph, but the structure is"
OUTP "interwoven with the additional edges. But the layout is based"
OUTP "on all edges, which may result in visualizations where "
OUTP "the structure of the basic graph is not recognizable anymore."
OUTP ""
OUTP "In this case, edge priority comes in. We give the edges of"
OUTP "the basic graph a higher priority. Then, the additional "
OUTP "annotation edges are neglected during the layout and are"
OUTP "drawn rather ugly, but the basic graph is visualized nicely."
OUTP ""
OUTP "Next, we will see a tree (thick edges) interwoven with some"
OUTP "additional edges. Left, we show this graph by the standard"
OUTP "layout algorithm, where the tree is not recognizable."
OUTP "At the right side, we use priorities, and then we will recognize"
OUTP "the tree structure."
OUTP ""
./vcgcount < ../expl/annot1.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent ../expl/annot1.vcg &
SLEEP 2
MYVCG -silent ../expl/annot2.vcg
SLEEP 1
CLEAR
OUTP "Example: Fisheyes"
OUTP "-----------------"
OUTP "Large graphs have normally the disadvantage that we either"
OUTP "see the whole graph but no details, because the graph is"
OUTP "shrinked very much, or we see some details at the point of"
OUTP "interest but lose the overview of the entire graph structure,"
OUTP "because the window is too small. A good solution of this"
OUTP "conflict is the fisheye view that distorts the graph such"
OUTP "that the focus point is magnified while the remaining parts"
OUTP "of the graph are demagnified smoothly such that the whole"
OUTP "graph is visible."
OUTP "A fisheye view is a coordinate transformation and has"
OUTP "similiarities with the corresponding photo camera lenses."
OUTP ""
OUTP "Next, we will see a large graph. Left, we show the graph"
OUTP "by the standard view. Right, we see the same graph by the"
OUTP "cartesian fisheye view. The focus point can be selected"
OUTP "interactively by the operation Pick Position."
OUTP ""
./vcgcount < ../expl/fishex3c.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent -ypos 170 ../expl/fishex3c.vcg &
SLEEP 2
MYVCG -silent -xpos 518 -ypos 1790 -view cfish ../expl/fishex3b.vcg
SLEEP 1
CLEAR
OUTP "Example: Cartesian fisheyes and polar fisheyes"
OUTP "----------------------------------------------"
OUTP "Cartesian fisheyes transform the cartesian coordinate system"
OUTP "while polar fisheyes transform the polar coordinate system."
OUTP "A polar fisheye can be seen as a mapping of the space onto a"
OUTP "spheric ball. The polar fisheye does not preserve horizontal"
OUTP "and vertical lines, while the cartesian fisheye does."
OUTP "Note that fisheyes may introduce additional bendings of lines"
OUTP "and crossings that do not appear in the plane view."
OUTP "However, these effects are seldom and occur due to efficiency"
OUTP "reasons."
OUTP ""
OUTP "Next, we will see the same graph as before. Left, we show the"
OUTP "graph by the polar fisheye view. Right, we see the graph again"
OUTP "by the carthesian fisheye view."
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent -xpos 518 -ypos 1790 -view pfish ../expl/fishex3a.vcg &
SLEEP 2
MYVCG -silent -xpos 518 -ypos 1790 -view cfish ../expl/fishex3b.vcg
SLEEP 1
CLEAR
OUTP "Example: Fisheyes with fixed radius"
OUTP "-----------------------------------"
OUTP "If not the whole graph but only a fixed area around the focus"
OUTP "point is of interest, we use the fisheyes with fixed radius."
OUTP "Then, not the whole graph is visible but only the region around"
OUTP "the focus point."
OUTP "While for normal (self adaptable) fisheyes, the location of the"
OUTP "focus point moves in the window relatively to its movement in"
OUTP "the graph, the focus point of the fisheyes with fixed radius is"
OUTP "always centered in the window."
OUTP ""
OUTP "Next, we will see a graph with fisheyes of fixed radius. Left,"
OUTP "we show the graph by the cartesian fisheye view. Right, we see"
OUTP "the graph again by the polar fisheye view."
OUTP ""
./vcgcount < ../expl/fishex2a.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After visualization of this, first, press q into"
OUTP "the VCG window at the left side."
OUTP "Then, press q into the right VCG window to go to "
OUTP "the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -silent -xpos 2300 -ypos 253 -view fcfish ../expl/fishex2a.vcg &
SLEEP 2
MYVCG -silent -xpos 2300 -ypos 253 -view fpfish ../expl/fishex2b.vcg
SLEEP 1
CLEAR
OUTP "Example: Another diagram"
OUTP "-------------------------"
OUTP "This diagram (Gansner, Koutsofios, e.a.: A Technique"
OUTP "for Drawing Graphs; IEEE Trans. Soft. Eng. 19, 3, March 93)"
OUTP "shows the dependencies of different shells."
