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root/radiance/ray/src/util/rad.c
Revision: 2.45
Committed: Mon Aug 28 10:12:40 1995 UTC (28 years, 8 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.44: +35 -29 lines
Log Message:
Changed RAWSAVE to RAWFILE (and changed meaning)
added ZFILE variable to rad

File Contents

# Content
1 /* Copyright (c) 1994 Regents of the University of California */
2
3 #ifndef lint
4 static char SCCSid[] = "$SunId$ LBL";
5 #endif
6
7 /*
8 * Executive program for oconv, rpict and pfilt
9 */
10
11 #include "standard.h"
12 #include "paths.h"
13 #include <ctype.h>
14 #include <sys/types.h>
15
16
17 typedef struct {
18 char *name; /* variable name */
19 short nick; /* # characters required for nickname */
20 short nass; /* # assignments made */
21 char *value; /* assigned value(s) */
22 int (*fixval)(); /* assignment checking function */
23 } VARIABLE;
24
25 int onevalue(), catvalues(), boolvalue(),
26 qualvalue(), fltvalue(), intvalue();
27
28 /* variables */
29 #define OBJECT 0 /* object files */
30 #define SCENE 1 /* scene files */
31 #define MATERIAL 2 /* material files */
32 #define ILLUM 3 /* mkillum input files */
33 #define MKILLUM 4 /* mkillum options */
34 #define RENDER 5 /* rendering options */
35 #define OCONV 6 /* oconv options */
36 #define PFILT 7 /* pfilt options */
37 #define VIEW 8 /* view(s) for picture(s) */
38 #define ZONE 9 /* simulation zone */
39 #define QUALITY 10 /* desired rendering quality */
40 #define OCTREE 11 /* octree file name */
41 #define PICTURE 12 /* picture file root name */
42 #define AMBFILE 13 /* ambient file name */
43 #define OPTFILE 14 /* rendering options file */
44 #define EXPOSURE 15 /* picture exposure setting */
45 #define RESOLUTION 16 /* maximum picture resolution */
46 #define UP 17 /* view up (X, Y or Z) */
47 #define INDIRECT 18 /* indirection in lighting */
48 #define DETAIL 19 /* level of scene detail */
49 #define PENUMBRAS 20 /* shadow penumbras are desired */
50 #define VARIABILITY 21 /* level of light variability */
51 #define REPORT 22 /* report frequency and errfile */
52 #define RAWFILE 23 /* raw picture file root name */
53 #define ZFILE 24 /* distance file root name */
54 /* total number of variables */
55 #define NVARS 25
56
57 VARIABLE vv[NVARS] = { /* variable-value pairs */
58 {"objects", 3, 0, NULL, catvalues},
59 {"scene", 3, 0, NULL, catvalues},
60 {"materials", 3, 0, NULL, catvalues},
61 {"illum", 3, 0, NULL, catvalues},
62 {"mkillum", 3, 0, NULL, catvalues},
63 {"render", 3, 0, NULL, catvalues},
64 {"oconv", 3, 0, NULL, catvalues},
65 {"pfilt", 2, 0, NULL, catvalues},
66 {"view", 2, 0, NULL, NULL},
67 {"ZONE", 2, 0, NULL, onevalue},
68 {"QUALITY", 3, 0, NULL, qualvalue},
69 {"OCTREE", 3, 0, NULL, onevalue},
70 {"PICTURE", 3, 0, NULL, onevalue},
71 {"AMBFILE", 3, 0, NULL, onevalue},
72 {"OPTFILE", 3, 0, NULL, onevalue},
73 {"EXPOSURE", 3, 0, NULL, fltvalue},
74 {"RESOLUTION", 3, 0, NULL, onevalue},
75 {"UP", 2, 0, NULL, onevalue},
76 {"INDIRECT", 3, 0, NULL, intvalue},
77 {"DETAIL", 3, 0, NULL, qualvalue},
78 {"PENUMBRAS", 3, 0, NULL, boolvalue},
79 {"VARIABILITY", 3, 0, NULL, qualvalue},
80 {"REPORT", 3, 0, NULL, onevalue},
81 {"RAWFILE", 3, 0, NULL, onevalue},
82 {"ZFILE", 2, 0, NULL, onevalue},
83 };
84
85 VARIABLE *matchvar();
86 char *nvalue();
87
88 #define UPPER(c) ((c)&~0x20) /* ASCII trick */
89
90 #define vnam(vc) (vv[vc].name)
91 #define vdef(vc) (vv[vc].nass)
92 #define vval(vc) (vv[vc].value)
93 #define vint(vc) atoi(vval(vc))
94 #define vlet(vc) UPPER(vval(vc)[0])
95 #define vscale vlet
96 #define vbool(vc) (vlet(vc)=='T')
97
98 #define HIGH 'H'
99 #define MEDIUM 'M'
100 #define LOW 'L'
101
102 /* overture calculation file */
103 #ifdef NIX
104 char overfile[] = "overture.unf";
105 #else
106 char overfile[] = "/dev/null";
107 #endif
108
109 extern time_t fdate(), time();
110
111 time_t scenedate; /* date of latest scene or object file */
112 time_t octreedate; /* date of octree */
113 time_t matdate; /* date of latest material file */
114 time_t illumdate; /* date of last illum file */
115
116 char *oct0name; /* name of pre-mkillum octree */
117 time_t oct0date; /* date of pre-mkillum octree */
118 char *oct1name; /* name of post-mkillum octree */
119 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
120
121 int nowarn = 0; /* no warnings */
122 int explicate = 0; /* explicate variables */
123 int silent = 0; /* do work silently */
124 int touchonly = 0; /* touch files only */
125 int noaction = 0; /* don't do anything */
126 int sayview = 0; /* print view out */
127 char *rvdevice = NULL; /* rview output device */
128 char *viewselect = NULL; /* specific view only */
129
130 int overture = 0; /* overture calculation needed */
131
132 char *progname; /* global argv[0] */
133 char *rifname; /* global rad input file name */
134
135 char radname[MAXPATH]; /* root Radiance file name */
136
137
138 main(argc, argv)
139 int argc;
140 char *argv[];
141 {
142 char ropts[512];
143 char popts[64];
144 int i;
145
146 progname = argv[0];
147 /* get options */
148 for (i = 1; i < argc && argv[i][0] == '-'; i++)
