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root/radiance/ray/src/util/rad.c
Revision: 2.118
Committed: Wed May 27 14:32:35 2015 UTC (8 years, 10 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.117: +3 -5 lines
Log Message:
Changed to using mkpmap -fo+ option (duh!)

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.117 2015/05/27 14:26:04 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 }
405 matdate = checklast(vval(MATERIAL));
406 }
407
408
409 static void
410 getoctcube( /* get octree bounding cube */
411 double org[3],
412 double *sizp
413 )
414 {
415 static double oorg[3], osiz = 0.;
416 double min[3], max[3];
417 char buf[1024];
418 FILE *fp;
419 int i;
420
421 if (osiz <= FTINY) {
422 if (!nprocs && fdate(oct1name) <
423 (scenedate>illumdate?scenedate:illumdate)) {
424 /* run getbbox */
425 sprintf(buf, "getbbox -w -h %s",
426 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
427 if ((fp = popen(buf, "r")) == NULL)
428 syserr("getbbox");
429 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
430 &min[0], &max[0], &min[1], &max[1],
431 &min[2], &max[2]) != 6) {
432 fprintf(stderr,
433 "%s: error reading bounding box from getbbox\n",
434 progname);
435 quit(1);
436 }
437 for (i = 0; i < 3; i++)
438 if (max[i] - min[i] > osiz)
439 osiz = max[i] - min[i];
440 for (i = 0; i < 3; i++)
441 oorg[i] = (max[i]+min[i]-osiz)*.5;
442 pclose(fp);
443 } else { /* from octree */
444 oconv(); /* does nothing if done already */
445 sprintf(buf, "getinfo -d < %s", oct1name);
446 if ((fp = popen(buf, "r")) == NULL)
447 syserr("getinfo");
448 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
449 &oorg[2], &osiz) != 4) {
450 fprintf(stderr,
451 "%s: error reading bounding cube from getinfo\n",
452 progname);
453 quit(1);
454 }
455 pclose(fp);
456 }
457 }
458 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
459 }
460
461
462 static void
463 setdefaults(void) /* set default values for unassigned var's */
464 {
465 double org[3], lim[3], size;
466 char buf[128];
467
468 if (!vdef(ZONE)) {
469 getoctcube(org, &size);
470 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
471 org[1], org[1]+size, org[2], org[2]+size);
472 vval(ZONE) = savqstr(buf);
473 vdef(ZONE)++;
474 }
475 if (!vdef(EYESEP)) {
476 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
477 &org[0], &lim[0], &org[1], &lim[1],
478 &org[2], &lim[2]) != 6)
479 badvalue(ZONE);
480 sprintf(buf, "%f",
481 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
482 vval(EYESEP) = savqstr(buf);
483 vdef(EYESEP)++;
484 }
485 if (!vdef(INDIRECT)) {
486 vval(INDIRECT) = "0";
487 vdef(INDIRECT)++;
488 }
489 if (!vdef(QUALITY)) {
490 vval(QUALITY) = "L";
491 vdef(QUALITY)++;
492 }
493 if (!vdef(RESOLUTION)) {
494 vval(RESOLUTION) = "512";
495 vdef(RESOLUTION)++;
496 }
497 if (!vdef(PICTURE)) {
498 vval(PICTURE) = radname;
499 vdef(PICTURE)++;
500 }
501 if (!vdef(VIEWS)) {
502 vval(VIEWS) = "X";
503 vdef(VIEWS)++;
504 }
505 if (!vdef(DETAIL)) {
506 vval(DETAIL) = "M";
507 vdef(DETAIL)++;
508 }
509 if (!vdef(PENUMBRAS)) {
510 vval(PENUMBRAS) = "F";
511 vdef(PENUMBRAS)++;
512 }
513 if (!vdef(VARIABILITY)) {
514 vval(VARIABILITY) = "L";
515 vdef(VARIABILITY)++;
516 }
517 }
518
519
520 static void
521 oconv(void) /* run oconv and mkillum if necessary */
522 {
523 static char illumtmp[] = "ilXXXXXX";
524 char combuf[PATH_MAX], ocopts[64], mkopts[1024];
525
526 oconvopts(ocopts); /* get options */
527 if (octreedate < scenedate) { /* check date on original octree */
528 if (touchonly && octreedate)
529 touch(vval(OCTREE));
530 else { /* build command */
531 if (vdef(MATERIAL))
532 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
533 ocopts, vval(MATERIAL),
534 vval(SCENE), vval(OCTREE));
535 else
536 sprintf(combuf, "%s%s %s > %s", c_oconv, ocopts,
537 vval(SCENE), vval(OCTREE));
538
539 if (runcom(combuf)) { /* run it */
540 fprintf(stderr,
541 "%s: error generating octree\n\t%s removed\n",
542 progname, vval(OCTREE));
543 unlink(vval(OCTREE));
544 quit(1);
545 }
546 }
547 octreedate = time((time_t *)NULL);
548 if (octreedate < scenedate) /* in case clock is off */
549 octreedate = scenedate;
550 }
551 if (oct1name == vval(OCTREE)) /* no mkillum? */
552 oct1date = octreedate > matdate ? octreedate : matdate;
553 if ((oct1date >= octreedate) & (oct1date >= matdate)
554 & (oct1date >= illumdate)) /* all done */
555 return;
556 /* make octree0 */
557 if ((oct0date < scenedate) | (oct0date < illumdate)) {
558 if (touchonly && oct0date)
559 touch(oct0name);
560 else { /* build command */
561 if (octreedate)
562 sprintf(combuf, "%s%s -i %s %s > %s", c_oconv,
563 ocopts, vval(OCTREE),
564 vval(ILLUM), oct0name);
