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root/radiance/ray/src/util/rad.c
Revision: 2.124
Committed: Sun Mar 6 01:13:18 2016 UTC (8 years, 1 month ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 2.123: +7 -7 lines
Log Message:
Prepare for SCons build on Win32 and Win64

File Contents

# Content
1 #ifndef lint
2 static const char RCSid[] = "$Id: rad.c,v 2.123 2015/10/28 02:52:17 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 #include <signal.h>
13
14 #include "platform.h"
15 #include "rtprocess.h"
16 #include "view.h"
17 #include "paths.h"
18 #include "vars.h"
19
20 #if defined(_WIN32) || defined(_WIN64)
21 #define DELCMD "del"
22 #define RENAMECMD "rename"
23 #else
24 #define DELCMD "rm -f"
25 #define RENAMECMD "mv"
26 #include <sys/types.h>
27 #include <sys/wait.h>
28 #include <signal.h>
29 #endif
30
31 /* variables (alphabetical by name) */
32 #define AMBFILE 0 /* ambient file name */
33 #define DETAIL 1 /* level of scene detail */
34 #define EXPOSURE 2 /* picture exposure setting */
35 #define EYESEP 3 /* interocular distance */
36 #define ILLUM 4 /* mkillum input files */
37 #define INDIRECT 5 /* indirection in lighting */
38 #define MATERIAL 6 /* material files */
39 #define MKILLUM 7 /* mkillum options */
40 #define MKPMAP 8 /* mkpmap options */
41 #define OBJECT 9 /* object files */
42 #define OCONV 10 /* oconv options */
43 #define OCTREE 11 /* octree file name */
44 #define OPTFILE 12 /* rendering options file */
45 #define PCMAP 13 /* caustic photon map */
46 #define PENUMBRAS 14 /* shadow penumbras are desired */
47 #define PFILT 15 /* pfilt options */
48 #define PGMAP 16 /* global photon map */
49 #define PICTURE 17 /* picture file root name */
50 #define QUALITY 18 /* desired rendering quality */
51 #define RAWFILE 19 /* raw picture file root name */
52 #define RENDER 20 /* rendering options */
53 #define REPORT 21 /* report frequency and errfile */
54 #define RESOLUTION 22 /* maximum picture resolution */
55 #define RPICT 23 /* rpict parameters */
56 #define RVU 24 /* rvu parameters */
57 #define SCENE 25 /* scene files */
58 #define UP 26 /* view up (X, Y or Z) */
59 #define VARIABILITY 27 /* level of light variability */
60 #define VIEWS 28 /* view(s) for picture(s) */
61 #define ZFILE 29 /* distance file root name */
62 #define ZONE 30 /* simulation zone */
63 /* total number of variables */
64 int NVARS = 31;
65
66 VARIABLE vv[] = { /* variable-value pairs */
67 {"AMBFILE", 3, 0, NULL, onevalue},
68 {"DETAIL", 3, 0, NULL, qualvalue},
69 {"EXPOSURE", 3, 0, NULL, fltvalue},
70 {"EYESEP", 3, 0, NULL, fltvalue},
71 {"illum", 3, 0, NULL, catvalues},
72 {"INDIRECT", 3, 0, NULL, intvalue},
73 {"materials", 3, 0, NULL, catvalues},
74 {"mkillum", 3, 0, NULL, catvalues},
75 {"mkpmap", 3, 0, NULL, catvalues},
76 {"objects", 3, 0, NULL, catvalues},
77 {"oconv", 3, 0, NULL, catvalues},
78 {"OCTREE", 3, 0, NULL, onevalue},
79 {"OPTFILE", 3, 0, NULL, onevalue},
80 {"PCMAP", 2, 0, NULL, onevalue},
81 {"PENUMBRAS", 3, 0, NULL, boolvalue},
82 {"pfilt", 2, 0, NULL, catvalues},
83 {"PGMAP", 2, 0, NULL, onevalue},
84 {"PICTURE", 3, 0, NULL, onevalue},
85 {"QUALITY", 3, 0, NULL, qualvalue},
86 {"RAWFILE", 3, 0, NULL, onevalue},
87 {"render", 3, 0, NULL, catvalues},
88 {"REPORT", 3, 0, NULL, onevalue},
89 {"RESOLUTION", 3, 0, NULL, onevalue},
90 {"rpict", 3, 0, NULL, catvalues},
91 {"rvu", 3, 0, NULL, catvalues},
92 {"scene", 3, 0, NULL, catvalues},
93 {"UP", 2, 0, NULL, onevalue},
94 {"VARIABILITY", 3, 0, NULL, qualvalue},
95 {"view", 2, 0, NULL, NULL},
96 {"ZFILE", 2, 0, NULL, onevalue},
97 {"ZONE", 2, 0, NULL, onevalue},
98 };
99
100 /* overture calculation file */
101 #ifdef NULL_DEVICE
102 char overfile[] = NULL_DEVICE;
103 #else
104 char overfile[] = "overture.unf";
105 #endif
106
107
108 time_t scenedate; /* date of latest scene or object file */
109 time_t octreedate; /* date of octree */
110 time_t matdate; /* date of latest material file */
111 time_t illumdate; /* date of last illum file */
112
113 char *oct0name; /* name of pre-mkillum octree */
114 time_t oct0date; /* date of pre-mkillum octree */
115 char *oct1name; /* name of post-mkillum octree */
116 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
117
118 char *pgmapname; /* name of global photon map */
119 time_t pgmapdate; /* date of global photon map (>= oct1date) */
120 char *pcmapname; /* name of caustic photon map */
121 time_t pcmapdate; /* date of caustic photon map (>= oct1date) */
122
123 int nowarn = 0; /* no warnings */
124 int explicate = 0; /* explicate variables */
125 int silent = 0; /* do work silently */
126 int touchonly = 0; /* touch files only */
127 int nprocs = 1; /* maximum executing processes */
128 int sayview = 0; /* print view out */
129 char *rvdevice = NULL; /* rvu output device */
130 char *viewselect = NULL; /* specific view only */
131
132 #define DEF_RPICT_PATH "rpict" /* default rpict path */
133
134 /* command paths */
135 char c_oconv[256] = "oconv";
136 char c_mkillum[256] = "mkillum";
137 char c_mkpmap[256] = "mkpmap";
138 char c_rvu[256] = "rvu";
139 char c_rpict[256] = DEF_RPICT_PATH;
140 char c_rpiece[] = "rpiece";
141 char c_pfilt[256] = "pfilt";
142
143 int overture = 0; /* overture calculation needed */
144
145 int children_running = 0; /* set negative in children */
146
147 char *progname; /* global argv[0] */
148 char *rifname; /* global rad input file name */
149
150 char radname[PATH_MAX]; /* root Radiance file name */
151
152 #define inchild() (children_running < 0)
153
154 static void rootname(char *rn, char *fn);
155 static time_t checklast(char *fnames);
156 static char * newfname(char *orig, int pred);
157 static void checkfiles(void);
158 static void getoctcube(double org[3], double *sizp);
