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root/radiance/ray/src/util/rad.c
Revision: 2.112
Committed: Tue May 26 10:00:47 2015 UTC (8 years, 10 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.111: +173 -34 lines
Log Message:
Added photon map support to rad

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.111 2014/10/26 17:35:53 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 #include <signal.h>
28 #endif
29
30 /* variables (alphabetical by name) */
31 #define AMBFILE 0 /* ambient file name */
32 #define DETAIL 1 /* level of scene detail */
33 #define EXPOSURE 2 /* picture exposure setting */
34 #define EYESEP 3 /* interocular distance */
35 #define ILLUM 4 /* mkillum input files */
36 #define INDIRECT 5 /* indirection in lighting */
37 #define MATERIAL 6 /* material files */
38 #define MKILLUM 7 /* mkillum options */
39 #define MKPMAP 8 /* mkpmap options */
40 #define OBJECT 9 /* object files */
41 #define OCONV 10 /* oconv options */
42 #define OCTREE 11 /* octree file name */
43 #define OPTFILE 12 /* rendering options file */
44 #define PCMAP 13 /* caustic photon map */
45 #define PENUMBRAS 14 /* shadow penumbras are desired */
46 #define PFILT 15 /* pfilt options */
47 #define PGMAP 16 /* global photon map */
48 #define PICTURE 17 /* picture file root name */
49 #define QUALITY 18 /* desired rendering quality */
50 #define RAWFILE 19 /* raw picture file root name */
51 #define RENDER 20 /* rendering options */
52 #define REPORT 21 /* report frequency and errfile */
53 #define RESOLUTION 22 /* maximum picture resolution */
54 #define RPICT 23 /* rpict parameters */
55 #define RVU 24 /* rvu parameters */
56 #define SCENE 25 /* scene files */
57 #define UP 26 /* view up (X, Y or Z) */
58 #define VARIABILITY 27 /* level of light variability */
59 #define VIEWS 28 /* view(s) for picture(s) */
60 #define ZFILE 29 /* distance file root name */
61 #define ZONE 30 /* simulation zone */
62 /* total number of variables */
63 int NVARS = 31;
64
65 VARIABLE vv[] = { /* variable-value pairs */
66 {"AMBFILE", 3, 0, NULL, onevalue},
67 {"DETAIL", 3, 0, NULL, qualvalue},
68 {"EXPOSURE", 3, 0, NULL, fltvalue},
69 {"EYESEP", 3, 0, NULL, fltvalue},
70 {"illum", 3, 0, NULL, catvalues},
71 {"INDIRECT", 3, 0, NULL, intvalue},
72 {"materials", 3, 0, NULL, catvalues},
73 {"mkillum", 3, 0, NULL, catvalues},
74 {"mkpmap", 3, 0, NULL, catvalues},
75 {"objects", 3, 0, NULL, catvalues},
76 {"oconv", 3, 0, NULL, catvalues},
77 {"OCTREE", 3, 0, NULL, onevalue},
78 {"OPTFILE", 3, 0, NULL, onevalue},
79 {"PCMAP", 2, 0, NULL, onevalue},
80 {"PENUMBRAS", 3, 0, NULL, boolvalue},
81 {"pfilt", 2, 0, NULL, catvalues},
82 {"PGMAP", 2, 0, NULL, onevalue},
83 {"PICTURE", 3, 0, NULL, onevalue},
84 {"QUALITY", 3, 0, NULL, qualvalue},
85 {"RAWFILE", 3, 0, NULL, onevalue},
86 {"render", 3, 0, NULL, catvalues},
87 {"REPORT", 3, 0, NULL, onevalue},
88 {"RESOLUTION", 3, 0, NULL, onevalue},
89 {"rpict", 3, 0, NULL, catvalues},
90 {"rvu", 3, 0, NULL, catvalues},
91 {"scene", 3, 0, NULL, catvalues},
92 {"UP", 2, 0, NULL, onevalue},
93 {"VARIABILITY", 3, 0, NULL, qualvalue},
94 {"view", 2, 0, NULL, NULL},
95 {"ZFILE", 2, 0, NULL, onevalue},
96 {"ZONE", 2, 0, NULL, onevalue},
97 };
98
99 /* overture calculation file */
100 #ifdef NULL_DEVICE
101 char overfile[] = NULL_DEVICE;
102 #else
103 char overfile[] = "overture.unf";
104 #endif
105
106
107 time_t scenedate; /* date of latest scene or object file */
108 time_t octreedate; /* date of octree */
109 time_t matdate; /* date of latest material file */
110 time_t illumdate; /* date of last illum file */
111
112 char *oct0name; /* name of pre-mkillum octree */
113 time_t oct0date; /* date of pre-mkillum octree */
114 char *oct1name; /* name of post-mkillum octree */
115 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
116
117 char *pgmapname; /* name of global photon map */
118 time_t pgmapdate; /* date of global photon map (>= oct1date) */
119 char *pcmapname; /* name of caustic photon map */
120 time_t pcmapdate; /* date of caustic photon map (>= oct1date) */
121
122 int nowarn = 0; /* no warnings */
123 int explicate = 0; /* explicate variables */
124 int silent = 0; /* do work silently */
125 int touchonly = 0; /* touch files only */
126 int nprocs = 1; /* maximum executing processes */
127 int sayview = 0; /* print view out */
128 char *rvdevice = NULL; /* rvu output device */
129 char *viewselect = NULL; /* specific view only */
130
131 #define DEF_RPICT_PATH "rpict" /* default rpict path */
132
133 /* command paths */
134 char c_oconv[256] = "oconv";
135 char c_mkillum[256] = "mkillum";
136 char c_mkpmap[256] = "mkpmap";
137 char c_rvu[256] = "rvu";
138 char c_rpict[256] = DEF_RPICT_PATH;
139 char c_rpiece[] = "rpiece";
140 char c_pfilt[256] = "pfilt";
141
142 int overture = 0; /* overture calculation needed */
143
144 int children_running = 0; /* set negative in children */
145
146 char *progname; /* global argv[0] */
147 char *rifname; /* global rad input file name */
148
149 char radname[PATH_MAX]; /* root Radiance file name */
150
151 #define inchild() (children_running < 0)
152
153 static void rootname(char *rn, char *fn);
154 static time_t checklast(char *fnames);
155 static char * newfname(char *orig, int pred);
156 static void checkfiles(void);
157 static void getoctcube(double org[3], double *sizp);
158 static void setdefaults(void);
159 static void oconv(void);
160 static void mkpmap(void);
161 static char * addarg(char *op, char *arg);
162 static void oconvopts(char *oo);
163 static void mkillumopts(char *mo);
164 static void mkpmapopts(char *mo);
165 static void checkambfile(void);
166 static double ambval(void);
167 static void renderopts(char *op, char *po);
168 static void lowqopts(char *op, char *po);
169 static void medqopts(char *op, char *po);
170 static void hiqopts(char *op, char *po);
171 static void xferopts(char *ro);
172 static void pfiltopts(char *po);
173 static int matchword(char *s1, char *s2);
174 static char * specview(char *vs);
175 static char * getview(int n, char *vn);