565 else if (vdef(MATERIAL))
566 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
567 ocopts, vval(MATERIAL),
568 vval(ILLUM), oct0name);
569 else
570 sprintf(combuf, "%s%s %s > %s", c_oconv,
571 ocopts, vval(ILLUM), oct0name);
572 if (runcom(combuf)) { /* run it */
573 fprintf(stderr,
574 "%s: error generating octree\n\t%s removed\n",
575 progname, oct0name);
576 unlink(oct0name);
577 quit(1);
578 }
579 }
580 oct0date = time((time_t *)NULL);
581 if (oct0date < octreedate) /* in case clock is off */
582 oct0date = octreedate;
583 if (oct0date < illumdate) /* ditto */
584 oct0date = illumdate;
585 }
586 if (touchonly && oct1date)
587 touch(oct1name);
588 else {
589 mkillumopts(mkopts); /* build mkillum command */
590 mktemp(illumtmp);
591 sprintf(combuf, "%s%s %s \"<\" %s > %s", c_mkillum, mkopts,
592 oct0name, vval(ILLUM), illumtmp);
593 if (runcom(combuf)) { /* run it */
594 fprintf(stderr, "%s: error running %s\n",
595 progname, c_mkillum);
596 unlink(illumtmp);
597 quit(1);
598 }
599 rmfile(oct0name);
600 /* make octree1 (frozen) */
601 if (octreedate)
602 sprintf(combuf, "%s%s -f -i %s %s > %s", c_oconv,
603 ocopts, vval(OCTREE), illumtmp, oct1name);
604 else if (vdef(MATERIAL))
605 sprintf(combuf, "%s%s -f %s %s > %s", c_oconv,
606 ocopts, vval(MATERIAL), illumtmp, oct1name);
607 else
608 sprintf(combuf, "%s%s -f %s > %s", c_oconv, ocopts,
609 illumtmp, oct1name);
610 if (runcom(combuf)) { /* run it */
611 fprintf(stderr,
612 "%s: error generating octree\n\t%s removed\n",
613 progname, oct1name);
614 unlink(oct1name);
615 unlink(illumtmp);
616 quit(1);
617 }
618 rmfile(illumtmp);
619 }
620 oct1date = time((time_t *)NULL);
621 if (oct1date < oct0date) /* in case clock is off */
622 oct1date = oct0date;
623 }
624
625
626 static void
627 mkpmap(void) /* run mkpmap if indicated */
628 {
629 char combuf[2048], *cp;
630 time_t tnow;
631 /* nothing to do? */
632 if ((pgmapname == NULL) | (pgmapdate >= oct1date) &&
633 (pcmapname == NULL) | (pcmapdate >= oct1date))
634 return;
635 /* just update existing file dates? */
636 if (touchonly && (pgmapname == NULL) | (pgmapdate > 0) &&
637 (pcmapname == NULL) | (pcmapdate > 0)) {
638 if (pgmapname != NULL)
639 touch(pgmapname);
640 if (pcmapname != NULL)
641 touch(pcmapname);
642 } else { /* else need to (re)run pkpmap */
643 strcpy(combuf, c_mkpmap);
644 for (cp = combuf; *cp; cp++)
645 ;
646 mkpmapopts(cp);
647 /* force file overwrite */
648 cp = addarg(cp, "-fo+");
649 if (vdef(REPORT)) {
650 char errfile[256];
651 int n;
652 double minutes;
653 n = sscanf(vval(REPORT), "%lf %s", &minutes, errfile);
654 if (n == 2)
655 sprintf(cp, " -t %d -e %s", (int)(minutes*60), errfile);
656 else if (n == 1)
657 sprintf(cp, " -t %d", (int)(minutes*60));
658 else
659 badvalue(REPORT);
660 }
661 if (pgmapname != NULL && pgmapdate < oct1date) {
662 cp = addarg(cp, "-apg");
663 addarg(cp, vval(PGMAP));
664 cp = sskip(sskip(cp)); /* remove any bandwidth */
665 *cp = '\0';
666 }
667 if (pcmapname != NULL && pcmapdate < oct1date) {
668 cp = addarg(cp, "-apc");
669 addarg(cp, vval(PCMAP));
670 cp = sskip(sskip(cp)); /* remove any bandwidth */
671 *cp = '\0';
672 }
673 cp = addarg(cp, oct1name);
674 if (runcom(combuf)) {
675 fprintf(stderr, "%s: error running %s\n",
676 progname, c_mkpmap);
677 if (pgmapname != NULL && pgmapdate < oct1date)
678 unlink(pgmapname);
679 if (pcmapname != NULL && pcmapdate < oct1date)
680 unlink(pcmapname);
681 quit(1);
682 }
683 }
684 tnow = time((time_t *)NULL);
685 if (pgmapname != NULL)
686 pgmapdate = tnow;
687 if (pcmapname != NULL)
688 pcmapdate = tnow;
689 oct1date = tnow; /* trigger ambient file removal if needed */
690 }
691
692
693 static char *
694 addarg( /* append argument and advance pointer */
695 char *op,
696 char *arg
697 )
698 {
699 while (*op)
700 op++;
701 *op = ' ';
702 while ( (*++op = *arg++) )
703 ;
704 return(op);
705 }
706
707
708 static void
709 oconvopts( /* get oconv options */
710 char *oo
711 )
712 {
713 /* BEWARE: This may be called via setdefaults(), so no assumptions */
714
715 *oo = '\0';
716 if (!vdef(OCONV))
717 return;
718 if (vval(OCONV)[0] != '-') {
719 atos(c_oconv, sizeof(c_oconv), vval(OCONV));
720 oo = addarg(oo, sskip2(vval(OCONV), 1));
721 } else
722 oo = addarg(oo, vval(OCONV));
723 }
724
725
726 static void
727 mkillumopts( /* get mkillum options */
728 char *mo
729 )
730 {
731 /* BEWARE: This may be called via setdefaults(), so no assumptions */
732
733 if (nprocs > 1)
734 sprintf(mo, " -n %d", nprocs);
735 else
736 *mo = '\0';
737 if (!vdef(MKILLUM))
738 return;
739 if (vval(MKILLUM)[0] != '-') {
740 atos(c_mkillum, sizeof(c_mkillum), vval(MKILLUM));