159 static void setdefaults(void);
160 static void oconv(void);
161 static void mkpmap(void);
162 static char * addarg(char *op, char *arg);
163 static void oconvopts(char *oo);
164 static void mkillumopts(char *mo);
165 static void mkpmapopts(char *mo);
166 static void checkambfile(void);
167 static double ambval(void);
168 static void renderopts(char *op, char *po);
169 static void lowqopts(char *op, char *po);
170 static void medqopts(char *op, char *po);
171 static void hiqopts(char *op, char *po);
172 static void xferopts(char *ro);
173 static void pfiltopts(char *po);
174 static int matchword(char *s1, char *s2);
175 static char * specview(char *vs);
176 static char * getview(int n, char *vn);
177 static int myprintview(char *vopts, FILE *fp);
178 static void rvu(char *opts, char *po);
179 static void rpict(char *opts, char *po);
180 static int touch(char *fn);
181 static int runcom(char *cs);
182 static int rmfile(char *fn);
183 static int mvfile(char *fold, char *fnew);
184 static int next_process(int reserve);
185 static void wait_process(int all);
186 static void finish_process(void);
187 static void badvalue(int vc);
188 static void syserr(char *s);
189
190
191 int
192 main(
193 int argc,
194 char *argv[]
195 )
196 {
197 char ropts[512];
198 char popts[64];
199 int i;
200
201 progname = argv[0];
202 /* get options */
203 for (i = 1; i < argc && argv[i][0] == '-'; i++)
204 switch (argv[i][1]) {
205 case 's':
206 silent++;
207 break;
208 case 'n':
209 nprocs = 0;
210 break;
211 case 'N':
212 nprocs = atoi(argv[++i]);
213 if (nprocs < 0)
214 nprocs = 0;
215 break;
216 case 't':
217 touchonly++;
218 break;
219 case 'e':
220 explicate++;
221 break;
222 case 'o':
223 rvdevice = argv[++i];
224 break;
225 case 'V':
226 sayview++;
227 break;
228 case 'v':
229 viewselect = argv[++i];
230 break;
231 case 'w':
232 nowarn++;
233 break;
234 default:
235 goto userr;
236 }
237 if (i >= argc)
238 goto userr;
239 rifname = argv[i];
240 /* assign Radiance root file name */
241 rootname(radname, rifname);
242 /* load variable values */
243 loadvars(rifname);
244 /* get any additional assignments */
245 for (i++; i < argc; i++)
246 if (setvariable(argv[i], matchvar) < 0) {
247 fprintf(stderr, "%s: unknown variable: %s\n",
248 progname, argv[i]);
249 quit(1);
250 }
251 /* check assignments */
252 checkvalues();
253 /* check files and dates */
254 checkfiles();
255 /* set default values as necessary */
256 setdefaults();
257 /* print all values if requested */
258 if (explicate)
259 printvars(stdout);
260 /* build octree (and run mkillum) */
261 oconv();
262 /* run mkpmap if indicated */
263 mkpmap();
264 /* check date on ambient file */
265 checkambfile();
266 /* run simulation */
267 renderopts(ropts, popts);
268 xferopts(ropts);
269 if (rvdevice != NULL)
270 rvu(ropts, popts);
271 else
272 rpict(ropts, popts);
273 quit(0);
274 userr:
275 fprintf(stderr,
276 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
277 progname);
278 quit(1);
279 return 1; /* pro forma return */
280 }
281
282
283 static void
284 rootname( /* remove tail from end of fn */
285 char *rn,
286 char *fn
287 )
288 {
289 char *tp, *dp;
290
291 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
292 if (ISDIRSEP(*rn))
293 dp = rn;
294 else if (*rn == '.')
295 tp = rn;
296 if (tp != NULL && tp > dp)
297 *tp = '\0';
298 }
299
300
301 static time_t
302 checklast( /* check files and find most recent */
303 char *fnames
304 )
305 {
306 char thisfile[PATH_MAX];
307 time_t thisdate, lastdate = 0;
308
309 if (fnames == NULL)
310 return(0);
311 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
312 if (thisfile[0] == '!' ||
313 (thisfile[0] == '\\' && thisfile[1] == '!')) {
314 if (!lastdate)
315 lastdate = 1;
316 continue;
317 }
318 if (!(thisdate = fdate(thisfile)))
319 syserr(thisfile);
320 if (thisdate > lastdate)
321 lastdate = thisdate;
322 }
323 return(lastdate);
324 }
325
326
327 static char *
328 newfname( /* create modified file name */
329 char *orig,
330 int pred
331 )
332 {
333 char *cp;
334 int n;
335 int suffix;
336
337 n = 0; cp = orig; suffix = -1; /* suffix position, length */
338 while (*cp) {
339 if (*cp == '.') suffix = n;
340 else if (ISDIRSEP(*cp)) suffix = -1;
341 cp++; n++;
342 }
343 if (suffix == -1) suffix = n;
344 if ((cp = bmalloc(n+2)) == NULL)
345 syserr(progname);
346 strncpy(cp, orig, suffix);
347 cp[suffix] = pred; /* root name + pred + suffix */
348 strcpy(cp+suffix+1, orig+suffix);
349 return(cp);
350 }
351
352
353 static void
354 checkfiles(void) /* check for existence and modified times */
355 {
356 char fntemp[256];
357 time_t objdate;
358
359 if (!vdef(OCTREE)) {
360 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
361 syserr(progname);
362 sprintf(vval(OCTREE), "%s.oct", radname);
363 vdef(OCTREE)++;
364 } else if (vval(OCTREE)[0] == '!') {
365 fprintf(stderr, "%s: illegal '%s' specification\n",
366 progname, vnam(OCTREE));
367 quit(1);
368 }
369 octreedate = fdate(vval(OCTREE));
370 if (vdef(ILLUM)) { /* illum requires secondary octrees */
371 oct0name = newfname(vval(OCTREE), '0');
372 oct1name = newfname(vval(OCTREE), '1');
373 oct0date = fdate(oct0name);
374 oct1date = fdate(oct1name);
375 } else
376 oct0name = oct1name = vval(OCTREE);
377 if ((scenedate = checklast(vval(SCENE))) &&
378 (objdate = checklast(vval(OBJECT))) > scenedate)
379 scenedate = objdate;
380 illumdate = checklast(vval(ILLUM));
381 if (!octreedate & !scenedate & !illumdate) {
382 fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
383 vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
384 quit(1);
385 }
386 if (vdef(PGMAP)) {
387 if (!*sskip2(vval(PGMAP),1)) {
388 fprintf(stderr, "%s: '%s' missing # photons argument\n",
389 progname, vnam(PGMAP));