176 static int myprintview(char *vopts, FILE *fp);
177 static void rvu(char *opts, char *po);
178 static void rpict(char *opts, char *po);
179 static int touch(char *fn);
180 static int runcom(char *cs);
181 static int rmfile(char *fn);
182 static int mvfile(char *fold, char *fnew);
183 static int next_process(int reserve);
184 static void wait_process(int all);
185 static void finish_process(void);
186 static void badvalue(int vc);
187 static void syserr(char *s);
188
189
190 int
191 main(
192 int argc,
193 char *argv[]
194 )
195 {
196 char ropts[512];
197 char popts[64];
198 int i;
199
200 progname = argv[0];
201 /* get options */
202 for (i = 1; i < argc && argv[i][0] == '-'; i++)
203 switch (argv[i][1]) {
204 case 's':
205 silent++;
206 break;
207 case 'n':
208 nprocs = 0;
209 break;
210 case 'N':
211 nprocs = atoi(argv[++i]);
212 if (nprocs < 0)
213 nprocs = 0;
214 break;
215 case 't':
216 touchonly++;
217 break;
218 case 'e':
219 explicate++;
220 break;
221 case 'o':
222 rvdevice = argv[++i];
223 break;
224 case 'V':
225 sayview++;
226 break;
227 case 'v':
228 viewselect = argv[++i];
229 break;
230 case 'w':
231 nowarn++;
232 break;
233 default:
234 goto userr;
235 }
236 if (i >= argc)
237 goto userr;
238 rifname = argv[i];
239 /* assign Radiance root file name */
240 rootname(radname, rifname);
241 /* load variable values */
242 loadvars(rifname);
243 /* get any additional assignments */
244 for (i++; i < argc; i++)
245 if (setvariable(argv[i], matchvar) < 0) {
246 fprintf(stderr, "%s: unknown variable: %s\n",
247 progname, argv[i]);
248 quit(1);
249 }
250 /* check assignments */
251 checkvalues();
252 /* check files and dates */
253 checkfiles();
254 /* set default values as necessary */
255 setdefaults();
256 /* print all values if requested */
257 if (explicate)
258 printvars(stdout);
259 /* build octree (and run mkillum) */
260 oconv();
261 /* run mkpmap if indicated */
262 mkpmap();
263 /* check date on ambient file */
264 checkambfile();
265 /* run simulation */
266 renderopts(ropts, popts);
267 xferopts(ropts);
268 if (rvdevice != NULL)
269 rvu(ropts, popts);
270 else
271 rpict(ropts, popts);
272 quit(0);
273 userr:
274 fprintf(stderr,
275 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
276 progname);
277 quit(1);
278 return 1; /* pro forma return */
279 }
280
281
282 static void
283 rootname( /* remove tail from end of fn */
284 char *rn,
285 char *fn
286 )
287 {
288 char *tp, *dp;
289
290 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
291 if (ISDIRSEP(*rn))
292 dp = rn;
293 else if (*rn == '.')
294 tp = rn;
295 if (tp != NULL && tp > dp)
296 *tp = '\0';
297 }
298
299
300 static time_t
301 checklast( /* check files and find most recent */
302 char *fnames
303 )
304 {
305 char thisfile[PATH_MAX];
306 time_t thisdate, lastdate = 0;
307
308 if (fnames == NULL)
309 return(0);
310 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
311 if (thisfile[0] == '!' ||
312 (thisfile[0] == '\\' && thisfile[1] == '!')) {
313 if (!lastdate)
314 lastdate = 1;
315 continue;
316 }
317 if (!(thisdate = fdate(thisfile)))
318 syserr(thisfile);
319 if (thisdate > lastdate)
320 lastdate = thisdate;
321 }
322 return(lastdate);
323 }
324
325
326 static char *
327 newfname( /* create modified file name */
328 char *orig,
329 int pred
330 )
331 {
332 char *cp;
333 int n;
334 int suffix;
335
336 n = 0; cp = orig; suffix = -1; /* suffix position, length */
337 while (*cp) {
338 if (*cp == '.') suffix = n;
339 else if (ISDIRSEP(*cp)) suffix = -1;
340 cp++; n++;
341 }
342 if (suffix == -1) suffix = n;
343 if ((cp = bmalloc(n+2)) == NULL)
344 syserr(progname);
345 strncpy(cp, orig, suffix);
346 cp[suffix] = pred; /* root name + pred + suffix */
347 strcpy(cp+suffix+1, orig+suffix);
348 return(cp);
349 }
350
351
352 static void
353 checkfiles(void) /* check for existence and modified times */
354 {
355 char fntemp[256];
356 time_t objdate;
357
358 if (!vdef(OCTREE)) {
359 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
360 syserr(progname);
361 sprintf(vval(OCTREE), "%s.oct", radname);
362 vdef(OCTREE)++;
363 } else if (vval(OCTREE)[0] == '!') {
364 fprintf(stderr, "%s: illegal '%s' specification\n",
365 progname, vnam(OCTREE));
366 quit(1);
367 }
368 octreedate = fdate(vval(OCTREE));
369 if (vdef(ILLUM)) { /* illum requires secondary octrees */
370 oct0name = newfname(vval(OCTREE), '0');
371 oct1name = newfname(vval(OCTREE), '1');
372 oct0date = fdate(oct0name);
373 oct1date = fdate(oct1name);
374 } else
375 oct0name = oct1name = vval(OCTREE);
376 if ((scenedate = checklast(vval(SCENE))) &&
377 (objdate = checklast(vval(OBJECT))) > scenedate)
378 scenedate = objdate;
379 illumdate = checklast(vval(ILLUM));
380 if (!octreedate & !scenedate & !illumdate) {
381 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
382 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
383 quit(1);
384 }
385 if (vdef(PGMAP)) {
386 if (!*sskip2(vval(PGMAP),1)) {
387 fprintf(stderr, "%s: '%s' missing # photons argument\n",
388 progname, vnam(PGMAP));
389 quit(1);
390 }
391 atos(fntemp, sizeof(fntemp), vval(PGMAP));
392 pgmapname = savqstr(fntemp);
393 pgmapdate = fdate(pgmapname);
394 }
395 if (vdef(PCMAP)) {
396 if (!*sskip2(vval(PCMAP),1)) {
397 fprintf(stderr, "%s: '%s' missing # photons argument\n",
398 progname, vnam(PCMAP));
399 quit(1);
400 }
401 atos(fntemp, sizeof(fntemp), vval(PCMAP));
402 pcmapname = savqstr(fntemp);
403 pcmapdate = fdate(pcmapname);
404 if (pgmapname == NULL && !nowarn)
405 fprintf(stderr, "%s: '%s' assigned without '%s'\n",
406 progname, vnam(PCMAP), vnam(PGMAP));
407 }
408 matdate = checklast(vval(MATERIAL));
409 }
410
411
412 static void
413 getoctcube( /* get octree bounding cube */
414 double org[3],
415 double *sizp
416 )
417 {
418 static double oorg[3], osiz = 0.;
419 double min[3], max[3];
420 char buf[1024];
421 FILE *fp;
422 int i;
423
424 if (osiz <= FTINY) {
425 if (!nprocs && fdate(oct1name) <
426 (scenedate>illumdate?scenedate:illumdate)) {
427 /* run getbbox */
