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root/radiance/ray/src/util/rad.c
Revision: 2.4
Committed: Fri Mar 12 13:37:03 1993 UTC (31 years, 1 month ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.3: +86 -123 lines
Log Message:
numerous minor bug fixes and enhancements

File Contents

# Content
1 /* Copyright (c) 1993 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
15
16 typedef struct {
17 char *name; /* variable name */
18 short nick; /* # characters required for nickname */
19 short nass; /* # assignments made */
20 char *value; /* assigned value(s) */
21 int (*fixval)(); /* assignment checking function */
22 } VARIABLE;
23
24 int onevalue(), catvalues();
25
26 /* variables */
27 #define OBJECT 0 /* object files */
28 #define SCENE 1 /* scene files */
29 #define MATERIAL 2 /* material files */
30 #define RENDER 3 /* rendering options */
31 #define OCONV 4 /* oconv options */
32 #define PFILT 5 /* pfilt options */
33 #define VIEW 6 /* view(s) for picture(s) */
34 #define ZONE 7 /* simulation zone */
35 #define QUALITY 8 /* desired rendering quality */
36 #define OCTREE 9 /* octree file name */
37 #define PICTURE 10 /* picture file name */
38 #define AMBFILE 11 /* ambient file name */
39 #define OPTFILE 12 /* rendering options file */
40 #define EXPOSURE 13 /* picture exposure setting */
41 #define RESOLUTION 14 /* maximum picture resolution */
42 #define UP 15 /* view up (X, Y or Z) */
43 #define INDIRECT 16 /* indirection in lighting */
44 #define DETAIL 17 /* level of scene detail */
45 #define PENUMBRAS 18 /* shadow penumbras are desired */
46 #define VARIABILITY 19 /* level of light variability */
47 #define REPORT 20 /* report frequency and errfile */
48 /* total number of variables */
49 #define NVARS 21
50
51 VARIABLE vv[NVARS] = { /* variable-value pairs */
52 {"objects", 3, 0, NULL, catvalues},
53 {"scene", 3, 0, NULL, catvalues},
54 {"materials", 3, 0, NULL, catvalues},
55 {"render", 3, 0, NULL, catvalues},
56 {"oconv", 3, 0, NULL, catvalues},
57 {"pfilt", 2, 0, NULL, catvalues},
58 {"view", 2, 0, NULL, NULL},
59 {"ZONE", 2, 0, NULL, onevalue},
60 {"QUALITY", 3, 0, NULL, onevalue},
61 {"OCTREE", 3, 0, NULL, onevalue},
62 {"PICTURE", 3, 0, NULL, onevalue},
63 {"AMBFILE", 3, 0, NULL, onevalue},
64 {"OPTFILE", 3, 0, NULL, onevalue},
65 {"EXPOSURE", 3, 0, NULL, onevalue},
66 {"RESOLUTION", 3, 0, NULL, onevalue},
67 {"UP", 2, 0, NULL, onevalue},
68 {"INDIRECT", 3, 0, NULL, onevalue},
69 {"DETAIL", 3, 0, NULL, onevalue},
70 {"PENUMBRAS", 3, 0, NULL, onevalue},
71 {"VARIABILITY", 3, 0, NULL, onevalue},
72 {"REPORT", 3, 0, NULL, onevalue},
73 };
74
75 VARIABLE *matchvar();
76 char *nvalue();
77 int vscale();
78
79 #define UPPER(c) ((c)&~0x20) /* ASCII trick */
80
81 #define vnam(vc) (vv[vc].name)
82 #define vdef(vc) (vv[vc].nass)
83 #define vval(vc) (vv[vc].value)
84 #define vint(vc) atoi(vval(vc))
85 #define vlet(vc) UPPER(vval(vc)[0])
86 #define vbool(vc) (vlet(vc)=='T')
87
88 #define HIGH 2
89 #define MEDIUM 1
90 #define LOW 0
91
92 int lowqopts(), medqopts(), hiqopts();
93 int (*setqopts[3])() = {lowqopts, medqopts, hiqopts};
94
95 #define renderopts (*setqopts[vscale(QUALITY)])
96
97 extern long fdate(), time();
98
99 long scenedate; /* date of latest scene or object file */
