ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/radiance/ray/src/util/rad.c
Revision: 2.46
Committed: Tue Nov 7 18:22:24 1995 UTC (28 years, 4 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.45: +4 -3 lines
Log Message:
forgot to remove illumtmp file upon oconv failure
increased command line length for oconv and getbbox in the case of many files

File Contents

# User Rev Content
1 greg 2.46 /* Copyright (c) 1995 Regents of the University of California */
2 greg 2.1
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * Executive program for oconv, rpict and pfilt
9     */
10    
11     #include "standard.h"
12     #include "paths.h"
13     #include <ctype.h>
14 greg 2.35 #include <sys/types.h>
15 greg 2.1
16    
17     typedef struct {
18     char *name; /* variable name */
19     short nick; /* # characters required for nickname */
20     short nass; /* # assignments made */
21     char *value; /* assigned value(s) */
22     int (*fixval)(); /* assignment checking function */
23     } VARIABLE;
24    
25 greg 2.30 int onevalue(), catvalues(), boolvalue(),
26     qualvalue(), fltvalue(), intvalue();
27 greg 2.1
28     /* variables */
29     #define OBJECT 0 /* object files */
30     #define SCENE 1 /* scene files */
31     #define MATERIAL 2 /* material files */
32 greg 2.26 #define ILLUM 3 /* mkillum input files */
33     #define MKILLUM 4 /* mkillum options */
34     #define RENDER 5 /* rendering options */
35     #define OCONV 6 /* oconv options */
36     #define PFILT 7 /* pfilt options */
37     #define VIEW 8 /* view(s) for picture(s) */
38     #define ZONE 9 /* simulation zone */
39     #define QUALITY 10 /* desired rendering quality */
40     #define OCTREE 11 /* octree file name */
41 greg 2.45 #define PICTURE 12 /* picture file root name */
42 greg 2.26 #define AMBFILE 13 /* ambient file name */
43     #define OPTFILE 14 /* rendering options file */
44     #define EXPOSURE 15 /* picture exposure setting */
45     #define RESOLUTION 16 /* maximum picture resolution */
46     #define UP 17 /* view up (X, Y or Z) */
47     #define INDIRECT 18 /* indirection in lighting */
48     #define DETAIL 19 /* level of scene detail */
49     #define PENUMBRAS 20 /* shadow penumbras are desired */
50     #define VARIABILITY 21 /* level of light variability */
51     #define REPORT 22 /* report frequency and errfile */
52 greg 2.45 #define RAWFILE 23 /* raw picture file root name */
53     #define ZFILE 24 /* distance file root name */
54 greg 2.1 /* total number of variables */
55 greg 2.45 #define NVARS 25
56 greg 2.1
57     VARIABLE vv[NVARS] = { /* variable-value pairs */
58     {"objects", 3, 0, NULL, catvalues},
59     {"scene", 3, 0, NULL, catvalues},
60     {"materials", 3, 0, NULL, catvalues},
61 greg 2.26 {"illum", 3, 0, NULL, catvalues},
62     {"mkillum", 3, 0, NULL, catvalues},
63 greg 2.1 {"render", 3, 0, NULL, catvalues},
64     {"oconv", 3, 0, NULL, catvalues},
65     {"pfilt", 2, 0, NULL, catvalues},
66     {"view", 2, 0, NULL, NULL},
67     {"ZONE", 2, 0, NULL, onevalue},
68 greg 2.30 {"QUALITY", 3, 0, NULL, qualvalue},
69 greg 2.1 {"OCTREE", 3, 0, NULL, onevalue},
70     {"PICTURE", 3, 0, NULL, onevalue},
71     {"AMBFILE", 3, 0, NULL, onevalue},
72     {"OPTFILE", 3, 0, NULL, onevalue},
73 greg 2.30 {"EXPOSURE", 3, 0, NULL, fltvalue},
74 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
75     {"UP", 2, 0, NULL, onevalue},
76 greg 2.30 {"INDIRECT", 3, 0, NULL, intvalue},
77     {"DETAIL", 3, 0, NULL, qualvalue},
78     {"PENUMBRAS", 3, 0, NULL, boolvalue},
79     {"VARIABILITY", 3, 0, NULL, qualvalue},
80 greg 2.1 {"REPORT", 3, 0, NULL, onevalue},
81 greg 2.45 {"RAWFILE", 3, 0, NULL, onevalue},
82     {"ZFILE", 2, 0, NULL, onevalue},
83 greg 2.1 };
84    
85     VARIABLE *matchvar();
86     char *nvalue();
87    
88 greg 2.3 #define UPPER(c) ((c)&~0x20) /* ASCII trick */
89    
90 greg 2.1 #define vnam(vc) (vv[vc].name)
91     #define vdef(vc) (vv[vc].nass)
92     #define vval(vc) (vv[vc].value)
93     #define vint(vc) atoi(vval(vc))
94 greg 2.3 #define vlet(vc) UPPER(vval(vc)[0])
95 greg 2.30 #define vscale vlet
96 greg 2.1 #define vbool(vc) (vlet(vc)=='T')
97    
98 greg 2.30 #define HIGH 'H'
99     #define MEDIUM 'M'
100     #define LOW 'L'
101 greg 2.1
102 greg 2.6 /* overture calculation file */
103     #ifdef NIX
104 greg 2.45 char overfile[] = "overture.unf";
105 greg 2.6 #else
106     char overfile[] = "/dev/null";
107     #endif
108    
109 greg 2.35 extern time_t fdate(), time();
110 greg 2.1
111 greg 2.35 time_t scenedate; /* date of latest scene or object file */
112     time_t octreedate; /* date of octree */
113     time_t matdate; /* date of latest material file */
114     time_t illumdate; /* date of last illum file */
115 greg 2.1
116 greg 2.26 char *oct0name; /* name of pre-mkillum octree */
117 greg 2.35 time_t oct0date; /* date of pre-mkillum octree */
118 greg 2.26 char *oct1name; /* name of post-mkillum octree */
119 greg 2.35 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
120 greg 2.26
121 greg 2.37 int nowarn = 0; /* no warnings */
122 greg 2.1 int explicate = 0; /* explicate variables */
123     int silent = 0; /* do work silently */
124 greg 2.41 int touchonly = 0; /* touch files only */
125 greg 2.1 int noaction = 0; /* don't do anything */
126 greg 2.21 int sayview = 0; /* print view out */
127 greg 2.1 char *rvdevice = NULL; /* rview output device */
128     char *viewselect = NULL; /* specific view only */
129    
130     int overture = 0; /* overture calculation needed */
131    
132     char *progname; /* global argv[0] */
133 greg 2.22 char *rifname; /* global rad input file name */
134 greg 2.1
135     char radname[MAXPATH]; /* root Radiance file name */
136    
137    
138     main(argc, argv)
139     int argc;
140     char *argv[];
141     {
142     char ropts[512];
143 greg 2.38 char popts[64];
144 greg 2.1 int i;
145    
146     progname = argv[0];
147     /* get options */
148     for (i = 1; i < argc && argv[i][0] == '-'; i++)
149     switch (argv[i][1]) {
150     case 's':
151     silent++;
152     break;
153     case 'n':
154     noaction++;
155     break;
156 greg 2.41 case 't':
157     touchonly++;
158     break;
159 greg 2.1 case 'e':
160     explicate++;