428 sprintf(buf, "getbbox -w -h %s",
429 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
430 if ((fp = popen(buf, "r")) == NULL)
431 syserr("getbbox");
432 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
433 &min[0], &max[0], &min[1], &max[1],
434 &min[2], &max[2]) != 6) {
435 fprintf(stderr,
436 "%s: error reading bounding box from getbbox\n",
437 progname);
438 quit(1);
439 }
440 for (i = 0; i < 3; i++)
441 if (max[i] - min[i] > osiz)
442 osiz = max[i] - min[i];
443 for (i = 0; i < 3; i++)
444 oorg[i] = (max[i]+min[i]-osiz)*.5;
445 pclose(fp);
446 } else { /* from octree */
447 oconv(); /* does nothing if done already */
448 sprintf(buf, "getinfo -d < %s", oct1name);
449 if ((fp = popen(buf, "r")) == NULL)
450 syserr("getinfo");
451 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
452 &oorg[2], &osiz) != 4) {
453 fprintf(stderr,
454 "%s: error reading bounding cube from getinfo\n",
455 progname);
456 quit(1);
457 }
458 pclose(fp);
459 }
460 }
461 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
462 }
463
464
465 static void
466 setdefaults(void) /* set default values for unassigned var's */
467 {
468 double org[3], lim[3], size;
469 char buf[128];
470
471 if (!vdef(ZONE)) {
472 getoctcube(org, &size);
473 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
474 org[1], org[1]+size, org[2], org[2]+size);
475 vval(ZONE) = savqstr(buf);
476 vdef(ZONE)++;
477 }
478 if (!vdef(EYESEP)) {
479 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
480 &org[0], &lim[0], &org[1], &lim[1],
481 &org[2], &lim[2]) != 6)
482 badvalue(ZONE);
483 sprintf(buf, "%f",
484 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
485 vval(EYESEP) = savqstr(buf);
486 vdef(EYESEP)++;
487 }
488 if (!vdef(INDIRECT)) {
489 vval(INDIRECT) = "0";
490 vdef(INDIRECT)++;
491 }
492 if (!vdef(QUALITY)) {
493 vval(QUALITY) = "L";
494 vdef(QUALITY)++;
495 }
496 if (!vdef(RESOLUTION)) {
497 vval(RESOLUTION) = "512";
498 vdef(RESOLUTION)++;
499 }
500 if (!vdef(PICTURE)) {
501 vval(PICTURE) = radname;
502 vdef(PICTURE)++;
503 }
504 if (!vdef(VIEWS)) {
505 vval(VIEWS) = "X";
506 vdef(VIEWS)++;
507 }
508 if (!vdef(DETAIL)) {
509 vval(DETAIL) = "M";
510 vdef(DETAIL)++;
511 }
512 if (!vdef(PENUMBRAS)) {
513 vval(PENUMBRAS) = "F";
514 vdef(PENUMBRAS)++;
515 }
516 if (!vdef(VARIABILITY)) {
517 vval(VARIABILITY) = "L";
518 vdef(VARIABILITY)++;
519 }
520 }
521
522
523 static void
524 oconv(void) /* run oconv and mkillum if necessary */
525 {
526 static char illumtmp[] = "ilXXXXXX";
527 char combuf[PATH_MAX], ocopts[64], mkopts[1024];
528
529 oconvopts(ocopts); /* get options */
530 if (octreedate < scenedate) { /* check date on original octree */
531 if (touchonly && octreedate)
532 touch(vval(OCTREE));
533 else { /* build command */
534 if (vdef(MATERIAL))
535 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
536 ocopts, vval(MATERIAL),
537 vval(SCENE), vval(OCTREE));
538 else
539 sprintf(combuf, "%s%s %s > %s", c_oconv, ocopts,
540 vval(SCENE), vval(OCTREE));
541
542 if (runcom(combuf)) { /* run it */
543 fprintf(stderr,
544 "%s: error generating octree\n\t%s removed\n",
545 progname, vval(OCTREE));
546 unlink(vval(OCTREE));
547 quit(1);
548 }
549 }
550 octreedate = time((time_t *)NULL);
551 if (octreedate < scenedate) /* in case clock is off */
552 octreedate = scenedate;
553 }
554 if (oct1name == vval(OCTREE)) /* no mkillum? */
555 oct1date = octreedate > matdate ? octreedate : matdate;
556 if ((oct1date >= octreedate) & (oct1date >= matdate)
557 & (oct1date >= illumdate)) /* all done */
558 return;
559 /* make octree0 */
560 if ((oct0date < scenedate) | (oct0date < illumdate)) {
561 if (touchonly && oct0date)
562 touch(oct0name);
563 else { /* build command */
564 if (octreedate)
565 sprintf(combuf, "%s%s -i %s %s > %s", c_oconv,
566 ocopts, vval(OCTREE),
567 vval(ILLUM), oct0name);
568 else if (vdef(MATERIAL))
569 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
570 ocopts, vval(MATERIAL),
571 vval(ILLUM), oct0name);
572 else
573 sprintf(combuf, "%s%s %s > %s", c_oconv,
574 ocopts, vval(ILLUM), oct0name);
575 if (runcom(combuf)) { /* run it */
576 fprintf(stderr,
577 "%s: error generating octree\n\t%s removed\n",
578 progname, oct0name);
579 unlink(oct0name);
580 quit(1);
581 }
582 }
583 oct0date = time((time_t *)NULL);
584 if (oct0date < octreedate) /* in case clock is off */
585 oct0date = octreedate;
586 if (oct0date < illumdate) /* ditto */
587 oct0date = illumdate;
588 }
589 if (touchonly && oct1date)
590 touch(oct1name);
591 else {
592 mkillumopts(mkopts); /* build mkillum command */
593 mktemp(illumtmp);
594 sprintf(combuf, "%s%s %s \"<\" %s > %s", c_mkillum, mkopts,
595 oct0name, vval(ILLUM), illumtmp);
596 if (runcom(combuf)) { /* run it */
597 fprintf(stderr, "%s: error running %s\n",
598 progname, c_mkillum);
599 unlink(illumtmp);
600 quit(1);
601 }
602 rmfile(oct0name);
603 /* make octree1 (frozen) */
604 if (octreedate)
605 sprintf(combuf, "%s%s -f -i %s %s > %s", c_oconv,
606 ocopts, vval(OCTREE), illumtmp, oct1name);
607 else if (vdef(MATERIAL))
608 sprintf(combuf, "%s%s -f %s %s > %s", c_oconv,
609 ocopts, vval(MATERIAL), illumtmp, oct1name);
610 else
611 sprintf(combuf, "%s%s -f %s > %s", c_oconv, ocopts,
612 illumtmp, oct1name);
613 if (runcom(combuf)) { /* run it */
614 fprintf(stderr,
615 "%s: error generating octree\n\t%s removed\n",
616 progname, oct1name);
617 unlink(oct1name);
618 unlink(illumtmp);
619 quit(1);
620 }
621 rmfile(illumtmp);
622 }
623 oct1date = time((time_t *)NULL);
624 if (oct1date < oct0date) /* in case clock is off */
625 oct1date = oct0date;
626 }
627
628
629 static void
630 mkpmap(void) /* run mkpmap if indicated */
631 {
632 char combuf[2048], *cp;
633 time_t tnow;
634 /* nothing to do? */
635 if ((pgmapname == NULL) | (pgmapdate >= oct1date) &&
636 (pcmapname == NULL) | (pcmapdate >= oct1date))
637 return;
638 /* just update existing file dates? */
639 if (touchonly && (pgmapname == NULL) | (pgmapdate > 0) &&
640 (pcmapname == NULL) | (pcmapdate > 0)) {
641 if (pgmapname != NULL)
642 touch(pgmapname);