100 long octreedate; /* date of octree */
101
102 int explicate = 0; /* explicate variables */
103 int silent = 0; /* do work silently */
104 int noaction = 0; /* don't do anything */
105 char *rvdevice = NULL; /* rview output device */
106 char *viewselect = NULL; /* specific view only */
107
108 int overture = 0; /* overture calculation needed */
109
110 char *progname; /* global argv[0] */
111
112 char radname[MAXPATH]; /* root Radiance file name */
113
114
115 main(argc, argv)
116 int argc;
117 char *argv[];
118 {
119 char ropts[512];
120 int i;
121
122 progname = argv[0];
123 /* get options */
124 for (i = 1; i < argc && argv[i][0] == '-'; i++)
125 switch (argv[i][1]) {
126 case 's':
127 silent++;
128 break;
129 case 'n':
130 noaction++;
131 break;
132 case 'e':
133 explicate++;
134 break;
135 case 'o':
136 rvdevice = argv[++i];
137 break;
138 case 'v':
139 viewselect = argv[++i];
140 break;
141 default:
142 goto userr;
143 }
144 if (i >= argc)
145 goto userr;
146 /* assign Radiance root file name */
147 rootname(radname, argv[i]);
148 /* load variable values */
149 load(argv[i]);
150 /* get any additional assignments */
151 for (i++; i < argc; i++)
152 setvariable(argv[i]);
153 /* check assignments */
154 checkvalues();
155 /* check files and dates */
156 checkfiles();
157 /* set default values as necessary */
158 setdefaults();
159 /* print all values if requested */
160 if (explicate)
161 printvals();
162 /* run simulation */
163 oconv();
164 renderopts(ropts);
165 xferopts(ropts);
166 if (rvdevice != NULL)
167 rview(ropts);
168 else
169 rpict(ropts);
170 exit(0);
171 userr:
172 fprintf(stderr,
173 "Usage: %s [-s][-n][-e][-v view][-o dev] rfile [VAR=value ..]\n",
174 progname);
175 exit(1);
176 }
177
178
179 rootname(rn, fn) /* remove tail from end of fn */
180 register char *rn, *fn;
181 {
182 char *tp, *dp;
183
184 for (tp = NULL, dp = rn; *rn = *fn++; rn++)
185 if (ISDIRSEP(*rn))
186 dp = rn;
187 else if (*rn == '.')
188 tp = rn;
189 if (tp != NULL && tp > dp)
190 *tp = '\0';
191 }
192
193
194 load(rfname) /* load Radiance simulation file */
195 char *rfname;
196 {
197 FILE *fp;
198 char buf[512];
199 register char *cp;
200
201 if (rfname == NULL)
202 fp = stdin;
203 else if ((fp = fopen(rfname, "r")) == NULL)
204 syserr(rfname);
205 while (fgetline(buf, sizeof(buf), fp) != NULL) {
206 for (cp = buf; *cp; cp++) {
207 switch (*cp) {
208 case '\\':
209 case '\n':
210 *cp = ' ';
211 continue;
212 case '#':
213 *cp = '\0';
214 break;
215 default:
216 continue;
217 }
218 break;
219 }
220 setvariable(buf);
221 }
222 fclose(fp);
223 }
224
225
226 setvariable(ass) /* assign variable according to string */
227 register char *ass;
228 {
229 char varname[32];
230 register char *cp;
231 register VARIABLE *vp;
232 register int i;
233 int n;
234
235 while (isspace(*ass)) /* skip leading space */
236 ass++;
237 cp = varname; /* extract name */
238 while (cp < varname+sizeof(varname)-1
239 && *ass && !isspace(*ass) && *ass != '=')
240 *cp++ = *ass++;
241 *cp = '\0';
242 if (!varname[0])
243 return; /* no variable name! */
244 /* trim value */
245 while (isspace(*ass) || *ass == '=')
246 ass++;
247 cp = ass + strlen(ass);
248 do
249 *cp-- = '\0';
250 while (cp >= ass && isspace(*cp));
251 n = cp - ass + 1;
252 if (!n) {