390 quit(1);
391 }
392 atos(fntemp, sizeof(fntemp), vval(PGMAP));
393 pgmapname = savqstr(fntemp);
394 pgmapdate = fdate(pgmapname);
395 }
396 if (vdef(PCMAP)) {
397 if (!*sskip2(vval(PCMAP),1)) {
398 fprintf(stderr, "%s: '%s' missing # photons argument\n",
399 progname, vnam(PCMAP));
400 quit(1);
401 }
402 atos(fntemp, sizeof(fntemp), vval(PCMAP));
403 pcmapname = savqstr(fntemp);
404 pcmapdate = fdate(pcmapname);
405 }
406 matdate = checklast(vval(MATERIAL));
407 }
408
409
410 static void
411 getoctcube( /* get octree bounding cube */
412 double org[3],
413 double *sizp
414 )
415 {
416 static double oorg[3], osiz = 0.;
417 double min[3], max[3];
418 char buf[1024];
419 FILE *fp;
420 int i;
421
422 if (osiz <= FTINY) {
423 if (!nprocs && fdate(oct1name) <
424 (scenedate>illumdate?scenedate:illumdate)) {
425 /* run getbbox */
426 sprintf(buf, "getbbox -w -h %s",
427 vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
428 if ((fp = popen(buf, "r")) == NULL)
429 syserr("getbbox");
430 if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
431 &min[0], &max[0], &min[1], &max[1],
432 &min[2], &max[2]) != 6) {
433 fprintf(stderr,
434 "%s: error reading bounding box from getbbox\n",
435 progname);
436 quit(1);
437 }
438 for (i = 0; i < 3; i++)
439 if (max[i] - min[i] > osiz)
440 osiz = max[i] - min[i];
441 for (i = 0; i < 3; i++)
442 oorg[i] = (max[i]+min[i]-osiz)*.5;
443 pclose(fp);
444 } else { /* from octree */
445 oconv(); /* does nothing if done already */
446 sprintf(buf, "getinfo -d < %s", oct1name);
447 if ((fp = popen(buf, "r")) == NULL)
448 syserr("getinfo");
449 if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
450 &oorg[2], &osiz) != 4) {
451 fprintf(stderr,
452 "%s: error reading bounding cube from getinfo\n",
453 progname);
454 quit(1);
455 }
456 pclose(fp);
457 }
458 }
459 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
460 }
461
462
463 static void
464 setdefaults(void) /* set default values for unassigned var's */
465 {
466 double org[3], lim[3], size;
467 char buf[128];
468
469 if (!vdef(ZONE)) {
470 getoctcube(org, &size);
471 sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
472 org[1], org[1]+size, org[2], org[2]+size);
473 vval(ZONE) = savqstr(buf);
474 vdef(ZONE)++;
475 }
476 if (!vdef(EYESEP)) {
477 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
478 &org[0], &lim[0], &org[1], &lim[1],
479 &org[2], &lim[2]) != 6)
480 badvalue(ZONE);
481 sprintf(buf, "%f",
482 0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
483 vval(EYESEP) = savqstr(buf);
484 vdef(EYESEP)++;
485 }
486 if (!vdef(INDIRECT)) {
487 vval(INDIRECT) = "0";
488 vdef(INDIRECT)++;
489 }
490 if (!vdef(QUALITY)) {
491 vval(QUALITY) = "L";
492 vdef(QUALITY)++;
493 }
494 if (!vdef(RESOLUTION)) {
495 vval(RESOLUTION) = "512";
496 vdef(RESOLUTION)++;
497 }
498 if (!vdef(PICTURE)) {
499 vval(PICTURE) = radname;
500 vdef(PICTURE)++;
501 }
502 if (!vdef(VIEWS)) {
503 vval(VIEWS) = "X";
504 vdef(VIEWS)++;
505 }
506 if (!vdef(DETAIL)) {
507 vval(DETAIL) = "M";
508 vdef(DETAIL)++;
509 }
510 if (!vdef(PENUMBRAS)) {
511 vval(PENUMBRAS) = "F";
512 vdef(PENUMBRAS)++;
513 }
514 if (!vdef(VARIABILITY)) {
515 vval(VARIABILITY) = "L";
516 vdef(VARIABILITY)++;
517 }
518 }
519
520
521 static void
522 oconv(void) /* run oconv and mkillum if necessary */
523 {
524 static char illumtmp[] = "ilXXXXXX";
525 char combuf[PATH_MAX], ocopts[64], mkopts[1024];
526
527 oconvopts(ocopts); /* get options */
528 if (octreedate < scenedate) { /* check date on original octree */
529 if (touchonly && octreedate)
530 touch(vval(OCTREE));
531 else { /* build command */
532 if (vdef(MATERIAL))
533 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
534 ocopts, vval(MATERIAL),
535 vval(SCENE), vval(OCTREE));
536 else
537 sprintf(combuf, "%s%s %s > %s", c_oconv, ocopts,
538 vval(SCENE), vval(OCTREE));
539
540 if (runcom(combuf)) { /* run it */
541 fprintf(stderr,
542 "%s: error generating octree\n\t%s removed\n",
543 progname, vval(OCTREE));
544 unlink(vval(OCTREE));
545 quit(1);
546 }
547 }
548 octreedate = time((time_t *)NULL);
549 if (octreedate < scenedate) /* in case clock is off */
550 octreedate = scenedate;
551 }
552 if (oct1name == vval(OCTREE)) /* no mkillum? */
553 oct1date = octreedate > matdate ? octreedate : matdate;
554 if ((oct1date >= octreedate) & (oct1date >= matdate)
555 & (oct1date >= illumdate)) /* all done */
556 return;
557 /* make octree0 */
558 if ((oct0date < scenedate) | (oct0date < illumdate)) {
559 if (touchonly && oct0date)
560 touch(oct0name);
561 else { /* build command */
562 if (octreedate)
563 sprintf(combuf, "%s%s -i %s %s > %s", c_oconv,
564 ocopts, vval(OCTREE),
565 vval(ILLUM), oct0name);
566 else if (vdef(MATERIAL))
567 sprintf(combuf, "%s%s %s %s > %s", c_oconv,
568 ocopts, vval(MATERIAL),
569 vval(ILLUM), oct0name);
570 else
571 sprintf(combuf, "%s%s %s > %s", c_oconv,
572 ocopts, vval(ILLUM), oct0name);
573 if (runcom(combuf)) { /* run it */
574 fprintf(stderr,
575 "%s: error generating octree\n\t%s removed\n",
576 progname, oct0name);
577 unlink(oct0name);
578 quit(1);
579 }
580 }
581 oct0date = time((time_t *)NULL);
582 if (oct0date < octreedate) /* in case clock is off */
583 oct0date = octreedate;
584 if (oct0date < illumdate) /* ditto */
585 oct0date = illumdate;
586 }
587 if (touchonly && oct1date)
588 touch(oct1name);
589 else {
590 mkillumopts(mkopts); /* build mkillum command */
591 mktemp(illumtmp);
592 sprintf(combuf, "%s%s %s \"<\" %s > %s", c_mkillum, mkopts,
593 oct0name, vval(ILLUM), illumtmp);
594 if (runcom(combuf)) { /* run it */
595 fprintf(stderr, "%s: error running %s\n",
596 progname, c_mkillum);
597 unlink(illumtmp);
598 quit(1);
599 }
600 rmfile(oct0name);
601 /* make octree1 (frozen) */