741 mo = addarg(mo, sskip2(vval(MKILLUM), 1));
742 } else
743 mo = addarg(mo, vval(MKILLUM));
744 }
745
746
747 static void
748 mkpmapopts( /* get mkpmap options */
749 char *mo
750 )
751 {
752 /* BEWARE: This may be called via setdefaults(), so no assumptions */
753
754 *mo = '\0';
755 if (!vdef(MKPMAP))
756 return;
757 if (vval(MKPMAP)[0] != '-') {
758 atos(c_mkpmap, sizeof(c_mkpmap), vval(MKPMAP));
759 mo = addarg(mo, sskip2(vval(MKPMAP), 1));
760 } else
761 mo = addarg(mo, vval(MKPMAP));
762 }
763
764
765 static void
766 checkambfile(void) /* check date on ambient file */
767 {
768 time_t afdate;
769
770 if (!vdef(AMBFILE))
771 return;
772 if (!(afdate = fdate(vval(AMBFILE))))
773 return;
774 if (oct1date > afdate) {
775 if (touchonly)
776 touch(vval(AMBFILE));
777 else
778 rmfile(vval(AMBFILE));
779 }
780 }
781
782
783 static double
784 ambval(void) /* compute ambient value */
785 {
786 if (vdef(EXPOSURE)) {
787 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
788 return(.5/pow(2.,vflt(EXPOSURE)));
789 return(.5/vflt(EXPOSURE));
790 }
791 if (vlet(ZONE) == 'E')
792 return(10.);
793 if (vlet(ZONE) == 'I')
794 return(.01);
795 badvalue(ZONE);
796 return 0; /* pro forma return */
797 }
798
799
800 static void
801 renderopts( /* set rendering options */
802 char *op,
803 char *po
804 )
805 {
806 char pmapf[256], *bw;
807
808 switch(vscale(QUALITY)) {
809 case LOW:
810 lowqopts(op, po);
811 break;
812 case MEDIUM:
813 medqopts(op, po);
814 break;
815 case HIGH:
816 hiqopts(op, po);
817 break;
818 }
819 if (vdef(PGMAP)) {
820 bw = sskip2(vval(PGMAP), 2);
821 atos(pmapf, sizeof(pmapf), vval(PGMAP));
822 op = addarg(addarg(op, "-ap"), pmapf);
823 if (atoi(bw) > 0) op = addarg(op, bw);
824 }
825 if (vdef(PCMAP)) {
826 bw = sskip2(vval(PCMAP), 2);
827 atos(pmapf, sizeof(pmapf), vval(PCMAP));
828 op = addarg(addarg(op, "-ap"), pmapf);
829 if (atoi(bw) > 0) op = addarg(op, bw);
830 }
831 if (vdef(RENDER))
832 op = addarg(op, vval(RENDER));
833 if (rvdevice != NULL) {
834 if (vdef(RVU))
835 if (vval(RVU)[0] != '-') {
836 atos(c_rvu, sizeof(c_rvu), vval(RVU));
837 po = addarg(po, sskip2(vval(RVU), 1));
838 } else
839 po = addarg(po, vval(RVU));
840 } else {
841 if (vdef(RPICT))
842 if (vval(RPICT)[0] != '-') {
843 atos(c_rpict, sizeof(c_rpict), vval(RPICT));
844 po = addarg(po, sskip2(vval(RPICT), 1));
845 } else
846 po = addarg(po, vval(RPICT));
847 }
848 }
849
850
851 static void
852 lowqopts( /* low quality rendering options */
853 char *op,
854 char *po
855 )
856 {
857 double d, org[3], siz[3];
858
859 *op = '\0';
860 *po = '\0';
861 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
862 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
863 badvalue(ZONE);
864 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
865 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
866 badvalue(ZONE);
867 getoctcube(org, &d);
868 d *= 3./(siz[0]+siz[1]+siz[2]);
869 switch (vscale(DETAIL)) {
870 case LOW:
871 po = addarg(po, "-ps 16");
872 op = addarg(op, "-dp 64");
873 sprintf(op, " -ar %d", (int)(8*d));
874 op += strlen(op);
875 break;
876 case MEDIUM:
877 po = addarg(po, "-ps 8");
878 op = addarg(op, "-dp 128");
879 sprintf(op, " -ar %d", (int)(16*d));
880 op += strlen(op);
881 break;
882 case HIGH:
883 po = addarg(po, "-ps 4");
884 op = addarg(op, "-dp 256");
885 sprintf(op, " -ar %d", (int)(32*d));
886 op += strlen(op);
887 break;
888 }
889 po = addarg(po, "-pt .16");
890 if (vbool(PENUMBRAS))
891 op = addarg(op, "-ds .4");
892 else
893 op = addarg(op, "-ds 0");
894 op = addarg(op, "-dt .2 -dc .25 -dr 0 -ss 0 -st .5");
895 if (vdef(AMBFILE)) {
896 sprintf(op, " -af %s", vval(AMBFILE));
897 op += strlen(op);
898 } else
899 overture = 0;
900 switch (vscale(VARIABILITY)) {
901 case LOW:
902 op = addarg(op, "-aa .3 -ad 256");
903 break;
904 case MEDIUM:
905 op = addarg(op, "-aa .25 -ad 512");
906 break;
907 case HIGH:
908 op = addarg(op, "-aa .2 -ad 1024");
909 break;
910 }
911 op = addarg(op, "-as 0");
912 d = ambval();
913 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
914 op += strlen(op);
915 op = addarg(op, "-lr 6 -lw .003");
916 }
917
918
919 static void
920 medqopts( /* medium quality rendering options */
921 char *op,
922 char *po
923 )
924 {
925 double d, org[3], siz[3], asz;
926
927 *op = '\0';
928 *po = '\0';
929 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
930 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
931 badvalue(ZONE);
932 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
933 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
934 badvalue(ZONE);
935 getoctcube(org, &d);
936 asz = (siz[0]+siz[1]+siz[2])/3.;
937 d /= asz;