OUTP "Here we see a combination of features of the VCG tool."
OUTP "First, the graph is made connected by 3 invisible edges."
OUTP "The priority of these edges is set to zero such that"
OUTP "they do not influence the layout too much. As contrast,"
OUTP "the layout_downfactor and layout_upfactor is set to 100."
OUTP "The attribute level is used to set the nodes at the"
OUTP "appropriate time axis. The attribute horizontal_order"
OUTP "is used to get the time axis at the left side of the"
OUTP "graph. Further, we have used splines for the edges."
OUTP ""
./vcgcount < ../expl/shells.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/shells.vcg
CLEAR
OUTP "Example: Ternary tree of depth 7"
OUTP "---------------------------------"
OUTP "Wait half a minute ..."
vcgdemomaker demo005.vcg -ternarytree 7
CAT demo005.vcg | SED -e "s/xmax/shrink: 2 &/" > demo006.vcg
OUTP "Now a first torture test. This graph is a ternary tree"
OUTP "with about 3000 nodes and 3000 edges."
OUTP "We use the normal algorithm with downfactor: 8."
OUTP "We need about 20 seconds (on a Sparc ELC) to layout it."
OUTP "WARNING: the visualization may fail on small computers"
OUTP " because of memory exhausted."
OUTP ""
./vcgcount < demo006.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo006.vcg
CLEAR
OUTP "Example: Two level cross graph"
OUTP "------------------------------"
vcgdemomaker demo007.vcg -twolevelcross 1000
OUTP "This is a torture test for bary centering."
OUTP "This graph is specified in an ugly format with a lot"
OUTP "of unnecessary crossings. The tool removes these "
OUTP "crossings."
OUTP ""
./vcgcount < demo007.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo007.vcg
CLEAR
OUTP "Example: Nearedge test"
OUTP "----------------------"
vcgdemomaker demo008.vcg -leveltree 4
CAT demo008.vcg | SED -e "s/xmax/shrink: 4 &/" > demo009.vcg
OUTP "This is a torture test for near edge layout."
OUTP "This tree is has a lot of near edges, i.e. "
OUTP "edges between nodes at the same level."
OUTP "The nodes of a near edge should be neighboured."
OUTP ""
./vcgcount < demo009.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo009.vcg
CLEAR
OUTP "Example: Complete graphs"
OUTP "------------------------"
vcgdemomaker demo010.vcg -allconnect 5
OUTP "The complete graph has edges between all nodes."
OUTP "If we have n nodes, then we have about n*n/2 edges."
OUTP "Here we test the speed of the VCG tool, because "
OUTP "such graphs are very difficult to layout."
OUTP "An complete graph of 5 nodes is layouted very fast."
OUTP ""
./vcgcount < demo010.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo010.vcg
CLEAR
OUTP "Example: Complete graphs"
OUTP "------------------------"
vcgdemomaker demo011.vcg -allconnect 10
CAT demo011.vcg | SED -e "s/xmax/shrink: 10 stretch: 7 &/" > demo012.vcg
OUTP "An complete graph of 10 nodes needs a few seconds."
OUTP ""
./vcgcount < demo012.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo012.vcg
CLEAR
OUTP "Example: Complete graphs"
OUTP "------------------------"
vcgdemomaker demo013.vcg -allconnect 20
CAT demo013.vcg | SED -e "s/xmax/shrink: 100 stretch: 32 &/" > demo014.vcg
OUTP "An complete graph of 20 nodes needs about 25 seconds"
OUTP "on a Sparc ELC."
OUTP ""
./vcgcount < demo014.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo014.vcg
CLEAR
OUTP "Example: Complete graphs"
OUTP "------------------------"
vcgdemomaker demo015.vcg -allconnect 30
CAT demo015.vcg | SED -e "s/xmax/shrink: 10 stretch: 2 &/" > demo016.vcg
OUTP "An complete graph of 30 nodes needs about 110 seconds"
OUTP "on a Sparc ELC."
OUTP ""
./vcgcount < demo016.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG demo016.vcg
CLEAR
OUTP "Example: Complete graphs"
OUTP "------------------------"
OUTP "If we have such complex graphs, it is often not necessary"
OUTP "to have a nice layout, because the graphs are to large "
OUTP "to see all details at the same time."
OUTP "In this case, we set the fast flag (option -f) that reduces"
OUTP "the number of iterations of various layout steps."
OUTP "Next, we see the same complete graph of 30 nodes as before, however"
OUTP "now the fast flag is set."