602 if (octreedate)
603 sprintf(combuf, "%s%s -f -i %s %s > %s", c_oconv,
604 ocopts, vval(OCTREE), illumtmp, oct1name);
605 else if (vdef(MATERIAL))
606 sprintf(combuf, "%s%s -f %s %s > %s", c_oconv,
607 ocopts, vval(MATERIAL), illumtmp, oct1name);
608 else
609 sprintf(combuf, "%s%s -f %s > %s", c_oconv, ocopts,
610 illumtmp, oct1name);
611 if (runcom(combuf)) { /* run it */
612 fprintf(stderr,
613 "%s: error generating octree\n\t%s removed\n",
614 progname, oct1name);
615 unlink(oct1name);
616 unlink(illumtmp);
617 quit(1);
618 }
619 rmfile(illumtmp);
620 }
621 oct1date = time((time_t *)NULL);
622 if (oct1date < oct0date) /* in case clock is off */
623 oct1date = oct0date;
624 }
625
626
627 static void
628 mkpmap(void) /* run mkpmap if indicated */
629 {
630 char combuf[2048], *cp;
631 time_t tnow;
632 /* nothing to do? */
633 if ((pgmapname == NULL) | (pgmapdate >= oct1date) &&
634 (pcmapname == NULL) | (pcmapdate >= oct1date))
635 return;
636 /* just update existing file dates? */
637 if (touchonly && (pgmapname == NULL) | (pgmapdate > 0) &&
638 (pcmapname == NULL) | (pcmapdate > 0)) {
639 if (pgmapname != NULL)
640 touch(pgmapname);
641 if (pcmapname != NULL)
642 touch(pcmapname);
643 } else { /* else need to (re)run pkpmap */
644 strcpy(combuf, c_mkpmap);
645 for (cp = combuf; *cp; cp++)
646 ;
647 mkpmapopts(cp);
648 /* force file overwrite */
649 cp = addarg(cp, "-fo+");
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 (pgmapname != NULL && pgmapdate < oct1date) {
663 cp = addarg(cp, "-apg");
664 addarg(cp, vval(PGMAP));
665 cp = sskip(sskip(cp)); /* remove any bandwidth */
666 *cp = '\0';
667 }
668 if (pcmapname != NULL && pcmapdate < oct1date) {
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 && pgmapdate < oct1date)
679 unlink(pgmapname);
680 if (pcmapname != NULL && pcmapdate < oct1date)
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 if (vdef(PGMAP)) {
810 *op = '\0';
811 bw = sskip2(vval(PGMAP), 2);
812 atos(pmapf, sizeof(pmapf), vval(PGMAP));
813 op = addarg(addarg(op, "-ap"), pmapf);
814 if (atoi(bw) > 0) op = addarg(op, bw);
815 }
816 switch(vscale(QUALITY)) {
817 case LOW:
818 lowqopts(op, po);
819 break;
820 case MEDIUM:
821 medqopts(op, po);
822 break;
823 case HIGH:
824 hiqopts(op, po);
825 break;
826 }
827 if (vdef(PCMAP)) {
828 bw = sskip2(vval(PCMAP), 2);
829 atos(pmapf, sizeof(pmapf), vval(PCMAP));
830 op = addarg(addarg(op, "-ap"), pmapf);
831 if (atoi(bw) > 0) op = addarg(op, bw);
832 }
833 if (vdef(RENDER))
834 op = addarg(op, vval(RENDER));
835 if (rvdevice != NULL) {
836 if (vdef(RVU)) {
837 if (vval(RVU)[0] != '-') {
838 atos(c_rvu, sizeof(c_rvu), vval(RVU));
839 po = addarg(po, sskip2(vval(RVU), 1));
840 } else
841 po = addarg(po, vval(RVU));
842 }
843 } else {
844 if (vdef(RPICT)) {
845 if (vval(RPICT)[0] != '-') {
846 atos(c_rpict, sizeof(c_rpict), vval(RPICT));
847 po = addarg(po, sskip2(vval(RPICT), 1));
848 } else
849 po = addarg(po, vval(RPICT));
850 }
851 }
852 }
853
854
855 static void
856 lowqopts( /* low quality rendering options */
857 char *op,
858 char *po
859 )
860 {
861 double d, org[3], siz[3];
862
863 *op = '\0';
864 *po = '\0';
865 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
866 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
867 badvalue(ZONE);
868 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
869 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
870 badvalue(ZONE);
871 getoctcube(org, &d);
872 d *= 3./(siz[0]+siz[1]+siz[2]);
873 switch (vscale(DETAIL)) {
874 case LOW:
875 po = addarg(po, "-ps 16");
876 op = addarg(op, "-dp 64");
877 sprintf(op, " -ar %d", (int)(8*d));
878 op += strlen(op);
879 break;
880 case MEDIUM:
881 po = addarg(po, "-ps 8");
882 op = addarg(op, "-dp 128");
883 sprintf(op, " -ar %d", (int)(16*d));
884 op += strlen(op);
885 break;
886 case HIGH:
887 po = addarg(po, "-ps 4");
888 op = addarg(op, "-dp 256");
889 sprintf(op, " -ar %d", (int)(32*d));
890 op += strlen(op);
891 break;
892 }
893 po = addarg(po, "-pt .16");
894 if (vbool(PENUMBRAS))
895 op = addarg(op, "-ds .4");
896 else
897 op = addarg(op, "-ds 0");
898 op = addarg(op, "-dt .2 -dc .25 -dr 0 -ss 0 -st .5");
899 if (vdef(AMBFILE)) {
900 sprintf(op, " -af %s", vval(AMBFILE));
901 op += strlen(op);
902 } else
903 overture = 0;
904 switch (vscale(VARIABILITY)) {
905 case LOW:
906 op = addarg(op, "-aa .3 -ad 256");
907 break;
908 case MEDIUM:
909 op = addarg(op, "-aa .25 -ad 512");
910 break;
911 case HIGH:
912 op = addarg(op, "-aa .2 -ad 1024");
913 break;
914 }
915 op = addarg(op, "-as 0");
916 d = ambval();
917 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
918 op += strlen(op);
919 op = addarg(op, "-lr 6 -lw .003");
920 }
921
922
923 static void
924 medqopts( /* medium quality rendering options */
925 char *op,
926 char *po
927 )
928 {
929 double d, org[3], siz[3], asz;
930
931 *op = '\0';
932 *po = '\0';
933 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
934 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
935 badvalue(ZONE);
936 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
937 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
938 badvalue(ZONE);
939 getoctcube(org, &d);
940 asz = (siz[0]+siz[1]+siz[2])/3.;
941 d /= asz;
942 switch (vscale(DETAIL)) {
943 case LOW:
944 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
945 op = addarg(op, "-dp 256");
946 sprintf(op, " -ar %d", (int)(16*d));
947 op += strlen(op);
948 sprintf(op, " -ms %.2g", asz/20.);
949 op += strlen(op);
950 break;
951 case MEDIUM:
952 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
953 op = addarg(op, "-dp 512");
954 sprintf(op, " -ar %d", (int)(32*d));
955 op += strlen(op);
956 sprintf(op, " -ms %.2g", asz/40.);
957 op += strlen(op);
958 break;