253 fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
254 progname, varname);
255 return;
256 }
257 /* match variable from list */
258 vp = matchvar(varname);
259 if (vp == NULL) {
260 fprintf(stderr, "%s: unknown variable '%s'\n",
261 progname, varname);
262 exit(1);
263 }
264 /* assign new value */
265 if (i = vp->nass) {
266 cp = vp->value;
267 while (i--)
268 while (*cp++)
269 ;
270 i = cp - vp->value;
271 vp->value = realloc(vp->value, i+n+1);
272 } else
273 vp->value = malloc(n+1);
274 if (vp->value == NULL)
275 syserr(progname);
276 strcpy(vp->value+i, ass);
277 vp->nass++;
278 }
279
280
281 VARIABLE *
282 matchvar(nam) /* match a variable by its name */
283 char *nam;
284 {
285 int n = strlen(nam);
286 register int i;
287
288 for (i = 0; i < NVARS; i++)
289 if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
290 return(vv+i);
291 return(NULL);
292 }
293
294
295 char *
296 nvalue(vp, n) /* return nth variable value */
297 VARIABLE *vp;
298 register int n;
299 {
300 register char *cp;
301
302 if (vp == NULL || n < 0 || n >= vp->nass)
303 return(NULL);
304 cp = vp->value;
305 while (n--)
306 while (*cp++)
307 ;
308 return(cp);
309 }
310
311
312 int
313 vscale(vc) /* return scale for variable vc */
314 int vc;
315 {
316 switch(vlet(vc)) {
317 case 'H':
318 return(HIGH);
319 case 'M':
320 return(MEDIUM);
321 case 'L':
322 return(LOW);
323 }
324 badvalue(vc);
325 }
326
327
328 checkvalues() /* check assignments */
329 {
330 register int i;
331
332 for (i = 0; i < NVARS; i++)
333 if (vv[i].fixval != NULL)
334 (*vv[i].fixval)(vv+i);
335 }
336
337
338 onevalue(vp) /* only one assignment for this variable */
339 register VARIABLE *vp;
340 {
341 if (vp->nass < 2)
342 return;
343 fprintf(stderr, "%s: warning - multiple assignment of variable '%s'\n",
344 progname, vp->name);
345 do
346 vp->value += strlen(vp->value)+1;
347 while (--vp->nass > 1);
348 }
349
350
351 catvalues(vp) /* concatenate variable values */
352 register VARIABLE *vp;
353 {
354 register char *cp;
355
356 if (vp->nass < 2)
357 return;
358 for (cp = vp->value; vp->nass > 1; vp->nass--) {
359 while (*cp)
360 cp++;
361 *cp++ = ' ';
362 }
363 }
364
365
366 long
367 checklast(fnames) /* check files and find most recent */
368 register char *fnames;
369 {
370 char thisfile[MAXPATH];
371 long thisdate, lastdate = -1;
372 register char *cp;
373
374 while (*fnames) {
375 while (isspace(*fnames)) fnames++;
376 cp = thisfile;
377 while (*fnames && !isspace(*fnames))
378 *cp++ = *fnames++;
379 *cp = '\0';
380 if ((thisdate = fdate(thisfile)) < 0)
381 syserr(thisfile);
382 if (thisdate > lastdate)
383 lastdate = thisdate;
384 }
385 return(lastdate);
386 }
387
388
389 checkfiles() /* check for existence and modified times */
390 {
391 char *cp;
392 long objdate;
393
394 if (!vdef(OCTREE)) {
395 if ((cp = bmalloc(strlen(radname)+5)) == NULL)
396 syserr(progname);
397 sprintf(cp, "%s.oct", radname);
398 vval(OCTREE) = cp;
399 vdef(OCTREE)++;
400 }
401 octreedate = fdate(vval(OCTREE));
402 scenedate = -1;
403 if (vdef(SCENE)) {
404 scenedate = checklast(vval(SCENE));
405 if (vdef(OBJECT)) {
406 objdate = checklast(vval(OBJECT));
407 if (objdate > scenedate)
408 scenedate = objdate;
409 }
410 }
411 if (octreedate < 0 & scenedate < 0) {
412 fprintf(stderr, "%s: need '%s' or '%s'\n", progname,