161     break;
162     case 'o':
163     rvdevice = argv[++i];
164     break;
165 greg 2.20 case 'V':
166 greg 2.21 sayview++;
167     break;
168 greg 2.1 case 'v':
169     viewselect = argv[++i];
170     break;
171 greg 2.37 case 'w':
172     nowarn++;
173     break;
174 greg 2.1 default:
175     goto userr;
176     }
177     if (i >= argc)
178     goto userr;
179 greg 2.22 rifname = argv[i];
180 greg 2.1 /* assign Radiance root file name */
181 greg 2.22 rootname(radname, rifname);
182 greg 2.1 /* load variable values */
183 greg 2.22 load(rifname);
184 greg 2.1 /* get any additional assignments */
185     for (i++; i < argc; i++)
186     setvariable(argv[i]);
187     /* check assignments */
188     checkvalues();
189     /* check files and dates */
190     checkfiles();
191     /* set default values as necessary */
192     setdefaults();
193     /* print all values if requested */
194     if (explicate)
195     printvals();
196 greg 2.26 /* build octree (and run mkillum) */
197 greg 2.7 oconv();
198     /* check date on ambient file */
199     checkambfile();
200 greg 2.1 /* run simulation */
201 greg 2.38 renderopts(ropts, popts);
202 greg 2.1 xferopts(ropts);
203     if (rvdevice != NULL)
204 greg 2.38 rview(ropts, popts);
205 greg 2.1 else
206 greg 2.38 rpict(ropts, popts);
207 greg 2.1 exit(0);
208     userr:
209     fprintf(stderr,
210 greg 2.41 "Usage: %s [-s][-n][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
211 greg 2.1 progname);
212     exit(1);
213     }
214    
215    
216     rootname(rn, fn) /* remove tail from end of fn */
217     register char *rn, *fn;
218     {
219     char *tp, *dp;
220    
221     for (tp = NULL, dp = rn; *rn = *fn++; rn++)
222     if (ISDIRSEP(*rn))
223     dp = rn;
224     else if (*rn == '.')
225     tp = rn;
226     if (tp != NULL && tp > dp)
227     *tp = '\0';
228     }
229    
230    
231 greg 2.25 #define NOCHAR 127 /* constant for character to delete */
232    
233    
234 greg 2.1 load(rfname) /* load Radiance simulation file */
235     char *rfname;
236     {
237     FILE *fp;
238 greg 2.4 char buf[512];
239 greg 2.1 register char *cp;
240    
241     if (rfname == NULL)
242     fp = stdin;
243 greg 2.3 else if ((fp = fopen(rfname, "r")) == NULL)
244     syserr(rfname);
245 greg 2.1 while (fgetline(buf, sizeof(buf), fp) != NULL) {
246     for (cp = buf; *cp; cp++) {
247     switch (*cp) {
248     case '\\':
249 greg 2.25 *cp++ = NOCHAR;
250 greg 2.1 continue;
251     case '#':
252     *cp = '\0';
253     break;
254 greg 2.4 default:
255     continue;
256 greg 2.1 }
257     break;
258     }
259     setvariable(buf);
260     }
261     fclose(fp);
262     }
263    
264    
265     setvariable(ass) /* assign variable according to string */
266     register char *ass;
267     {
268     char varname[32];
269 greg 2.25 int n;
270 greg 2.1 register char *cp;
271     register VARIABLE *vp;
272     register int i;
273    
274     while (isspace(*ass)) /* skip leading space */
275     ass++;
276     cp = varname; /* extract name */
277     while (cp < varname+sizeof(varname)-1
278     && *ass && !isspace(*ass) && *ass != '=')
279     *cp++ = *ass++;
280     *cp = '\0';
281     if (!varname[0])
282     return; /* no variable name! */
283     /* trim value */
284     while (isspace(*ass) || *ass == '=')
285     ass++;
286 greg 2.25 for (n = strlen(ass); n > 0; n--)
287     if (!isspace(ass[n-1]))
288     break;
289 greg 2.37 if (!n && !nowarn) {
290 greg 2.1 fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
291     progname, varname);
292     return;
293     }
294     /* match variable from list */
295     vp = matchvar(varname);
296     if (vp == NULL) {
297     fprintf(stderr, "%s: unknown variable '%s'\n",
298     progname, varname);
299     exit(1);
300     }
301     /* assign new value */
302 greg 2.4 if (i = vp->nass) {
303     cp = vp->value;
304     while (i--)
305     while (*cp++)
306     ;
307     i = cp - vp->value;
308     vp->value = realloc(vp->value, i+n+1);
309     } else
310     vp->value = malloc(n+1);
311 greg 2.3 if (vp->value == NULL)
312     syserr(progname);
313 greg 2.25 cp = vp->value+i; /* copy value, squeezing spaces */
314     *cp = *ass;
315     for (i = 1; i <= n; i++) {
316     if (ass[i] == NOCHAR)
317     continue;
318     if (isspace(*cp))
319     while (isspace(ass[i]))
320     i++;
321     *++cp = ass[i];
322     }
323 greg 2.26 if (isspace(*cp)) /* remove trailing space */
324     *cp = '\0';
325 greg 2.1 vp->nass++;
326     }
327    
328    
329     VARIABLE *
330     matchvar(nam) /* match a variable by its name */
331     char *nam;
332     {
333     int n = strlen(nam);
334     register int i;
335    
336     for (i = 0; i < NVARS; i++)
337     if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
338     return(vv+i);
339     return(NULL);
340     }
341    
342    
343     char *
344     nvalue(vp, n) /* return nth variable value */
345     VARIABLE *vp;
346     register int n;
347     {
348     register char *cp;
349    
350 greg 2.19 if (vp == NULL | n < 0 | n >= vp->nass)
351 greg 2.1 return(NULL);
352     cp = vp->value;
353     while (n--)
354     while (*cp++)
355     ;
356     return(cp);
357     }
358    
359    
360     checkvalues() /* check assignments */
361     {
362     register int i;
363    
364     for (i = 0; i < NVARS; i++)
365     if (vv[i].fixval != NULL)
366     (*vv[i].fixval)(vv+i);
367     }
368    
369    
370     onevalue(vp) /* only one assignment for this variable */
371     register VARIABLE *vp;
372     {
373     if (vp->nass < 2)
374     return;
375 greg 2.37 if (!nowarn)
376     fprintf(stderr,
377     "%s: warning - multiple assignment of variable '%s'\n",
378 greg 2.1 progname, vp->name);
379 greg 2.2 do
380 greg 2.1 vp->value += strlen(vp->value)+1;
381 greg 2.2 while (--vp->nass > 1);
382 greg 2.1 }
383    
384    
385     catvalues(vp) /* concatenate variable values */
386     register VARIABLE *vp;
387     {
388     register char *cp;
389    
390     if (vp->nass < 2)
391     return;
392     for (cp = vp->value; vp->nass > 1; vp->nass--) {
393     while (*cp)
394     cp++;
395     *cp++ = ' ';
396     }
397     }
398    
399    
400 greg 2.30 int
401     badmatch(tv, cv) /* case insensitive truncated comparison */