959 case HIGH:
960 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
961 op = addarg(op, "-dp 1024");
962 sprintf(op, " -ar %d", (int)(64*d));
963 op += strlen(op);
964 sprintf(op, " -ms %.2g", asz/80.);
965 op += strlen(op);
966 break;
967 }
968 po = addarg(po, "-pt .08");
969 if (vbool(PENUMBRAS))
970 op = addarg(op, "-ds .2 -dj .9");
971 else
972 op = addarg(op, "-ds .3");
973 op = addarg(op, "-dt .1 -dc .5 -dr 1 -ss 1 -st .1");
974 if ( (overture = vint(INDIRECT)) ) {
975 sprintf(op, " -ab %d", overture);
976 op += strlen(op);
977 }
978 if (vdef(AMBFILE)) {
979 sprintf(op, " -af %s", vval(AMBFILE));
980 op += strlen(op);
981 } else
982 overture = 0;
983 switch (vscale(VARIABILITY)) {
984 case LOW:
985 op = addarg(op, "-aa .2 -ad 329 -as 42");
986 break;
987 case MEDIUM:
988 op = addarg(op, "-aa .15 -ad 800 -as 128");
989 break;
990 case HIGH:
991 op = addarg(op, "-aa .1 -ad 1536 -as 392");
992 break;
993 }
994 d = ambval();
995 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
996 op += strlen(op);
997 op = addarg(op, "-lr 8 -lw 1e-4");
998 }
999
1000
1001 static void
1002 hiqopts( /* high quality rendering options */
1003 char *op,
1004 char *po
1005 )
1006 {
1007 double d, org[3], siz[3], asz;
1008
1009 *op = '\0';
1010 *po = '\0';
1011 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
1012 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
1013 badvalue(ZONE);
1014 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
1015 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
1016 badvalue(ZONE);
1017 getoctcube(org, &d);
1018 asz = (siz[0]+siz[1]+siz[2])/3.;
1019 d /= asz;
1020 switch (vscale(DETAIL)) {
1021 case LOW:
1022 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
1023 op = addarg(op, "-dp 1024");
1024 sprintf(op, " -ar %d", (int)(32*d));
1025 op += strlen(op);
1026 sprintf(op, " -ms %.2g", asz/40.);
1027 op += strlen(op);
1028 break;
1029 case MEDIUM:
1030 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
1031 op = addarg(op, "-dp 2048");
1032 sprintf(op, " -ar %d", (int)(64*d));
1033 op += strlen(op);
1034 sprintf(op, " -ms %.2g", asz/80.);
1035 op += strlen(op);
1036 break;
1037 case HIGH:
1038 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
1039 op = addarg(op, "-dp 4096");
1040 sprintf(op, " -ar %d", (int)(128*d));
1041 op += strlen(op);
1042 sprintf(op, " -ms %.2g", asz/160.);
1043 op += strlen(op);
1044 break;
1045 }
1046 po = addarg(po, "-pt .04");
1047 if (vbool(PENUMBRAS))
1048 op = addarg(op, "-ds .1 -dj .9");
1049 else
1050 op = addarg(op, "-ds .2");
1051 op = addarg(op, "-dt .05 -dc .75 -dr 3 -ss 16 -st .01");
1052 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
1053 op += strlen(op);
1054 if (vdef(AMBFILE)) {
1055 sprintf(op, " -af %s", vval(AMBFILE));
1056 op += strlen(op);
1057 } else
1058 overture = 0;
1059 switch (vscale(VARIABILITY)) {
1060 case LOW:
1061 op = addarg(op, "-aa .125 -ad 512 -as 64");
1062 break;
1063 case MEDIUM:
1064 op = addarg(op, "-aa .1 -ad 1536 -as 768");
1065 break;
1066 case HIGH:
1067 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
1068 break;
1069 }
1070 d = ambval();
1071 sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1072 op += strlen(op);
1073 op = addarg(op, "-lr 12 -lw 1e-5");
1074 }
1075
1076
1077 #if defined(_WIN32) || defined(_WIN64)
1078 static void
1079 setenv( /* set an environment variable */
1080 char *vname,
1081 char *value
1082 )
1083 {
1084 char *evp;
1085
1086 evp = bmalloc(strlen(vname)+strlen(value)+2);
1087 if (evp == NULL)
1088 syserr(progname);
1089 sprintf(evp, "%s=%s", vname, value);
1090 if (putenv(evp) != 0) {
1091 fprintf(stderr, "%s: out of environment space\n", progname);
1092 quit(1);
1093 }
1094 if (!silent)
1095 printf("set %s\n", evp);
1096 }
1097 #endif
1098
1099
1100 static void
1101 xferopts( /* transfer options if indicated */
1102 char *ro
1103 )
1104 {
1105 int fd, n;
1106 char *cp;
1107
1108 n = strlen(ro);
1109 if (n < 2)
1110 return;
1111 if (vdef(OPTFILE)) {
1112 for (cp = ro; cp[1]; cp++)
1113 if (isspace(cp[1]) && (cp[2] == '@' ||
1114 (cp[2] == '-' && isalpha(cp[3]))))
1115 *cp = '\n';
1116 else
1117 *cp = cp[1];
1118 *cp = '\n';
1119 fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1120 if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1121 syserr(vval(OPTFILE));
1122 sprintf(ro, " @%s", vval(OPTFILE));
1123 }
1124 #if defined(_WIN32) || defined(_WIN64)
1125 else if (n > 50) {
1126 setenv("ROPT", ro+1);
1127 strcpy(ro, " $ROPT");
1128 }
1129 #endif
1130 }
1131
1132
1133 static void
1134 pfiltopts( /* get pfilt options */
1135 char *po
1136 )
1137 {
1138 *po = '\0';
1139 if (vdef(EXPOSURE)) {
1140 po = addarg(po, "-1 -e");
1141 po = addarg(po, vval(EXPOSURE));
1142 }
1143 switch (vscale(QUALITY)) {
1144 case MEDIUM:
1145 po = addarg(po, "-r .6");
1146 break;
1147 case HIGH:
1148 po = addarg(po, "-m .25");
1149 break;
1150 }
1151 if (vdef(PFILT)) {
1152 if (vval(PFILT)[0] != '-') {
1153 atos(c_pfilt, sizeof(c_pfilt), vval(PFILT));
1154 po = addarg(po, sskip2(vval(PFILT), 1));
1155 } else
1156 po = addarg(po, vval(PFILT));
1157 }
1158 }
1159
1160
1161 static int
1162 matchword( /* match white-delimited words */
1163 char *s1,
1164 char *s2
1165 )
1166 {
1167 while (isspace(*s1)) s1++;
1168 while (isspace(*s2)) s2++;
1169 while (*s1 && !isspace(*s1))
1170 if (*s1++ != *s2++)
1171 return(0);
1172 return(!*s2 || isspace(*s2));
1173 }
1174
1175
1176 static char *
1177 specview( /* get proper view spec from vs */
1178 char *vs
1179 )
1180 {
1181 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1182 "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1183 static char viewopts[128];
1184 char *cp;
1185 int xpos, ypos, zpos, viewtype, upax;
1186 int i;