149 switch (argv[i][1]) {
150 case 's':
151 silent++;
152 break;
153 case 'n':
154 noaction++;
155 break;
156 case 't':
157 touchonly++;
158 break;
159 case 'e':
160 explicate++;
161 break;
162 case 'o':
163 rvdevice = argv[++i];
164 break;
165 case 'V':
166 sayview++;
167 break;
168 case 'v':
169 viewselect = argv[++i];
170 break;
171 case 'w':
172 nowarn++;
173 break;
174 default:
175 goto userr;
176 }
177 if (i >= argc)
178 goto userr;
179 rifname = argv[i];
180 /* assign Radiance root file name */
181 rootname(radname, rifname);
182 /* load variable values */
183 load(rifname);
184 /* get any additional assignments */
185 for (i++; i < argc; i++)
186 setvariable(argv[i]);
187 /* check assignments */
188 checkvalues();
189 /* check files and dates */
190 checkfiles();
191 /* set default values as necessary */
192 setdefaults();
193 /* print all values if requested */
194 if (explicate)
195 printvals();
196 /* build octree (and run mkillum) */
197 oconv();
198 /* check date on ambient file */
199 checkambfile();
200 /* run simulation */
201 renderopts(ropts, popts);
202 xferopts(ropts);
203 if (rvdevice != NULL)
204 rview(ropts, popts);
205 else
206 rpict(ropts, popts);
207 exit(0);
208 userr:
209 fprintf(stderr,
210 "Usage: %s [-s][-n][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
211 progname);
212 exit(1);
213 }
214
215
216 rootname(rn, fn) /* remove tail from end of fn */
217 register char *rn, *fn;
218 {
219 char *tp, *dp;
220
221 for (tp = NULL, dp = rn; *rn = *fn++; rn++)
222 if (ISDIRSEP(*rn))
223 dp = rn;
224 else if (*rn == '.')
225 tp = rn;
226 if (tp != NULL && tp > dp)
227 *tp = '\0';
228 }
229
230
231 #define NOCHAR 127 /* constant for character to delete */
232
233
234 load(rfname) /* load Radiance simulation file */
235 char *rfname;
236 {
237 FILE *fp;
238 char buf[512];
239 register char *cp;
240
241 if (rfname == NULL)
242 fp = stdin;
243 else if ((fp = fopen(rfname, "r")) == NULL)
244 syserr(rfname);
245 while (fgetline(buf, sizeof(buf), fp) != NULL) {
246 for (cp = buf; *cp; cp++) {
247 switch (*cp) {
248 case '\\':
249 *cp++ = NOCHAR;
250 continue;
251 case '#':
252 *cp = '\0';
253 break;
254 default:
255 continue;
256 }
257 break;
258 }
259 setvariable(buf);
260 }
261 fclose(fp);
262 }
263
264
265 setvariable(ass) /* assign variable according to string */
266 register char *ass;
267 {
268 char varname[32];
269 int n;
270 register char *cp;
271 register VARIABLE *vp;
272 register int i;
273
274 while (isspace(*ass)) /* skip leading space */
275 ass++;
276 cp = varname; /* extract name */
277 while (cp < varname+sizeof(varname)-1
278 && *ass && !isspace(*ass) && *ass != '=')
279 *cp++ = *ass++;
280 *cp = '\0';
281 if (!varname[0])
282 return; /* no variable name! */
283 /* trim value */
284 while (isspace(*ass) || *ass == '=')
285 ass++;
286 for (n = strlen(ass); n > 0; n--)
287 if (!isspace(ass[n-1]))
288 break;
289 if (!n && !nowarn) {
290 fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
291 progname, varname);
292 return;
293 }
294 /* match variable from list */
295 vp = matchvar(varname);
296 if (vp == NULL) {
297 fprintf(stderr, "%s: unknown variable '%s'\n",
298 progname, varname);
299 exit(1);
300 }
301 /* assign new value */
302 if (i = vp->nass) {
303 cp = vp->value;
304 while (i--)
305 while (*cp++)
306 ;
307 i = cp - vp->value;
308 vp->value = realloc(vp->value, i+n+1);
309 } else
310 vp->value = malloc(n+1);
311 if (vp->value == NULL)
312 syserr(progname);
313 cp = vp->value+i; /* copy value, squeezing spaces */
314 *cp = *ass;
315 for (i = 1; i <= n; i++) {
316 if (ass[i] == NOCHAR)
317 continue;
318 if (isspace(*cp))
319 while (isspace(ass[i]))
320 i++;
321 *++cp = ass[i];
322 }
323 if (isspace(*cp)) /* remove trailing space */
324 *cp = '\0';
325 vp->nass++;
326 }
327
328
329 VARIABLE *
330 matchvar(nam) /* match a variable by its name */
331 char *nam;
332 {
333 int n = strlen(nam);
334 register int i;
335
336 for (i = 0; i < NVARS; i++)
337 if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
338 return(vv+i);
339 return(NULL);
340 }
341
342
343 char *
344 nvalue(vp, n) /* return nth variable value */
345 VARIABLE *vp;
346 register int n;
347 {
348 register char *cp;
349
350 if (vp == NULL | n < 0 | n >= vp->nass)
351 return(NULL);
352 cp = vp->value;
353 while (n--)
354 while (*cp++)
355 ;
356 return(cp);
357 }
358
359
360 checkvalues() /* check assignments */
361 {
362 register int i;
363
364 for (i = 0; i < NVARS; i++)
365 if (vv[i].fixval != NULL)
366 (*vv[i].fixval)(vv+i);
367 }
368
369
370 onevalue(vp) /* only one assignment for this variable */
371 register VARIABLE *vp;
372 {
373 if (vp->nass < 2)
374 return;
375 if (!nowarn)
376 fprintf(stderr,
377 "%s: warning - multiple assignment of variable '%s'\n",
378 progname, vp->name);
379 do
380 vp->value += strlen(vp->value)+1;
381 while (--vp->nass > 1);
382 }
383
384
385 catvalues(vp) /* concatenate variable values */
386 register VARIABLE *vp;
387 {
388 register char *cp;
389
390 if (vp->nass < 2)
391 return;
392 for (cp = vp->value; vp->nass > 1; vp->nass--) {
393 while (*cp)
394 cp++;
395 *cp++ = ' ';
396 }
397 }
398
399
400 int
