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root/radiance/ray/src/util/rad.c
Revision: 2.107
Committed: Fri Aug 26 22:39:56 2011 UTC (12 years, 7 months ago) by greg
Content type: text/plain
Branch: MAIN
CVS Tags: rad4R1
Changes since 2.106: +4 -4 lines
Log Message:
Minor changes

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.106 2011/08/24 05:54:42 greg Exp $";
3 #endif
4 /*
5 * Executive program for oconv, rpict and pfilt
6 */
7
8 #include "standard.h"
9
10 #include <ctype.h>
11 #include <time.h>
12
13 #include "platform.h"
14 #include "rtprocess.h"
15 #include "view.h"
16 #include "paths.h"
17 #include "vars.h"
18
19 #ifdef _WIN32
20 #define DELCMD "del"
21 #define RENAMECMD "rename"
22 #else
23 #define DELCMD "rm -f"
24 #define RENAMECMD "mv"
25 #include <sys/types.h>
26 #include <sys/wait.h>
27 #endif
28
29 /* variables (alphabetical by name) */
30 #define AMBFILE 0 /* ambient file name */
31 #define DETAIL 1 /* level of scene detail */
32 #define EXPOSURE 2 /* picture exposure setting */
33 #define EYESEP 3 /* interocular distance */
34 #define ILLUM 4 /* mkillum input files */
35 #define INDIRECT 5 /* indirection in lighting */
36 #define MATERIAL 6 /* material files */
37 #define MKILLUM 7 /* mkillum options */
38 #define OBJECT 8 /* object files */
39 #define OCONV 9 /* oconv options */
40 #define OCTREE 10 /* octree file name */
41 #define OPTFILE 11 /* rendering options file */
42 #define PENUMBRAS 12 /* shadow penumbras are desired */
43 #define PFILT 13 /* pfilt options */
44 #define PICTURE 14 /* picture file root name */
45 #define QUALITY 15 /* desired rendering quality */
46 #define RAWFILE 16 /* raw picture file root name */
47 #define RENDER 17 /* rendering options */
48 #define REPORT 18 /* report frequency and errfile */
49 #define RESOLUTION 19 /* maximum picture resolution */
50 #define RPICT 20 /* rpict parameters */
51 #define RVU 21 /* rvu parameters */
52 #define SCENE 22 /* scene files */
53 #define UP 23 /* view up (X, Y or Z) */
54 #define VARIABILITY 24 /* level of light variability */
55 #define VIEWS 25 /* view(s) for picture(s) */
56 #define ZFILE 26 /* distance file root name */
57 #define ZONE 27 /* simulation zone */
58 /* total number of variables */
59 int NVARS = 28;
60
61 VARIABLE vv[] = { /* variable-value pairs */
62 {"AMBFILE", 3, 0, NULL, onevalue},
63 {"DETAIL", 3, 0, NULL, qualvalue},
64 {"EXPOSURE", 3, 0, NULL, fltvalue},
65 {"EYESEP", 3, 0, NULL, fltvalue},
66 {"illum", 3, 0, NULL, catvalues},
67 {"INDIRECT", 3, 0, NULL, intvalue},
68 {"materials", 3, 0, NULL, catvalues},
69 {"mkillum", 3, 0, NULL, catvalues},
70 {"objects", 3, 0, NULL, catvalues},
71 {"oconv", 3, 0, NULL, catvalues},
72 {"OCTREE", 3, 0, NULL, onevalue},
73 {"OPTFILE", 3, 0, NULL, onevalue},
74 {"PENUMBRAS", 3, 0, NULL, boolvalue},
75 {"pfilt", 2, 0, NULL, catvalues},
76 {"PICTURE", 3, 0, NULL, onevalue},
77 {"QUALITY", 3, 0, NULL, qualvalue},
78 {"RAWFILE", 3, 0, NULL, onevalue},
79 {"render", 3, 0, NULL, catvalues},
80 {"REPORT", 3, 0, NULL, onevalue},
81 {"RESOLUTION", 3, 0, NULL, onevalue},
82 {"rpict", 3, 0, NULL, catvalues},
83 {"rvu", 3, 0, NULL, catvalues},
84 {"scene", 3, 0, NULL, catvalues},
85 {"UP", 2, 0, NULL, onevalue},
86 {"VARIABILITY", 3, 0, NULL, qualvalue},
87 {"view", 2, 0, NULL, NULL},
88 {"ZFILE", 2, 0, NULL, onevalue},
89 {"ZONE", 2, 0, NULL, onevalue},
90 };
91
92 /* overture calculation file */
93 #ifdef NULL_DEVICE
94 char overfile[] = NULL_DEVICE;
95 #else
96 char overfile[] = "overture.unf";
97 #endif
98
99
100 time_t scenedate; /* date of latest scene or object file */
101 time_t octreedate; /* date of octree */
102 time_t matdate; /* date of latest material file */
103 time_t illumdate; /* date of last illum file */
104
105 char *oct0name; /* name of pre-mkillum octree */
106 time_t oct0date; /* date of pre-mkillum octree */
107 char *oct1name; /* name of post-mkillum octree */
108 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
109
110 int nowarn = 0; /* no warnings */
111 int explicate = 0; /* explicate variables */
112 int silent = 0; /* do work silently */
113 int touchonly = 0; /* touch files only */
114 int nprocs = 1; /* maximum executing processes */
115 int sayview = 0; /* print view out */
116 char *rvdevice = NULL; /* rvu output device */
117 char *viewselect = NULL; /* specific view only */
118
119 #define DEF_RPICT_PATH "rpict" /* default rpict path */
120
121 /* command paths */
122 char c_oconv[256] = "oconv";
123 char c_mkillum[256] = "mkillum";
124 char c_rvu[256] = "rvu";
125 char c_rpict[256] = DEF_RPICT_PATH;
126 char c_rpiece[] = "rpiece";
127 char c_pfilt[256] = "pfilt";
128
129 int overture = 0; /* overture calculation needed */
130
131 int children_running = 0; /* set negative in children */
132
133 char *progname; /* global argv[0] */
134 char *rifname; /* global rad input file name */
135
136 char radname[PATH_MAX]; /* root Radiance file name */
137
138 #define inchild() (children_running < 0)
139
140 static void rootname(char *rn, char *fn);
141 static time_t checklast(char *fnames);
142 static char * newfname(char *orig, int pred);
143 static void checkfiles(void);
144 static void getoctcube(double org[3], double *sizp);
145 static void setdefaults(void);
146 static void oconv(void);
147 static char * addarg(char *op, char *arg);
148 static void oconvopts(char *oo);
149 static void mkillumopts(char *mo);
150 static void checkambfile(void);
151 static double ambval(void);
152 static void renderopts(char *op, char *po);
153 static void lowqopts(char *op, char *po);
154 static void medqopts(char *op, char *po);