1187 double cent[3], dim[3], mult, d;
1188
1189 if (vs == NULL || *vs == '-')
1190 return(vs);
1191 upax = 0; /* get the up vector */
1192 if (vdef(UP)) {
1193 if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1194 upax = 1-'X'+UPPER(vval(UP)[1]);
1195 else
1196 upax = 1-'X'+vlet(UP);
1197 if ((upax < 1) | (upax > 3))
1198 badvalue(UP);
1199 if (vval(UP)[0] == '-')
1200 upax = -upax;
1201 }
1202 /* check standard view names */
1203 xpos = ypos = zpos = 0;
1204 if (*vs == 'X') {
1205 xpos = 1; vs++;
1206 } else if (*vs == 'x') {
1207 xpos = -1; vs++;
1208 }
1209 if (*vs == 'Y') {
1210 ypos = 1; vs++;
1211 } else if (*vs == 'y') {
1212 ypos = -1; vs++;
1213 }
1214 if (*vs == 'Z') {
1215 zpos = 1; vs++;
1216 } else if (*vs == 'z') {
1217 zpos = -1; vs++;
1218 }
1219 switch (*vs) {
1220 case VT_PER:
1221 case VT_PAR:
1222 case VT_ANG:
1223 case VT_HEM:
1224 case VT_PLS:
1225 case VT_CYL:
1226 viewtype = *vs++;
1227 break;
1228 default:
1229 viewtype = VT_PER;
1230 break;
1231 }
1232 cp = viewopts;
1233 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1234 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1235 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1236 &cent[0], &dim[0], &cent[1], &dim[1],
1237 &cent[2], &dim[2]) != 6)
1238 badvalue(ZONE);
1239 for (i = 0; i < 3; i++) {
1240 dim[i] -= cent[i];
1241 if (dim[i] <= FTINY)
1242 badvalue(ZONE);
1243 cent[i] += .5*dim[i];
1244 }
1245 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1246 sprintf(cp, " -vp %.3g %.3g %.3g -vd %.3g %.3g %.3g",
1247 cent[0]+xpos*mult*dim[0],
1248 cent[1]+ypos*mult*dim[1],
1249 cent[2]+zpos*mult*dim[2],
1250 -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1251 cp += strlen(cp);
1252 /* redirect up axis if necessary */
1253 switch (upax) {
1254 case 3: /* plus or minus Z axis */
1255 case -3:
1256 case 0:
1257 if (!(xpos|ypos))
1258 upax = 2;
1259 break;
1260 case 2: /* plus or minus Y axis */
1261 case -2:
1262 if (!(xpos|zpos))
1263 upax = 1;
1264 break;
1265 case 1: /* plus or minus X axis */
1266 case -1:
1267 if (!(ypos|zpos))
1268 upax = 3;
1269 break;
1270 }
1271 cp = addarg(cp, vup[upax+3]);
1272 switch (viewtype) {
1273 case VT_PER:
1274 cp = addarg(cp, "-vh 45 -vv 45");
1275 break;
1276 case VT_PAR:
1277 d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1278 sprintf(cp, " -vh %.3g -vv %.3g", d, d);
1279 cp += strlen(cp);
1280 break;
1281 case VT_ANG:
1282 case VT_HEM:
1283 case VT_PLS:
1284 cp = addarg(cp, "-vh 180 -vv 180");
1285 break;
1286 case VT_CYL:
1287 cp = addarg(cp, "-vh 180 -vv 90");
1288 break;
1289 }
1290 } else {
1291 while (!isspace(*vs)) /* else skip id */
1292 if (!*vs++)
1293 return(NULL);
1294 if (upax) { /* prepend up vector */
1295 strcpy(cp, vup[upax+3]);
1296 cp += strlen(cp);
1297 }
1298 }
1299 if (cp == viewopts) /* append any additional options */
1300 vs++; /* skip prefixed space if unneeded */
1301 strcpy(cp, vs);
1302 #if defined(_WIN32) || defined(_WIN64)
1303 if (strlen(viewopts) > 40) {
1304 setenv("VIEW", viewopts);
1305 return("$VIEW");
1306 }
1307 #endif
1308 return(viewopts);
1309 }
1310
1311
1312 static char *
1313 getview( /* get view n, or NULL if none */
1314 int n,
1315 char *vn /* returned view name */
1316 )
1317 {
1318 char *mv;
1319
1320 if (viewselect != NULL) { /* command-line selected */
1321 if (n) /* only do one */
1322 return(NULL);
1323
1324 if (isint(viewselect)) { /* view number? */
1325 n = atoi(viewselect)-1;
1326 goto numview;
1327 }
1328 if (viewselect[0] == '-') { /* already specified */
1329 if (vn != NULL)
1330 strcpy(vn, "0");
1331 return(viewselect);
1332 }
1333 if (vn != NULL) {
1334 for (mv = viewselect; *mv && !isspace(*mv);
1335 *vn++ = *mv++)
1336 ;
1337 *vn = '\0';
1338 }
1339 /* check list */
1340 while ((mv = nvalue(VIEWS, n++)) != NULL)
1341 if (matchword(viewselect, mv))
1342 return(specview(mv));
1343
1344 return(specview(viewselect)); /* standard view? */
1345 }
1346 numview:
1347 mv = nvalue(VIEWS, n); /* use view n */
1348 if ((vn != NULL) & (mv != NULL)) {
1349 if (*mv != '-') {
1350 char *mv2 = mv;
1351 while (*mv2 && !isspace(*mv2))
1352 *vn++ = *mv2++;
1353 *vn = '\0';
1354 } else
1355 sprintf(vn, "%d", n+1);
1356 }
1357 return(specview(mv));
1358 }
1359
1360
1361 static int
1362 myprintview( /* print out selected view */
1363 char *vopts,
1364 FILE *fp
1365 )
1366 {
1367 VIEW vwr;
1368 char buf[128];
1369 char *cp;
1370 #if defined(_WIN32) || defined(_WIN64)
1371 /* XXX Should we allow something like this for all platforms? */
1372 /* XXX Or is it still required at all? */
1373 again:
1374 #endif
1375 if (vopts == NULL)
1376 return(-1);
1377 #if defined(_WIN32) || defined(_WIN64)
1378 if (vopts[0] == '$') {
1379 vopts = getenv(vopts+1);
1380 goto again;
1381 }
1382 #endif
1383 vwr = stdview;
1384 sscanview(&vwr, cp=vopts); /* set initial options */
1385 while ((cp = strstr(cp, "-vf ")) != NULL &&
1386 *atos(buf, sizeof(buf), cp += 4)) {
1387 viewfile(buf, &vwr, NULL); /* load -vf file */
1388 sscanview(&vwr, cp); /* reset tail */
1389 }
1390 fputs(VIEWSTR, fp);
1391 fprintview(&vwr, fp); /* print full spec. */
1392 fputc('\n', fp);
1393 return(0);
1394 }
1395
1396
1397 static void
1398 rvu( /* run rvu with first view */
1399 char *opts,
1400 char *po
1401 )
1402 {
1403 char *vw;
1404 char combuf[PATH_MAX];
1405 /* build command */
1406 if (touchonly || (vw = getview(0, NULL)) == NULL)
1407 return;
1408 if (sayview)
1409 myprintview(vw, stdout);
1410 sprintf(combuf, "%s %s%s%s -R %s ", c_rvu, vw, opts, po, rifname);
1411 if (nprocs > 1)
1412 sprintf(combuf+strlen(combuf), "-n %d ", nprocs);
1413 if (rvdevice != NULL)
1414 sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1415 if (vdef(EXPOSURE))
1416 sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1417 strcat(combuf, oct1name);