OUTP "Then, we need only 15 seconds (compared to 100 seconds before),"
OUTP "but the layout is very ugly."
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG -f demo016.vcg
CLEAR
OUTP "Example: Intermediate representation of a compiler (HIR)"
OUTP "--------------------------------------------------------"
OUTP "The next example comes from the REAL WORLD."
OUTP "It shows the High Intermediate Representation (HIR)"
OUTP "of a CLaX program. It is a syntax tree annotated by"
OUTP "types."
OUTP "You see the procedure declarations. The main module is"
OUTP "actually folded (see the green triangle)."
OUTP "If you select the menu point Hide edges, you will recognize"
OUTP "that the edge classes are named in this example."
OUTP "We use the layout algorithm TREE."
OUTP ""
./vcgcount < ../expl/tstree.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "We need a few seconds to visualize this. Please wait."
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/tstree.vcg
CLEAR
OUTP "Example: Intermediate representation of a compiler (CCMIR)"
OUTP "----------------------------------------------------------"
OUTP "The next example again comes from the REAL WORLD."
OUTP "It shows the Common Compare Medium Intermediate"
OUTP "Representation (CCMIR) of a very simple C program."
OUTP "This graph was generated by the ACE C frontend and a trivial"
OUTP "additional visualization engine. The edge classes 1-5"
OUTP "are hidden, otherwise the layout would be to ugly."
OUTP "They can be exposed by menu selections."
OUTP ""
./vcgcount < ../expl/ccmir.vcg
OUTP ""
OUTP "Remind: most important keybord commands of vcg"
OUTP " q - quit the VCG tool"
OUTP " a "
OUTP " d c (arrow keys) - scroll to the left/right/up/down"
OUTP " b "
OUTP " + - stretch "
OUTP " - - shrink "
OUTP ""
OUTP "After the visualization of this, press q into "
OUTP "the VCG window to go to the next demonstration."
OUTP "Press Carriage Return key to start visualization ..."
set f = $<
if ("$f" == "QUIT") goto finishup
MYVCG ../expl/ccmir.vcg
CLEAR
OUTP "Example: Animation demo 1 (communication by touching)"
OUTP "-----------------------------------------------------"
OUTP "We show a small animation that demonstrate the "
OUTP "communication between the VCG tool and a controller "
OUTP "program called animation3."
OUTP "The controller program sends signals to the VCG tool."
OUTP "The VCG tool indicates the completion of vizualization"
OUTP "by touching its input file."
OUTP "This demonstration shows a sequence of insertions into"
OUTP "a red black tree. We see rotations that rebalance the tree."
OUTP "IMPORTANT: Do not quit the VCG tool. Do not give any "
OUTP " input (keypress, menu selection) to the VCG tool."
OUTP " Wait ! The animation is finished automatically."
OUTP ""
OUTP "Press Carriage Return key to start the animation ..."
set f = $<
if ("$f" == "QUIT") goto finishup
animation3
OUTP "Ready ! Press Carriage Return key to continue ..."
set f = $<
if ("$f" == "QUIT") goto finishup
CLEAR
OUTP "Example: Animation demo 2 (communication by signals)"
OUTP "----------------------------------------------------"
OUTP "We show another small animation that demonstrate the "
OUTP "communication between the VCG tool and a controller "
OUTP "program called animation1."
OUTP "The controller program sends signals to the VCG tool."
OUTP "The VCG tool indicates the completion of vizualization"
OUTP "by sending a signal back to the controlling program."
OUTP "IMPORTANT: Do not quit the VCG tool. Do not give any "
OUTP " input (keypress, menu selection) to the VCG tool."
OUTP " Wait ! The animation is finished automatically."
OUTP ""
OUTP "Press Carriage Return key to start the animation ..."
set f = $<
if ("$f" == "QUIT") goto finishup
animation2
OUTP "Ready ! Press Carriage Return key to finish the demonstration."
finishup:
CLEAR
OUTP "This was the demonstration of the vcg tool"
OUTP ""
loopa:
OUTP "Should the directory be cleaned ?"
OUTP "1 : yes 0 : no "
OUTP "y : yes n : no "
set wsys = $<
switch ($wsys)
case y:
case 1:
OUTP "Cleanup ..."
OUTP "Test" > demoaaa.vcg
OUTP "Test" > animaaa.vcg
OUTP "Test" > rbtreeaaa.vcg
RM demo*.vcg anim*.vcg rbtree*.vcg
breaksw
case n:
case 0:
breaksw
default:
OUTP ""
OUTP "*** invalid input ***"
goto loopa
endsw
OUTP "Goodbye ..."
|