402     register char *tv, *cv;
403     {
404     if (!*tv) return(1); /* null string cannot match */
405     do
406     if (UPPER(*tv) != *cv++)
407     return(1);
408     while (*++tv);
409     return(0); /* OK */
410     }
411    
412    
413     boolvalue(vp) /* check boolean for legal values */
414     register VARIABLE *vp;
415     {
416     if (!vp->nass) return;
417     onevalue(vp);
418     switch (UPPER(vp->value[0])) {
419     case 'T':
420     if (badmatch(vp->value, "TRUE")) break;
421     return;
422     case 'F':
423     if (badmatch(vp->value, "FALSE")) break;
424     return;
425     }
426     fprintf(stderr, "%s: illegal value for boolean variable '%s'\n",
427     progname, vp->name);
428     exit(1);
429     }
430    
431    
432     qualvalue(vp) /* check qualitative var. for legal values */
433     register VARIABLE *vp;
434     {
435     if (!vp->nass) return;
436     onevalue(vp);
437     switch (UPPER(vp->value[0])) {
438     case 'L':
439     if (badmatch(vp->value, "LOW")) break;
440     return;
441     case 'M':
442     if (badmatch(vp->value, "MEDIUM")) break;
443     return;
444     case 'H':
445     if (badmatch(vp->value, "HIGH")) break;
446     return;
447     }
448     fprintf(stderr, "%s: illegal value for qualitative variable '%s'\n",
449     progname, vp->name);
450     exit(1);
451     }
452    
453    
454     intvalue(vp) /* check integer variable for legal values */
455     register VARIABLE *vp;
456     {
457     if (!vp->nass) return;
458     onevalue(vp);
459     if (isint(vp->value)) return;
460     fprintf(stderr, "%s: illegal value for integer variable '%s'\n",
461     progname, vp->name);
462     exit(1);
463     }
464    
465    
466     fltvalue(vp) /* check float variable for legal values */
467     register VARIABLE *vp;
468     {
469     if (!vp->nass) return;
470     onevalue(vp);
471     if (isflt(vp->value)) return;
472     fprintf(stderr, "%s: illegal value for real variable '%s'\n",
473     progname, vp->name);
474     exit(1);
475     }
476    
477    
478 greg 2.35 time_t
479 greg 2.1 checklast(fnames) /* check files and find most recent */
480     register char *fnames;
481     {
482     char thisfile[MAXPATH];
483 greg 2.35 time_t thisdate, lastdate = 0;
484 greg 2.1 register char *cp;
485    
486 greg 2.26 if (fnames == NULL)
487     return(0);
488 greg 2.1 while (*fnames) {
489     while (isspace(*fnames)) fnames++;
490     cp = thisfile;
491 greg 2.4 while (*fnames && !isspace(*fnames))
492     *cp++ = *fnames++;
493 greg 2.1 *cp = '\0';
494 greg 2.26 if (!(thisdate = fdate(thisfile)))
495 greg 2.3 syserr(thisfile);
496 greg 2.1 if (thisdate > lastdate)
497     lastdate = thisdate;
498     }
499     return(lastdate);
500     }
501    
502    
503 greg 2.26 char *
504     newfname(orig, pred) /* create modified file name */
505     char *orig;
506     int pred;
507     {
508     extern char *rindex();
509     register char *cp;
510     register int n;
511     int suffix;
512    
513 greg 2.27 n = 0; cp = orig; suffix = -1; /* suffix position, length */
514     while (*cp) {
515     if (*cp == '.') suffix = n;
516     else if (ISDIRSEP(*cp)) suffix = -1;
517     cp++; n++;
518     }
519     if (suffix == -1) suffix = n;
520 greg 2.26 if ((cp = bmalloc(n+2)) == NULL)
521     syserr(progname);
522     strncpy(cp, orig, suffix);
523     cp[suffix] = pred; /* root name + pred + suffix */
524     strcpy(cp+suffix+1, orig+suffix);
525     return(cp);
526     }
527    
528    
529 greg 2.1 checkfiles() /* check for existence and modified times */
530     {
531 greg 2.35 time_t objdate;
532 greg 2.1
533 greg 2.2 if (!vdef(OCTREE)) {
534 greg 2.26 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
535 greg 2.3 syserr(progname);
536 greg 2.26 sprintf(vval(OCTREE), "%s.oct", radname);
537 greg 2.2 vdef(OCTREE)++;
538     }
539     octreedate = fdate(vval(OCTREE));
540 greg 2.26 if (vdef(ILLUM)) { /* illum requires secondary octrees */
541     oct0name = newfname(vval(OCTREE), '0');
542     oct1name = newfname(vval(OCTREE), '1');
543     oct0date = fdate(oct0name);
544     oct1date = fdate(oct1name);
545     } else
546     oct0name = oct1name = vval(OCTREE);
547     if ((scenedate = checklast(vval(SCENE))) &&
548     (objdate = checklast(vval(OBJECT))) > scenedate)
549     scenedate = objdate;
550     illumdate = checklast(vval(ILLUM));
551     if (!octreedate & !scenedate & !illumdate) {
552     fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
553     vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
554 greg 2.1 exit(1);
555     }
556 greg 2.26 matdate = checklast(vval(MATERIAL));
557 greg 2.1 }
558    
559    
560 greg 2.2 getoctcube(org, sizp) /* get octree bounding cube */
561     double org[3], *sizp;
562 greg 2.1 {
563 greg 2.2 extern FILE *popen();
564     static double oorg[3], osiz = 0.;
565 greg 2.26 double min[3], max[3];
566 greg 2.46 char buf[1024];
567 greg 2.1 FILE *fp;
568 greg 2.26 register int i;
569 greg 2.1
570 greg 2.26 if (osiz <= FTINY)
571     if (noaction && fdate(oct1name) <
572     (scenedate>illumdate?scenedate:illumdate)) {
573     /* run getbbox */
574     sprintf(buf, "getbbox -w -h %s",
575     vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
576     if ((fp = popen(buf, "r")) == NULL)
577     syserr("getbbox");
578     if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
579     &min[0], &max[0], &min[1], &max[1],
580     &min[2], &max[2]) != 6) {
581     fprintf(stderr,
582     "%s: error reading bounding box from getbbox\n",
583     progname);
584     exit(1);
585     }
586     for (i = 0; i < 3; i++)
587     if (max[i] - min[i] > osiz)
588     osiz = max[i] - min[i];
589     for (i = 0; i < 3; i++)
590     oorg[i] = (max[i]+min[i]-osiz)*.5;
591     pclose(fp);
592     } else { /* from octree */
593     oconv(); /* does nothing if done already */
594     sprintf(buf, "getinfo -d < %s", oct1name);
595     if ((fp = popen(buf, "r")) == NULL)
596     syserr("getinfo");
597     if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
598     &oorg[2], &osiz) != 4) {
599     fprintf(stderr,
600 greg 2.2 "%s: error reading bounding cube from getinfo\n",
601 greg 2.26 progname);
602     exit(1);
603     }