401 badmatch(tv, cv) /* case insensitive truncated comparison */
402 register char *tv, *cv;
403 {
404 if (!*tv) return(1); /* null string cannot match */
405 do
406 if (UPPER(*tv) != *cv++)
407 return(1);
408 while (*++tv);
409 return(0); /* OK */
410 }
411
412
413 boolvalue(vp) /* check boolean for legal values */
414 register VARIABLE *vp;
415 {
416 if (!vp->nass) return;
417 onevalue(vp);
418 switch (UPPER(vp->value[0])) {
419 case 'T':
420 if (badmatch(vp->value, "TRUE")) break;
421 return;
422 case 'F':
423 if (badmatch(vp->value, "FALSE")) break;
424 return;
425 }
426 fprintf(stderr, "%s: illegal value for boolean variable '%s'\n",
427 progname, vp->name);
428 exit(1);
429 }
430
431
432 qualvalue(vp) /* check qualitative var. for legal values */
433 register VARIABLE *vp;
434 {
435 if (!vp->nass) return;
436 onevalue(vp);
437 switch (UPPER(vp->value[0])) {
438 case 'L':
439 if (badmatch(vp->value, "LOW")) break;
440 return;
441 case 'M':
442 if (badmatch(vp->value, "MEDIUM")) break;
443 return;
444 case 'H':
445 if (badmatch(vp->value, "HIGH")) break;
446 return;
447 }
448 fprintf(stderr, "%s: illegal value for qualitative variable '%s'\n",
449 progname, vp->name);
450 exit(1);
451 }
452
453
454 intvalue(vp) /* check integer variable for legal values */
455 register VARIABLE *vp;
456 {
457 if (!vp->nass) return;
458 onevalue(vp);
459 if (isint(vp->value)) return;
460 fprintf(stderr, "%s: illegal value for integer variable '%s'\n",
461 progname, vp->name);
462 exit(1);
463 }
464
465
466 fltvalue(vp) /* check float variable for legal values */
467 register VARIABLE *vp;
468 {
469 if (!vp->nass) return;
470 onevalue(vp);
471 if (isflt(vp->value)) return;
472 fprintf(stderr, "%s: illegal value for real variable '%s'\n",
473 progname, vp->name);
474 exit(1);
475 }
476
477
478 time_t
479 checklast(fnames) /* check files and find most recent */
480 register char *fnames;
481 {
482 char thisfile[MAXPATH];
483 time_t thisdate, lastdate = 0;
484 register char *cp;
485
486 if (fnames == NULL)
487 return(0);
488 while (*fnames) {
489 while (isspace(*fnames)) fnames++;
490 cp = thisfile;
491 while (*fnames && !isspace(*fnames))
492 *cp++ = *fnames++;
493 *cp = '\0';
494 if (!(thisdate = fdate(thisfile)))
495 syserr(thisfile);
496 if (thisdate > lastdate)
497 lastdate = thisdate;
498 }
499 return(lastdate);
500 }
501
502
503 char *
504 newfname(orig, pred) /* create modified file name */
505 char *orig;
506 int pred;
507 {
508 extern char *rindex();
509 register char *cp;
510 register int n;
511 int suffix;
512
513 n = 0; cp = orig; suffix = -1; /* suffix position, length */
514 while (*cp) {
515 if (*cp == '.') suffix = n;
516 else if (ISDIRSEP(*cp)) suffix = -1;
517 cp++; n++;
518 }
519 if (suffix == -1) suffix = n;
520 if ((cp = bmalloc(n+2)) == NULL)
521 syserr(progname);
522 strncpy(cp, orig, suffix);
523 cp[suffix] = pred; /* root name + pred + suffix */
524 strcpy(cp+suffix+1, orig+suffix);
525 return(cp);
526 }
527
528
529 checkfiles() /* check for existence and modified times */
530 {
531 time_t objdate;
532
533 if (!vdef(OCTREE)) {
534 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
535 syserr(progname);
536 sprintf(vval(OCTREE), "%s.oct", radname);
537 vdef(OCTREE)++;
538 }
539 octreedate = fdate(vval(OCTREE));
540 if (vdef(ILLUM)) { /* illum requires secondary octrees */
541 oct0name = newfname(vval(OCTREE), '0');
542 oct1name = newfname(vval(OCTREE), '1');
543 oct0date = fdate(oct0name);
544 oct1date = fdate(oct1name);
545 } else
546 oct0name = oct1name = vval(OCTREE);
547 if ((scenedate = checklast(vval(SCENE))) &&
548 (objdate = checklast(vval(OBJECT))) > scenedate)
549 scenedate = objdate;
550 illumdate = checklast(vval(ILLUM));
551 if (!octreedate & !scenedate & !illumdate) {
552 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
553 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
554 exit(1);
555 }
556 matdate = checklast(vval(MATERIAL));
557 }
558
559
560 getoctcube(org, sizp) /* get octree bounding cube */
561 double org[3], *sizp;
562 {
563 extern FILE *popen();
564 static double oorg[3], osiz = 0.;
565 double min[3], max[3];
566 char buf[512];
567 FILE *fp;
568 register int i;
569
570 if (osiz <= FTINY)
571 if (noaction && fdate(oct1name) <
572 (scenedate>illumdate?scenedate:illumdate)) {
573 /* run getbbox */
574 sprintf(buf, "getbbox -w -h %s",
575 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
576 if ((fp = popen(buf, "r")) == NULL)
577 syserr("getbbox");
578 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
579 &min[0], &max[0], &min[1], &max[1],
580 &min[2], &max[2]) != 6) {
581 fprintf(stderr,
582 "%s: error reading bounding box from getbbox\n",
583 progname);
584 exit(1);
585 }
586 for (i = 0; i < 3; i++)
587 if (max[i] - min[i] > osiz)
588 osiz = max[i] - min[i];
589 for (i = 0; i < 3; i++)
590 oorg[i] = (max[i]+min[i]-osiz)*.5;
591 pclose(fp);
592 } else { /* from octree */
593 oconv(); /* does nothing if done already */
594 sprintf(buf, "getinfo -d < %s", oct1name);
595 if ((fp = popen(buf, "r")) == NULL)
596 syserr("getinfo");
597 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