413 vnam(OCTREE), vnam(SCENE));
414 exit(1);
415 }
416 }
417
418
419 getoctcube(org, sizp) /* get octree bounding cube */
420 double org[3], *sizp;
421 {
422 extern FILE *popen();
423 static double oorg[3], osiz = 0.;
424 char buf[MAXPATH+16];
425 FILE *fp;
426
427 if (osiz <= FTINY) {
428 oconv(); /* does nothing if done already */
429 sprintf(buf, "getinfo -d < %s", vval(OCTREE));
430 if ((fp = popen(buf, "r")) == NULL)
431 syserr("getinfo");
432 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
433 &oorg[2], &osiz) != 4) {
434 fprintf(stderr,
435 "%s: error reading bounding cube from getinfo\n",
436 progname);
437 exit(1);
438 }
439 pclose(fp);
440 }
441 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
442 }
443
444
445 setdefaults() /* set default values for unassigned var's */
446 {
447 double org[3], size;
448 char buf[128];
449
450 if (!vdef(ZONE)) {
451 getoctcube(org, &size);
452 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
453 org[1], org[1]+size, org[2], org[2]+size);
454 vval(ZONE) = savqstr(buf);
455 vdef(ZONE)++;
456 }
457 if (!vdef(INDIRECT)) {
458 vval(INDIRECT) = "0";
459 vdef(INDIRECT)++;
460 }
461 if (!vdef(QUALITY)) {
462 vval(QUALITY) = "L";
463 vdef(QUALITY)++;
464 }
465 if (!vdef(RESOLUTION)) {
466 vval(RESOLUTION) = "512";
467 vdef(RESOLUTION)++;
468 }
469 if (!vdef(PICTURE)) {
470 vval(PICTURE) = radname;
471 vdef(PICTURE)++;
472 }
473 if (!vdef(VIEW)) {
474 vval(VIEW) = "X";
475 vdef(VIEW)++;
476 }
477 if (!vdef(DETAIL)) {
478 vval(DETAIL) = "M";
479 vdef(DETAIL)++;
480 }
481 if (!vdef(PENUMBRAS)) {
482 vval(PENUMBRAS) = "F";
483 vdef(PENUMBRAS)++;
484 }
485 if (!vdef(VARIABILITY)) {
486 vval(VARIABILITY) = "L";
487 vdef(VARIABILITY)++;
488 }
489 }
490
491
492 printvals() /* print variable values */
493 {
494 register int i, j;
495
496 for (i = 0; i < NVARS; i++)
497 for (j = 0; j < vdef(i); j++)
498 printf("%s= %s\n", vnam(i), nvalue(vv+i, j));
499 fflush(stdout);
500 }
501
502
503 oconv() /* run oconv if necessary */
504 {
505 char combuf[512], ocopts[64];
506
507 if (octreedate >= scenedate) /* check dates */
508 return;
509 /* build command */
510 oconvopts(ocopts);
511 if (vdef(MATERIAL))
512 sprintf(combuf, "oconv%s %s %s > %s", ocopts,
513 vval(MATERIAL), vval(SCENE), vval(OCTREE));
514 else
515 sprintf(combuf, "oconv%s %s > %s", ocopts,
516 vval(SCENE), vval(OCTREE));
517
518 if (runcom(combuf)) { /* run it */
519 fprintf(stderr, "%s: error generating octree\n\t%s removed\n",
520 progname, vval(OCTREE));
521 unlink(vval(OCTREE));
522 exit(1);
523 }
524 octreedate = time(0);
525 }
526
527
528 char *
529 addarg(op, arg) /* add argument and advance pointer */
530 register char *op, *arg;
531 {
532 *op = ' ';
533 while (*++op = *arg++)
534 ;
535 return(op);
536 }
537
538
539 oconvopts(oo) /* get oconv options */
540 register char *oo;
541 {
542 /* BEWARE: This may be called via setdefaults(), so no assumptions */
543
544 *oo = '\0';
545 if (vdef(OCONV))
546 addarg(oo, vval(OCONV));
547 }
548
549
550 double
551 ambval() /* compute ambient value */
552 {
553 if (vdef(EXPOSURE)) {
554 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
555 return(.5/pow(2.,atof(vval(EXPOSURE))));
556 if (isdigit(vval(EXPOSURE)[0]) || vval(EXPOSURE)[0] == '.')