938 switch (vscale(DETAIL)) {
939 case LOW:
940 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
941 op = addarg(op, "-dp 256");
942 sprintf(op, " -ar %d", (int)(16*d));
943 op += strlen(op);
944 sprintf(op, " -ms %.2g", asz/20.);
945 op += strlen(op);
946 break;
947 case MEDIUM:
948 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
949 op = addarg(op, "-dp 512");
950 sprintf(op, " -ar %d", (int)(32*d));
951 op += strlen(op);
952 sprintf(op, " -ms %.2g", asz/40.);
953 op += strlen(op);
954 break;
955 case HIGH:
956 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
957 op = addarg(op, "-dp 1024");
958 sprintf(op, " -ar %d", (int)(64*d));
959 op += strlen(op);
960 sprintf(op, " -ms %.2g", asz/80.);
961 op += strlen(op);
962 break;
963 }
964 po = addarg(po, "-pt .08");
965 if (vbool(PENUMBRAS))
966 op = addarg(op, "-ds .2 -dj .9");
967 else
968 op = addarg(op, "-ds .3");
969 op = addarg(op, "-dt .1 -dc .5 -dr 1 -ss 1 -st .1");
970 if ( (overture = vint(INDIRECT)) ) {
971 sprintf(op, " -ab %d", overture);
972 op += strlen(op);
973 }
974 if (vdef(AMBFILE)) {
975 sprintf(op, " -af %s", vval(AMBFILE));
976 op += strlen(op);
977 } else
978 overture = 0;
979 switch (vscale(VARIABILITY)) {
980 case LOW:
981 op = addarg(op, "-aa .2 -ad 329 -as 42");
982 break;
983 case MEDIUM:
984 op = addarg(op, "-aa .15 -ad 800 -as 128");
985 break;
986 case HIGH:
987 op = addarg(op, "-aa .1 -ad 1536 -as 392");
988 break;
989 }
990 d = ambval();
991 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
992 op += strlen(op);
993 op = addarg(op, "-lr 8 -lw 1e-4");
994 }
995
996
997 static void
998 hiqopts( /* high quality rendering options */
999 char *op,
1000 char *po
1001 )
1002 {
1003 double d, org[3], siz[3], asz;
1004
1005 *op = '\0';
1006 *po = '\0';
1007 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
1008 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
1009 badvalue(ZONE);
1010 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
1011 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
1012 badvalue(ZONE);
1013 getoctcube(org, &d);
1014 asz = (siz[0]+siz[1]+siz[2])/3.;
1015 d /= asz;
1016 switch (vscale(DETAIL)) {
1017 case LOW:
1018 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
1019 op = addarg(op, "-dp 1024");
1020 sprintf(op, " -ar %d", (int)(32*d));
1021 op += strlen(op);
1022 sprintf(op, " -ms %.2g", asz/40.);
1023 op += strlen(op);
1024 break;
1025 case MEDIUM:
1026 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
1027 op = addarg(op, "-dp 2048");
1028 sprintf(op, " -ar %d", (int)(64*d));
1029 op += strlen(op);
1030 sprintf(op, " -ms %.2g", asz/80.);
1031 op += strlen(op);
1032 break;
1033 case HIGH:
1034 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
1035 op = addarg(op, "-dp 4096");
1036 sprintf(op, " -ar %d", (int)(128*d));
1037 op += strlen(op);
1038 sprintf(op, " -ms %.2g", asz/160.);
1039 op += strlen(op);
1040 break;
1041 }
1042 po = addarg(po, "-pt .04");
1043 if (vbool(PENUMBRAS))
1044 op = addarg(op, "-ds .1 -dj .9");
1045 else
1046 op = addarg(op, "-ds .2");
1047 op = addarg(op, "-dt .05 -dc .75 -dr 3 -ss 16 -st .01");
1048 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
1049 op += strlen(op);
1050 if (vdef(AMBFILE)) {
1051 sprintf(op, " -af %s", vval(AMBFILE));
1052 op += strlen(op);
1053 } else
1054 overture = 0;
1055 switch (vscale(VARIABILITY)) {
1056 case LOW:
1057 op = addarg(op, "-aa .125 -ad 512 -as 64");
1058 break;
1059 case MEDIUM:
1060 op = addarg(op, "-aa .1 -ad 1536 -as 768");
1061 break;
1062 case HIGH:
1063 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
1064 break;
1065 }
1066 d = ambval();
1067 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1068 op += strlen(op);
1069 op = addarg(op, "-lr 12 -lw 1e-5");
1070 }
1071
1072
1073 #ifdef _WIN32
1074 static void
1075 setenv( /* set an environment variable */
1076 char *vname,
1077 char *value
1078 )
1079 {
1080 char *evp;
1081
1082 evp = bmalloc(strlen(vname)+strlen(value)+2);
1083 if (evp == NULL)
1084 syserr(progname);
1085 sprintf(evp, "%s=%s", vname, value);
1086 if (putenv(evp) != 0) {
1087 fprintf(stderr, "%s: out of environment space\n", progname);
1088 quit(1);
1089 }
1090 if (!silent)
1091 printf("set %s\n", evp);
1092 }
1093 #endif
1094
1095
1096 static void
1097 xferopts( /* transfer options if indicated */
1098 char *ro
1099 )
1100 {
1101 int fd, n;
1102 char *cp;
1103
1104 n = strlen(ro);
1105 if (n < 2)
1106 return;
1107 if (vdef(OPTFILE)) {
1108 for (cp = ro; cp[1]; cp++)
1109 if (isspace(cp[1]) && (cp[2] == '@' ||
1110 (cp[2] == '-' && isalpha(cp[3]))))
1111 *cp = '\n';
1112 else
1113 *cp = cp[1];
1114 *cp = '\n';