598 &oorg[2], &osiz) != 4) {
599 fprintf(stderr,
600 "%s: error reading bounding cube from getinfo\n",
601 progname);
602 exit(1);
603 }
604 pclose(fp);
605 }
606 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
607 }
608
609
610 setdefaults() /* set default values for unassigned var's */
611 {
612 double org[3], size;
613 char buf[128];
614
615 if (!vdef(ZONE)) {
616 getoctcube(org, &size);
617 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
618 org[1], org[1]+size, org[2], org[2]+size);
619 vval(ZONE) = savqstr(buf);
620 vdef(ZONE)++;
621 }
622 if (!vdef(INDIRECT)) {
623 vval(INDIRECT) = "0";
624 vdef(INDIRECT)++;
625 }
626 if (!vdef(QUALITY)) {
627 vval(QUALITY) = "L";
628 vdef(QUALITY)++;
629 }
630 if (!vdef(RESOLUTION)) {
631 vval(RESOLUTION) = "512";
632 vdef(RESOLUTION)++;
633 }
634 if (!vdef(PICTURE)) {
635 vval(PICTURE) = radname;
636 vdef(PICTURE)++;
637 }
638 if (!vdef(VIEW)) {
639 vval(VIEW) = "X";
640 vdef(VIEW)++;
641 }
642 if (!vdef(DETAIL)) {
643 vval(DETAIL) = "M";
644 vdef(DETAIL)++;
645 }
646 if (!vdef(PENUMBRAS)) {
647 vval(PENUMBRAS) = "F";
648 vdef(PENUMBRAS)++;
649 }
650 if (!vdef(VARIABILITY)) {
651 vval(VARIABILITY) = "L";
652 vdef(VARIABILITY)++;
653 }
654 }
655
656
657 printvals() /* print variable values */
658 {
659 int i, j, clipline;
660 register char *cp;
661 register int k;
662
663 for (i = 0; i < NVARS; i++) /* print each variable */
664 for (j = 0; j < vdef(i); j++) { /* print each assignment */
665 fputs(vnam(i), stdout);
666 fputs("= ", stdout);
667 k = clipline = ( vv[i].fixval == catvalues ? 64 : 320 )
668 - strlen(vnam(i)) ;
669 cp = nvalue(vv+i, j);
670 while (*cp) {
671 putchar(*cp++);
672 if (--k <= 0) { /* line too long */
673 while (*cp && !isspace(*cp))
674 putchar(*cp++); /* finish this word */
675 if (*cp) { /* start new line */
676 putchar('\n');
677 fputs(vnam(i), stdout);
678 putchar('=');
679 k = clipline;
680 }
681 }
682 }
683 putchar('\n');
684 }
685 fflush(stdout);
686 }
687
688
689 oconv() /* run oconv and mkillum if necessary */
690 {
691 static char illumtmp[] = "ilXXXXXX";
692 char combuf[512], ocopts[64], mkopts[64];
693
694 oconvopts(ocopts); /* get options */
695 if (octreedate < scenedate) { /* check date on original octree */
696 if (touchonly && octreedate)
697 touch(vval(OCTREE));
698 else { /* build command */
699 if (vdef(MATERIAL))
700 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
701 vval(MATERIAL), vval(SCENE),
702 vval(OCTREE));
703 else
704 sprintf(combuf, "oconv%s %s > %s", ocopts,
705 vval(SCENE), vval(OCTREE));
706
707 if (runcom(combuf)) { /* run it */
708 fprintf(stderr,
709 "%s: error generating octree\n\t%s removed\n",
710 progname, vval(OCTREE));
711 unlink(vval(OCTREE));
712 exit(1);
713 }
714 }
715 octreedate = time((time_t *)NULL);
716 if (octreedate < scenedate) /* in case clock is off */
717 octreedate = scenedate;
718 }
719 if (oct1name == vval(OCTREE)) /* no mkillum? */
720 oct1date = octreedate > matdate ? octreedate : matdate;
721 if (oct1date >= octreedate & oct1date >= matdate
722 & oct1date >= illumdate) /* all done */
723 return;
724 /* make octree0 */
725 if (oct0date < scenedate | oct0date < illumdate) {
726 if (touchonly && oct0date)
727 touch(oct0name);
728 else { /* build command */
729 if (octreedate)
730 sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
731 vval(OCTREE), vval(ILLUM), oct0name);
732 else if (vdef(MATERIAL))
733 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
734 vval(MATERIAL), vval(ILLUM), oct0name);
735 else
736 sprintf(combuf, "oconv%s %s > %s", ocopts,
737 vval(ILLUM), oct0name);
738 if (runcom(combuf)) { /* run it */
739 fprintf(stderr,
740 "%s: error generating octree\n\t%s removed\n",
741 progname, oct0name);
742 unlink(oct0name);
743 exit(1);
744 }
745 }
746 oct0date = time((time_t *)NULL);
747 if (oct0date < octreedate) /* in case clock is off */
748 oct0date = octreedate;
749 if (oct0date < illumdate) /* ditto */
750 oct0date = illumdate;
751 }
752 if (touchonly && oct1date)
753 touch(oct1name);
754 else {
755 mkillumopts(mkopts); /* build mkillum command */
756 mktemp(illumtmp);
757 sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
758 oct0name, vval(ILLUM), illumtmp);
759 if (runcom(combuf)) { /* run it */
760 fprintf(stderr, "%s: error running mkillum\n",
761 progname);
762 unlink(illumtmp);
763 exit(1);
764 }
765 /* make octree1 (frozen) */
766 if (octreedate)
767 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
768 vval(OCTREE), illumtmp, oct1name);
769 else if (vdef(MATERIAL))
770 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
771 vval(MATERIAL), illumtmp, oct1name);
772 else
773 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
774 illumtmp, oct1name);
775 if (runcom(combuf)) { /* run it */
776 fprintf(stderr,
777 "%s: error generating octree\n\t%s removed\n",
778 progname, oct1name);
779 unlink(oct1name);
780 exit(1);
781 }
782 rmfile(illumtmp);
783 }
784 oct1date = time((time_t *)NULL);
785 if (oct1date < oct0date) /* in case clock is off */
786 oct1date = oct0date;
787 }
788
789
790 char *
791 addarg(op, arg) /* add argument and advance pointer */