557 return(.5/atof(vval(EXPOSURE)));
558 badvalue(EXPOSURE);
559 }
560 if (vlet(ZONE) == 'E')
561 return(10.);
562 if (vlet(ZONE) == 'I')
563 return(.01);
564 badvalue(ZONE);
565 }
566
567
568 lowqopts(op) /* low quality rendering options */
569 register char *op;
570 {
571 double d, org[3], siz[3];
572
573 *op = '\0';
574 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
575 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
576 badvalue(ZONE);
577 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
578 getoctcube(org, &d);
579 d *= 3./(siz[0]+siz[1]+siz[2]);
580 switch (vscale(DETAIL)) {
581 case LOW:
582 op = addarg(op, "-ps 16 -dp 16");
583 sprintf(op, " -ar %d", (int)(4*d));
584 op += strlen(op);
585 break;
586 case MEDIUM:
587 op = addarg(op, "-ps 8 -dp 32");
588 sprintf(op, " -ar %d", (int)(8*d));
589 op += strlen(op);
590 break;
591 case HIGH:
592 op = addarg(op, "-ps 4 -dp 64");
593 sprintf(op, " -ar %d", (int)(16*d));
594 op += strlen(op);
595 break;
596 }
597 op = addarg(op, "-pt .16");
598 if (vbool(PENUMBRAS))
599 op = addarg(op, "-ds .4");
600 else
601 op = addarg(op, "-ds 0");
602 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .7");
603 if (vdef(AMBFILE)) {
604 sprintf(op, " -af %s", vval(AMBFILE));
605 op += strlen(op);
606 } else
607 overture = 0;
608 switch (vscale(VARIABILITY)) {
609 case LOW:
610 op = addarg(op, "-aa .4 -ad 32");
611 break;
612 case MEDIUM:
613 op = addarg(op, "-aa .3 -ad 64");
614 break;
615 case HIGH:
616 op = addarg(op, "-aa .25 -ad 128");
617 break;
618 }
619 op = addarg(op, "-as 0");
620 d = ambval();
621 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
622 op += strlen(op);
623 op = addarg(op, "-lr 3 -lw .02");
624 if (vdef(RENDER))
625 op = addarg(op, vval(RENDER));
626 }
627
628
629 medqopts(op) /* medium quality rendering options */
630 register char *op;
631 {
632 double d, org[3], siz[3];
633
634 *op = '\0';
635 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
636 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
637 badvalue(ZONE);
638 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
639 getoctcube(org, &d);
640 d *= 3./(siz[0]+siz[1]+siz[2]);
641 switch (vscale(DETAIL)) {
642 case LOW:
643 op = addarg(op, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
644 op = addarg(op, "-dp 64");
645 sprintf(op, " -ar %d", (int)(8*d));
646 op += strlen(op);
647 break;
648 case MEDIUM:
649 op = addarg(op, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
650 op = addarg(op, "-dp 128");
651 sprintf(op, " -ar %d", (int)(16*d));
652 op += strlen(op);
653 break;
654 case HIGH:
655 op = addarg(op, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
656 op = addarg(op, "-dp 256");
657 sprintf(op, " -ar %d", (int)(32*d));
658 op += strlen(op);
659 break;
660 }
661 op = addarg(op, "-pt .08");
662 if (vbool(PENUMBRAS))
663 op = addarg(op, "-ds .2 -dj .35");
664 else
665 op = addarg(op, "-ds .3");
666 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .15");
667 sprintf(op, " -ab %d", overture=vint(INDIRECT));
668 op += strlen(op);
669 if (vdef(AMBFILE)) {
670 sprintf(op, " -af %s", vval(AMBFILE));
671 op += strlen(op);
672 } else
673 overture = 0;
674 switch (vscale(VARIABILITY)) {
675 case LOW:
676 op = addarg(op, "-aa .25 -ad 128 -as 0");
677 break;
678 case MEDIUM:
679 op = addarg(op, "-aa .2 -ad 300 -as 64");
680 break;
681 case HIGH:
682 op = addarg(op, "-aa .15 -ad 500 -as 128");
683 break;
684 }
685 d = ambval();
686 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
687 op += strlen(op);
688 op = addarg(op, "-lr 6 -lw .002");
689 if (vdef(RENDER))
690 op = addarg(op, vval(RENDER));
691 }
692
693