604     pclose(fp);
605 greg 2.2 }
606     org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
607     }
608    
609    
610     setdefaults() /* set default values for unassigned var's */
611     {
612     double org[3], size;
613     char buf[128];
614    
615 greg 2.1 if (!vdef(ZONE)) {
616 greg 2.2 getoctcube(org, &size);
617     sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
618     org[1], org[1]+size, org[2], org[2]+size);
619 greg 2.1 vval(ZONE) = savqstr(buf);
620     vdef(ZONE)++;
621     }
622     if (!vdef(INDIRECT)) {
623     vval(INDIRECT) = "0";
624     vdef(INDIRECT)++;
625     }
626     if (!vdef(QUALITY)) {
627     vval(QUALITY) = "L";
628     vdef(QUALITY)++;
629     }
630     if (!vdef(RESOLUTION)) {
631     vval(RESOLUTION) = "512";
632     vdef(RESOLUTION)++;
633     }
634     if (!vdef(PICTURE)) {
635     vval(PICTURE) = radname;
636     vdef(PICTURE)++;
637     }
638     if (!vdef(VIEW)) {
639     vval(VIEW) = "X";
640     vdef(VIEW)++;
641     }
642     if (!vdef(DETAIL)) {
643     vval(DETAIL) = "M";
644     vdef(DETAIL)++;
645     }
646     if (!vdef(PENUMBRAS)) {
647     vval(PENUMBRAS) = "F";
648     vdef(PENUMBRAS)++;
649     }
650     if (!vdef(VARIABILITY)) {
651     vval(VARIABILITY) = "L";
652     vdef(VARIABILITY)++;
653     }
654     }
655    
656    
657     printvals() /* print variable values */
658     {
659 greg 2.36 int i, j, clipline;
660     register char *cp;
661     register int k;
662 greg 2.1
663 greg 2.36 for (i = 0; i < NVARS; i++) /* print each variable */
664     for (j = 0; j < vdef(i); j++) { /* print each assignment */
665     fputs(vnam(i), stdout);
666     fputs("= ", stdout);
667     k = clipline = ( vv[i].fixval == catvalues ? 64 : 320 )
668     - strlen(vnam(i)) ;
669     cp = nvalue(vv+i, j);
670     while (*cp) {
671     putchar(*cp++);
672     if (--k <= 0) { /* line too long */
673     while (*cp && !isspace(*cp))
674     putchar(*cp++); /* finish this word */
675     if (*cp) { /* start new line */
676     putchar('\n');
677     fputs(vnam(i), stdout);
678     putchar('=');
679     k = clipline;
680     }
681     }
682     }
683     putchar('\n');
684     }
685 greg 2.1 fflush(stdout);
686     }
687    
688    
689 greg 2.26 oconv() /* run oconv and mkillum if necessary */
690 greg 2.1 {
691 greg 2.26 static char illumtmp[] = "ilXXXXXX";
692 greg 2.46 char combuf[1024], ocopts[64], mkopts[64];
693 greg 2.1
694 greg 2.26 oconvopts(ocopts); /* get options */
695     if (octreedate < scenedate) { /* check date on original octree */
696 greg 2.41 if (touchonly && octreedate)
697     touch(vval(OCTREE));
698     else { /* build command */
699     if (vdef(MATERIAL))
700     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
701     vval(MATERIAL), vval(SCENE),
702     vval(OCTREE));
703     else
704     sprintf(combuf, "oconv%s %s > %s", ocopts,
705     vval(SCENE), vval(OCTREE));
706    
707     if (runcom(combuf)) { /* run it */
708     fprintf(stderr,
709 greg 2.26 "%s: error generating octree\n\t%s removed\n",
710 greg 2.41 progname, vval(OCTREE));
711     unlink(vval(OCTREE));
712     exit(1);
713     }
714 greg 2.26 }
715 greg 2.35 octreedate = time((time_t *)NULL);
716 greg 2.40 if (octreedate < scenedate) /* in case clock is off */
717     octreedate = scenedate;
718 greg 2.26 }
719     if (oct1name == vval(OCTREE)) /* no mkillum? */
720     oct1date = octreedate > matdate ? octreedate : matdate;
721     if (oct1date >= octreedate & oct1date >= matdate
722     & oct1date >= illumdate) /* all done */
723 greg 2.1 return;
724 greg 2.26 /* make octree0 */
725     if (oct0date < scenedate | oct0date < illumdate) {
726 greg 2.41 if (touchonly && oct0date)
727     touch(oct0name);
728     else { /* build command */
729     if (octreedate)
730     sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
731     vval(OCTREE), vval(ILLUM), oct0name);
732     else if (vdef(MATERIAL))
733     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
734     vval(MATERIAL), vval(ILLUM), oct0name);
735     else
736     sprintf(combuf, "oconv%s %s > %s", ocopts,
737     vval(ILLUM), oct0name);
738     if (runcom(combuf)) { /* run it */
739     fprintf(stderr,
740     "%s: error generating octree\n\t%s removed\n",
741     progname, oct0name);
742     unlink(oct0name);
743     exit(1);
744     }
745     }
746     oct0date = time((time_t *)NULL);
747     if (oct0date < octreedate) /* in case clock is off */
748     oct0date = octreedate;
749     if (oct0date < illumdate) /* ditto */
750     oct0date = illumdate;
751     }
752     if (touchonly && oct1date)
753     touch(oct1name);
754     else {
755     mkillumopts(mkopts); /* build mkillum command */
756     mktemp(illumtmp);
757     sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
758     oct0name, vval(ILLUM), illumtmp);
759     if (runcom(combuf)) { /* run it */
760     fprintf(stderr, "%s: error running mkillum\n",
761     progname);
762     unlink(illumtmp);
763     exit(1);
764     }
765     /* make octree1 (frozen) */
766 greg 2.26 if (octreedate)
767 greg 2.41 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
768     vval(OCTREE), illumtmp, oct1name);
769 greg 2.26 else if (vdef(MATERIAL))
770 greg 2.41 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
771     vval(MATERIAL), illumtmp, oct1name);
772 greg 2.26 else
773 greg 2.41 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
774     illumtmp, oct1name);
775 greg 2.26 if (runcom(combuf)) { /* run it */
776     fprintf(stderr,
777     "%s: error generating octree\n\t%s removed\n",
778 greg 2.41 progname, oct1name);
779     unlink(oct1name);
780 greg 2.46 unlink(illumtmp);
781 greg 2.26 exit(1);
782     }
783 greg 2.41 rmfile(illumtmp);
784 greg 2.26 }
785 greg 2.35 oct1date = time((time_t *)NULL);
786 greg 2.40 if (oct1date < oct0date) /* in case clock is off */
787     oct1date = oct0date;
788 greg 2.1 }
789    
790    
791     char *
792     addarg(op, arg) /* add argument and advance pointer */
793     register char *op, *arg;
794     {
795     *op = ' ';
796     while (*++op = *arg++)
797     ;
798     return(op);
799     }
800    
801    
802     oconvopts(oo) /* get oconv options */
803 greg 2.2 register char *oo;
804 greg 2.1 {