792 register char *op, *arg;
793 {
794 *op = ' ';
795 while (*++op = *arg++)
796 ;
797 return(op);
798 }
799
800
801 oconvopts(oo) /* get oconv options */
802 register char *oo;
803 {
804 /* BEWARE: This may be called via setdefaults(), so no assumptions */
805
806 *oo = '\0';
807 if (vdef(OCONV))
808 addarg(oo, vval(OCONV));
809 }
810
811
812 mkillumopts(mo) /* get mkillum options */
813 register char *mo;
814 {
815 /* BEWARE: This may be called via setdefaults(), so no assumptions */
816
817 *mo = '\0';
818 if (vdef(MKILLUM))
819 addarg(mo, vval(MKILLUM));
820 }
821
822
823 checkambfile() /* check date on ambient file */
824 {
825 time_t afdate;
826
827 if (!vdef(AMBFILE))
828 return;
829 if (!(afdate = fdate(vval(AMBFILE))))
830 return;
831 if (oct1date > afdate)
832 if (touchonly)
833 touch(vval(AMBFILE));
834 else
835 rmfile(vval(AMBFILE));
836 }
837
838
839 double
840 ambval() /* compute ambient value */
841 {
842 if (vdef(EXPOSURE)) {
843 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
844 return(.5/pow(2.,atof(vval(EXPOSURE))));
845 return(.5/atof(vval(EXPOSURE)));
846 }
847 if (vlet(ZONE) == 'E')
848 return(10.);
849 if (vlet(ZONE) == 'I')
850 return(.01);
851 badvalue(ZONE);
852 }
853
854
855 renderopts(op, po) /* set rendering options */
856 char *op, *po;
857 {
858 switch(vscale(QUALITY)) {
859 case LOW:
860 lowqopts(op, po);
861 break;
862 case MEDIUM:
863 medqopts(op, po);
864 break;
865 case HIGH:
866 hiqopts(op, po);
867 break;
868 }
869 }
870
871
872 lowqopts(op, po) /* low quality rendering options */
873 register char *op;
874 char *po;
875 {
876 double d, org[3], siz[3];
877
878 *op = '\0';
879 *po = '\0';
880 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
881 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
882 badvalue(ZONE);
883 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
884 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
885 badvalue(ZONE);
886 getoctcube(org, &d);
887 d *= 3./(siz[0]+siz[1]+siz[2]);
888 switch (vscale(DETAIL)) {
889 case LOW:
890 po = addarg(po, "-ps 16");
891 op = addarg(op, "-dp 64");
892 sprintf(op, " -ar %d", (int)(4*d));
893 op += strlen(op);
894 break;
895 case MEDIUM:
896 po = addarg(po, "-ps 8");
897 op = addarg(op, "-dp 128");
898 sprintf(op, " -ar %d", (int)(8*d));
899 op += strlen(op);
900 break;
901 case HIGH:
902 po = addarg(po, "-ps 4");
903 op = addarg(op, "-dp 256");
904 sprintf(op, " -ar %d", (int)(16*d));
905 op += strlen(op);
906 break;
907 }
908 po = addarg(po, "-pt .16");
909 if (vbool(PENUMBRAS))
910 op = addarg(op, "-ds .4");
911 else
912 op = addarg(op, "-ds 0");
913 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
914 if (vdef(AMBFILE)) {
915 sprintf(op, " -af %s", vval(AMBFILE));
916 op += strlen(op);
917 } else
918 overture = 0;
919 switch (vscale(VARIABILITY)) {
920 case LOW:
921 op = addarg(op, "-aa .4 -ad 64");
922 break;
923 case MEDIUM:
924 op = addarg(op, "-aa .3 -ad 128");
925 break;
926 case HIGH:
927 op = addarg(op, "-aa .25 -ad 256");
928 break;
929 }
930 op = addarg(op, "-as 0");
931 d = ambval();
932 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
933 op += strlen(op);
934 op = addarg(op, "-lr 3 -lw .02");
935 if (vdef(RENDER))
936 op = addarg(op, vval(RENDER));
937 }
938
939
940 medqopts(op, po) /* medium quality rendering options */
941 register char *op;
942 char *po;
943 {
944 double d, org[3], siz[3];
945
946 *op = '\0';
947 *po = '\0';
948 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
949 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
950 badvalue(ZONE);
951 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
952 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
953 badvalue(ZONE);
954 getoctcube(org, &d);
955 d *= 3./(siz[0]+siz[1]+siz[2]);
956 switch (vscale(DETAIL)) {
957 case LOW:
958 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
959 op = addarg(op, "-dp 256");
960 sprintf(op, " -ar %d", (int)(8*d));
961 op += strlen(op);
962 break;
963 case MEDIUM:
964 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
965 op = addarg(op, "-dp 512");
966 sprintf(op, " -ar %d", (int)(16*d));
967 op += strlen(op);
968 break;
969 case HIGH:
970 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
971 op = addarg(op, "-dp 1024");
972 sprintf(op, " -ar %d", (int)(32*d));
973 op += strlen(op);
974 break;
975 }
976 po = addarg(po, "-pt .08");
977 if (vbool(PENUMBRAS))
978 op = addarg(op, "-ds .2 -dj .5");
979 else
980 op = addarg(op, "-ds .3");
981 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
982 if (overture = vint(INDIRECT)) {
983 sprintf(op, " -ab %d", overture);
984 op += strlen(op);
985 }
986 if (vdef(AMBFILE)) {
987 sprintf(op, " -af %s", vval(AMBFILE));
988 op += strlen(op);
989 } else
990 overture = 0;
991 switch (vscale(VARIABILITY)) {
992 case LOW:
993 op = addarg(op, "-aa .25 -ad 196 -as 0");
994 break;
995 case MEDIUM:
996 op = addarg(op, "-aa .2 -ad 400 -as 64");
997 break;
998 case HIGH:
999 op = addarg(op, "-aa .15 -ad 768 -as 196");
1000 break;
1001 }
1002 d = ambval();
1003 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1004 op += strlen(op);
1005 op = addarg(op, "-lr 6 -lw .002");