643 if (pcmapname != NULL)
644 touch(pcmapname);
645 } else { /* else need to (re)run pkpmap */
646 strcpy(combuf, c_mkpmap);
647 for (cp = combuf; *cp; cp++)
648 ;
649 mkpmapopts(cp);
650 if (vdef(REPORT)) {
651 char errfile[256];
652 int n;
653 double minutes;
654 n = sscanf(vval(REPORT), "%lf %s", &minutes, errfile);
655 if (n == 2)
656 sprintf(cp, " -t %d -e %s", (int)(minutes*60), errfile);
657 else if (n == 1)
658 sprintf(cp, " -t %d", (int)(minutes*60));
659 else
660 badvalue(REPORT);
661 }
662 if (vdef(PGMAP)) {
663 cp = addarg(cp, "-apg");
664 addarg(cp, vval(PGMAP));
665 cp = sskip(sskip(cp)); /* remove any bandwidth */
666 *cp = '\0';
667 }
668 if (vdef(PCMAP)) {
669 cp = addarg(cp, "-apc");
670 addarg(cp, vval(PCMAP));
671 cp = sskip(sskip(cp)); /* remove any bandwidth */
672 *cp = '\0';
673 }
674 cp = addarg(cp, oct1name);
675 if (runcom(combuf)) {
676 fprintf(stderr, "%s: error running %s\n",
677 progname, c_mkpmap);
678 if (pgmapname != NULL)
679 unlink(pgmapname);
680 if (pcmapname != NULL)
681 unlink(pcmapname);
682 quit(1);
683 }
684 }
685 tnow = time((time_t *)NULL);
686 if (pgmapname != NULL)
687 pgmapdate = tnow;
688 if (pcmapname != NULL)
689 pcmapdate = tnow;
690 oct1date = tnow; /* trigger ambient file removal if needed */
691 }
692
693
694 static char *
695 addarg( /* append argument and advance pointer */
696 char *op,
697 char *arg
698 )
699 {
700 while (*op)
701 op++;
702 *op = ' ';
703 while ( (*++op = *arg++) )
704 ;
705 return(op);
706 }
707
708
709 static void
710 oconvopts( /* get oconv options */
711 char *oo
712 )
713 {
714 /* BEWARE: This may be called via setdefaults(), so no assumptions */
715
716 *oo = '\0';
717 if (!vdef(OCONV))
718 return;
719 if (vval(OCONV)[0] != '-') {
720 atos(c_oconv, sizeof(c_oconv), vval(OCONV));
721 oo = addarg(oo, sskip2(vval(OCONV), 1));
722 } else
723 oo = addarg(oo, vval(OCONV));
724 }
725
726
727 static void
728 mkillumopts( /* get mkillum options */
729 char *mo
730 )
731 {
732 /* BEWARE: This may be called via setdefaults(), so no assumptions */
733
734 if (nprocs > 1)
735 sprintf(mo, " -n %d", nprocs);
736 else
737 *mo = '\0';
738 if (!vdef(MKILLUM))
739 return;
740 if (vval(MKILLUM)[0] != '-') {
741 atos(c_mkillum, sizeof(c_mkillum), vval(MKILLUM));
742 mo = addarg(mo, sskip2(vval(MKILLUM), 1));
743 } else
744 mo = addarg(mo, vval(MKILLUM));
745 }
746
747
748 static void
749 mkpmapopts( /* get mkpmap options */
750 char *mo
751 )
752 {
753 /* BEWARE: This may be called via setdefaults(), so no assumptions */
754
755 *mo = '\0';
756 if (!vdef(MKPMAP))
757 return;
758 if (vval(MKPMAP)[0] != '-') {
759 atos(c_mkpmap, sizeof(c_mkpmap), vval(MKPMAP));
760 mo = addarg(mo, sskip2(vval(MKPMAP), 1));
761 } else
762 mo = addarg(mo, vval(MKPMAP));
763 }
764
765
766 static void
767 checkambfile(void) /* check date on ambient file */
768 {
769 time_t afdate;
770
771 if (!vdef(AMBFILE))
772 return;
773 if (!(afdate = fdate(vval(AMBFILE))))
774 return;
775 if (oct1date > afdate) {
776 if (touchonly)
777 touch(vval(AMBFILE));
778 else
779 rmfile(vval(AMBFILE));
780 }
781 }
782
783
784 static double
785 ambval(void) /* compute ambient value */
786 {
787 if (vdef(EXPOSURE)) {
788 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
789 return(.5/pow(2.,vflt(EXPOSURE)));
790 return(.5/vflt(EXPOSURE));
791 }
792 if (vlet(ZONE) == 'E')
793 return(10.);
794 if (vlet(ZONE) == 'I')
795 return(.01);
796 badvalue(ZONE);
797 return 0; /* pro forma return */
798 }
799
800
801 static void
802 renderopts( /* set rendering options */
803 char *op,
804 char *po
805 )
806 {
807 char pmapf[256], *bw;
808
809 switch(vscale(QUALITY)) {
810 case LOW:
811 lowqopts(op, po);
812 break;
813 case MEDIUM:
814 medqopts(op, po);
815 break;
816 case HIGH:
817 hiqopts(op, po);
818 break;
819 }
820 if (vdef(PGMAP)) {
821 bw = sskip2(vval(PGMAP), 2);
822 atos(pmapf, sizeof(pmapf), vval(PGMAP));
823 op = addarg(addarg(op, "-ap"), pmapf);
824 if (atoi(bw) > 0) op = addarg(op, bw);
825 }
826 if (vdef(PCMAP)) {
827 bw = sskip2(vval(PCMAP), 2);
828 atos(pmapf, sizeof(pmapf), vval(PCMAP));
829 op = addarg(addarg(op, "-ap"), pmapf);
830 if (atoi(bw) > 0) op = addarg(op, bw);
831 }
832 if (vdef(RENDER))
833 op = addarg(op, vval(RENDER));
834 if (rvdevice != NULL) {
835 if (vdef(RVU))
836 if (vval(RVU)[0] != '-') {
837 atos(c_rvu, sizeof(c_rvu), vval(RVU));
838 po = addarg(po, sskip2(vval(RVU), 1));
839 } else
840 po = addarg(po, vval(RVU));
841 } else {
842 if (vdef(RPICT))
843 if (vval(RPICT)[0] != '-') {
844 atos(c_rpict, sizeof(c_rpict), vval(RPICT));
845 po = addarg(po, sskip2(vval(RPICT), 1));
846 } else
847 po = addarg(po, vval(RPICT));
848 }
849 }
850
851
852 static void
853 lowqopts( /* low quality rendering options */
854 char *op,
855 char *po
856 )
857 {
858 double d, org[3], siz[3];
859
860 *op = '\0';
861 *po = '\0';
862 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
863 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
864 badvalue(ZONE);
865 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
866 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
867 badvalue(ZONE);
868 getoctcube(org, &d);
869 d *= 3./(siz[0]+siz[1]+siz[2]);
870 switch (vscale(DETAIL)) {
871 case LOW:
872 po = addarg(po, "-ps 16");
873 op = addarg(op, "-dp 64");
874 sprintf(op, " -ar %d", (int)(8*d));
875 op += strlen(op);
876 break;
877 case MEDIUM:
878 po = addarg(po, "-ps 8");
879 op = addarg(op, "-dp 128");
880 sprintf(op, " -ar %d", (int)(16*d));
881 op += strlen(op);
882 break;
883 case HIGH:
884 po = addarg(po, "-ps 4");
885 op = addarg(op, "-dp 256");
886 sprintf(op, " -ar %d", (int)(32*d));
887 op += strlen(op);
888 break;
889 }
890 po = addarg(po, "-pt .16");
891 if (vbool(PENUMBRAS))
892 op = addarg(op, "-ds .4");
893 else
894 op = addarg(op, "-ds 0");
895 op = addarg(op, "-dt .2 -dc .25 -dr 0 -ss 0 -st .5");
896 if (vdef(AMBFILE)) {
897 sprintf(op, " -af %s", vval(AMBFILE));
898 op += strlen(op);
899 } else
900 overture = 0;
901 switch (vscale(VARIABILITY)) {
902 case LOW:
903 op = addarg(op, "-aa .3 -ad 256");