155 static void hiqopts(char *op, char *po);
156 static void xferopts(char *ro);
157 static void pfiltopts(char *po);
158 static int matchword(char *s1, char *s2);
159 static char * specview(char *vs);
160 static char * getview(int n, char *vn);
161 static int myprintview(char *vopts, FILE *fp);
162 static void rvu(char *opts, char *po);
163 static void rpict(char *opts, char *po);
164 static int touch(char *fn);
165 static int runcom(char *cs);
166 static int rmfile(char *fn);
167 static int mvfile(char *fold, char *fnew);
168 static int next_process(int reserve);
169 static void wait_process(int all);
170 static void finish_process(void);
171 static void badvalue(int vc);
172 static void syserr(char *s);
173
174
175 int
176 main(
177 int argc,
178 char *argv[]
179 )
180 {
181 char ropts[512];
182 char popts[64];
183 int i;
184
185 progname = argv[0];
186 /* get options */
187 for (i = 1; i < argc && argv[i][0] == '-'; i++)
188 switch (argv[i][1]) {
189 case 's':
190 silent++;
191 break;
192 case 'n':
193 nprocs = 0;
194 break;
195 case 'N':
196 nprocs = atoi(argv[++i]);
197 if (nprocs < 0)
198 nprocs = 0;
199 break;
200 case 't':
201 touchonly++;
202 break;
203 case 'e':
204 explicate++;
205 break;
206 case 'o':
207 rvdevice = argv[++i];
208 break;
209 case 'V':
210 sayview++;
211 break;
212 case 'v':
213 viewselect = argv[++i];
214 break;
215 case 'w':
216 nowarn++;
217 break;
218 default:
219 goto userr;
220 }
221 if (i >= argc)
222 goto userr;
223 rifname = argv[i];
224 /* assign Radiance root file name */
225 rootname(radname, rifname);
226 /* load variable values */
227 loadvars(rifname);
228 /* get any additional assignments */
229 for (i++; i < argc; i++)
230 if (setvariable(argv[i], matchvar) < 0) {
231 fprintf(stderr, "%s: unknown variable: %s\n",
232 progname, argv[i]);
233 quit(1);
234 }
235 /* check assignments */
236 checkvalues();
237 /* check files and dates */
238 checkfiles();
239 /* set default values as necessary */
240 setdefaults();
241 /* print all values if requested */
242 if (explicate)
243 printvars(stdout);
244 /* build octree (and run mkillum) */
245 oconv();
246 /* check date on ambient file */
247 checkambfile();
248 /* run simulation */
249 renderopts(ropts, popts);
250 xferopts(ropts);
251 if (rvdevice != NULL)
252 rvu(ropts, popts);
253 else
254 rpict(ropts, popts);
255 quit(0);
256 userr:
257 fprintf(stderr,
258 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
259 progname);
260 quit(1);
261 return 1; /* pro forma return */
262 }
263
264
265 static void
266 rootname( /* remove tail from end of fn */
267 register char *rn,
268 register char *fn
269 )
270 {
271 char *tp, *dp;
272
273 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
274 if (ISDIRSEP(*rn))
275 dp = rn;
276 else if (*rn == '.')
277 tp = rn;
278 if (tp != NULL && tp > dp)
279 *tp = '\0';
280 }
281
282
283 static time_t
284 checklast( /* check files and find most recent */
285 register char *fnames
286 )
287 {
288 char thisfile[PATH_MAX];
289 time_t thisdate, lastdate = 0;
290
291 if (fnames == NULL)
292 return(0);
293 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
294 if (thisfile[0] == '!' ||
295 (thisfile[0] == '\\' && thisfile[1] == '!')) {
296 if (!lastdate)
297 lastdate = 1;
298 continue;
299 }
300 if (!(thisdate = fdate(thisfile)))
301 syserr(thisfile);
302 if (thisdate > lastdate)
303 lastdate = thisdate;
304 }
305 return(lastdate);
306 }
307
308
309 static char *
310 newfname( /* create modified file name */
311 char *orig,
312 int pred
313 )
314 {
315 register char *cp;
316 register int n;
317 int suffix;
318
319 n = 0; cp = orig; suffix = -1; /* suffix position, length */
320 while (*cp) {
321 if (*cp == '.') suffix = n;
322 else if (ISDIRSEP(*cp)) suffix = -1;
323 cp++; n++;
324 }
325 if (suffix == -1) suffix = n;
326 if ((cp = bmalloc(n+2)) == NULL)
327 syserr(progname);
328 strncpy(cp, orig, suffix);
329 cp[suffix] = pred; /* root name + pred + suffix */
330 strcpy(cp+suffix+1, orig+suffix);
331 return(cp);
332 }
333
334
335 static void
336 checkfiles(void) /* check for existence and modified times */
337 {
338 time_t objdate;
339
340 if (!vdef(OCTREE)) {
341 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
342 syserr(progname);
343 sprintf(vval(OCTREE), "%s.oct", radname);
344 vdef(OCTREE)++;
345 } else if (vval(OCTREE)[0] == '!') {
346 fprintf(stderr, "%s: illegal '%s' specification\n",
347 progname, vnam(OCTREE));
348 quit(1);
349 }
350 octreedate = fdate(vval(OCTREE));
351 if (vdef(ILLUM)) { /* illum requires secondary octrees */
352 oct0name = newfname(vval(OCTREE), '0');
353 oct1name = newfname(vval(OCTREE), '1');
354 oct0date = fdate(oct0name);
355 oct1date = fdate(oct1name);
356 } else
357 oct0name = oct1name = vval(OCTREE);
358 if ((scenedate = checklast(vval(SCENE))) &&
359 (objdate = checklast(vval(OBJECT))) > scenedate)
360 scenedate = objdate;
361 illumdate = checklast(vval(ILLUM));
362 if (!octreedate & !scenedate & !illumdate) {
363 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
364 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
365 quit(1);
366 }
367 matdate = checklast(vval(MATERIAL));
368 }
369
370
371 static void
372 getoctcube( /* get octree bounding cube */
373 double org[3],
374 double *sizp
375 )
376 {
377 static double oorg[3], osiz = 0.;
378 double min[3], max[3];
379 char buf[1024];
380 FILE *fp;
381 register int i;
382
383 if (osiz <= FTINY) {
384 if (!nprocs && fdate(oct1name) <
385 (scenedate>illumdate?scenedate:illumdate)) {
386 /* run getbbox */
387 sprintf(buf, "getbbox -w -h %s",