805 greg 2.2 /* BEWARE: This may be called via setdefaults(), so no assumptions */
806    
807 greg 2.1 *oo = '\0';
808     if (vdef(OCONV))
809     addarg(oo, vval(OCONV));
810     }
811    
812    
813 greg 2.26 mkillumopts(mo) /* get mkillum options */
814     register char *mo;
815     {
816     /* BEWARE: This may be called via setdefaults(), so no assumptions */
817    
818     *mo = '\0';
819     if (vdef(MKILLUM))
820     addarg(mo, vval(MKILLUM));
821     }
822    
823    
824 greg 2.7 checkambfile() /* check date on ambient file */
825     {
826 greg 2.35 time_t afdate;
827 greg 2.7
828 greg 2.11 if (!vdef(AMBFILE))
829     return;
830 greg 2.26 if (!(afdate = fdate(vval(AMBFILE))))
831 greg 2.11 return;
832 greg 2.26 if (oct1date > afdate)
833 greg 2.41 if (touchonly)
834     touch(vval(AMBFILE));
835     else
836     rmfile(vval(AMBFILE));
837 greg 2.7 }
838    
839    
840 greg 2.2 double
841     ambval() /* compute ambient value */
842 greg 2.1 {
843 greg 2.3 if (vdef(EXPOSURE)) {
844 greg 2.2 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
845     return(.5/pow(2.,atof(vval(EXPOSURE))));
846 greg 2.20 return(.5/atof(vval(EXPOSURE)));
847 greg 2.3 }
848 greg 2.2 if (vlet(ZONE) == 'E')
849     return(10.);
850 greg 2.3 if (vlet(ZONE) == 'I')
851 greg 2.2 return(.01);
852 greg 2.3 badvalue(ZONE);
853 greg 2.30 }
854    
855    
856 greg 2.38 renderopts(op, po) /* set rendering options */
857     char *op, *po;
858 greg 2.30 {
859     switch(vscale(QUALITY)) {
860     case LOW:
861 greg 2.38 lowqopts(op, po);
862 greg 2.30 break;
863     case MEDIUM:
864 greg 2.38 medqopts(op, po);
865 greg 2.30 break;
866     case HIGH:
867 greg 2.38 hiqopts(op, po);
868 greg 2.30 break;
869     }
870 greg 2.2 }
871 greg 2.1
872 greg 2.2
873 greg 2.38 lowqopts(op, po) /* low quality rendering options */
874 greg 2.2 register char *op;
875 greg 2.38 char *po;
876 greg 2.2 {
877     double d, org[3], siz[3];
878    
879 greg 2.1 *op = '\0';
880 greg 2.38 *po = '\0';
881 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
882 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
883     badvalue(ZONE);
884 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
885 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
886     badvalue(ZONE);
887 greg 2.2 getoctcube(org, &d);
888     d *= 3./(siz[0]+siz[1]+siz[2]);
889     switch (vscale(DETAIL)) {
890     case LOW:
891 greg 2.38 po = addarg(po, "-ps 16");
892     op = addarg(op, "-dp 64");
893 greg 2.2 sprintf(op, " -ar %d", (int)(4*d));
894     op += strlen(op);
895     break;
896     case MEDIUM:
897 greg 2.38 po = addarg(po, "-ps 8");
898     op = addarg(op, "-dp 128");
899 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
900     op += strlen(op);
901     break;
902     case HIGH:
903 greg 2.38 po = addarg(po, "-ps 4");
904     op = addarg(op, "-dp 256");
905 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
906     op += strlen(op);
907     break;
908     }
909 greg 2.38 po = addarg(po, "-pt .16");
910 greg 2.2 if (vbool(PENUMBRAS))
911     op = addarg(op, "-ds .4");
912 greg 2.4 else
913     op = addarg(op, "-ds 0");
914 greg 2.17 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
915 greg 2.2 if (vdef(AMBFILE)) {
916     sprintf(op, " -af %s", vval(AMBFILE));
917     op += strlen(op);
918     } else
919     overture = 0;
920     switch (vscale(VARIABILITY)) {
921     case LOW:
922 greg 2.16 op = addarg(op, "-aa .4 -ad 64");
923 greg 2.2 break;
924     case MEDIUM:
925 greg 2.16 op = addarg(op, "-aa .3 -ad 128");
926 greg 2.2 break;
927     case HIGH:
928 greg 2.16 op = addarg(op, "-aa .25 -ad 256");
929 greg 2.2 break;
930     }
931     op = addarg(op, "-as 0");
932     d = ambval();
933     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
934     op += strlen(op);
935 greg 2.4 op = addarg(op, "-lr 3 -lw .02");
936 greg 2.1 if (vdef(RENDER))
937     op = addarg(op, vval(RENDER));
938     }
939    
940    
941 greg 2.38 medqopts(op, po) /* medium quality rendering options */
942 greg 2.2 register char *op;
943 greg 2.38 char *po;
944 greg 2.1 {
945 greg 2.2 double d, org[3], siz[3];
946 greg 2.1
947     *op = '\0';
948 greg 2.38 *po = '\0';
949 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
950 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
951     badvalue(ZONE);
952 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
953 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
954     badvalue(ZONE);
955 greg 2.2 getoctcube(org, &d);
956     d *= 3./(siz[0]+siz[1]+siz[2]);
957     switch (vscale(DETAIL)) {
958     case LOW:
959 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
960 greg 2.23 op = addarg(op, "-dp 256");
961 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
962     op += strlen(op);
963     break;
964     case MEDIUM:
965 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
966 greg 2.23 op = addarg(op, "-dp 512");
967 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
968     op += strlen(op);
969     break;
970     case HIGH:
971 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
972 greg 2.23 op = addarg(op, "-dp 1024");
973 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
974     op += strlen(op);
975     break;
976     }
977 greg 2.38 po = addarg(po, "-pt .08");
978 greg 2.4 if (vbool(PENUMBRAS))
979 greg 2.28 op = addarg(op, "-ds .2 -dj .5");
980 greg 2.4 else
981 greg 2.2 op = addarg(op, "-ds .3");
982 greg 2.17 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
983 greg 2.5 if (overture = vint(INDIRECT)) {
984     sprintf(op, " -ab %d", overture);
985     op += strlen(op);
986     }
987 greg 2.2 if (vdef(AMBFILE)) {
988     sprintf(op, " -af %s", vval(AMBFILE));
989     op += strlen(op);
990     } else
991     overture = 0;
992     switch (vscale(VARIABILITY)) {
993     case LOW:
994 greg 2.16 op = addarg(op, "-aa .25 -ad 196 -as 0");
995 greg 2.2 break;
996     case MEDIUM:
997 greg 2.16 op = addarg(op, "-aa .2 -ad 400 -as 64");
998 greg 2.2 break;
999     case HIGH:
1000 greg 2.16 op = addarg(op, "-aa .15 -ad 768 -as 196");
1001 greg 2.2 break;
1002     }
1003     d = ambval();
1004     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1005     op += strlen(op);
1006 greg 2.4 op = addarg(op, "-lr 6 -lw .002");