1418 if (runcom(combuf)) { /* run it */
1419 fprintf(stderr, "%s: error running %s\n", progname, c_rvu);
1420 quit(1);
1421 }
1422 }
1423
1424
1425 static int
1426 syncf_done( /* check if an rpiece sync file is complete */
1427 char *sfname
1428 )
1429 {
1430 FILE *fp = fopen(sfname, "r");
1431 int todo = 1;
1432 int x, y;
1433
1434 if (fp == NULL)
1435 return(0);
1436 if (fscanf(fp, "%d %d", &x, &y) != 2)
1437 goto checked;
1438 todo = x*y; /* total number of tiles */
1439 if (fscanf(fp, "%d %d", &x, &y) != 2 || (x != 0) | (y != 0))
1440 goto checked;
1441 /* XXX assume no redundant tiles */
1442 while (fscanf(fp, "%d %d", &x, &y) == 2)
1443 if (!--todo)
1444 break;
1445 checked:
1446 fclose(fp);
1447 return(!todo);
1448 }
1449
1450
1451 static void
1452 rpict( /* run rpict and pfilt for each view */
1453 char *opts,
1454 char *po
1455 )
1456 {
1457 #define do_rpiece (sfile[0]!='\0')
1458 char combuf[5*PATH_MAX+512];
1459 char rawfile[PATH_MAX], picfile[PATH_MAX];
1460 char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1461 char rppopt[32], sfile[PATH_MAX], *pfile = NULL;
1462 char pfopts[128];
1463 char vs[32], *vw;
1464 int vn, mult;
1465 FILE *fp;
1466 time_t rfdt, pfdt;
1467 int xres, yres;
1468 double aspect;
1469 int n;
1470 /* get pfilt options */
1471 pfiltopts(pfopts);
1472 /* get resolution, reporting */
1473 switch (vscale(QUALITY)) {
1474 case LOW:
1475 mult = 1;
1476 break;
1477 case MEDIUM:
1478 mult = 2;
1479 break;
1480 case HIGH:
1481 mult = 3;
1482 break;
1483 }
1484 n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1485 if (n == 3)
1486 sprintf(res, "-x %d -y %d -pa %.3f",
1487 mult*xres, mult*yres, aspect);
1488 else if (n) {
1489 aspect = 1.;
1490 if (n == 1) yres = xres;
1491 sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1492 } else
1493 badvalue(RESOLUTION);
1494 rep[0] = '\0';
1495 if (vdef(REPORT)) {
1496 double minutes;
1497 n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1498 if (n == 2)
1499 sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1500 else if (n == 1)
1501 sprintf(rep, " -t %d", (int)(minutes*60));
1502 else
1503 badvalue(REPORT);
1504 }
1505 /* set up parallel rendering */
1506 sfile[0] = '\0';
1507 if ((nprocs > 1) & !touchonly & !vdef(ZFILE) &&
1508 getview(0, vs) != NULL) {
1509 if (!strcmp(c_rpict, DEF_RPICT_PATH) &&
1510 getview(1, NULL) == NULL) {
1511 sprintf(sfile, "%s_%s_rpsync.txt",
1512 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE),
1513 vs);
1514 strcpy(rppopt, "-PP pfXXXXXX");
1515 } else {
1516 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1517 }
1518 pfile = rppopt + strlen(rppopt) - 8;
1519 if (mktemp(pfile) == NULL) {
1520 if (do_rpiece) {
1521 fprintf(stderr, "%s: cannot create\n", pfile);
1522 quit(1);
1523 }
1524 pfile[-5] = '\0';
1525 pfile = NULL;
1526 }
1527 }
1528 vn = 0; /* do each view */
1529 while ((vw = getview(vn++, vs)) != NULL) {
1530 if (sayview)
1531 myprintview(vw, stdout);
1532 sprintf(picfile, "%s_%s.hdr", vval(PICTURE), vs);
1533 if (vdef(ZFILE))
1534 sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1535 else
1536 zopt[0] = '\0';
1537 /* check date on picture */
1538 pfdt = fdate(picfile);
1539 if (pfdt >= oct1date)
1540 continue;
1541 /* get raw file name */
1542 sprintf(rawfile, "%s_%s.unf",
1543 vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1544 rfdt = fdate(rawfile);
1545 if (touchonly) { /* update times only */
1546 if (rfdt) {
1547 if (rfdt < oct1date)
1548 touch(rawfile);
1549 } else if (pfdt && pfdt < oct1date)
1550 touch(picfile);
1551 continue;
1552 }
1553 /* parallel running? */
1554 if (do_rpiece) {
1555 if (rfdt < oct1date || !fdate(sfile)) {
1556 int xdiv = 8+nprocs/3, ydiv = 8+nprocs/3;
1557 if (rfdt >= oct1date) {
1558 fprintf(stderr,
1559 "%s: partial output not created with %s\n", rawfile, c_rpiece);
1560 quit(1);
1561 }
1562 if (rfdt) { /* start fresh */
1563 rmfile(rawfile);
1564 rfdt = 0;
1565 }
1566 if (!silent)
1567 printf("\techo %d %d > %s\n",
1568 xdiv, ydiv, sfile);
1569 if ((fp = fopen(sfile, "w")) == NULL) {
1570 fprintf(stderr, "%s: cannot create\n",
1571 sfile);
1572 quit(1);
1573 }
1574 fprintf(fp, "%d %d\n", xdiv, ydiv);
1575 fclose(fp);
1576 }
1577 } else if (next_process(0)) {
1578 if (pfile != NULL)
1579 sleep(10);
1580 continue;
1581 } else if (!inchild())
1582 pfile = NULL;
1583 /* XXX Remember to call finish_process() */
1584 /* build rpict command */
1585 if (rfdt >= oct1date) { /* already in progress */
1586 if (do_rpiece) {
1587 sprintf(combuf, "%s -R %s %s%s %s %s%s%s -o %s %s",
1588 c_rpiece, sfile, rppopt, rep, vw,
1589 res, opts, po, rawfile, oct1name);
1590 while (next_process(1)) {
1591 sleep(10);
1592 combuf[strlen(c_rpiece)+2] = 'F';
1593 }
1594 } else
1595 sprintf(combuf, "%s%s%s%s%s -ro %s %s", c_rpict,
1596 rep, opts, po, zopt, rawfile, oct1name);
1597 if (runcom(combuf)) /* run rpict/rpiece */
1598 goto rperror;
1599 } else {
1600 if (overture) { /* run overture calculation */
1601 sprintf(combuf,
1602 "%s%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1603 c_rpict, rep, vw, opts,
1604 oct1name, overfile);
1605 if (!do_rpiece || !next_process(0)) {
1606 if (runcom(combuf)) {
1607 fprintf(stderr,
1608 "%s: error in overture for view %s\n",
1609 progname, vs);
1610 quit(1);
1611 }
1612 #ifndef NULL_DEVICE
1613 rmfile(overfile);
1614 #endif
1615 } else if (do_rpiece)
1616 sleep(20);
1617 }
1618 if (do_rpiece) {
1619 sprintf(combuf, "%s -F %s %s%s %s %s%s%s -o %s %s",
1620 c_rpiece, sfile, rppopt, rep, vw,
1621 res, opts, po, rawfile, oct1name);
1622 while (next_process(1))
1623 sleep(10);
1624 } else {
1625 sprintf(combuf, "%s%s %s %s%s%s%s %s > %s",
1626 c_rpict, rep, vw, res, opts, po,
1627 zopt, oct1name, rawfile);