388 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
389 if ((fp = popen(buf, "r")) == NULL)
390 syserr("getbbox");
391 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
392 &min[0], &max[0], &min[1], &max[1],
393 &min[2], &max[2]) != 6) {
394 fprintf(stderr,
395 "%s: error reading bounding box from getbbox\n",
396 progname);
397 quit(1);
398 }
399 for (i = 0; i < 3; i++)
400 if (max[i] - min[i] > osiz)
401 osiz = max[i] - min[i];
402 for (i = 0; i < 3; i++)
403 oorg[i] = (max[i]+min[i]-osiz)*.5;
404 pclose(fp);
405 } else { /* from octree */
406 oconv(); /* does nothing if done already */
407 sprintf(buf, "getinfo -d < %s", oct1name);
408 if ((fp = popen(buf, "r")) == NULL)
409 syserr("getinfo");
410 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
411 &oorg[2], &osiz) != 4) {
412 fprintf(stderr,
413 "%s: error reading bounding cube from getinfo\n",
414 progname);
415 quit(1);
416 }
417 pclose(fp);
418 }
419 }
420 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
421 }
422
423
424 static void
425 setdefaults(void) /* set default values for unassigned var's */
426 {
427 double org[3], lim[3], size;
428 char buf[128];
429
430 if (!vdef(ZONE)) {
431 getoctcube(org, &size);
432 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
433 org[1], org[1]+size, org[2], org[2]+size);
434 vval(ZONE) = savqstr(buf);
435 vdef(ZONE)++;
436 }
437 if (!vdef(EYESEP)) {
438 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
439 &org[0], &lim[0], &org[1], &lim[1],
440 &org[2], &lim[2]) != 6)
441 badvalue(ZONE);
442 sprintf(buf, "%f",
443 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
444 vval(EYESEP) = savqstr(buf);
445 vdef(EYESEP)++;
446 }
447 if (!vdef(INDIRECT)) {
448 vval(INDIRECT) = "0";
449 vdef(INDIRECT)++;
450 }
451 if (!vdef(QUALITY)) {
452 vval(QUALITY) = "L";
453 vdef(QUALITY)++;
454 }
455 if (!vdef(RESOLUTION)) {
456 vval(RESOLUTION) = "512";
457 vdef(RESOLUTION)++;
458 }
459 if (!vdef(PICTURE)) {
460 vval(PICTURE) = radname;
461 vdef(PICTURE)++;
462 }
463 if (!vdef(VIEWS)) {
464 vval(VIEWS) = "X";
465 vdef(VIEWS)++;
466 }
467 if (!vdef(DETAIL)) {
468 vval(DETAIL) = "M";
469 vdef(DETAIL)++;
470 }
471 if (!vdef(PENUMBRAS)) {
472 vval(PENUMBRAS) = "F";
473 vdef(PENUMBRAS)++;
474 }
475 if (!vdef(VARIABILITY)) {
476 vval(VARIABILITY) = "L";
477 vdef(VARIABILITY)++;
478 }
479 }
480
481
482 static void
483 oconv(void) /* run oconv and mkillum if necessary */
484 {
485 static char illumtmp[] = "ilXXXXXX";
486 char combuf[PATH_MAX], ocopts[64], mkopts[1024];
487
488 oconvopts(ocopts); /* get options */
489 if (octreedate < scenedate) { /* check date on original octree */
490 if (touchonly && octreedate)
491 touch(vval(OCTREE));
492 else { /* build command */
493 if (vdef(MATERIAL))
494 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
495 ocopts, vval(MATERIAL),
496 vval(SCENE), vval(OCTREE));
497 else
498 sprintf(combuf, "%s%s %s > %s", c_oconv, ocopts,
499 vval(SCENE), vval(OCTREE));
500
501 if (runcom(combuf)) { /* run it */
502 fprintf(stderr,
503 "%s: error generating octree\n\t%s removed\n",
504 progname, vval(OCTREE));
505 unlink(vval(OCTREE));
506 quit(1);
507 }
508 }
509 octreedate = time((time_t *)NULL);
510 if (octreedate < scenedate) /* in case clock is off */
511 octreedate = scenedate;
512 }
513 if (oct1name == vval(OCTREE)) /* no mkillum? */
514 oct1date = octreedate > matdate ? octreedate : matdate;
515 if ((oct1date >= octreedate) & (oct1date >= matdate)
516 & (oct1date >= illumdate)) /* all done */
517 return;
518 /* make octree0 */
519 if ((oct0date < scenedate) | (oct0date < illumdate)) {
520 if (touchonly && oct0date)
521 touch(oct0name);
522 else { /* build command */
523 if (octreedate)
524 sprintf(combuf, "%s%s -i %s %s > %s", c_oconv,
525 ocopts, vval(OCTREE),
526 vval(ILLUM), oct0name);
527 else if (vdef(MATERIAL))
528 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
529 ocopts, vval(MATERIAL),
530 vval(ILLUM), oct0name);
531 else
532 sprintf(combuf, "%s%s %s > %s", c_oconv,
533 ocopts, vval(ILLUM), oct0name);
534 if (runcom(combuf)) { /* run it */
535 fprintf(stderr,
536 "%s: error generating octree\n\t%s removed\n",
537 progname, oct0name);
538 unlink(oct0name);
539 quit(1);
540 }
541 }
542 oct0date = time((time_t *)NULL);
543 if (oct0date < octreedate) /* in case clock is off */
544 oct0date = octreedate;
545 if (oct0date < illumdate) /* ditto */
546 oct0date = illumdate;
547 }
548 if (touchonly && oct1date)
549 touch(oct1name);
550 else {
551 mkillumopts(mkopts); /* build mkillum command */
552 mktemp(illumtmp);
553 sprintf(combuf, "%s%s %s \"<\" %s > %s", c_mkillum, mkopts,
554 oct0name, vval(ILLUM), illumtmp);
555 if (runcom(combuf)) { /* run it */
556 fprintf(stderr, "%s: error running %s\n",
557 progname, c_mkillum);
558 unlink(illumtmp);
559 quit(1);
560 }
561 /* make octree1 (frozen) */
562 if (octreedate)
563 sprintf(combuf, "%s%s -f -i %s %s > %s", c_oconv,
564 ocopts, vval(OCTREE), illumtmp, oct1name);
565 else if (vdef(MATERIAL))
566 sprintf(combuf, "%s%s -f %s %s > %s", c_oconv,
567 ocopts, vval(MATERIAL), illumtmp, oct1name);
568 else
569 sprintf(combuf, "%s%s -f %s > %s", c_oconv, ocopts,
570 illumtmp, oct1name);
571 if (runcom(combuf)) { /* run it */
572 fprintf(stderr,
573 "%s: error generating octree\n\t%s removed\n",
574 progname, oct1name);
575 unlink(oct1name);
576 unlink(illumtmp);
577 quit(1);
578 }
579 rmfile(illumtmp);
580 }
581 oct1date = time((time_t *)NULL);
582 if (oct1date < oct0date) /* in case clock is off */
583 oct1date = oct0date;
584 }
585
586
587 static char *
588 addarg( /* append argument and advance pointer */
589 register char *op,