1115 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1116 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1117 syserr(vval(OPTFILE));
1118 sprintf(ro, " @%s", vval(OPTFILE));
1119 }
1120 #ifdef _WIN32
1121 else if (n > 50) {
1122 setenv("ROPT", ro+1);
1123 strcpy(ro, " $ROPT");
1124 }
1125 #endif
1126 }
1127
1128
1129 static void
1130 pfiltopts( /* get pfilt options */
1131 char *po
1132 )
1133 {
1134 *po = '\0';
1135 if (vdef(EXPOSURE)) {
1136 po = addarg(po, "-1 -e");
1137 po = addarg(po, vval(EXPOSURE));
1138 }
1139 switch (vscale(QUALITY)) {
1140 case MEDIUM:
1141 po = addarg(po, "-r .6");
1142 break;
1143 case HIGH:
1144 po = addarg(po, "-m .25");
1145 break;
1146 }
1147 if (vdef(PFILT))
1148 if (vval(PFILT)[0] != '-') {
1149 atos(c_pfilt, sizeof(c_pfilt), vval(PFILT));
1150 po = addarg(po, sskip2(vval(PFILT), 1));
1151 } else
1152 po = addarg(po, vval(PFILT));
1153 }
1154
1155
1156 static int
1157 matchword( /* match white-delimited words */
1158 char *s1,
1159 char *s2
1160 )
1161 {
1162 while (isspace(*s1)) s1++;
1163 while (isspace(*s2)) s2++;
1164 while (*s1 && !isspace(*s1))
1165 if (*s1++ != *s2++)
1166 return(0);
1167 return(!*s2 || isspace(*s2));
1168 }
1169
1170
1171 static char *
1172 specview( /* get proper view spec from vs */
1173 char *vs
1174 )
1175 {
1176 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1177 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1178 static char viewopts[128];
1179 char *cp;
1180 int xpos, ypos, zpos, viewtype, upax;
1181 int i;
1182 double cent[3], dim[3], mult, d;
1183
1184 if (vs == NULL || *vs == '-')
1185 return(vs);
1186 upax = 0; /* get the up vector */
1187 if (vdef(UP)) {
1188 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1189 upax = 1-'X'+UPPER(vval(UP)[1]);
1190 else
1191 upax = 1-'X'+vlet(UP);
1192 if ((upax < 1) | (upax > 3))
1193 badvalue(UP);
1194 if (vval(UP)[0] == '-')
1195 upax = -upax;
1196 }
1197 /* check standard view names */
1198 xpos = ypos = zpos = 0;
1199 if (*vs == 'X') {
1200 xpos = 1; vs++;
1201 } else if (*vs == 'x') {
1202 xpos = -1; vs++;
1203 }
1204 if (*vs == 'Y') {
1205 ypos = 1; vs++;
1206 } else if (*vs == 'y') {
1207 ypos = -1; vs++;
1208 }
1209 if (*vs == 'Z') {
1210 zpos = 1; vs++;
1211 } else if (*vs == 'z') {
1212 zpos = -1; vs++;
1213 }
1214 switch (*vs) {
1215 case VT_PER:
1216 case VT_PAR:
1217 case VT_ANG:
1218 case VT_HEM:
1219 case VT_PLS:
1220 case VT_CYL:
1221 viewtype = *vs++;
1222 break;
1223 default:
1224 viewtype = VT_PER;
1225 break;
1226 }
1227 cp = viewopts;
1228 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1229 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1230 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1231 &cent[0], &dim[0], &cent[1], &dim[1],
1232 &cent[2], &dim[2]) != 6)
1233 badvalue(ZONE);
1234 for (i = 0; i < 3; i++) {
1235 dim[i] -= cent[i];
1236 if (dim[i] <= FTINY)
1237 badvalue(ZONE);
1238 cent[i] += .5*dim[i];
1239 }
1240 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1241 sprintf(cp, " -vp %.3g %.3g %.3g -vd %.3g %.3g %.3g",
1242 cent[0]+xpos*mult*dim[0],
1243 cent[1]+ypos*mult*dim[1],
1244 cent[2]+zpos*mult*dim[2],
1245 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1246 cp += strlen(cp);
1247 /* redirect up axis if necessary */
1248 switch (upax) {
1249 case 3: /* plus or minus Z axis */
1250 case -3:
1251 case 0:
1252 if (!(xpos|ypos))
1253 upax = 2;
1254 break;
1255 case 2: /* plus or minus Y axis */
1256 case -2:
1257 if (!(xpos|zpos))
1258 upax = 1;
1259 break;
1260 case 1: /* plus or minus X axis */
1261 case -1:
1262 if (!(ypos|zpos))
1263 upax = 3;
1264 break;
1265 }
1266 cp = addarg(cp, vup[upax+3]);
1267 switch (viewtype) {
1268 case VT_PER:
1269 cp = addarg(cp, "-vh 45 -vv 45");
1270 break;
1271 case VT_PAR:
1272 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1273 sprintf(cp, " -vh %.3g -vv %.3g", d, d);
1274 cp += strlen(cp);
1275 break;
1276 case VT_ANG:
1277 case VT_HEM:
1278 case VT_PLS:
1279 cp = addarg(cp, "-vh 180 -vv 180");
1280 break;
1281 case VT_CYL:
1282 cp = addarg(cp, "-vh 180 -vv 90");
1283 break;
1284 }
1285 } else {
1286 while (!isspace(*vs)) /* else skip id */
1287 if (!*vs++)
1288 return(NULL);
1289 if (upax) { /* prepend up vector */
1290 strcpy(cp, vup[upax+3]);
1291 cp += strlen(cp);
1292 }
1293 }
1294 if (cp == viewopts) /* append any additional options */
1295 vs++; /* skip prefixed space if unneeded */
1296 strcpy(cp, vs);
1297 #ifdef _WIN32
1298 if (strlen(viewopts) > 40) {
1299 setenv("VIEW", viewopts);
1300 return("$VIEW");
1301 }
1302 #endif
1303 return(viewopts);
1304 }
1305
1306
1307 static char *
1308 getview( /* get view n, or NULL if none */
1309 int n,