1007 greg 2.1 if (vdef(RENDER))
1008     op = addarg(op, vval(RENDER));
1009     }
1010    
1011    
1012 greg 2.38 hiqopts(op, po) /* high quality rendering options */
1013 greg 2.2 register char *op;
1014 greg 2.38 char *po;
1015 greg 2.1 {
1016 greg 2.2 double d, org[3], siz[3];
1017 greg 2.1
1018     *op = '\0';
1019 greg 2.38 *po = '\0';
1020 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
1021 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
1022     badvalue(ZONE);
1023 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
1024 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
1025     badvalue(ZONE);
1026 greg 2.2 getoctcube(org, &d);
1027     d *= 3./(siz[0]+siz[1]+siz[2]);
1028     switch (vscale(DETAIL)) {
1029     case LOW:
1030 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
1031 greg 2.23 op = addarg(op, "-dp 1024");
1032 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
1033     op += strlen(op);
1034     break;
1035     case MEDIUM:
1036 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
1037 greg 2.23 op = addarg(op, "-dp 2048");
1038 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
1039     op += strlen(op);
1040     break;
1041     case HIGH:
1042 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
1043 greg 2.23 op = addarg(op, "-dp 4096");
1044 greg 2.2 sprintf(op, " -ar %d", (int)(64*d));
1045     op += strlen(op);
1046     break;
1047     }
1048 greg 2.38 po = addarg(po, "-pt .04");
1049 greg 2.4 if (vbool(PENUMBRAS))
1050 greg 2.42 op = addarg(op, "-ds .1 -dj .65");
1051 greg 2.4 else
1052 greg 2.2 op = addarg(op, "-ds .2");
1053 greg 2.17 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
1054 greg 2.2 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
1055     op += strlen(op);
1056     if (vdef(AMBFILE)) {
1057     sprintf(op, " -af %s", vval(AMBFILE));
1058     op += strlen(op);
1059     } else
1060     overture = 0;
1061     switch (vscale(VARIABILITY)) {
1062     case LOW:
1063 greg 2.16 op = addarg(op, "-aa .15 -ad 256 -as 0");
1064 greg 2.2 break;
1065     case MEDIUM:
1066 greg 2.16 op = addarg(op, "-aa .125 -ad 512 -as 256");
1067 greg 2.2 break;
1068     case HIGH:
1069 greg 2.16 op = addarg(op, "-aa .08 -ad 1024 -as 512");
1070 greg 2.2 break;
1071     }
1072     d = ambval();
1073     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
1074     op += strlen(op);
1075 greg 2.4 op = addarg(op, "-lr 12 -lw .0005");
1076 greg 2.1 if (vdef(RENDER))
1077     op = addarg(op, vval(RENDER));
1078     }
1079    
1080    
1081     xferopts(ro) /* transfer options if indicated */
1082     char *ro;
1083     {
1084     int fd, n;
1085 greg 2.10 register char *cp;
1086 greg 2.1
1087     n = strlen(ro);
1088     if (n < 2)
1089     return;
1090     if (vdef(OPTFILE)) {
1091 greg 2.10 for (cp = ro; cp[1]; cp++)
1092     if (isspace(cp[1]) && cp[2] == '-' && isalpha(cp[3]))
1093     *cp = '\n';
1094     else
1095     *cp = cp[1];
1096     *cp = '\n';
1097     fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1098     if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1099 greg 2.3 syserr(vval(OPTFILE));
1100 greg 2.15 sprintf(ro, " @%s", vval(OPTFILE));
1101 greg 2.1 }
1102     #ifdef MSDOS
1103     else if (n > 50) {
1104 greg 2.8 setenv("ROPT", ro+1);
1105 greg 2.1 strcpy(ro, " $ROPT");
1106     }
1107     #endif
1108     }
1109    
1110    
1111     pfiltopts(po) /* get pfilt options */
1112     register char *po;
1113     {
1114     *po = '\0';
1115     if (vdef(EXPOSURE)) {
1116     po = addarg(po, "-1 -e");
1117     po = addarg(po, vval(EXPOSURE));
1118     }
1119 greg 2.12 switch (vscale(QUALITY)) {
1120     case MEDIUM:
1121     po = addarg(po, "-r 1");
1122     break;
1123     case HIGH:
1124 greg 2.14 po = addarg(po, "-m .25");
1125 greg 2.12 break;
1126     }
1127 greg 2.1 if (vdef(PFILT))
1128     po = addarg(po, vval(PFILT));
1129     }
1130    
1131    
1132     matchword(s1, s2) /* match white-delimited words */
1133     register char *s1, *s2;
1134     {
1135     while (isspace(*s1)) s1++;
1136     while (isspace(*s2)) s2++;
1137     while (*s1 && !isspace(*s1))
1138     if (*s1++ != *s2++)
1139     return(0);
1140     return(!*s2 || isspace(*s2));
1141     }
1142    
1143    
1144     char *
1145     specview(vs) /* get proper view spec from vs */
1146     register char *vs;
1147     {
1148 greg 2.3 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1149     "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1150 greg 2.1 static char viewopts[128];
1151     register char *cp;
1152 greg 2.3 int xpos, ypos, zpos, viewtype, upax;
1153     register int i;
1154 greg 2.1 double cent[3], dim[3], mult, d;
1155    
1156 greg 2.9 if (vs == NULL || *vs == '-')
1157 greg 2.1 return(vs);
1158 greg 2.3 upax = 0; /* get the up vector */
1159     if (vdef(UP)) {
1160     if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1161     upax = 1-'X'+UPPER(vval(UP)[1]);
1162     else
1163     upax = 1-'X'+vlet(UP);
1164     if (upax < 1 | upax > 3)
1165     badvalue(UP);
1166     if (vval(UP)[0] == '-')
1167     upax = -upax;
1168     }
1169 greg 2.1 /* check standard view names */
1170     xpos = ypos = zpos = 0;
1171     if (*vs == 'X') {
1172     xpos = 1; vs++;
1173     } else if (*vs == 'x') {
1174     xpos = -1; vs++;
1175     }
1176     if (*vs == 'Y') {
1177     ypos = 1; vs++;
1178     } else if (*vs == 'y') {
1179     ypos = -1; vs++;
1180     }
1181     if (*vs == 'Z') {
1182     zpos = 1; vs++;
1183     } else if (*vs == 'z') {
1184     zpos = -1; vs++;
1185     }
1186 greg 2.3 viewtype = 'v';
1187 greg 2.44 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
1188 greg 2.1 viewtype = *vs++;
1189     cp = viewopts;
1190 greg 2.3 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1191 greg 2.1 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1192     if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1193     &cent[0], &dim[0], &cent[1], &dim[1],
1194 greg 2.3 &cent[2], &dim[2]) != 6)
1195     badvalue(ZONE);
1196     for (i = 0; i < 3; i++) {
1197     dim[i] -= cent[i];
1198 greg 2.39 if (dim[i] <= FTINY)
1199     badvalue(ZONE);
1200 greg 2.3 cent[i] += .5*dim[i];
1201 greg 2.1 }