694 hiqopts(op) /* high quality rendering options */
695 register char *op;
696 {
697 double d, org[3], siz[3];
698
699 *op = '\0';
700 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
701 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
702 badvalue(ZONE);
703 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
704 getoctcube(org, &d);
705 d *= 3./(siz[0]+siz[1]+siz[2]);
706 switch (vscale(DETAIL)) {
707 case LOW:
708 op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
709 op = addarg(op, "-dp 256");
710 sprintf(op, " -ar %d", (int)(16*d));
711 op += strlen(op);
712 break;
713 case MEDIUM:
714 op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
715 op = addarg(op, "-dp 512");
716 sprintf(op, " -ar %d", (int)(32*d));
717 op += strlen(op);
718 break;
719 case HIGH:
720 op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
721 op = addarg(op, "-dp 1024");
722 sprintf(op, " -ar %d", (int)(64*d));
723 op += strlen(op);
724 break;
725 }
726 op = addarg(op, "-pt .04");
727 if (vbool(PENUMBRAS))
728 op = addarg(op, "-ds .1 -dj .7");
729 else
730 op = addarg(op, "-ds .2");
731 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .03");
732 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
733 op += strlen(op);
734 if (vdef(AMBFILE)) {
735 sprintf(op, " -af %s", vval(AMBFILE));
736 op += strlen(op);
737 } else
738 overture = 0;
739 switch (vscale(VARIABILITY)) {
740 case LOW:
741 op = addarg(op, "-aa .15 -ad 200 -as 0");
742 break;
743 case MEDIUM:
744 op = addarg(op, "-aa .125 -ad 512 -as 128");
745 break;
746 case HIGH:
747 op = addarg(op, "-aa .08 -ad 850 -as 256");
748 break;
749 }
750 d = ambval();
751 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
752 op += strlen(op);
753 op = addarg(op, "-lr 12 -lw .0005");
754 if (vdef(RENDER))
755 op = addarg(op, vval(RENDER));
756 }
757
758
759 xferopts(ro) /* transfer options if indicated */
760 char *ro;
761 {
762 int fd, n;
763
764 n = strlen(ro);
765 if (n < 2)
766 return;
767 if (vdef(OPTFILE)) {
768 if ((fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1)
769 syserr(vval(OPTFILE));
770 if (write(fd, ro+1, n-1) != n-1)
771 syserr(vval(OPTFILE));
772 write(fd, "\n", 1);
773 close(fd);
774 sprintf(ro, " \"^%s\"", vval(OPTFILE));
775 }
776 #ifdef MSDOS
777 else if (n > 50) {
778 register char *evp = bmalloc(n+6);
779 if (evp == NULL)
780 syserr(progname);
781 strcpy(evp, "ROPT=");
782 strcat(evp, ro);
783 if (putenv(evp) != 0) {
784 fprintf(stderr, "%s: out of environment space\n",
785 progname);
786 exit(1);
787 }
788 strcpy(ro, " $ROPT");
789 }
790 #endif
791 }
792
793
794 pfiltopts(po) /* get pfilt options */
795 register char *po;
796 {
797 *po = '\0';
798 if (vdef(EXPOSURE)) {
799 po = addarg(po, "-1 -e");
800 po = addarg(po, vval(EXPOSURE));
801 }
802 if (vscale(QUALITY) == HIGH)
803 po = addarg(po, "-r .65");
804 if (vdef(PFILT))
805 po = addarg(po, vval(PFILT));
806 }
807
808
809 matchword(s1, s2) /* match white-delimited words */
810 register char *s1, *s2;
811 {
812 while (isspace(*s1)) s1++;
813 while (isspace(*s2)) s2++;
814 while (*s1 && !isspace(*s1))
815 if (*s1++ != *s2++)
816 return(0);
817 return(!*s2 || isspace(*s2));
818 }
819
820
821 char *
822 specview(vs) /* get proper view spec from vs */
823 register char *vs;
824 {
825 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
826 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
827 static char viewopts[128];
828 register char *cp;
829 int xpos, ypos, zpos, viewtype, upax;
830 register int i;
831 double cent[3], dim[3], mult, d;
832
833 if (vs == NULL || *vs == '-')
834 return(vs);
835 upax = 0; /* get the up vector */
836 if (vdef(UP)) {