1310 char *vn /* returned view name */
1311 )
1312 {
1313 char *mv;
1314
1315 if (viewselect != NULL) { /* command-line selected */
1316 if (n) /* only do one */
1317 return(NULL);
1318
1319 if (isint(viewselect)) { /* view number? */
1320 n = atoi(viewselect)-1;
1321 goto numview;
1322 }
1323 if (viewselect[0] == '-') { /* already specified */
1324 if (vn != NULL)
1325 strcpy(vn, "0");
1326 return(viewselect);
1327 }
1328 if (vn != NULL) {
1329 for (mv = viewselect; *mv && !isspace(*mv);
1330 *vn++ = *mv++)
1331 ;
1332 *vn = '\0';
1333 }
1334 /* check list */
1335 while ((mv = nvalue(VIEWS, n++)) != NULL)
1336 if (matchword(viewselect, mv))
1337 return(specview(mv));
1338
1339 return(specview(viewselect)); /* standard view? */
1340 }
1341 numview:
1342 mv = nvalue(VIEWS, n); /* use view n */
1343 if ((vn != NULL) & (mv != NULL))
1344 if (*mv != '-') {
1345 char *mv2 = mv;
1346 while (*mv2 && !isspace(*mv2))
1347 *vn++ = *mv2++;
1348 *vn = '\0';
1349 } else
1350 sprintf(vn, "%d", n+1);
1351
1352 return(specview(mv));
1353 }
1354
1355
1356 static int
1357 myprintview( /* print out selected view */
1358 char *vopts,
1359 FILE *fp
1360 )
1361 {
1362 VIEW vwr;
1363 char buf[128];
1364 char *cp;
1365 #ifdef _WIN32
1366 /* XXX Should we allow something like this for all platforms? */
1367 /* XXX Or is it still required at all? */
1368 again:
1369 #endif
1370 if (vopts == NULL)
1371 return(-1);
1372 #ifdef _WIN32
1373 if (vopts[0] == '$') {
1374 vopts = getenv(vopts+1);
1375 goto again;
1376 }
1377 #endif
1378 vwr = stdview;
1379 sscanview(&vwr, cp=vopts); /* set initial options */
1380 while ((cp = strstr(cp, "-vf ")) != NULL &&
1381 *atos(buf, sizeof(buf), cp += 4)) {
1382 viewfile(buf, &vwr, NULL); /* load -vf file */
1383 sscanview(&vwr, cp); /* reset tail */
1384 }
1385 fputs(VIEWSTR, fp);
1386 fprintview(&vwr, fp); /* print full spec. */
1387 fputc('\n', fp);
1388 return(0);
1389 }
1390
1391
1392 static void
1393 rvu( /* run rvu with first view */
1394 char *opts,
1395 char *po
1396 )
1397 {
1398 char *vw;
1399 char combuf[PATH_MAX];
1400 /* build command */
1401 if (touchonly || (vw = getview(0, NULL)) == NULL)
1402 return;
1403 if (sayview)
1404 myprintview(vw, stdout);
1405 sprintf(combuf, "%s %s%s%s -R %s ", c_rvu, vw, opts, po, rifname);
1406 if (nprocs > 1)
1407 sprintf(combuf+strlen(combuf), "-n %d ", nprocs);
1408 if (rvdevice != NULL)
1409 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1410 if (vdef(EXPOSURE))
1411 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1412 strcat(combuf, oct1name);
1413 if (runcom(combuf)) { /* run it */
1414 fprintf(stderr, "%s: error running %s\n", progname, c_rvu);
1415 quit(1);
1416 }
1417 }
1418
1419
1420 static int
1421 syncf_done( /* check if an rpiece sync file is complete */
1422 char *sfname
1423 )
1424 {
1425 FILE *fp = fopen(sfname, "r");
1426 int todo = 1;
1427 int x, y;
1428
1429 if (fp == NULL)
1430 return(0);
1431 if (fscanf(fp, "%d %d", &x, &y) != 2)
1432 goto checked;
1433 todo = x*y; /* total number of tiles */
1434 if (fscanf(fp, "%d %d", &x, &y) != 2 || (x != 0) | (y != 0))
1435 goto checked;
1436 /* XXX assume no redundant tiles */
1437 while (fscanf(fp, "%d %d", &x, &y) == 2)
1438 if (!--todo)
1439 break;
1440 checked:
1441 fclose(fp);
1442 return(!todo);
1443 }
1444
1445
1446 static void
1447 rpict( /* run rpict and pfilt for each view */
1448 char *opts,
1449 char *po
1450 )
1451 {
1452 #define do_rpiece (sfile[0]!='\0')
1453 char combuf[5*PATH_MAX+512];
1454 char rawfile[PATH_MAX], picfile[PATH_MAX];
1455 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1456 char rppopt[32], sfile[PATH_MAX], *pfile = NULL;
1457 char pfopts[128];
1458 char vs[32], *vw;
1459 int vn, mult;
1460 FILE *fp;
1461 time_t rfdt, pfdt;
1462 int xres, yres;
1463 double aspect;
1464 int n;
1465 /* get pfilt options */
1466 pfiltopts(pfopts);
1467 /* get resolution, reporting */
1468 switch (vscale(QUALITY)) {
1469 case LOW:
1470 mult = 1;
1471 break;
1472 case MEDIUM:
1473 mult = 2;
1474 break;
1475 case HIGH:
1476 mult = 3;
1477 break;
1478 }
1479 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1480 if (n == 3)
1481 sprintf(res, "-x %d -y %d -pa %.3f",
1482 mult*xres, mult*yres, aspect);
1483 else if (n) {
1484 aspect = 1.;
1485 if (n == 1) yres = xres;
1486 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1487 } else
1488 badvalue(RESOLUTION);
1489 rep[0] = '\0';
1490 if (vdef(REPORT)) {
1491 double minutes;
1492 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1493 if (n == 2)
1494 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1495 else if (n == 1)
1496 sprintf(rep, " -t %d", (int)(minutes*60));