1628 }
1629 if ((pfile != NULL) & !do_rpiece) {
1630 if (!silent)
1631 printf("\t%s\n", combuf);
1632 fflush(stdout);
1633 sprintf(combuf, "%s%s %s %s%s%s %s > %s",
1634 c_rpict, rep, rppopt, res,
1635 opts, po, oct1name, rawfile);
1636 fp = popen(combuf, "w");
1637 if (fp == NULL)
1638 goto rperror;
1639 myprintview(vw, fp);
1640 if (pclose(fp))
1641 goto rperror;
1642 } else if (runcom(combuf))
1643 goto rperror;
1644 }
1645 if (do_rpiece) { /* need to finish raw, first */
1646 finish_process();
1647 wait_process(1);
1648 if (!syncf_done(sfile)) {
1649 fprintf(stderr,
1650 "%s: %s did not complete rendering of view %s\n",
1651 progname, c_rpiece, vs);
1652 quit(1);
1653 }
1654 }
1655 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1656 /* build pfilt command */
1657 if (do_rpiece)
1658 sprintf(combuf,
1659 "%s%s -x %d -y %d -p %.3f %s > %s",
1660 c_pfilt, pfopts, xres, yres, aspect,
1661 rawfile, picfile);
1662 else if (mult > 1)
1663 sprintf(combuf, "%s%s -x /%d -y /%d %s > %s",
1664 c_pfilt, pfopts, mult, mult,
1665 rawfile, picfile);
1666 else
1667 sprintf(combuf, "%s%s %s > %s", c_pfilt,
1668 pfopts, rawfile, picfile);
1669 if (runcom(combuf)) { /* run pfilt */
1670 fprintf(stderr,
1671 "%s: error filtering view %s\n\t%s removed\n",
1672 progname, vs, picfile);
1673 unlink(picfile);
1674 quit(1);
1675 }
1676 }
1677 /* remove/rename raw file */
1678 if (vdef(RAWFILE)) {
1679 sprintf(combuf, "%s_%s.hdr", vval(RAWFILE), vs);
1680 mvfile(rawfile, combuf);
1681 } else
1682 rmfile(rawfile);
1683 if (do_rpiece) /* done with sync file */
1684 rmfile(sfile);
1685 else
1686 finish_process(); /* exit if child */
1687 }
1688 wait_process(1); /* wait for children to finish */
1689 if (pfile != NULL) { /* clean up persistent rpict */
1690 RT_PID pid;
1691 fp = fopen(pfile, "r");
1692 if (fp != NULL) {
1693 if (fscanf(fp, "%*s %d", &pid) != 1 ||
1694 kill(pid, 1) < 0)
1695 unlink(pfile);
1696 fclose(fp);
1697 }
1698 }
1699 return;
1700 rperror:
1701 fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1702 quit(1);
1703 #undef do_rpiece
1704 }
1705
1706
1707 static int
1708 touch( /* update a file */
1709 char *fn
1710 )
1711 {
1712 if (!silent)
1713 printf("\ttouch %s\n", fn);
1714 if (!nprocs)
1715 return(0);
1716 return(setfdate(fn, time((time_t *)NULL)));
1717 }
1718
1719
1720 static int
1721 runcom( /* run command */
1722 char *cs
1723 )
1724 {
1725 if (!silent) /* echo it */
1726 printf("\t%s\n", cs);
1727 if (!nprocs)
1728 return(0);
1729 fflush(NULL); /* flush output and pass to shell */
1730 return(system(cs));
1731 }
1732
1733
1734 static int
1735 rmfile( /* remove a file */
1736 char *fn
1737 )
1738 {
1739 if (!silent)
1740 printf("\t%s %s\n", DELCMD, fn);
1741 if (!nprocs)
1742 return(0);
1743 return(unlink(fn));
1744 }
1745
1746
1747 static int
1748 mvfile( /* move a file */
1749 char *fold,
1750 char *fnew
1751 )
1752 {
1753 if (!silent)
1754 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1755 if (!nprocs)
1756 return(0);
1757 return(rename(fold, fnew));
1758 }
1759
1760
1761 #ifdef RHAS_FORK_EXEC
1762 static int
1763 next_process(int reserve) /* fork the next process */
1764 {
1765 RT_PID child_pid;
1766
1767 if (nprocs <= 1)
1768 return(0); /* it's us or no one */
1769 if (inchild()) {
1770 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1771 progname);
1772 quit(1);
1773 }
1774 if (reserve > 0 && children_running >= nprocs-reserve)
1775 return(0); /* caller holding back process(es) */
1776 if (children_running >= nprocs)
1777 wait_process(0); /* wait for someone to finish */
1778 fflush(NULL); /* flush output */
1779 child_pid = fork(); /* split process */
1780 if (child_pid == 0) { /* we're the child */
1781 children_running = -1;
1782 nprocs = 1;
1783 return(0);
1784 }
1785 if (child_pid > 0) { /* we're the parent */
1786 ++children_running;
1787 return(1);
1788 }
1789 fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1790 return(0);
1791 }
1792
1793 static void
1794 wait_process( /* wait for process(es) to finish */
1795 int all
1796 )
1797 {
1798 int ourstatus = 0, status;
1799 RT_PID pid;
1800
1801 if (all)
1802 all = children_running;
1803 else if (children_running > 0)
1804 all = 1;
1805 while (all-- > 0) {
1806 pid = wait(&status);
1807 if (pid < 0)
1808 syserr(progname);
1809 status = status>>8 & 0xff;
1810 --children_running;
1811 if (status != 0) { /* child's problem is our problem */
1812 if ((ourstatus == 0) & (children_running > 0))
1813 fprintf(stderr, "%s: waiting for remaining processes\n",
1814 progname);
1815 ourstatus = status;
1816 all = children_running;
1817 }
1818 }
1819 if (ourstatus != 0)
1820 quit(ourstatus); /* bad status from child */
1821 }
1822 #else /* ! RHAS_FORK_EXEC */
1823 static int
1824 next_process(int reserve)
1825 {
1826 return(0); /* cannot start new process */
1827 }
1828 static void
1829 wait_process(all)
1830 int all;
1831 {
1832 (void)all; /* no one to wait for */
1833 }
1834 int
1835 kill(pid, sig) /* win|unix_process.c should also wait and kill */
1836 RT_PID pid;
1837 int sig;
1838 {
1839 return 0;
1840 }
1841 #endif /* ! RHAS_FORK_EXEC */
1842
1843 static void
1844 finish_process(void) /* exit a child process */
1845 {
1846 if (!inchild())
1847 return; /* in parent -- noop */
1848 exit(0);
1849 }
1850
1851
1852 static void
1853 badvalue( /* report bad variable value and exit */
1854 int vc
1855 )
1856 {
1857 fprintf(stderr, "%s: bad value for variable '%s'\n",
1858 progname, vnam(vc));
1859 quit(1);
1860 }
1861
1862
1863 static void
1864 syserr( /* report a system error and exit */
1865 char *s
1866 )
1867 {
1868 perror(s);
1869 quit(1);
1870 }
1871
1872
1873 void
1874 quit(ec) /* exit program */
1875 int ec;
1876 {
1877 exit(ec);
1878 }