904 break;
905 case MEDIUM:
906 op = addarg(op, "-aa .25 -ad 512");
907 break;
908 case HIGH:
909 op = addarg(op, "-aa .2 -ad 1024");
910 break;
911 }
912 op = addarg(op, "-as 0");
913 d = ambval();
914 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
915 op += strlen(op);
916 op = addarg(op, "-lr 6 -lw .003");
917 }
918
919
920 static void
921 medqopts( /* medium quality rendering options */
922 char *op,
923 char *po
924 )
925 {
926 double d, org[3], siz[3], asz;
927
928 *op = '\0';
929 *po = '\0';
930 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
931 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
932 badvalue(ZONE);
933 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
934 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
935 badvalue(ZONE);
936 getoctcube(org, &d);
937 asz = (siz[0]+siz[1]+siz[2])/3.;
938 d /= asz;
939 switch (vscale(DETAIL)) {
940 case LOW:
941 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
942 op = addarg(op, "-dp 256");
943 sprintf(op, " -ar %d", (int)(16*d));
944 op += strlen(op);
945 sprintf(op, " -ms %.2g", asz/20.);
946 op += strlen(op);
947 break;
948 case MEDIUM:
949 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
950 op = addarg(op, "-dp 512");
951 sprintf(op, " -ar %d", (int)(32*d));
952 op += strlen(op);
953 sprintf(op, " -ms %.2g", asz/40.);
954 op += strlen(op);
955 break;
956 case HIGH:
957 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
958 op = addarg(op, "-dp 1024");
959 sprintf(op, " -ar %d", (int)(64*d));
960 op += strlen(op);
961 sprintf(op, " -ms %.2g", asz/80.);
962 op += strlen(op);
963 break;
964 }
965 po = addarg(po, "-pt .08");
966 if (vbool(PENUMBRAS))
967 op = addarg(op, "-ds .2 -dj .9");
968 else
969 op = addarg(op, "-ds .3");
970 op = addarg(op, "-dt .1 -dc .5 -dr 1 -ss 1 -st .1");
971 if ( (overture = vint(INDIRECT)) ) {
972 sprintf(op, " -ab %d", overture);
973 op += strlen(op);
974 }
975 if (vdef(AMBFILE)) {
976 sprintf(op, " -af %s", vval(AMBFILE));
977 op += strlen(op);
978 } else
979 overture = 0;
980 switch (vscale(VARIABILITY)) {
981 case LOW:
982 op = addarg(op, "-aa .2 -ad 329 -as 42");
983 break;
984 case MEDIUM:
985 op = addarg(op, "-aa .15 -ad 800 -as 128");
986 break;
987 case HIGH:
988 op = addarg(op, "-aa .1 -ad 1536 -as 392");
989 break;
990 }
991 d = ambval();
992 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
993 op += strlen(op);
994 op = addarg(op, "-lr 8 -lw 1e-4");
995 }
996
997
998 static void
999 hiqopts( /* high quality rendering options */
1000 char *op,
1001 char *po
1002 )
1003 {
1004 double d, org[3], siz[3], asz;
1005
1006 *op = '\0';
1007 *po = '\0';
1008 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
1009 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
1010 badvalue(ZONE);
1011 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
1012 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
1013 badvalue(ZONE);
1014 getoctcube(org, &d);
1015 asz = (siz[0]+siz[1]+siz[2])/3.;
1016 d /= asz;
1017 switch (vscale(DETAIL)) {
1018 case LOW:
1019 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
1020 op = addarg(op, "-dp 1024");
1021 sprintf(op, " -ar %d", (int)(32*d));
1022 op += strlen(op);
1023 sprintf(op, " -ms %.2g", asz/40.);
1024 op += strlen(op);
1025 break;
1026 case MEDIUM:
1027 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
1028 op = addarg(op, "-dp 2048");
1029 sprintf(op, " -ar %d", (int)(64*d));
1030 op += strlen(op);
1031 sprintf(op, " -ms %.2g", asz/80.);
1032 op += strlen(op);
1033 break;
1034 case HIGH:
1035 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
1036 op = addarg(op, "-dp 4096");
1037 sprintf(op, " -ar %d", (int)(128*d));
1038 op += strlen(op);
1039 sprintf(op, " -ms %.2g", asz/160.);
1040 op += strlen(op);
1041 break;
1042 }
1043 po = addarg(po, "-pt .04");
1044 if (vbool(PENUMBRAS))
1045 op = addarg(op, "-ds .1 -dj .9");
1046 else
1047 op = addarg(op, "-ds .2");
1048 op = addarg(op, "-dt .05 -dc .75 -dr 3 -ss 16 -st .01");
1049 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
1050 op += strlen(op);
1051 if (vdef(AMBFILE)) {
1052 sprintf(op, " -af %s", vval(AMBFILE));
1053 op += strlen(op);
1054 } else
1055 overture = 0;
1056 switch (vscale(VARIABILITY)) {
1057 case LOW:
1058 op = addarg(op, "-aa .125 -ad 512 -as 64");
1059 break;
1060 case MEDIUM:
1061 op = addarg(op, "-aa .1 -ad 1536 -as 768");
1062 break;
1063 case HIGH:
1064 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
1065 break;
1066 }
1067 d = ambval();
1068 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1069 op += strlen(op);
1070 op = addarg(op, "-lr 12 -lw 1e-5");
1071 }
1072
1073
1074 #ifdef _WIN32
1075 static void
1076 setenv( /* set an environment variable */
1077 char *vname,
1078 char *value
1079 )
1080 {
1081 char *evp;
1082
1083 evp = bmalloc(strlen(vname)+strlen(value)+2);
1084 if (evp == NULL)
1085 syserr(progname);
1086 sprintf(evp, "%s=%s", vname, value);
1087 if (putenv(evp) != 0) {
1088 fprintf(stderr, "%s: out of environment space\n", progname);
1089 quit(1);
1090 }
1091 if (!silent)
1092 printf("set %s\n", evp);
1093 }
1094 #endif
1095
1096
1097 static void
1098 xferopts( /* transfer options if indicated */
1099 char *ro
1100 )
1101 {
1102 int fd, n;
1103 char *cp;
1104
1105 n = strlen(ro);
1106 if (n < 2)
1107 return;
1108 if (vdef(OPTFILE)) {
1109 for (cp = ro; cp[1]; cp++)
1110 if (isspace(cp[1]) && (cp[2] == '@' ||
1111 (cp[2] == '-' && isalpha(cp[3]))))
1112 *cp = '\n';
1113 else
1114 *cp = cp[1];
1115 *cp = '\n';
1116 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1117 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1118 syserr(vval(OPTFILE));
1119 sprintf(ro, " @%s", vval(OPTFILE));
1120 }
1121 #ifdef _WIN32
1122 else if (n > 50) {
1123 setenv("ROPT", ro+1);
1124 strcpy(ro, " $ROPT");
1125 }
1126 #endif
1127 }
1128
1129
1130 static void
1131 pfiltopts( /* get pfilt options */
1132 char *po
1133 )
1134 {
1135 *po = '\0';
1136 if (vdef(EXPOSURE)) {
1137 po = addarg(po, "-1 -e");
1138 po = addarg(po, vval(EXPOSURE));