1497 else
1498 badvalue(REPORT);
1499 }
1500 /* set up parallel rendering */
1501 sfile[0] = '\0';
1502 if ((nprocs > 1) & !touchonly & !vdef(ZFILE) &&
1503 getview(0, vs) != NULL) {
1504 if (!strcmp(c_rpict, DEF_RPICT_PATH) &&
1505 getview(1, NULL) == NULL) {
1506 sprintf(sfile, "%s_%s_rpsync.txt",
1507 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE),
1508 vs);
1509 strcpy(rppopt, "-PP pfXXXXXX");
1510 } else {
1511 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1512 }
1513 pfile = rppopt + strlen(rppopt) - 8;
1514 if (mktemp(pfile) == NULL) {
1515 if (do_rpiece) {
1516 fprintf(stderr, "%s: cannot create\n", pfile);
1517 quit(1);
1518 }
1519 pfile = NULL;
1520 }
1521 }
1522 vn = 0; /* do each view */
1523 while ((vw = getview(vn++, vs)) != NULL) {
1524 if (sayview)
1525 myprintview(vw, stdout);
1526 sprintf(picfile, "%s_%s.hdr", vval(PICTURE), vs);
1527 if (vdef(ZFILE))
1528 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1529 else
1530 zopt[0] = '\0';
1531 /* check date on picture */
1532 pfdt = fdate(picfile);
1533 if (pfdt >= oct1date)
1534 continue;
1535 /* get raw file name */
1536 sprintf(rawfile, "%s_%s.unf",
1537 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1538 rfdt = fdate(rawfile);
1539 if (touchonly) { /* update times only */
1540 if (rfdt) {
1541 if (rfdt < oct1date)
1542 touch(rawfile);
1543 } else if (pfdt && pfdt < oct1date)
1544 touch(picfile);
1545 continue;
1546 }
1547 /* parallel running? */
1548 if (do_rpiece) {
1549 if (rfdt < oct1date || !fdate(sfile)) {
1550 int xdiv = 8+nprocs/3, ydiv = 8+nprocs/3;
1551 if (rfdt >= oct1date) {
1552 fprintf(stderr,
1553 "%s: partial output not created with %s\n", rawfile, c_rpiece);
1554 quit(1);
1555 }
1556 if (rfdt) { /* start fresh */
1557 rmfile(rawfile);
1558 rfdt = 0;
1559 }
1560 if (!silent)
1561 printf("\techo %d %d > %s\n",
1562 xdiv, ydiv, sfile);
1563 if ((fp = fopen(sfile, "w")) == NULL) {
1564 fprintf(stderr, "%s: cannot create\n",
1565 sfile);
1566 quit(1);
1567 }
1568 fprintf(fp, "%d %d\n", xdiv, ydiv);
1569 fclose(fp);
1570 }
1571 } else if (next_process(0)) {
1572 if (pfile != NULL)
1573 sleep(10);
1574 continue;
1575 } else if (!inchild())
1576 pfile = NULL;
1577 /* XXX Remember to call finish_process() */
1578 /* build rpict command */
1579 if (rfdt >= oct1date) { /* already in progress */
1580 if (do_rpiece) {
1581 sprintf(combuf, "%s -R %s %s%s %s %s%s%s -o %s %s",
1582 c_rpiece, sfile, rppopt, rep, vw,
1583 res, opts, po, rawfile, oct1name);
1584 while (next_process(1)) {
1585 sleep(10);
1586 combuf[strlen(c_rpiece)+2] = 'F';
1587 }
1588 } else
1589 sprintf(combuf, "%s%s%s%s%s -ro %s %s", c_rpict,
1590 rep, opts, po, zopt, rawfile, oct1name);
1591 if (runcom(combuf)) /* run rpict/rpiece */
1592 goto rperror;
1593 } else {
1594 if (overture) { /* run overture calculation */
1595 sprintf(combuf,
1596 "%s%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1597 c_rpict, rep, vw, opts,
1598 oct1name, overfile);
1599 if (!do_rpiece || !next_process(0)) {
1600 if (runcom(combuf)) {
1601 fprintf(stderr,
1602 "%s: error in overture for view %s\n",
1603 progname, vs);
1604 quit(1);
1605 }
1606 #ifndef NULL_DEVICE
1607 rmfile(overfile);
1608 #endif
1609 } else if (do_rpiece)
1610 sleep(20);
1611 }
1612 if (do_rpiece) {
1613 sprintf(combuf, "%s -F %s %s%s %s %s%s%s -o %s %s",
1614 c_rpiece, sfile, rppopt, rep, vw,
1615 res, opts, po, rawfile, oct1name);
1616 while (next_process(1))
1617 sleep(10);
1618 } else {
1619 sprintf(combuf, "%s%s %s %s%s%s%s %s > %s",
1620 c_rpict, rep, vw, res, opts, po,
1621 zopt, oct1name, rawfile);
1622 }
1623 if ((pfile != NULL) & !do_rpiece) {
1624 if (!silent)
1625 printf("\t%s\n", combuf);
1626 fflush(stdout);
1627 sprintf(combuf, "%s%s %s %s%s%s %s > %s",
1628 c_rpict, rep, rppopt, res,
1629 opts, po, oct1name, rawfile);
1630 fp = popen(combuf, "w");
1631 if (fp == NULL)
1632 goto rperror;
1633 myprintview(vw, fp);
1634 if (pclose(fp))
1635 goto rperror;
1636 } else if (runcom(combuf))
1637 goto rperror;
1638 }
1639 if (do_rpiece) { /* need to finish raw, first */
1640 finish_process();
1641 wait_process(1);
1642 if (!syncf_done(sfile)) {
1643 fprintf(stderr,
1644 "%s: %s did not complete rendering of view %s\n",
1645 progname, c_rpiece, vs);
1646 quit(1);
1647 }
1648 }
1649 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1650 /* build pfilt command */
1651 if (do_rpiece)
1652 sprintf(combuf,
1653 "%s%s -x %d -y %d -p %.3f %s > %s",
1654 c_pfilt, pfopts, xres, yres, aspect,
1655 rawfile, picfile);
1656 else if (mult > 1)
1657 sprintf(combuf, "%s%s -x /%d -y /%d %s > %s",
1658 c_pfilt, pfopts, mult, mult,
1659 rawfile, picfile);
1660 else