837 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
838 upax = 1-'X'+UPPER(vval(UP)[1]);
839 else
840 upax = 1-'X'+vlet(UP);
841 if (upax < 1 | upax > 3)
842 badvalue(UP);
843 if (vval(UP)[0] == '-')
844 upax = -upax;
845 }
846 /* check standard view names */
847 xpos = ypos = zpos = 0;
848 if (*vs == 'X') {
849 xpos = 1; vs++;
850 } else if (*vs == 'x') {
851 xpos = -1; vs++;
852 }
853 if (*vs == 'Y') {
854 ypos = 1; vs++;
855 } else if (*vs == 'y') {
856 ypos = -1; vs++;
857 }
858 if (*vs == 'Z') {
859 zpos = 1; vs++;
860 } else if (*vs == 'z') {
861 zpos = -1; vs++;
862 }
863 viewtype = 'v';
864 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h')
865 viewtype = *vs++;
866 cp = viewopts;
867 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
868 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
869 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
870 &cent[0], &dim[0], &cent[1], &dim[1],
871 &cent[2], &dim[2]) != 6)
872 badvalue(ZONE);
873 for (i = 0; i < 3; i++) {
874 dim[i] -= cent[i];
875 cent[i] += .5*dim[i];
876 }
877 mult = vlet(ZONE)=='E' ? 2. : .45 ;
878 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
879 cent[0]+xpos*mult*dim[0],
880 cent[1]+ypos*mult*dim[1],
881 cent[2]+zpos*mult*dim[2],
882 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
883 cp += strlen(cp);
884 /* redirect up axis if necessary */
885 switch (upax) {
886 case 3: /* plus or minus Z axis */
887 case -3:
888 case 0:
889 if (!(xpos|ypos))
890 upax = 2;
891 break;
892 case 2: /* plus or minus Y axis */
893 case -2:
894 if (!(xpos|zpos))
895 upax = 1;
896 break;
897 case 1: /* plus or minus X axis */
898 case -1:
899 if (!(ypos|zpos))
900 upax = 3;
901 break;
902 }
903 cp = addarg(cp, vup[upax+3]);
904 switch (viewtype) {
905 case 'v':
906 cp = addarg(cp, "-vh 45 -vv 45");
907 break;
908 case 'l':
909 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
910 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
911 cp += strlen(cp);
912 break;
913 case 'a':
914 case 'h':
915 cp = addarg(cp, "-vh 180 -vv 180");
916 break;
917 }
918 } else {
919 while (!isspace(*vs)) /* else skip id */
920 if (!*vs++)
921 return(NULL);
922 if (upax) { /* specify up vector */
923 strcpy(cp, vup[upax+3]);
924 cp += strlen(cp);
925 }
926 }
927 /* append any additional options */
928 strcpy(cp, vs);
929 return(viewopts);
930 }
931
932
933 char *
934 getview(n, vn) /* get view n, or NULL if none */
935 int n;
936 char *vn;
937 {
938 register char *mv;
939
940 if (viewselect != NULL) {
941 if (n) /* only do one */
942 return(NULL);
943 if (viewselect[0] == '-') { /* already specified */
944 if (vn != NULL) *vn = '\0';
945 return(viewselect);
946 }
947 if (vn != NULL) {
948 for (mv = viewselect; *mv && !isspace(*mv);
949 *vn++ = *mv++)
950 ;
951 *vn = '\0';
952 }
953 /* check list */
954 while ((mv = nvalue(vv+VIEW, n++)) != NULL)
955 if (matchword(viewselect, mv))
956 return(specview(mv));
957 return(specview(viewselect)); /* standard view? */
958 }
959 if (vn != NULL && (mv = nvalue(vv+VIEW, n)) != NULL) {
960 if (*mv != '-')
961 while (*mv && !isspace(*mv))
962 *vn++ = *mv++;
963 *vn = '\0';
964 }
965 return(specview(nvalue(vv+VIEW, n))); /* use view n */
966 }
967
968
969 rview(opts) /* run rview with first view */
970 char *opts;
971 {
972 char combuf[512];
973 /* build command */
974 sprintf(combuf, "rview %s%s ", getview(0, NULL), opts);
975 if (rvdevice != NULL)
976 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
977 strcat(combuf, vval(OCTREE));
978 if (runcom(combuf)) { /* run it */
979 fprintf(stderr, "%s: error running rview\n", progname);
980 exit(1);
981 }
982 }
983
984