590 register char *arg
591 )
592 {
593 while (*op)
594 op++;
595 *op = ' ';
596 while ( (*++op = *arg++) )
597 ;
598 return(op);
599 }
600
601
602 static void
603 oconvopts( /* get oconv options */
604 register char *oo
605 )
606 {
607 /* BEWARE: This may be called via setdefaults(), so no assumptions */
608
609 *oo = '\0';
610 if (vdef(OCONV))
611 if (vval(OCONV)[0] != '-') {
612 atos(c_oconv, sizeof(c_oconv), vval(OCONV));
613 oo = addarg(oo, sskip2(vval(OCONV), 1));
614 } else
615 oo = addarg(oo, vval(OCONV));
616 }
617
618
619 static void
620 mkillumopts( /* get mkillum options */
621 char *mo
622 )
623 {
624 /* BEWARE: This may be called via setdefaults(), so no assumptions */
625
626 if (nprocs > 1)
627 sprintf(mo, " -n %d", nprocs);
628 else
629 *mo = '\0';
630 if (vdef(MKILLUM))
631 if (vval(MKILLUM)[0] != '-') {
632 atos(c_mkillum, sizeof(c_mkillum), vval(MKILLUM));
633 mo = addarg(mo, sskip2(vval(MKILLUM), 1));
634 } else
635 mo = addarg(mo, vval(MKILLUM));
636 }
637
638
639 static void
640 checkambfile(void) /* check date on ambient file */
641 {
642 time_t afdate;
643
644 if (!vdef(AMBFILE))
645 return;
646 if (!(afdate = fdate(vval(AMBFILE))))
647 return;
648 if (oct1date > afdate) {
649 if (touchonly)
650 touch(vval(AMBFILE));
651 else
652 rmfile(vval(AMBFILE));
653 }
654 }
655
656
657 static double
658 ambval(void) /* compute ambient value */
659 {
660 if (vdef(EXPOSURE)) {
661 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
662 return(.5/pow(2.,vflt(EXPOSURE)));
663 return(.5/vflt(EXPOSURE));
664 }
665 if (vlet(ZONE) == 'E')
666 return(10.);
667 if (vlet(ZONE) == 'I')
668 return(.01);
669 badvalue(ZONE);
670 return 0; /* pro forma return */
671 }
672
673
674 static void
675 renderopts( /* set rendering options */
676 char *op,
677 char *po
678 )
679 {
680 switch(vscale(QUALITY)) {
681 case LOW:
682 lowqopts(op, po);
683 break;
684 case MEDIUM:
685 medqopts(op, po);
686 break;
687 case HIGH:
688 hiqopts(op, po);
689 break;
690 }
691 if (vdef(RENDER))
692 op = addarg(op, vval(RENDER));
693 if (rvdevice != NULL) {
694 if (vdef(RVU))
695 if (vval(RVU)[0] != '-') {
696 atos(c_rvu, sizeof(c_rvu), vval(RVU));
697 po = addarg(po, sskip2(vval(RVU), 1));
698 } else
699 po = addarg(po, vval(RVU));
700 } else {
701 if (vdef(RPICT))
702 if (vval(RPICT)[0] != '-') {
703 atos(c_rpict, sizeof(c_rpict), vval(RPICT));
704 po = addarg(po, sskip2(vval(RPICT), 1));
705 } else
706 po = addarg(po, vval(RPICT));
707 }
708 }
709
710
711 static void
712 lowqopts( /* low quality rendering options */
713 register char *op,
714 char *po
715 )
716 {
717 double d, org[3], siz[3];
718
719 *op = '\0';
720 *po = '\0';
721 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
722 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
723 badvalue(ZONE);
724 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
725 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
726 badvalue(ZONE);
727 getoctcube(org, &d);
728 d *= 3./(siz[0]+siz[1]+siz[2]);
729 switch (vscale(DETAIL)) {
730 case LOW:
731 po = addarg(po, "-ps 16");
732 op = addarg(op, "-dp 64");
733 sprintf(op, " -ar %d", (int)(8*d));
734 op += strlen(op);
735 break;
736 case MEDIUM:
737 po = addarg(po, "-ps 8");
738 op = addarg(op, "-dp 128");
739 sprintf(op, " -ar %d", (int)(16*d));
740 op += strlen(op);
741 break;
742 case HIGH:
743 po = addarg(po, "-ps 4");
744 op = addarg(op, "-dp 256");
745 sprintf(op, " -ar %d", (int)(32*d));
746 op += strlen(op);
747 break;
748 }
749 po = addarg(po, "-pt .16");
750 if (vbool(PENUMBRAS))
751 op = addarg(op, "-ds .4");
752 else
753 op = addarg(op, "-ds 0");
754 op = addarg(op, "-dt .2 -dc .25 -dr 0 -ss 0 -st .5");
755 if (vdef(AMBFILE)) {
756 sprintf(op, " -af %s", vval(AMBFILE));
757 op += strlen(op);
758 } else
759 overture = 0;
760 switch (vscale(VARIABILITY)) {
761 case LOW:
762 op = addarg(op, "-aa .3 -ad 256");
763 break;
764 case MEDIUM:
765 op = addarg(op, "-aa .25 -ad 512");
766 break;
767 case HIGH:
768 op = addarg(op, "-aa .2 -ad 1024");
769 break;
770 }
771 op = addarg(op, "-as 0");
772 d = ambval();
773 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
774 op += strlen(op);
775 op = addarg(op, "-lr 6 -lw .003");
776 }
777
778
779 static void
780 medqopts( /* medium quality rendering options */
781 register char *op,
782 char *po
783 )
784 {
785 double d, org[3], siz[3], asz;
786
787 *op = '\0';
788 *po = '\0';
789 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
790 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
791 badvalue(ZONE);
792 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
793 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
794 badvalue(ZONE);
795 getoctcube(org, &d);
796 asz = (siz[0]+siz[1]+siz[2])/3.;
797 d /= asz;
798 switch (vscale(DETAIL)) {
799 case LOW:
800 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
801 op = addarg(op, "-dp 256");
802 sprintf(op, " -ar %d", (int)(16*d));
803 op += strlen(op);
804 sprintf(op, " -ms %.2g", asz/20.);
805 op += strlen(op);
806 break;
807 case MEDIUM:
808 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
809 op = addarg(op, "-dp 512");
810 sprintf(op, " -ar %d", (int)(32*d));
811 op += strlen(op);
812 sprintf(op, " -ms %.2g", asz/40.);
813 op += strlen(op);
814 break;
815 case HIGH:
816 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
817 op = addarg(op, "-dp 1024");
818 sprintf(op, " -ar %d", (int)(64*d));
819 op += strlen(op);
820 sprintf(op, " -ms %.2g", asz/80.);
821 op += strlen(op);
822 break;
823 }
824 po = addarg(po, "-pt .08");
825 if (vbool(PENUMBRAS))
826 op = addarg(op, "-ds .2 -dj .9");