1139 }
1140 switch (vscale(QUALITY)) {
1141 case MEDIUM:
1142 po = addarg(po, "-r .6");
1143 break;
1144 case HIGH:
1145 po = addarg(po, "-m .25");
1146 break;
1147 }
1148 if (vdef(PFILT))
1149 if (vval(PFILT)[0] != '-') {
1150 atos(c_pfilt, sizeof(c_pfilt), vval(PFILT));
1151 po = addarg(po, sskip2(vval(PFILT), 1));
1152 } else
1153 po = addarg(po, vval(PFILT));
1154 }
1155
1156
1157 static int
1158 matchword( /* match white-delimited words */
1159 char *s1,
1160 char *s2
1161 )
1162 {
1163 while (isspace(*s1)) s1++;
1164 while (isspace(*s2)) s2++;
1165 while (*s1 && !isspace(*s1))
1166 if (*s1++ != *s2++)
1167 return(0);
1168 return(!*s2 || isspace(*s2));
1169 }
1170
1171
1172 static char *
1173 specview( /* get proper view spec from vs */
1174 char *vs
1175 )
1176 {
1177 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1178 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1179 static char viewopts[128];
1180 char *cp;
1181 int xpos, ypos, zpos, viewtype, upax;
1182 int i;
1183 double cent[3], dim[3], mult, d;
1184
1185 if (vs == NULL || *vs == '-')
1186 return(vs);
1187 upax = 0; /* get the up vector */
1188 if (vdef(UP)) {
1189 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1190 upax = 1-'X'+UPPER(vval(UP)[1]);
1191 else
1192 upax = 1-'X'+vlet(UP);
1193 if ((upax < 1) | (upax > 3))
1194 badvalue(UP);
1195 if (vval(UP)[0] == '-')
1196 upax = -upax;
1197 }
1198 /* check standard view names */
1199 xpos = ypos = zpos = 0;
1200 if (*vs == 'X') {
1201 xpos = 1; vs++;
1202 } else if (*vs == 'x') {
1203 xpos = -1; vs++;
1204 }
1205 if (*vs == 'Y') {
1206 ypos = 1; vs++;
1207 } else if (*vs == 'y') {
1208 ypos = -1; vs++;
1209 }
1210 if (*vs == 'Z') {
1211 zpos = 1; vs++;
1212 } else if (*vs == 'z') {
1213 zpos = -1; vs++;
1214 }
1215 switch (*vs) {
1216 case VT_PER:
1217 case VT_PAR:
1218 case VT_ANG:
1219 case VT_HEM:
1220 case VT_PLS:
1221 case VT_CYL:
1222 viewtype = *vs++;
1223 break;
1224 default:
1225 viewtype = VT_PER;
1226 break;
1227 }
1228 cp = viewopts;
1229 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1230 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1231 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1232 &cent[0], &dim[0], &cent[1], &dim[1],
1233 &cent[2], &dim[2]) != 6)
1234 badvalue(ZONE);
1235 for (i = 0; i < 3; i++) {
1236 dim[i] -= cent[i];
1237 if (dim[i] <= FTINY)
1238 badvalue(ZONE);
1239 cent[i] += .5*dim[i];
1240 }
1241 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1242 sprintf(cp, " -vp %.3g %.3g %.3g -vd %.3g %.3g %.3g",
1243 cent[0]+xpos*mult*dim[0],
1244 cent[1]+ypos*mult*dim[1],
1245 cent[2]+zpos*mult*dim[2],
1246 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1247 cp += strlen(cp);
1248 /* redirect up axis if necessary */
1249 switch (upax) {
1250 case 3: /* plus or minus Z axis */
1251 case -3:
1252 case 0:
1253 if (!(xpos|ypos))
1254 upax = 2;
1255 break;
1256 case 2: /* plus or minus Y axis */
1257 case -2:
1258 if (!(xpos|zpos))
1259 upax = 1;
1260 break;
1261 case 1: /* plus or minus X axis */
1262 case -1:
1263 if (!(ypos|zpos))
1264 upax = 3;
1265 break;
1266 }
1267 cp = addarg(cp, vup[upax+3]);
1268 switch (viewtype) {
1269 case VT_PER:
1270 cp = addarg(cp, "-vh 45 -vv 45");
1271 break;
1272 case VT_PAR:
1273 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1274 sprintf(cp, " -vh %.3g -vv %.3g", d, d);
1275 cp += strlen(cp);
1276 break;
1277 case VT_ANG:
1278 case VT_HEM:
1279 case VT_PLS:
1280 cp = addarg(cp, "-vh 180 -vv 180");
1281 break;
1282 case VT_CYL:
1283 cp = addarg(cp, "-vh 180 -vv 90");
1284 break;
1285 }
1286 } else {
1287 while (!isspace(*vs)) /* else skip id */
1288 if (!*vs++)
1289 return(NULL);
1290 if (upax) { /* prepend up vector */
1291 strcpy(cp, vup[upax+3]);
1292 cp += strlen(cp);
1293 }
1294 }
1295 if (cp == viewopts) /* append any additional options */
1296 vs++; /* skip prefixed space if unneeded */
1297 strcpy(cp, vs);
1298 #ifdef _WIN32
1299 if (strlen(viewopts) > 40) {
1300 setenv("VIEW", viewopts);
1301 return("$VIEW");
1302 }
1303 #endif
1304 return(viewopts);
1305 }
1306
1307
1308 static char *
1309 getview( /* get view n, or NULL if none */
1310 int n,
1311 char *vn /* returned view name */
1312 )
1313 {
1314 char *mv;
1315
1316 if (viewselect != NULL) { /* command-line selected */
1317 if (n) /* only do one */
1318 return(NULL);
1319
1320 if (isint(viewselect)) { /* view number? */
1321 n = atoi(viewselect)-1;
1322 goto numview;
1323 }
1324 if (viewselect[0] == '-') { /* already specified */
1325 if (vn != NULL)
1326 strcpy(vn, "0");
1327 return(viewselect);
1328 }
1329 if (vn != NULL) {
1330 for (mv = viewselect; *mv && !isspace(*mv);
1331 *vn++ = *mv++)
1332 ;
1333 *vn = '\0';
1334 }
1335 /* check list */
1336 while ((mv = nvalue(VIEWS, n++)) != NULL)
1337 if (matchword(viewselect, mv))
1338 return(specview(mv));
1339
1340 return(specview(viewselect)); /* standard view? */
1341 }
1342 numview:
1343 mv = nvalue(VIEWS, n); /* use view n */
1344 if ((vn != NULL) & (mv != NULL))
1345 if (*mv != '-') {
1346 char *mv2 = mv;
1347 while (*mv2 && !isspace(*mv2))
1348 *vn++ = *mv2++;
1349 *vn = '\0';
1350 } else
1351 sprintf(vn, "%d", n+1);
1352
1353 return(specview(mv));
1354 }
1355
1356
1357 static int
1358 myprintview( /* print out selected view */
1359 char *vopts,
1360 FILE *fp
1361 )
1362 {
1363 VIEW vwr;
1364 char buf[128];
1365 char *cp;
1366 #ifdef _WIN32
1367 /* XXX Should we allow something like this for all platforms? */
1368 /* XXX Or is it still required at all? */
1369 again:
1370 #endif
1371 if (vopts == NULL)
1372 return(-1);
1373 #ifdef _WIN32
1374 if (vopts[0] == '$') {
1375 vopts = getenv(vopts+1);
1376 goto again;
1377 }
1378 #endif
1379 vwr = stdview;
1380 sscanview(&vwr, cp=vopts); /* set initial options */
1381 while ((cp = strstr(cp, "-vf ")) != NULL &&
1382 *atos(buf, sizeof(buf), cp += 4)) {
1383 viewfile(buf, &vwr, NULL); /* load -vf file */
1384 sscanview(&vwr, cp); /* reset tail */
1385 }
1386 fputs(VIEWSTR, fp);
1387 fprintview(&vwr, fp); /* print full spec. */
1388 fputc('\n', fp);