1202 greg 2.3 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1203 greg 2.1 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1204     cent[0]+xpos*mult*dim[0],
1205     cent[1]+ypos*mult*dim[1],
1206     cent[2]+zpos*mult*dim[2],
1207     -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1208     cp += strlen(cp);
1209 greg 2.3 /* redirect up axis if necessary */
1210     switch (upax) {
1211     case 3: /* plus or minus Z axis */
1212     case -3:
1213     case 0:
1214     if (!(xpos|ypos))
1215     upax = 2;
1216 greg 2.1 break;
1217 greg 2.3 case 2: /* plus or minus Y axis */
1218     case -2:
1219     if (!(xpos|zpos))
1220     upax = 1;
1221     break;
1222     case 1: /* plus or minus X axis */
1223     case -1:
1224     if (!(ypos|zpos))
1225     upax = 3;
1226     break;
1227 greg 2.1 }
1228 greg 2.3 cp = addarg(cp, vup[upax+3]);
1229 greg 2.1 switch (viewtype) {
1230     case 'v':
1231     cp = addarg(cp, "-vh 45 -vv 45");
1232     break;
1233     case 'l':
1234     d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1235     sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1236     cp += strlen(cp);
1237     break;
1238     case 'a':
1239     case 'h':
1240     cp = addarg(cp, "-vh 180 -vv 180");
1241 greg 2.44 break;
1242     case 'c':
1243     cp = addarg(cp, "-vh 180 -vv 90");
1244 greg 2.1 break;
1245     }
1246 greg 2.3 } else {
1247 greg 2.4 while (!isspace(*vs)) /* else skip id */
1248     if (!*vs++)
1249     return(NULL);
1250 greg 2.3 if (upax) { /* specify up vector */
1251     strcpy(cp, vup[upax+3]);
1252     cp += strlen(cp);
1253     }
1254     }
1255 greg 2.26 if (cp == viewopts) /* append any additional options */
1256     vs++; /* skip prefixed space if unneeded */
1257     strcpy(cp, vs);
1258 greg 2.8 #ifdef MSDOS
1259     if (strlen(viewopts) > 40) {
1260     setenv("VIEW", viewopts);
1261     return("$VIEW");
1262     }
1263     #endif
1264 greg 2.1 return(viewopts);
1265     }
1266    
1267    
1268     char *
1269     getview(n, vn) /* get view n, or NULL if none */
1270     int n;
1271 greg 2.8 char *vn; /* returned view name */
1272 greg 2.1 {
1273 greg 2.19 register char *mv;
1274 greg 2.1
1275 greg 2.8 if (viewselect != NULL) { /* command-line selected */
1276 greg 2.1 if (n) /* only do one */
1277     return(NULL);
1278     if (viewselect[0] == '-') { /* already specified */
1279     if (vn != NULL) *vn = '\0';
1280     return(viewselect);
1281     }
1282     if (vn != NULL) {
1283     for (mv = viewselect; *mv && !isspace(*mv);
1284     *vn++ = *mv++)
1285     ;
1286     *vn = '\0';
1287     }
1288 greg 2.19 /* view number? */
1289 greg 2.20 if (isint(viewselect))
1290 greg 2.19 return(specview(nvalue(vv+VIEW, atoi(viewselect)-1)));
1291 greg 2.1 /* check list */
1292     while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1293     if (matchword(viewselect, mv))
1294     return(specview(mv));
1295     return(specview(viewselect)); /* standard view? */
1296     }
1297 greg 2.8 mv = nvalue(vv+VIEW, n); /* use view n */
1298     if (vn != NULL & mv != NULL) {
1299 greg 2.19 register char *mv2 = mv;
1300     if (*mv2 != '-')
1301     while (*mv2 && !isspace(*mv2))
1302     *vn++ = *mv2++;
1303 greg 2.1 *vn = '\0';
1304     }
1305 greg 2.8 return(specview(mv));
1306 greg 2.20 }
1307    
1308    
1309 greg 2.21 printview(vopts) /* print out selected view */
1310     register char *vopts;
1311 greg 2.20 {
1312 greg 2.24 extern char *atos(), *getenv();
1313 greg 2.20 char buf[256];
1314     FILE *fp;
1315 greg 2.21 register char *cp;
1316 greg 2.20
1317     if (vopts == NULL)
1318     return(-1);
1319     fputs("VIEW=", stdout);
1320     do {
1321     if (matchword(vopts, "-vf")) { /* expand view file */
1322     vopts = sskip(vopts);
1323     if (!*atos(buf, sizeof(buf), vopts))
1324     return(-1);
1325     if ((fp = fopen(buf, "r")) == NULL)
1326     return(-1);
1327     for (buf[sizeof(buf)-2] = '\n';
1328     fgets(buf, sizeof(buf), fp) != NULL &&
1329     buf[0] != '\n';
1330     buf[sizeof(buf)-2] = '\n') {
1331     if (buf[sizeof(buf)-2] != '\n') {
1332     ungetc(buf[sizeof(buf)-2], fp);
1333     buf[sizeof(buf)-2] = '\0';
1334     }
1335     if (matchword(buf, "VIEW=") ||
1336     matchword(buf, "rview")) {
1337     for (cp = sskip(buf); *cp && *cp != '\n'; cp++)
1338     putchar(*cp);
1339     }
1340     }
1341     fclose(fp);
1342     vopts = sskip(vopts);
1343     } else {
1344     while (isspace(*vopts))
1345     vopts++;
1346     putchar(' ');
1347 greg 2.24 #ifdef MSDOS
1348     if (*vopts == '$') { /* expand env. var. */
1349     if (!*atos(buf, sizeof(buf), vopts+1))
1350     return(-1);
1351     if ((cp = getenv(buf)) == NULL)
1352     return(-1);
1353     fputs(cp, stdout);
1354     vopts = sskip(vopts);
1355     } else
1356     #endif
1357     while (*vopts && !isspace(*vopts))
1358     putchar(*vopts++);
1359 greg 2.20 }
1360     } while (*vopts++);
1361     putchar('\n');
1362     return(0);
1363 greg 2.1 }
1364    
1365    
1366 greg 2.38 rview(opts, po) /* run rview with first view */
1367     char *opts, *po;
1368 greg 2.1 {
1369 greg 2.21 char *vw;
1370 greg 2.1 char combuf[512];
1371     /* build command */
1372 greg 2.41 if (touchonly || (vw = getview(0, NULL)) == NULL)
1373 greg 2.21 return;
1374     if (sayview)
1375     printview(vw);
1376 greg 2.38 sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1377 greg 2.1 if (rvdevice != NULL)
1378     sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1379 greg 2.29 if (vdef(EXPOSURE))
1380     sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1381 greg 2.26 strcat(combuf, oct1name);
1382 greg 2.4 if (runcom(combuf)) { /* run it */
1383 greg 2.1 fprintf(stderr, "%s: error running rview\n", progname);
1384     exit(1);
1385     }
1386     }
1387    
1388    
1389 greg 2.38 rpict(opts, po) /* run rpict and pfilt for each view */
1390     char *opts, *po;
1391 greg 2.1 {
1392 greg 2.2 char combuf[1024];
1393 greg 2.45 char rawfile[MAXPATH], picfile[MAXPATH];
1394     char zopt[MAXPATH+4], rep[MAXPATH+16], res[32];
1395 greg 2.3 char pfopts[128];
1396 greg 2.1 char vs[32], *vw;
1397     int vn, mult;
1398 greg 2.41 time_t rfdt, pfdt;
1399 greg 2.1 /* get pfilt options */
1400     pfiltopts(pfopts);
1401     /* get resolution, reporting */