827 else
828 op = addarg(op, "-ds .3");
829 op = addarg(op, "-dt .1 -dc .5 -dr 1 -ss 1 -st .1");
830 if ( (overture = vint(INDIRECT)) ) {
831 sprintf(op, " -ab %d", overture);
832 op += strlen(op);
833 }
834 if (vdef(AMBFILE)) {
835 sprintf(op, " -af %s", vval(AMBFILE));
836 op += strlen(op);
837 } else
838 overture = 0;
839 switch (vscale(VARIABILITY)) {
840 case LOW:
841 op = addarg(op, "-aa .2 -ad 329 -as 42");
842 break;
843 case MEDIUM:
844 op = addarg(op, "-aa .15 -ad 800 -as 128");
845 break;
846 case HIGH:
847 op = addarg(op, "-aa .1 -ad 1536 -as 392");
848 break;
849 }
850 d = ambval();
851 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
852 op += strlen(op);
853 op = addarg(op, "-lr 8 -lw 1e-4");
854 }
855
856
857 static void
858 hiqopts( /* high quality rendering options */
859 register char *op,
860 char *po
861 )
862 {
863 double d, org[3], siz[3], asz;
864
865 *op = '\0';
866 *po = '\0';
867 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
868 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
869 badvalue(ZONE);
870 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
871 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
872 badvalue(ZONE);
873 getoctcube(org, &d);
874 asz = (siz[0]+siz[1]+siz[2])/3.;
875 d /= asz;
876 switch (vscale(DETAIL)) {
877 case LOW:
878 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
879 op = addarg(op, "-dp 1024");
880 sprintf(op, " -ar %d", (int)(32*d));
881 op += strlen(op);
882 sprintf(op, " -ms %.2g", asz/40.);
883 op += strlen(op);
884 break;
885 case MEDIUM:
886 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
887 op = addarg(op, "-dp 2048");
888 sprintf(op, " -ar %d", (int)(64*d));
889 op += strlen(op);
890 sprintf(op, " -ms %.2g", asz/80.);
891 op += strlen(op);
892 break;
893 case HIGH:
894 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
895 op = addarg(op, "-dp 4096");
896 sprintf(op, " -ar %d", (int)(128*d));
897 op += strlen(op);
898 sprintf(op, " -ms %.2g", asz/160.);
899 op += strlen(op);
900 break;
901 }
902 po = addarg(po, "-pt .04");
903 if (vbool(PENUMBRAS))
904 op = addarg(op, "-ds .1 -dj .9");
905 else
906 op = addarg(op, "-ds .2");
907 op = addarg(op, "-dt .05 -dc .75 -dr 3 -ss 16 -st .01");
908 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
909 op += strlen(op);
910 if (vdef(AMBFILE)) {
911 sprintf(op, " -af %s", vval(AMBFILE));
912 op += strlen(op);
913 } else
914 overture = 0;
915 switch (vscale(VARIABILITY)) {
916 case LOW:
917 op = addarg(op, "-aa .125 -ad 512 -as 64");
918 break;
919 case MEDIUM:
920 op = addarg(op, "-aa .1 -ad 1536 -as 768");
921 break;
922 case HIGH:
923 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
924 break;
925 }
926 d = ambval();
927 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
928 op += strlen(op);
929 op = addarg(op, "-lr 12 -lw 1e-5");
930 }
931
932
933 static void
934 xferopts( /* transfer options if indicated */
935 char *ro
936 )
937 {
938 int fd, n;
939 register char *cp;
940
941 n = strlen(ro);
942 if (n < 2)
943 return;
944 if (vdef(OPTFILE)) {
945 for (cp = ro; cp[1]; cp++)
946 if (isspace(cp[1]) && (cp[2] == '@' ||
947 (cp[2] == '-' && isalpha(cp[3]))))
948 *cp = '\n';
949 else
950 *cp = cp[1];
951 *cp = '\n';
952 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
953 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
954 syserr(vval(OPTFILE));
955 sprintf(ro, " @%s", vval(OPTFILE));
956 }
957 #ifdef _WIN32
958 else if (n > 50) {
959 setenv("ROPT", ro+1);
960 strcpy(ro, " $ROPT");
961 }
962 #endif
963 }
964
965
966 static void
967 pfiltopts( /* get pfilt options */
968 register char *po
969 )
970 {
971 *po = '\0';
972 if (vdef(EXPOSURE)) {
973 po = addarg(po, "-1 -e");
974 po = addarg(po, vval(EXPOSURE));
975 }
976 switch (vscale(QUALITY)) {
977 case MEDIUM:
978 po = addarg(po, "-r .6");
979 break;
980 case HIGH:
981 po = addarg(po, "-m .25");
982 break;
983 }
984 if (vdef(PFILT))
985 if (vval(PFILT)[0] != '-') {
986 atos(c_pfilt, sizeof(c_pfilt), vval(PFILT));
987 po = addarg(po, sskip2(vval(PFILT), 1));
988 } else
989 po = addarg(po, vval(PFILT));
990 }
991
992
993 static int
994 matchword( /* match white-delimited words */
995 register char *s1,
996 register char *s2
997 )
998 {
999 while (isspace(*s1)) s1++;
1000 while (isspace(*s2)) s2++;
1001 while (*s1 && !isspace(*s1))
1002 if (*s1++ != *s2++)
1003 return(0);
1004 return(!*s2 || isspace(*s2));
1005 }
1006
1007
1008 static char *
1009 specview( /* get proper view spec from vs */
1010 register char *vs
1011 )
1012 {
1013 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1014 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1015 static char viewopts[128];
1016 register char *cp;
1017 int xpos, ypos, zpos, viewtype, upax;
1018 register int i;
1019 double cent[3], dim[3], mult, d;
1020
1021 if (vs == NULL || *vs == '-')
1022 return(vs);
1023 upax = 0; /* get the up vector */
1024 if (vdef(UP)) {
1025 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1026 upax = 1-'X'+UPPER(vval(UP)[1]);
1027 else
1028 upax = 1-'X'+vlet(UP);
1029 if ((upax < 1) | (upax > 3))
1030 badvalue(UP);
1031 if (vval(UP)[0] == '-')
1032 upax = -upax;
1033 }
1034 /* check standard view names */
1035 xpos = ypos = zpos = 0;
1036 if (*vs == 'X') {
1037 xpos = 1; vs++;
1038 } else if (*vs == 'x') {
1039 xpos = -1; vs++;
1040 }
1041 if (*vs == 'Y') {
1042 ypos = 1; vs++;
1043 } else if (*vs == 'y') {
1044 ypos = -1; vs++;
1045 }
1046 if (*vs == 'Z') {
1047 zpos = 1; vs++;
1048 } else if (*vs == 'z') {
1049 zpos = -1; vs++;
1050 }
1051 switch (*vs) {
1052 case VT_PER:
1053 case VT_PAR:
1054 case VT_ANG:
1055 case VT_HEM:
1056 case VT_PLS:
1057 case VT_CYL:
1058 viewtype = *vs++;
1059 break;
1060 default:
1061 viewtype = VT_PER;
1062 break;
1063 }
1064 cp = viewopts;
1065 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1066 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1067 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1068 &cent[0], &dim[0], &cent[1], &dim[1],
1069 &cent[2], &dim[2]) != 6)
1070 badvalue(ZONE);
1071 for (i = 0; i < 3; i++) {
1072 dim[i] -= cent[i];
1073 if (dim[i] <= FTINY)
1074 badvalue(ZONE);
1075 cent[i] += .5*dim[i];
1076 }
1077 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1078 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1079 cent[0]+xpos*mult*dim[0],
1080 cent[1]+ypos*mult*dim[1],
1081 cent[2]+zpos*mult*dim[2],
1082 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1083 cp += strlen(cp);
1084 /* redirect up axis if necessary */
1085 switch (upax) {
1086 case 3: /* plus or minus Z axis */
1087 case -3:
1088 case 0:
1089 if (!(xpos|ypos))
1090 upax = 2;
1091 break;
1092 case 2: /* plus or minus Y axis */
1093 case -2:
1094 if (!(xpos|zpos))
1095 upax = 1;
1096 break;
1097 case 1: /* plus or minus X axis */
1098 case -1:
1099 if (!(ypos|zpos))
1100 upax = 3;
1101 break;
1102 }
1103 cp = addarg(cp, vup[upax+3]);
1104 switch (viewtype) {
1105 case VT_PER:
1106 cp = addarg(cp, "-vh 45 -vv 45");
1107 break;
1108 case VT_PAR:
1109 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1110 sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1111 cp += strlen(cp);
1112 break;
1113 case VT_ANG:
1114 case VT_HEM:
1115 case VT_PLS:
1116 cp = addarg(cp, "-vh 180 -vv 180");
1117 break;
1118 case VT_CYL:
1119 cp = addarg(cp, "-vh 180 -vv 90");
1120 break;
1121 }
1122 } else {
1123 while (!isspace(*vs)) /* else skip id */
1124 if (!*vs++)
1125 return(NULL);
1126 if (upax) { /* prepend up vector */
1127 strcpy(cp, vup[upax+3]);
1128 cp += strlen(cp);
1129 }
1130 }
1131 if (cp == viewopts) /* append any additional options */
1132 vs++; /* skip prefixed space if unneeded */
1133 strcpy(cp, vs);
1134 #ifdef _WIN32
1135 if (strlen(viewopts) > 40) {
1136 setenv("VIEW", viewopts);
1137 return("$VIEW");
1138 }
1139 #endif
1140 return(viewopts);
1141 }
1142
1143
1144 static char *
1145 getview( /* get view n, or NULL if none */
1146 int n,
1147 char *vn /* returned view name */
1148 )
1149 {
1150 register char *mv;
1151
1152 if (viewselect != NULL) { /* command-line selected */
1153 if (n) /* only do one */
1154 return(NULL);
1155
1156 if (isint(viewselect)) { /* view number? */
1157 n = atoi(viewselect)-1;
1158 goto numview;
1159 }
1160 if (viewselect[0] == '-') { /* already specified */
1161 if (vn != NULL)
1162 strcpy(vn, "0");
1163 return(viewselect);
1164 }
1165 if (vn != NULL) {
1166 for (mv = viewselect; *mv && !isspace(*mv);
1167 *vn++ = *mv++)
1168 ;
1169 *vn = '\0';
1170 }
1171 /* check list */
1172 while ((mv = nvalue(VIEWS, n++)) != NULL)
1173 if (matchword(viewselect, mv))
1174 return(specview(mv));
1175
1176 return(specview(viewselect)); /* standard view? */
1177 }
1178 numview:
1179 mv = nvalue(VIEWS, n); /* use view n */
1180 if ((vn != NULL) & (mv != NULL))
1181 if (*mv != '-') {
1182 register char *mv2 = mv;
1183 while (*mv2 && !isspace(*mv2))
1184 *vn++ = *mv2++;
1185 *vn = '\0';
1186 } else
1187 sprintf(vn, "%d", n+1);
1188
1189 return(specview(mv));
1190 }
1191
1192
1193 static int
1194 myprintview( /* print out selected view */
1195 register char *vopts,
1196 FILE *fp
1197 )
1198 {
1199 VIEW vwr;
1200 char buf[128];
1201 register char *cp;
1202 #ifdef _WIN32
1203 /* XXX Should we allow something like this for all platforms? */
1204 /* XXX Or is it still required at all? */
1205 again:
1206 #endif
1207 if (vopts == NULL)
1208 return(-1);
1209 #ifdef _WIN32
1210 if (vopts[0] == '$') {
1211 vopts = getenv(vopts+1);
1212 goto again;
1213 }
1214 #endif
1215 vwr = stdview;
1216 sscanview(&vwr, cp=vopts); /* set initial options */
1217 while ((cp = strstr(cp, "-vf ")) != NULL &&
1218 *atos(buf, sizeof(buf), cp += 4)) {
1219 viewfile(buf, &vwr, NULL); /* load -vf file */
1220 sscanview(&vwr, cp); /* reset tail */
1221 }
1222 fputs(VIEWSTR, fp);
1223 fprintview(&vwr, fp); /* print full spec. */
1224 fputc('\n', fp);
1225 return(0);
1226 }
1227
1228
1229 static void
1230 rvu( /* run rvu with first view */
1231 char *opts,
1232 char *po
1233 )
1234 {
1235 char *vw;
1236 char combuf[PATH_MAX];
1237 /* build command */
1238 if (touchonly || (vw = getview(0, NULL)) == NULL)
1239 return;
1240 if (sayview)
1241 myprintview(vw, stdout);
1242 sprintf(combuf, "%s %s%s%s -R %s ", c_rvu, vw, opts, po, rifname);
1243 if (nprocs > 1)
1244 sprintf(combuf+strlen(combuf), "-n %d ", nprocs);
1245 if (rvdevice != NULL)
1246 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1247 if (vdef(EXPOSURE))
1248 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1249 strcat(combuf, oct1name);
1250 if (runcom(combuf)) { /* run it */
1251 fprintf(stderr, "%s: error running %s\n", progname, c_rvu);
1252 quit(1);
1253 }
1254 }
1255
1256
1257 static int
1258 syncf_done( /* check if an rpiece sync file is complete */
1259 char *sfname
1260 )
1261 {
1262 FILE *fp = fopen(sfname, "r");
1263 int todo = 1;
1264 int x, y;
1265
1266 if (fp == NULL)
1267 return(0);
1268 if (fscanf(fp, "%d %d", &x, &y) != 2)
1269 goto checked;
1270 todo = x*y; /* total number of tiles */
1271 if (fscanf(fp, "%d %d", &x, &y) != 2 || (x != 0) | (y != 0))
1272 goto checked;
1273 /* XXX assume no redundant tiles */
1274 while (fscanf(fp, "%d %d", &x, &y) == 2)
1275 if (!--todo)
1276 break;