1389 return(0);
1390 }
1391
1392
1393 static void
1394 rvu( /* run rvu with first view */
1395 char *opts,
1396 char *po
1397 )
1398 {
1399 char *vw;
1400 char combuf[PATH_MAX];
1401 /* build command */
1402 if (touchonly || (vw = getview(0, NULL)) == NULL)
1403 return;
1404 if (sayview)
1405 myprintview(vw, stdout);
1406 sprintf(combuf, "%s %s%s%s -R %s ", c_rvu, vw, opts, po, rifname);
1407 if (nprocs > 1)
1408 sprintf(combuf+strlen(combuf), "-n %d ", nprocs);
1409 if (rvdevice != NULL)
1410 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1411 if (vdef(EXPOSURE))
1412 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1413 strcat(combuf, oct1name);
1414 if (runcom(combuf)) { /* run it */
1415 fprintf(stderr, "%s: error running %s\n", progname, c_rvu);
1416 quit(1);
1417 }
1418 }
1419
1420
1421 static int
1422 syncf_done( /* check if an rpiece sync file is complete */
1423 char *sfname
1424 )
1425 {
1426 FILE *fp = fopen(sfname, "r");
1427 int todo = 1;
1428 int x, y;
1429
1430 if (fp == NULL)
1431 return(0);
1432 if (fscanf(fp, "%d %d", &x, &y) != 2)
1433 goto checked;
1434 todo = x*y; /* total number of tiles */
1435 if (fscanf(fp, "%d %d", &x, &y) != 2 || (x != 0) | (y != 0))
1436 goto checked;
1437 /* XXX assume no redundant tiles */
1438 while (fscanf(fp, "%d %d", &x, &y) == 2)
1439 if (!--todo)
1440 break;
1441 checked:
1442 fclose(fp);
1443 return(!todo);
1444 }
1445
1446
1447 static void
1448 rpict( /* run rpict and pfilt for each view */
1449 char *opts,
1450 char *po
1451 )
1452 {
1453 #define do_rpiece (sfile[0]!='\0')
1454 char combuf[5*PATH_MAX+512];
1455 char rawfile[PATH_MAX], picfile[PATH_MAX];
1456 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1457 char rppopt[32], sfile[PATH_MAX], *pfile = NULL;
1458 char pfopts[128];
1459 char vs[32], *vw;
1460 int vn, mult;
1461 FILE *fp;
1462 time_t rfdt, pfdt;
1463 int xres, yres;
1464 double aspect;
1465 int n;
1466 /* get pfilt options */
1467 pfiltopts(pfopts);
1468 /* get resolution, reporting */
1469 switch (vscale(QUALITY)) {
1470 case LOW:
1471 mult = 1;
1472 break;
1473 case MEDIUM:
1474 mult = 2;
1475 break;
1476 case HIGH:
1477 mult = 3;
1478 break;
1479 }
1480 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1481 if (n == 3)
1482 sprintf(res, "-x %d -y %d -pa %.3f",
1483 mult*xres, mult*yres, aspect);
1484 else if (n) {
1485 aspect = 1.;
1486 if (n == 1) yres = xres;
1487 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1488 } else
1489 badvalue(RESOLUTION);
1490 rep[0] = '\0';
1491 if (vdef(REPORT)) {
1492 double minutes;
1493 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1494 if (n == 2)
1495 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1496 else if (n == 1)
1497 sprintf(rep, " -t %d", (int)(minutes*60));
1498 else
1499 badvalue(REPORT);
1500 }
1501 /* set up parallel rendering */
1502 sfile[0] = '\0';
1503 if ((nprocs > 1) & !touchonly & !vdef(ZFILE) &&
1504 getview(0, vs) != NULL) {
1505 if (!strcmp(c_rpict, DEF_RPICT_PATH) &&
1506 getview(1, NULL) == NULL) {
1507 sprintf(sfile, "%s_%s_rpsync.txt",
1508 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE),
1509 vs);
1510 strcpy(rppopt, "-PP pfXXXXXX");
1511 } else {
1512 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1513 }
1514 pfile = rppopt + strlen(rppopt) - 8;
1515 if (mktemp(pfile) == NULL) {
1516 if (do_rpiece) {
1517 fprintf(stderr, "%s: cannot create\n", pfile);
1518 quit(1);
1519 }
1520 pfile = NULL;
1521 }
1522 }
1523 vn = 0; /* do each view */
1524 while ((vw = getview(vn++, vs)) != NULL) {
1525 if (sayview)
1526 myprintview(vw, stdout);
1527 sprintf(picfile, "%s_%s.hdr", vval(PICTURE), vs);
1528 if (vdef(ZFILE))
1529 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1530 else
1531 zopt[0] = '\0';
1532 /* check date on picture */
1533 pfdt = fdate(picfile);
1534 if (pfdt >= oct1date)
1535 continue;
1536 /* get raw file name */
1537 sprintf(rawfile, "%s_%s.unf",
1538 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1539 rfdt = fdate(rawfile);
1540 if (touchonly) { /* update times only */
1541 if (rfdt) {
1542 if (rfdt < oct1date)
1543 touch(rawfile);
1544 } else if (pfdt && pfdt < oct1date)
1545 touch(picfile);
1546 continue;
1547 }
1548 /* parallel running? */
1549 if (do_rpiece) {
1550 if (rfdt < oct1date || !fdate(sfile)) {
1551 int xdiv = 8+nprocs/3, ydiv = 8+nprocs/3;
1552 if (rfdt >= oct1date) {
1553 fprintf(stderr,
1554 "%s: partial output not created with %s\n", rawfile, c_rpiece);
1555 quit(1);
1556 }
1557 if (rfdt) { /* start fresh */
1558 rmfile(rawfile);
1559 rfdt = 0;
1560 }
1561 if (!silent)
1562 printf("\techo %d %d > %s\n",
1563 xdiv, ydiv, sfile);
1564 if ((fp = fopen(sfile, "w")) == NULL) {
1565 fprintf(stderr, "%s: cannot create\n",
1566 sfile);
1567 quit(1);
1568 }
1569 fprintf(fp, "%d %d\n", xdiv, ydiv);
1570 fclose(fp);
1571 }
1572 } else if (next_process(0)) {
1573 if (pfile != NULL)
1574 sleep(10);
1575 continue;
1576 } else if (!inchild())
1577 pfile = NULL;
1578 /* XXX Remember to call finish_process() */
1579 /* build rpict command */
1580 if (rfdt >= oct1date) { /* already in progress */
1581 if (do_rpiece) {
1582 sprintf(combuf, "%s -R %s %s%s %s %s%s%s -o %s %s",
1583 c_rpiece, sfile, rppopt, rep, vw,
1584 res, opts, po, rawfile, oct1name);
1585 while (next_process(1)) {
1586 sleep(10);
1587 combuf[strlen(c_rpiece)+2] = 'F';
1588 }
1589 } else
1590 sprintf(combuf, "%s%s%s%s%s -ro %s %s", c_rpict,
1591 rep, opts, po, zopt, rawfile, oct1name);
1592 if (runcom(combuf)) /* run rpict/rpiece */
1593 goto rperror;
1594 } else {
1595 if (overture) { /* run overture calculation */
1596 sprintf(combuf,
1597 "%s%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1598 c_rpict, rep, vw, opts,
1599 oct1name, overfile);
1600 if (!do_rpiece || !next_process(0)) {
1601 if (runcom(combuf)) {
1602 fprintf(stderr,
1603 "%s: error in overture for view %s\n",
1604 progname, vs);
1605 quit(1);
1606 }
1607 #ifndef NULL_DEVICE
1608 rmfile(overfile);
1609 #endif
1610 } else if (do_rpiece)
1611 sleep(20);
1612 }
1613 if (do_rpiece) {