1402 greg 2.31 switch (vscale(QUALITY)) {
1403     case LOW:
1404     mult = 1;
1405     break;
1406     case MEDIUM:
1407     mult = 2;
1408     break;
1409     case HIGH:
1410     mult = 3;
1411     break;
1412     }
1413 greg 2.1 {
1414     int xres, yres;
1415     double aspect;
1416     int n;
1417     n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1418     if (n == 3)
1419     sprintf(res, "-x %d -y %d -pa %.3f",
1420     mult*xres, mult*yres, aspect);
1421     else if (n) {
1422     if (n == 1) yres = xres;
1423     sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1424 greg 2.3 } else
1425     badvalue(RESOLUTION);
1426 greg 2.1 }
1427     rep[0] = '\0';
1428     if (vdef(REPORT)) {
1429     double minutes;
1430     int n;
1431     n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1432     if (n == 2)
1433     sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1434     else if (n == 1)
1435     sprintf(rep, " -t %d", (int)(minutes*60));
1436 greg 2.3 else
1437     badvalue(REPORT);
1438 greg 2.1 }
1439     /* do each view */
1440     vn = 0;
1441     while ((vw = getview(vn++, vs)) != NULL) {
1442 greg 2.21 if (sayview)
1443     printview(vw);
1444 greg 2.1 if (!vs[0])
1445     sprintf(vs, "%d", vn);
1446     sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1447 greg 2.45 if (vdef(ZFILE))
1448     sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1449     else
1450     zopt[0] = '\0';
1451 greg 2.1 /* check date on picture */
1452 greg 2.41 pfdt = fdate(picfile);
1453     if (pfdt >= oct1date)
1454 greg 2.1 continue;
1455 greg 2.41 /* get raw file name */
1456 greg 2.45 sprintf(rawfile, "%s_%s.unf",
1457     vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1458 greg 2.41 rfdt = fdate(rawfile);
1459     if (touchonly) { /* update times only */
1460     if (rfdt) {
1461     if (rfdt < oct1date)
1462     touch(rawfile);
1463     } else if (pfdt && pfdt < oct1date)
1464     touch(picfile);
1465     continue;
1466     }
1467 greg 2.1 /* build rpict command */
1468 greg 2.41 if (rfdt >= oct1date) /* recover */
1469 greg 2.45 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1470     rep, po, opts, zopt, rawfile, oct1name);
1471 greg 2.1 else {
1472     if (overture) { /* run overture calculation */
1473     sprintf(combuf,
1474     "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1475     rep, vw, opts,
1476 greg 2.26 oct1name, overfile);
1477 greg 2.4 if (runcom(combuf)) {
1478 greg 2.1 fprintf(stderr,
1479 greg 2.6 "%s: error in overture for view %s\n",
1480     progname, vs);
1481 greg 2.1 exit(1);
1482     }
1483 greg 2.6 #ifdef NIX
1484     rmfile(overfile);
1485     #endif
1486 greg 2.1 }
1487 greg 2.45 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1488     rep, vw, res, po, opts, zopt,
1489     oct1name, rawfile);
1490 greg 2.1 }
1491 greg 2.4 if (runcom(combuf)) { /* run rpict */
1492 greg 2.1 fprintf(stderr, "%s: error rendering view %s\n",
1493     progname, vs);
1494     exit(1);
1495     }
1496 greg 2.45 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1497 greg 2.1 /* build pfilt command */
1498 greg 2.45 if (mult > 1)
1499     sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1500 greg 2.1 pfopts, mult, mult, rawfile, picfile);
1501 greg 2.45 else
1502     sprintf(combuf, "pfilt%s %s > %s", pfopts,
1503     rawfile, picfile);
1504     if (runcom(combuf)) { /* run pfilt */
1505     fprintf(stderr,
1506     "%s: error filtering view %s\n\t%s removed\n",
1507     progname, vs, picfile);
1508     unlink(picfile);
1509     exit(1);
1510     }
1511 greg 2.1 }
1512 greg 2.43 /* remove/rename raw file */
1513 greg 2.45 if (vdef(RAWFILE)) {
1514     sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1515 greg 2.43 mvfile(rawfile, combuf);
1516     } else
1517     rmfile(rawfile);
1518 greg 2.4 }
1519 greg 2.41 }
1520    
1521    
1522     touch(fn) /* update a file */
1523     char *fn;
1524     {
1525     if (!silent)
1526     printf("\ttouch %s\n", fn);
1527     if (noaction)
1528     return(0);
1529     #ifdef notused
1530     if (access(fn, F_OK) == -1) /* create it */
1531     if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1532     return(-1);
1533     #endif
1534     return(setfdate(fn, time((time_t *)NULL)));
1535 greg 2.4 }
1536    
1537    
1538     runcom(cs) /* run command */
1539     char *cs;
1540     {
1541     if (!silent) /* echo it */
1542     printf("\t%s\n", cs);
1543     if (noaction)
1544     return(0);
1545     fflush(stdout); /* flush output and pass to shell */
1546     return(system(cs));
1547     }
1548    
1549    
1550     rmfile(fn) /* remove a file */
1551     char *fn;
1552     {
1553     if (!silent)
1554 greg 2.1 #ifdef MSDOS
1555 greg 2.4 printf("\tdel %s\n", fn);
1556 greg 2.1 #else
1557 greg 2.4 printf("\trm -f %s\n", fn);
1558 greg 2.1 #endif
1559 greg 2.4 if (noaction)
1560     return(0);
1561     return(unlink(fn));
1562 greg 2.43 }
1563    
1564    
1565     mvfile(fold, fnew) /* move a file */
1566     char *fold, *fnew;
1567     {
1568     if (!silent)
1569     #ifdef MSDOS
1570     printf("\trename %s %s\n", fold, fnew);
1571     #else
1572     printf("\tmv %s %s\n", fold, fnew);
1573     #endif
1574     if (noaction)
1575     return(0);
1576     return(rename(fold, fnew));
1577 greg 2.3 }
1578 greg 2.8
1579    
1580     #ifdef MSDOS
1581     setenv(vname, value) /* set an environment variable */
1582     char *vname, *value;
1583     {
1584     register char *evp;
1585    
1586     evp = bmalloc(strlen(vname)+strlen(value)+2);
1587     if (evp == NULL)
1588     syserr(progname);
1589     sprintf(evp, "%s=%s", vname, value);
1590     if (putenv(evp) != 0) {
1591     fprintf(stderr, "%s: out of environment space\n", progname);
1592     exit(1);
1593     }
1594     if (!silent)
1595     printf("set %s\n", evp);
1596     }
1597     #endif
1598 greg 2.3
1599    
1600     badvalue(vc) /* report bad variable value and exit */
1601     int vc;
1602     {
1603     fprintf(stderr, "%s: bad value for variable '%s'\n",
1604     progname, vnam(vc));
1605     exit(1);
1606     }
1607    
1608    
1609     syserr(s) /* report a system error and exit */
1610     char *s;
1611     {
1612     perror(s);
1613     exit(1);
1614 greg 2.1 }