1277 checked:
1278 fclose(fp);
1279 return(!todo);
1280 }
1281
1282
1283 static void
1284 rpict( /* run rpict and pfilt for each view */
1285 char *opts,
1286 char *po
1287 )
1288 {
1289 #define do_rpiece (sfile[0]!='\0')
1290 char combuf[5*PATH_MAX+512];
1291 char rawfile[PATH_MAX], picfile[PATH_MAX];
1292 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1293 char rppopt[32], sfile[PATH_MAX], *pfile = NULL;
1294 char pfopts[128];
1295 char vs[32], *vw;
1296 int vn, mult;
1297 FILE *fp;
1298 time_t rfdt, pfdt;
1299 int xres, yres;
1300 double aspect;
1301 int n;
1302 /* get pfilt options */
1303 pfiltopts(pfopts);
1304 /* get resolution, reporting */
1305 switch (vscale(QUALITY)) {
1306 case LOW:
1307 mult = 1;
1308 break;
1309 case MEDIUM:
1310 mult = 2;
1311 break;
1312 case HIGH:
1313 mult = 3;
1314 break;
1315 }
1316 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1317 if (n == 3)
1318 sprintf(res, "-x %d -y %d -pa %.3f",
1319 mult*xres, mult*yres, aspect);
1320 else if (n) {
1321 aspect = 1.;
1322 if (n == 1) yres = xres;
1323 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1324 } else
1325 badvalue(RESOLUTION);
1326 rep[0] = '\0';
1327 if (vdef(REPORT)) {
1328 double minutes;
1329 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1330 if (n == 2)
1331 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1332 else if (n == 1)
1333 sprintf(rep, " -t %d", (int)(minutes*60));
1334 else
1335 badvalue(REPORT);
1336 }
1337 /* set up parallel rendering */
1338 sfile[0] = '\0';
1339 if ((nprocs > 1) & !touchonly & !vdef(ZFILE) &&
1340 getview(0, vs) != NULL) {
1341 if (!strcmp(c_rpict, DEF_RPICT_PATH) &&
1342 getview(1, NULL) == NULL) {
1343 sprintf(sfile, "%s_%s_rpsync.txt",
1344 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE),
1345 vs);
1346 strcpy(rppopt, "-PP pfXXXXXX");
1347 } else {
1348 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1349 }
1350 pfile = rppopt + strlen(rppopt) - 8;
1351 if (mktemp(pfile) == NULL) {
1352 if (do_rpiece) {
1353 fprintf(stderr, "%s: cannot create\n", pfile);
1354 quit(1);
1355 }
1356 pfile = NULL;
1357 }
1358 }
1359 vn = 0; /* do each view */
1360 while ((vw = getview(vn++, vs)) != NULL) {
1361 if (sayview)
1362 myprintview(vw, stdout);
1363 sprintf(picfile, "%s_%s.hdr", vval(PICTURE), vs);
1364 if (vdef(ZFILE))
1365 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1366 else
1367 zopt[0] = '\0';
1368 /* check date on picture */
1369 pfdt = fdate(picfile);
1370 if (pfdt >= oct1date)
1371 continue;
1372 /* get raw file name */
1373 sprintf(rawfile, "%s_%s.unf",
1374 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1375 rfdt = fdate(rawfile);
1376 if (touchonly) { /* update times only */
1377 if (rfdt) {
1378 if (rfdt < oct1date)
1379 touch(rawfile);
1380 } else if (pfdt && pfdt < oct1date)
1381 touch(picfile);
1382 continue;
1383 }
1384 /* parallel running? */
1385 if (do_rpiece) {
1386 if (rfdt < oct1date || !fdate(sfile)) {
1387 int xdiv = 8+nprocs/3, ydiv = 8+nprocs/3;
1388 if (rfdt >= oct1date) {
1389 fprintf(stderr,
1390 "%s: partial output not created with %s\n", rawfile, c_rpiece);
1391 quit(1);
1392 }
1393 if (rfdt) { /* start fresh */
1394 rmfile(rawfile);
1395 rfdt = 0;
1396 }
1397 if (!silent)
1398 printf("\techo %d %d > %s\n",
1399 xdiv, ydiv, sfile);
1400 if ((fp = fopen(sfile, "w")) == NULL) {
1401 fprintf(stderr, "%s: cannot create\n",
1402 sfile);
1403 quit(1);
1404 }
1405 fprintf(fp, "%d %d\n", xdiv, ydiv);
1406 fclose(fp);
1407 }
1408 } else if (next_process(0)) {
1409 if (pfile != NULL)
1410 sleep(10);
1411 continue;
1412 } else if (!inchild())
1413 pfile = NULL;
1414 /* XXX Remember to call finish_process() */
1415 /* build rpict command */
1416 if (rfdt >= oct1date) { /* already in progress */
1417 if (do_rpiece) {
1418 sprintf(combuf, "%s -R %s %s%s %s %s%s%s -o %s %s",
1419 c_rpiece, sfile, rppopt, rep, vw,
1420 res, opts, po, rawfile, oct1name);
1421 while (next_process(1)) {
1422 sleep(10);
1423 combuf[strlen(c_rpiece)+2] = 'F';
1424 }
1425 } else
1426 sprintf(combuf, "%s%s%s%s%s -ro %s %s", c_rpict,
1427 rep, opts, po, zopt, rawfile, oct1name);
1428 if (runcom(combuf)) /* run rpict/rpiece */
1429 goto rperror;
1430 } else {
1431 if (overture) { /* run overture calculation */
1432 sprintf(combuf,
1433 "%s%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1434 c_rpict, rep, vw, opts,
1435 oct1name, overfile);
1436 if (!do_rpiece || !next_process(0)) {
1437 if (runcom(combuf)) {
1438 fprintf(stderr,
1439 "%s: error in overture for view %s\n",
1440 progname, vs);
1441 quit(1);
1442 }
1443 #ifndef NULL_DEVICE
1444 rmfile(overfile);
1445 #endif
1446 } else if (do_rpiece)
1447 sleep(20);
1448 }
1449 if (do_rpiece) {
1450 sprintf(combuf, "%s -F %s %s%s %s %s%s%s -o %s %s",
1451 c_rpiece, sfile, rppopt, rep, vw,
1452 res, opts, po, rawfile, oct1name);
1453 while (next_process(1))
1454 sleep(10);
1455 } else {
1456 sprintf(combuf, "%s%s %s %s%s%s%s %s > %s",
1457 c_rpict, rep, vw, res, opts, po,
1458 zopt, oct1name, rawfile);
1459 }
1460 if ((pfile != NULL) & !do_rpiece) {
1461 if (!silent)
1462 printf("\t%s\n", combuf);
1463 fflush(stdout);
1464 sprintf(combuf, "%s%s %s %s%s%s %s > %s",
1465 c_rpict, rep, rppopt, res,
1466 opts, po, oct1name, rawfile);
1467 fp = popen(combuf, "w");
1468 if (fp == NULL)
1469 goto rperror;
1470 myprintview(vw, fp);
1471 if (pclose(fp))
1472 goto rperror;
1473 } else if (runcom(combuf))
1474 goto rperror;
1475 }
1476 if (do_rpiece) { /* need to finish raw, first */
1477 finish_process();
1478 wait_process(1);
1479 if (!syncf_done(sfile)) {
1480 fprintf(stderr,