1614 sprintf(combuf, "%s -F %s %s%s %s %s%s%s -o %s %s",
1615 c_rpiece, sfile, rppopt, rep, vw,
1616 res, opts, po, rawfile, oct1name);
1617 while (next_process(1))
1618 sleep(10);
1619 } else {
1620 sprintf(combuf, "%s%s %s %s%s%s%s %s > %s",
1621 c_rpict, rep, vw, res, opts, po,
1622 zopt, oct1name, rawfile);
1623 }
1624 if ((pfile != NULL) & !do_rpiece) {
1625 if (!silent)
1626 printf("\t%s\n", combuf);
1627 fflush(stdout);
1628 sprintf(combuf, "%s%s %s %s%s%s %s > %s",
1629 c_rpict, rep, rppopt, res,
1630 opts, po, oct1name, rawfile);
1631 fp = popen(combuf, "w");
1632 if (fp == NULL)
1633 goto rperror;
1634 myprintview(vw, fp);
1635 if (pclose(fp))
1636 goto rperror;
1637 } else if (runcom(combuf))
1638 goto rperror;
1639 }
1640 if (do_rpiece) { /* need to finish raw, first */
1641 finish_process();
1642 wait_process(1);
1643 if (!syncf_done(sfile)) {
1644 fprintf(stderr,
1645 "%s: %s did not complete rendering of view %s\n",
1646 progname, c_rpiece, vs);
1647 quit(1);
1648 }
1649 }
1650 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1651 /* build pfilt command */
1652 if (do_rpiece)
1653 sprintf(combuf,
1654 "%s%s -x %d -y %d -p %.3f %s > %s",
1655 c_pfilt, pfopts, xres, yres, aspect,
1656 rawfile, picfile);
1657 else if (mult > 1)
1658 sprintf(combuf, "%s%s -x /%d -y /%d %s > %s",
1659 c_pfilt, pfopts, mult, mult,
1660 rawfile, picfile);
1661 else
1662 sprintf(combuf, "%s%s %s > %s", c_pfilt,
1663 pfopts, rawfile, picfile);
1664 if (runcom(combuf)) { /* run pfilt */
1665 fprintf(stderr,
1666 "%s: error filtering view %s\n\t%s removed\n",
1667 progname, vs, picfile);
1668 unlink(picfile);
1669 quit(1);
1670 }
1671 }
1672 /* remove/rename raw file */
1673 if (vdef(RAWFILE)) {
1674 sprintf(combuf, "%s_%s.hdr", vval(RAWFILE), vs);
1675 mvfile(rawfile, combuf);
1676 } else
1677 rmfile(rawfile);
1678 if (do_rpiece) /* done with sync file */
1679 rmfile(sfile);
1680 else
1681 finish_process(); /* exit if child */
1682 }
1683 wait_process(1); /* wait for children to finish */
1684 if (pfile != NULL) { /* clean up persistent rpict */
1685 RT_PID pid;
1686 fp = fopen(pfile, "r");
1687 if (fp != NULL) {
1688 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1689 kill(pid, 1) < 0)
1690 unlink(pfile);
1691 fclose(fp);
1692 }
1693 }
1694 return;
1695 rperror:
1696 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1697 quit(1);
1698 #undef do_rpiece
1699 }
1700
1701
1702 static int
1703 touch( /* update a file */
1704 char *fn
1705 )
1706 {
1707 if (!silent)
1708 printf("\ttouch %s\n", fn);
1709 if (!nprocs)
1710 return(0);
1711 return(setfdate(fn, time((time_t *)NULL)));
1712 }
1713
1714
1715 static int
1716 runcom( /* run command */
1717 char *cs
1718 )
1719 {
1720 if (!silent) /* echo it */
1721 printf("\t%s\n", cs);
1722 if (!nprocs)
1723 return(0);
1724 fflush(NULL); /* flush output and pass to shell */
1725 return(system(cs));
1726 }
1727
1728
1729 static int
1730 rmfile( /* remove a file */
1731 char *fn
1732 )
1733 {
1734 if (!silent)
1735 printf("\t%s %s\n", DELCMD, fn);
1736 if (!nprocs)
1737 return(0);
1738 return(unlink(fn));
1739 }
1740
1741
1742 static int
1743 mvfile( /* move a file */
1744 char *fold,
1745 char *fnew
1746 )
1747 {
1748 if (!silent)
1749 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1750 if (!nprocs)
1751 return(0);
1752 return(rename(fold, fnew));
1753 }
1754
1755
1756 #ifdef RHAS_FORK_EXEC
1757 static int
1758 next_process(int reserve) /* fork the next process */
1759 {
1760 RT_PID child_pid;
1761
1762 if (nprocs <= 1)
1763 return(0); /* it's us or no one */
1764 if (inchild()) {
1765 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1766 progname);
1767 quit(1);
1768 }
1769 if (reserve > 0 && children_running >= nprocs-reserve)
1770 return(0); /* caller holding back process(es) */
1771 if (children_running >= nprocs)
1772 wait_process(0); /* wait for someone to finish */
1773 fflush(NULL); /* flush output */
1774 child_pid = fork(); /* split process */
1775 if (child_pid == 0) { /* we're the child */
1776 children_running = -1;
1777 nprocs = 1;
1778 return(0);
1779 }
1780 if (child_pid > 0) { /* we're the parent */
1781 ++children_running;
1782 return(1);
1783 }
1784 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1785 return(0);
1786 }
1787
1788 static void
1789 wait_process( /* wait for process(es) to finish */
1790 int all
1791 )
1792 {
1793 int ourstatus = 0, status;
1794 RT_PID pid;
1795
1796 if (all)
1797 all = children_running;
1798 else if (children_running > 0)
1799 all = 1;
1800 while (all-- > 0) {
1801 pid = wait(&status);
1802 if (pid < 0)
1803 syserr(progname);
1804 status = status>>8 & 0xff;
1805 --children_running;
1806 if (status != 0) { /* child's problem is our problem */
1807 if ((ourstatus == 0) & (children_running > 0))
1808 fprintf(stderr, "%s: waiting for remaining processes\n",
1809 progname);
1810 ourstatus = status;
1811 all = children_running;
1812 }
1813 }
1814 if (ourstatus != 0)
1815 quit(ourstatus); /* bad status from child */
1816 }
1817 #else /* ! RHAS_FORK_EXEC */
1818 static int
1819 next_process(int reserve)
1820 {
1821 return(0); /* cannot start new process */
1822 }
1823 static void
1824 wait_process(all)
1825 int all;
1826 {
1827 (void)all; /* no one to wait for */
1828 }
1829 int
1830 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1831 RT_PID pid;
1832 int sig;
1833 {
1834 return 0;
1835 }
1836 #endif /* ! RHAS_FORK_EXEC */
1837
1838 static void
1839 finish_process(void) /* exit a child process */
1840 {
1841 if (!inchild())
1842 return; /* in parent -- noop */
1843 exit(0);
1844 }
1845
1846
1847 static void
1848 badvalue( /* report bad variable value and exit */
1849 int vc
1850 )
1851 {
1852 fprintf(stderr, "%s: bad value for variable '%s'\n",
1853 progname, vnam(vc));
1854 quit(1);
1855 }
1856
1857
1858 static void
1859 syserr( /* report a system error and exit */
1860 char *s
1861 )
1862 {
1863 perror(s);
1864 quit(1);
1865 }
1866
1867
1868 void
1869 quit(ec) /* exit program */
1870 int ec;
1871 {
1872 exit(ec);
1873 }