1661 sprintf(combuf, "%s%s %s > %s", c_pfilt,
1662 pfopts, rawfile, picfile);
1663 if (runcom(combuf)) { /* run pfilt */
1664 fprintf(stderr,
1665 "%s: error filtering view %s\n\t%s removed\n",
1666 progname, vs, picfile);
1667 unlink(picfile);
1668 quit(1);
1669 }
1670 }
1671 /* remove/rename raw file */
1672 if (vdef(RAWFILE)) {
1673 sprintf(combuf, "%s_%s.hdr", vval(RAWFILE), vs);
1674 mvfile(rawfile, combuf);
1675 } else
1676 rmfile(rawfile);
1677 if (do_rpiece) /* done with sync file */
1678 rmfile(sfile);
1679 else
1680 finish_process(); /* exit if child */
1681 }
1682 wait_process(1); /* wait for children to finish */
1683 if (pfile != NULL) { /* clean up persistent rpict */
1684 RT_PID pid;
1685 fp = fopen(pfile, "r");
1686 if (fp != NULL) {
1687 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1688 kill(pid, 1) < 0)
1689 unlink(pfile);
1690 fclose(fp);
1691 }
1692 }
1693 return;
1694 rperror:
1695 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1696 quit(1);
1697 #undef do_rpiece
1698 }
1699
1700
1701 static int
1702 touch( /* update a file */
1703 char *fn
1704 )
1705 {
1706 if (!silent)
1707 printf("\ttouch %s\n", fn);
1708 if (!nprocs)
1709 return(0);
1710 return(setfdate(fn, time((time_t *)NULL)));
1711 }
1712
1713
1714 static int
1715 runcom( /* run command */
1716 char *cs
1717 )
1718 {
1719 if (!silent) /* echo it */
1720 printf("\t%s\n", cs);
1721 if (!nprocs)
1722 return(0);
1723 fflush(NULL); /* flush output and pass to shell */
1724 return(system(cs));
1725 }
1726
1727
1728 static int
1729 rmfile( /* remove a file */
1730 char *fn
1731 )
1732 {
1733 if (!silent)
1734 printf("\t%s %s\n", DELCMD, fn);
1735 if (!nprocs)
1736 return(0);
1737 return(unlink(fn));
1738 }
1739
1740
1741 static int
1742 mvfile( /* move a file */
1743 char *fold,
1744 char *fnew
1745 )
1746 {
1747 if (!silent)
1748 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1749 if (!nprocs)
1750 return(0);
1751 return(rename(fold, fnew));
1752 }
1753
1754
1755 #ifdef RHAS_FORK_EXEC
1756 static int
1757 next_process(int reserve) /* fork the next process */
1758 {
1759 RT_PID child_pid;
1760
1761 if (nprocs <= 1)
1762 return(0); /* it's us or no one */
1763 if (inchild()) {
1764 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1765 progname);
1766 quit(1);
1767 }
1768 if (reserve > 0 && children_running >= nprocs-reserve)
1769 return(0); /* caller holding back process(es) */
1770 if (children_running >= nprocs)
1771 wait_process(0); /* wait for someone to finish */
1772 fflush(NULL); /* flush output */
1773 child_pid = fork(); /* split process */
1774 if (child_pid == 0) { /* we're the child */
1775 children_running = -1;
1776 nprocs = 1;
1777 return(0);
1778 }
1779 if (child_pid > 0) { /* we're the parent */
1780 ++children_running;
1781 return(1);
1782 }
1783 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1784 return(0);
1785 }
1786
1787 static void
1788 wait_process( /* wait for process(es) to finish */
1789 int all
1790 )
1791 {
1792 int ourstatus = 0, status;
1793 RT_PID pid;
1794
1795 if (all)
1796 all = children_running;
1797 else if (children_running > 0)
1798 all = 1;
1799 while (all-- > 0) {
1800 pid = wait(&status);
1801 if (pid < 0)
1802 syserr(progname);
1803 status = status>>8 & 0xff;
1804 --children_running;
1805 if (status != 0) { /* child's problem is our problem */
1806 if ((ourstatus == 0) & (children_running > 0))
1807 fprintf(stderr, "%s: waiting for remaining processes\n",
1808 progname);
1809 ourstatus = status;
1810 all = children_running;
1811 }
1812 }
1813 if (ourstatus != 0)
1814 quit(ourstatus); /* bad status from child */
1815 }
1816 #else /* ! RHAS_FORK_EXEC */
1817 static int
1818 next_process(int reserve)
1819 {
1820 return(0); /* cannot start new process */
1821 }
1822 static void
1823 wait_process(all)
1824 int all;
1825 {
1826 (void)all; /* no one to wait for */
1827 }
1828 int
1829 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1830 RT_PID pid;
1831 int sig;
1832 {
1833 return 0;
1834 }
1835 #endif /* ! RHAS_FORK_EXEC */
1836
1837 static void
1838 finish_process(void) /* exit a child process */
1839 {
1840 if (!inchild())
1841 return; /* in parent -- noop */
1842 exit(0);
1843 }
1844
1845
1846 static void
1847 badvalue( /* report bad variable value and exit */
1848 int vc
1849 )
1850 {
1851 fprintf(stderr, "%s: bad value for variable '%s'\n",
1852 progname, vnam(vc));
1853 quit(1);
1854 }
1855
1856
1857 static void
1858 syserr( /* report a system error and exit */
1859 char *s
1860 )
1861 {
1862 perror(s);
1863 quit(1);
1864 }
1865
1866
1867 void
1868 quit(ec) /* exit program */
1869 int ec;
1870 {
1871 exit(ec);
1872 }