1481 "%s: %s did not complete rendering of view %s\n",
1482 progname, c_rpiece, vs);
1483 quit(1);
1484 }
1485 }
1486 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1487 /* build pfilt command */
1488 if (do_rpiece)
1489 sprintf(combuf,
1490 "%s%s -x %d -y %d -p %.3f %s > %s",
1491 c_pfilt, pfopts, xres, yres, aspect,
1492 rawfile, picfile);
1493 else if (mult > 1)
1494 sprintf(combuf, "%s%s -x /%d -y /%d %s > %s",
1495 c_pfilt, pfopts, mult, mult,
1496 rawfile, picfile);
1497 else
1498 sprintf(combuf, "%s%s %s > %s", c_pfilt,
1499 pfopts, rawfile, picfile);
1500 if (runcom(combuf)) { /* run pfilt */
1501 fprintf(stderr,
1502 "%s: error filtering view %s\n\t%s removed\n",
1503 progname, vs, picfile);
1504 unlink(picfile);
1505 quit(1);
1506 }
1507 }
1508 /* remove/rename raw file */
1509 if (vdef(RAWFILE)) {
1510 sprintf(combuf, "%s_%s.hdr", vval(RAWFILE), vs);
1511 mvfile(rawfile, combuf);
1512 } else
1513 rmfile(rawfile);
1514 if (do_rpiece) /* done with sync file */
1515 rmfile(sfile);
1516 else
1517 finish_process(); /* exit if child */
1518 }
1519 wait_process(1); /* wait for children to finish */
1520 if (pfile != NULL) { /* clean up persistent rpict */
1521 RT_PID pid;
1522 fp = fopen(pfile, "r");
1523 if (fp != NULL) {
1524 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1525 kill(pid, 1) < 0)
1526 unlink(pfile);
1527 fclose(fp);
1528 }
1529 }
1530 return;
1531 rperror:
1532 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1533 quit(1);
1534 #undef do_rpiece
1535 }
1536
1537
1538 static int
1539 touch( /* update a file */
1540 char *fn
1541 )
1542 {
1543 if (!silent)
1544 printf("\ttouch %s\n", fn);
1545 if (!nprocs)
1546 return(0);
1547 return(setfdate(fn, time((time_t *)NULL)));
1548 }
1549
1550
1551 static int
1552 runcom( /* run command */
1553 char *cs
1554 )
1555 {
1556 if (!silent) /* echo it */
1557 printf("\t%s\n", cs);
1558 if (!nprocs)
1559 return(0);
1560 fflush(NULL); /* flush output and pass to shell */
1561 return(system(cs));
1562 }
1563
1564
1565 static int
1566 rmfile( /* remove a file */
1567 char *fn
1568 )
1569 {
1570 if (!silent)
1571 printf("\t%s %s\n", DELCMD, fn);
1572 if (!nprocs)
1573 return(0);
1574 return(unlink(fn));
1575 }
1576
1577
1578 static int
1579 mvfile( /* move a file */
1580 char *fold,
1581 char *fnew
1582 )
1583 {
1584 if (!silent)
1585 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1586 if (!nprocs)
1587 return(0);
1588 return(rename(fold, fnew));
1589 }
1590
1591
1592 #ifdef RHAS_FORK_EXEC
1593 static int
1594 next_process(int reserve) /* fork the next process */
1595 {
1596 RT_PID child_pid;
1597
1598 if (nprocs <= 1)
1599 return(0); /* it's us or no one */
1600 if (inchild()) {
1601 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1602 progname);
1603 quit(1);
1604 }
1605 if (reserve > 0 && children_running >= nprocs-reserve)
1606 return(0); /* caller holding back process(es) */
1607 if (children_running >= nprocs)
1608 wait_process(0); /* wait for someone to finish */
1609 fflush(NULL); /* flush output */
1610 child_pid = fork(); /* split process */
1611 if (child_pid == 0) { /* we're the child */
1612 children_running = -1;
1613 nprocs = 1;
1614 return(0);
1615 }
1616 if (child_pid > 0) { /* we're the parent */
1617 ++children_running;
1618 return(1);
1619 }
1620 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1621 return(0);
1622 }
1623
1624 static void
1625 wait_process( /* wait for process(es) to finish */
1626 int all
1627 )
1628 {
1629 int ourstatus = 0, status;
1630 RT_PID pid;
1631
1632 if (all)
1633 all = children_running;
1634 else if (children_running > 0)
1635 all = 1;
1636 while (all-- > 0) {
1637 pid = wait(&status);
1638 if (pid < 0)
1639 syserr(progname);
1640 status = status>>8 & 0xff;
1641 --children_running;
1642 if (status != 0) { /* child's problem is our problem */
1643 if ((ourstatus == 0) & (children_running > 0))
1644 fprintf(stderr, "%s: waiting for remaining processes\n",
1645 progname);
1646 ourstatus = status;
1647 all = children_running;
1648 }
1649 }
1650 if (ourstatus != 0)
1651 quit(ourstatus); /* bad status from child */
1652 }
1653 #else /* ! RHAS_FORK_EXEC */
1654 static int
1655 next_process(int reserve)
1656 {
1657 return(0); /* cannot start new process */
1658 }
1659 static void
1660 wait_process(all)
1661 int all;
1662 {
1663 (void)all; /* no one to wait for */
1664 }
1665 int
1666 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1667 RT_PID pid;
1668 int sig;
1669 {
1670 return 0;
1671 }
1672 #endif /* ! RHAS_FORK_EXEC */
1673
1674 static void
1675 finish_process(void) /* exit a child process */
1676 {
1677 if (!inchild())
1678 return; /* in parent -- noop */
1679 exit(0);
1680 }
1681
1682 #ifdef _WIN32
1683 setenv(vname, value) /* set an environment variable */
1684 char *vname, *value;
1685 {
1686 register char *evp;
1687
1688 evp = bmalloc(strlen(vname)+strlen(value)+2);
1689 if (evp == NULL)
1690 syserr(progname);
1691 sprintf(evp, "%s=%s", vname, value);
1692 if (putenv(evp) != 0) {
1693 fprintf(stderr, "%s: out of environment space\n", progname);
1694 quit(1);
1695 }
1696 if (!silent)
1697 printf("set %s\n", evp);
1698 }
1699 #endif
1700
1701
1702 static void
1703 badvalue( /* report bad variable value and exit */
1704 int vc
1705 )
1706 {
1707 fprintf(stderr, "%s: bad value for variable '%s'\n",
1708 progname, vnam(vc));
1709 quit(1);
1710 }
1711
1712
1713 static void
1714 syserr( /* report a system error and exit */
1715 char *s
1716 )
1717 {
1718 perror(s);
1719 quit(1);
1720 }
1721
1722
1723 void
1724 quit(ec) /* exit program */
1725 int ec;
1726 {
1727 exit(ec);
1728 }