1006 if (vdef(RENDER))
1007 op = addarg(op, vval(RENDER));
1008 }
1009
1010
1011 hiqopts(op, po) /* high quality rendering options */
1012 register char *op;
1013 char *po;
1014 {
1015 double d, org[3], siz[3];
1016
1017 *op = '\0';
1018 *po = '\0';
1019 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
1020 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
1021 badvalue(ZONE);
1022 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
1023 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
1024 badvalue(ZONE);
1025 getoctcube(org, &d);
1026 d *= 3./(siz[0]+siz[1]+siz[2]);
1027 switch (vscale(DETAIL)) {
1028 case LOW:
1029 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
1030 op = addarg(op, "-dp 1024");
1031 sprintf(op, " -ar %d", (int)(16*d));
1032 op += strlen(op);
1033 break;
1034 case MEDIUM:
1035 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
1036 op = addarg(op, "-dp 2048");
1037 sprintf(op, " -ar %d", (int)(32*d));
1038 op += strlen(op);
1039 break;
1040 case HIGH:
1041 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
1042 op = addarg(op, "-dp 4096");
1043 sprintf(op, " -ar %d", (int)(64*d));
1044 op += strlen(op);
1045 break;
1046 }
1047 po = addarg(po, "-pt .04");
1048 if (vbool(PENUMBRAS))
1049 op = addarg(op, "-ds .1 -dj .65");
1050 else
1051 op = addarg(op, "-ds .2");
1052 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
1053 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
1054 op += strlen(op);
1055 if (vdef(AMBFILE)) {
1056 sprintf(op, " -af %s", vval(AMBFILE));
1057 op += strlen(op);
1058 } else
1059 overture = 0;
1060 switch (vscale(VARIABILITY)) {
1061 case LOW:
1062 op = addarg(op, "-aa .15 -ad 256 -as 0");
1063 break;
1064 case MEDIUM:
1065 op = addarg(op, "-aa .125 -ad 512 -as 256");
1066 break;
1067 case HIGH:
1068 op = addarg(op, "-aa .08 -ad 1024 -as 512");
1069 break;
1070 }
1071 d = ambval();
1072 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1073 op += strlen(op);
1074 op = addarg(op, "-lr 12 -lw .0005");
1075 if (vdef(RENDER))
1076 op = addarg(op, vval(RENDER));
1077 }
1078
1079
1080 xferopts(ro) /* transfer options if indicated */
1081 char *ro;
1082 {
1083 int fd, n;
1084 register char *cp;
1085
1086 n = strlen(ro);
1087 if (n < 2)
1088 return;
1089 if (vdef(OPTFILE)) {
1090 for (cp = ro; cp[1]; cp++)
1091 if (isspace(cp[1]) && cp[2] == '-' && isalpha(cp[3]))
1092 *cp = '\n';
1093 else
1094 *cp = cp[1];
1095 *cp = '\n';
1096 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1097 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1098 syserr(vval(OPTFILE));
1099 sprintf(ro, " @%s", vval(OPTFILE));
1100 }
1101 #ifdef MSDOS
1102 else if (n > 50) {
1103 setenv("ROPT", ro+1);
1104 strcpy(ro, " $ROPT");
1105 }
1106 #endif
1107 }
1108
1109
1110 pfiltopts(po) /* get pfilt options */
1111 register char *po;
1112 {
1113 *po = '\0';
1114 if (vdef(EXPOSURE)) {
1115 po = addarg(po, "-1 -e");
1116 po = addarg(po, vval(EXPOSURE));
1117 }
1118 switch (vscale(QUALITY)) {
1119 case MEDIUM:
1120 po = addarg(po, "-r 1");
1121 break;
1122 case HIGH:
1123 po = addarg(po, "-m .25");
1124 break;
1125 }
1126 if (vdef(PFILT))
1127 po = addarg(po, vval(PFILT));
1128 }
1129
1130
1131 matchword(s1, s2) /* match white-delimited words */
1132 register char *s1, *s2;
1133 {
1134 while (isspace(*s1)) s1++;
1135 while (isspace(*s2)) s2++;
1136 while (*s1 && !isspace(*s1))
1137 if (*s1++ != *s2++)
1138 return(0);
1139 return(!*s2 || isspace(*s2));
1140 }
1141
1142
1143 char *
1144 specview(vs) /* get proper view spec from vs */
1145 register char *vs;
1146 {
1147 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1148 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1149 static char viewopts[128];
1150 register char *cp;
1151 int xpos, ypos, zpos, viewtype, upax;
1152 register int i;
1153 double cent[3], dim[3], mult, d;
1154
1155 if (vs == NULL || *vs == '-')
1156 return(vs);
1157 upax = 0; /* get the up vector */
1158 if (vdef(UP)) {
1159 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1160 upax = 1-'X'+UPPER(vval(UP)[1]);
1161 else
1162 upax = 1-'X'+vlet(UP);
1163 if (upax < 1 | upax > 3)
1164 badvalue(UP);
1165 if (vval(UP)[0] == '-')
1166 upax = -upax;
1167 }
1168 /* check standard view names */
1169 xpos = ypos = zpos = 0;
1170 if (*vs == 'X') {
1171 xpos = 1; vs++;
1172 } else if (*vs == 'x') {
1173 xpos = -1; vs++;
1174 }
1175 if (*vs == 'Y') {
1176 ypos = 1; vs++;
1177 } else if (*vs == 'y') {
1178 ypos = -1; vs++;
1179 }
1180 if (*vs == 'Z') {
1181 zpos = 1; vs++;
1182 } else if (*vs == 'z') {
1183 zpos = -1; vs++;
1184 }
1185 viewtype = 'v';
1186 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
1187 viewtype = *vs++;
1188 cp = viewopts;
1189 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1190 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1191 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1192 &cent[0], &dim[0], &cent[1], &dim[1],
1193 &cent[2], &dim[2]) != 6)
1194 badvalue(ZONE);
1195 for (i = 0; i < 3; i++) {
1196 dim[i] -= cent[i];
1197 if (dim[i] <= FTINY)
1198 badvalue(ZONE);
1199 cent[i] += .5*dim[i];
1200 }