985 rpict(opts) /* run rpict and pfilt for each view */
986 char *opts;
987 {
988 char combuf[1024];
989 char rawfile[MAXPATH], picfile[MAXPATH], rep[MAXPATH+16], res[32];
990 char pfopts[128];
991 char vs[32], *vw;
992 int vn, mult;
993 /* get pfilt options */
994 pfiltopts(pfopts);
995 /* get resolution, reporting */
996 mult = vscale(QUALITY)+1;
997 {
998 int xres, yres;
999 double aspect;
1000 int n;
1001 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1002 if (n == 3)
1003 sprintf(res, "-x %d -y %d -pa %.3f",
1004 mult*xres, mult*yres, aspect);
1005 else if (n) {
1006 if (n == 1) yres = xres;
1007 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1008 } else
1009 badvalue(RESOLUTION);
1010 }
1011 rep[0] = '\0';
1012 if (vdef(REPORT)) {
1013 double minutes;
1014 int n;
1015 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1016 if (n == 2)
1017 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1018 else if (n == 1)
1019 sprintf(rep, " -t %d", (int)(minutes*60));
1020 else
1021 badvalue(REPORT);
1022 }
1023 /* check date on ambient file */
1024 if (vdef(AMBFILE)) {
1025 long afdate = fdate(vval(AMBFILE));
1026 if (afdate >= 0 & octreedate > afdate)
1027 rmfile(vval(AMBFILE));
1028 }
1029 /* do each view */
1030 vn = 0;
1031 while ((vw = getview(vn++, vs)) != NULL) {
1032 if (!vs[0])
1033 sprintf(vs, "%d", vn);
1034 sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1035 /* check date on picture */
1036 if (fdate(picfile) > octreedate)
1037 continue;
1038 /* build rpict command */
1039 sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
1040 if (fdate(rawfile) > octreedate) /* recover */
1041 sprintf(combuf, "rpict%s%s -ro %s %s",
1042 rep, opts, rawfile, vval(OCTREE));
1043 else {
1044 if (overture) { /* run overture calculation */
1045 sprintf(combuf,
1046 "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1047 rep, vw, opts,
1048 vval(OCTREE), rawfile);
1049 if (runcom(combuf)) {
1050 fprintf(stderr,
1051 "%s: error in overture for view %s\n\t%s removed\n",
1052 progname, vs, rawfile);
1053 unlink(rawfile);
1054 exit(1);
1055 }
1056 }
1057 sprintf(combuf, "rpict%s %s %s%s %s > %s",
1058 rep, vw, res, opts,
1059 vval(OCTREE), rawfile);
1060 }
1061 if (runcom(combuf)) { /* run rpict */
1062 fprintf(stderr, "%s: error rendering view %s\n",
1063 progname, vs);
1064 exit(1);
1065 }
1066 /* build pfilt command */
1067 if (mult > 1)
1068 sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1069 pfopts, mult, mult, rawfile, picfile);
1070 else
1071 sprintf(combuf, "pfilt%s %s > %s", pfopts,
1072 rawfile, picfile);
1073 if (runcom(combuf)) { /* run pfilt */
1074 fprintf(stderr,
1075 "%s: error filtering view %s\n\t%s removed\n",
1076 progname, vs, picfile);
1077 unlink(picfile);
1078 exit(1);
1079 }
1080 /* remove raw file */
1081 rmfile(rawfile);
1082 }
1083 }
1084
1085
1086 runcom(cs) /* run command */
1087 char *cs;
1088 {
1089 if (!silent) /* echo it */
1090 printf("\t%s\n", cs);
1091 if (noaction)
1092 return(0);
1093 fflush(stdout); /* flush output and pass to shell */
1094 return(system(cs));
1095 }
1096
1097
1098 rmfile(fn) /* remove a file */
1099 char *fn;
1100 {
1101 if (!silent)
1102 #ifdef MSDOS
1103 printf("\tdel %s\n", fn);
1104 #else
1105 printf("\trm -f %s\n", fn);
1106 #endif
1107 if (noaction)
1108 return(0);
1109 return(unlink(fn));
1110 }
1111
1112
1113 badvalue(vc) /* report bad variable value and exit */
1114 int vc;
1115 {
1116 fprintf(stderr, "%s: bad value for variable '%s'\n",
1117 progname, vnam(vc));
1118 exit(1);
1119 }
1120
1121
1122 syserr(s) /* report a system error and exit */
1123 char *s;
1124 {
1125 perror(s);
1126 exit(1);
1127 }