1201 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1202 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1203 cent[0]+xpos*mult*dim[0],
1204 cent[1]+ypos*mult*dim[1],
1205 cent[2]+zpos*mult*dim[2],
1206 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1207 cp += strlen(cp);
1208 /* redirect up axis if necessary */
1209 switch (upax) {
1210 case 3: /* plus or minus Z axis */
1211 case -3:
1212 case 0:
1213 if (!(xpos|ypos))
1214 upax = 2;
1215 break;
1216 case 2: /* plus or minus Y axis */
1217 case -2:
1218 if (!(xpos|zpos))
1219 upax = 1;
1220 break;
1221 case 1: /* plus or minus X axis */
1222 case -1:
1223 if (!(ypos|zpos))
1224 upax = 3;
1225 break;
1226 }
1227 cp = addarg(cp, vup[upax+3]);
1228 switch (viewtype) {
1229 case 'v':
1230 cp = addarg(cp, "-vh 45 -vv 45");
1231 break;
1232 case 'l':
1233 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1234 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1235 cp += strlen(cp);
1236 break;
1237 case 'a':
1238 case 'h':
1239 cp = addarg(cp, "-vh 180 -vv 180");
1240 break;
1241 case 'c':
1242 cp = addarg(cp, "-vh 180 -vv 90");
1243 break;
1244 }
1245 } else {
1246 while (!isspace(*vs)) /* else skip id */
1247 if (!*vs++)
1248 return(NULL);
1249 if (upax) { /* specify up vector */
1250 strcpy(cp, vup[upax+3]);
1251 cp += strlen(cp);
1252 }
1253 }
1254 if (cp == viewopts) /* append any additional options */
1255 vs++; /* skip prefixed space if unneeded */
1256 strcpy(cp, vs);
1257 #ifdef MSDOS
1258 if (strlen(viewopts) > 40) {
1259 setenv("VIEW", viewopts);
1260 return("$VIEW");
1261 }
1262 #endif
1263 return(viewopts);
1264 }
1265
1266
1267 char *
1268 getview(n, vn) /* get view n, or NULL if none */
1269 int n;
1270 char *vn; /* returned view name */
1271 {
1272 register char *mv;
1273
1274 if (viewselect != NULL) { /* command-line selected */
1275 if (n) /* only do one */
1276 return(NULL);
1277 if (viewselect[0] == '-') { /* already specified */
1278 if (vn != NULL) *vn = '\0';
1279 return(viewselect);
1280 }
1281 if (vn != NULL) {
1282 for (mv = viewselect; *mv && !isspace(*mv);
1283 *vn++ = *mv++)
1284 ;
1285 *vn = '\0';
1286 }
1287 /* view number? */
1288 if (isint(viewselect))
1289 return(specview(nvalue(vv+VIEW, atoi(viewselect)-1)));
1290 /* check list */
1291 while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1292 if (matchword(viewselect, mv))
1293 return(specview(mv));
1294 return(specview(viewselect)); /* standard view? */
1295 }
1296 mv = nvalue(vv+VIEW, n); /* use view n */
1297 if (vn != NULL & mv != NULL) {
1298 register char *mv2 = mv;
1299 if (*mv2 != '-')
1300 while (*mv2 && !isspace(*mv2))
1301 *vn++ = *mv2++;
1302 *vn = '\0';
1303 }
1304 return(specview(mv));
1305 }
1306
1307
1308 printview(vopts) /* print out selected view */
1309 register char *vopts;
1310 {
1311 extern char *atos(), *getenv();
1312 char buf[256];
1313 FILE *fp;
1314 register char *cp;
1315
1316 if (vopts == NULL)
1317 return(-1);
1318 fputs("VIEW=", stdout);
1319 do {
1320 if (matchword(vopts, "-vf")) { /* expand view file */
1321 vopts = sskip(vopts);
1322 if (!*atos(buf, sizeof(buf), vopts))
1323 return(-1);
1324 if ((fp = fopen(buf, "r")) == NULL)
1325 return(-1);
1326 for (buf[sizeof(buf)-2] = '\n';
1327 fgets(buf, sizeof(buf), fp) != NULL &&
1328 buf[0] != '\n';
1329 buf[sizeof(buf)-2] = '\n') {
1330 if (buf[sizeof(buf)-2] != '\n') {
1331 ungetc(buf[sizeof(buf)-2], fp);
1332 buf[sizeof(buf)-2] = '\0';
1333 }
1334 if (matchword(buf, "VIEW=") ||
1335 matchword(buf, "rview")) {
1336 for (cp = sskip(buf); *cp && *cp != '\n'; cp++)
1337 putchar(*cp);
1338 }
1339 }
1340 fclose(fp);
1341 vopts = sskip(vopts);
1342 } else {
1343 while (isspace(*vopts))
1344 vopts++;
1345 putchar(' ');
1346 #ifdef MSDOS
1347 if (*vopts == '$') { /* expand env. var. */
1348 if (!*atos(buf, sizeof(buf), vopts+1))
1349 return(-1);
1350 if ((cp = getenv(buf)) == NULL)
1351 return(-1);
1352 fputs(cp, stdout);
1353 vopts = sskip(vopts);
1354 } else
1355 #endif
1356 while (*vopts && !isspace(*vopts))
1357 putchar(*vopts++);
1358 }
1359 } while (*vopts++);
1360 putchar('\n');
1361 return(0);
1362 }
1363
1364
1365 rview(opts, po) /* run rview with first view */
1366 char *opts, *po;
1367 {
1368 char *vw;
1369 char combuf[512];
1370 /* build command */
1371 if (touchonly || (vw = getview(0, NULL)) == NULL)
1372 return;
1373 if (sayview)
1374 printview(vw);
1375 sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1376 if (rvdevice != NULL)
1377 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1378 if (vdef(EXPOSURE))
1379 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1380 strcat(combuf, oct1name);
1381 if (runcom(combuf)) { /* run it */
1382 fprintf(stderr, "%s: error running rview\n", progname);
1383 exit(1);
1384 }
1385 }
1386
1387
1388 rpict(opts, po) /* run rpict and pfilt for each view */
1389 char *opts, *po;
1390 {
1391 char combuf[1024];
1392 char rawfile[MAXPATH], picfile[MAXPATH];
1393 char zopt[MAXPATH+4], rep[MAXPATH+16], res[32];
1394 char pfopts[128];
1395 char vs[32], *vw;
1396 int vn, mult;
1397 time_t rfdt, pfdt;
1398 /* get pfilt options */
1399 pfiltopts(pfopts);
1400 /* get resolution, reporting */
1401 switch (vscale(QUALITY)) {
1402 case LOW:
1403 mult = 1;
1404 break;
1405 case MEDIUM:
1406 mult = 2;
1407 break;
1408 case HIGH:
1409 mult = 3;
1410 break;
1411 }
1412 {
1413 int xres, yres;
1414 double aspect;
1415 int n;
1416 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1417 if (n == 3)
1418 sprintf(res, "-x %d -y %d -pa %.3f",
1419 mult*xres, mult*yres, aspect);
1420 else if (n) {
1421 if (n == 1) yres = xres;
1422 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1423 } else
1424 badvalue(RESOLUTION);
1425 }
1426 rep[0] = '\0';
1427 if (vdef(REPORT)) {
1428 double minutes;
1429 int n;
1430 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1431 if (n == 2)
1432 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1433 else if (n == 1)
1434 sprintf(rep, " -t %d", (int)(minutes*60));
1435 else
1436 badvalue(REPORT);
1437 }
1438 /* do each view */
1439 vn = 0;
1440 while ((vw = getview(vn++, vs)) != NULL) {
1441 if (sayview)
1442 printview(vw);
1443 if (!vs[0])
1444 sprintf(vs, "%d", vn);
1445 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1446 if (vdef(ZFILE))
1447 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1448 else
1449 zopt[0] = '\0';
1450 /* check date on picture */
1451 pfdt = fdate(picfile);
1452 if (pfdt >= oct1date)
1453 continue;
1454 /* get raw file name */
1455 sprintf(rawfile, "%s_%s.unf",
1456 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1457 rfdt = fdate(rawfile);
1458 if (touchonly) { /* update times only */
1459 if (rfdt) {
1460 if (rfdt < oct1date)
1461 touch(rawfile);
1462 } else if (pfdt && pfdt < oct1date)
1463 touch(picfile);
1464 continue;
1465 }
1466 /* build rpict command */
1467 if (rfdt >= oct1date) /* recover */
1468 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1469 rep, po, opts, zopt, rawfile, oct1name);
1470 else {
1471 if (overture) { /* run overture calculation */
1472 sprintf(combuf,
1473 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1474 rep, vw, opts,
1475 oct1name, overfile);
1476 if (runcom(combuf)) {
1477 fprintf(stderr,
1478 "%s: error in overture for view %s\n",
1479 progname, vs);
1480 exit(1);
1481 }
1482 #ifdef NIX
1483 rmfile(overfile);
1484 #endif
1485 }
1486 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1487 rep, vw, res, po, opts, zopt,
1488 oct1name, rawfile);
1489 }
1490 if (runcom(combuf)) { /* run rpict */
1491 fprintf(stderr, "%s: error rendering view %s\n",
1492 progname, vs);
1493 exit(1);
1494 }
1495 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1496 /* build pfilt command */
1497 if (mult > 1)
1498 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1499 pfopts, mult, mult, rawfile, picfile);
1500 else
1501 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1502 rawfile, picfile);
1503 if (runcom(combuf)) { /* run pfilt */
1504 fprintf(stderr,
1505 "%s: error filtering view %s\n\t%s removed\n",
1506 progname, vs, picfile);
1507 unlink(picfile);
1508 exit(1);
1509 }
1510 }
1511 /* remove/rename raw file */
1512 if (vdef(RAWFILE)) {
1513 sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1514 mvfile(rawfile, combuf);
1515 } else
1516 rmfile(rawfile);
1517 }
1518 }
1519
1520
1521 touch(fn) /* update a file */
1522 char *fn;
1523 {
1524 if (!silent)
1525 printf("\ttouch %s\n", fn);
1526 if (noaction)
1527 return(0);
1528 #ifdef notused
1529 if (access(fn, F_OK) == -1) /* create it */
1530 if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1531 return(-1);
1532 #endif
1533 return(setfdate(fn, time((time_t *)NULL)));
1534 }
1535
1536
1537 runcom(cs) /* run command */
1538 char *cs;
1539 {
1540 if (!silent) /* echo it */
1541 printf("\t%s\n", cs);
1542 if (noaction)
1543 return(0);
1544 fflush(stdout); /* flush output and pass to shell */
1545 return(system(cs));
1546 }
1547
1548
1549 rmfile(fn) /* remove a file */
1550 char *fn;
1551 {
1552 if (!silent)
1553 #ifdef MSDOS
1554 printf("\tdel %s\n", fn);
1555 #else
1556 printf("\trm -f %s\n", fn);
1557 #endif
1558 if (noaction)
1559 return(0);
1560 return(unlink(fn));
1561 }
1562
1563
1564 mvfile(fold, fnew) /* move a file */
1565 char *fold, *fnew;
1566 {
1567 if (!silent)
1568 #ifdef MSDOS
1569 printf("\trename %s %s\n", fold, fnew);
1570 #else
1571 printf("\tmv %s %s\n", fold, fnew);
1572 #endif
1573 if (noaction)
1574 return(0);
1575 return(rename(fold, fnew));
1576 }
1577
1578
1579 #ifdef MSDOS
1580 setenv(vname, value) /* set an environment variable */
1581 char *vname, *value;
1582 {
1583 register char *evp;
1584
1585 evp = bmalloc(strlen(vname)+strlen(value)+2);
1586 if (evp == NULL)
1587 syserr(progname);
1588 sprintf(evp, "%s=%s", vname, value);
1589 if (putenv(evp) != 0) {
1590 fprintf(stderr, "%s: out of environment space\n", progname);
1591 exit(1);
1592 }
1593 if (!silent)
1594 printf("set %s\n", evp);
1595 }
1596 #endif
1597
1598
1599 badvalue(vc) /* report bad variable value and exit */
1600 int vc;
1601 {
1602 fprintf(stderr, "%s: bad value for variable '%s'\n",
1603 progname, vnam(vc));
1604 exit(1);
1605 }
1606
1607
1608 syserr(s) /* report a system error and exit */
1609 char *s;
1610 {
1611 perror(s);
1612 exit(1);
1613 }