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root/radiance/ray/src/util/rad.c
Revision: 2.34
Committed: Thu Nov 18 13:28:30 1993 UTC (30 years, 4 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.33: +3 -3 lines
Log Message:
fixed PC bug in time() call

File Contents

# User Rev Content
1 greg 2.1 /* Copyright (c) 1993 Regents of the University of California */
2    
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    
15    
16     typedef struct {
17     char *name; /* variable name */
18     short nick; /* # characters required for nickname */
19     short nass; /* # assignments made */
20     char *value; /* assigned value(s) */
21     int (*fixval)(); /* assignment checking function */
22     } VARIABLE;
23    
24 greg 2.30 int onevalue(), catvalues(), boolvalue(),
25     qualvalue(), fltvalue(), intvalue();
26 greg 2.1
27     /* variables */
28     #define OBJECT 0 /* object files */
29     #define SCENE 1 /* scene files */
30     #define MATERIAL 2 /* material files */
31 greg 2.26 #define ILLUM 3 /* mkillum input files */
32     #define MKILLUM 4 /* mkillum options */
33     #define RENDER 5 /* rendering options */
34     #define OCONV 6 /* oconv options */
35     #define PFILT 7 /* pfilt options */
36     #define VIEW 8 /* view(s) for picture(s) */
37     #define ZONE 9 /* simulation zone */
38     #define QUALITY 10 /* desired rendering quality */
39     #define OCTREE 11 /* octree file name */
40     #define PICTURE 12 /* picture file name */
41     #define AMBFILE 13 /* ambient file name */
42     #define OPTFILE 14 /* rendering options file */
43     #define EXPOSURE 15 /* picture exposure setting */
44     #define RESOLUTION 16 /* maximum picture resolution */
45     #define UP 17 /* view up (X, Y or Z) */
46     #define INDIRECT 18 /* indirection in lighting */
47     #define DETAIL 19 /* level of scene detail */
48     #define PENUMBRAS 20 /* shadow penumbras are desired */
49     #define VARIABILITY 21 /* level of light variability */
50     #define REPORT 22 /* report frequency and errfile */
51 greg 2.1 /* total number of variables */
52 greg 2.26 #define NVARS 23
53 greg 2.1
54     VARIABLE vv[NVARS] = { /* variable-value pairs */
55     {"objects", 3, 0, NULL, catvalues},
56     {"scene", 3, 0, NULL, catvalues},
57     {"materials", 3, 0, NULL, catvalues},
58 greg 2.26 {"illum", 3, 0, NULL, catvalues},
59     {"mkillum", 3, 0, NULL, catvalues},
60 greg 2.1 {"render", 3, 0, NULL, catvalues},
61     {"oconv", 3, 0, NULL, catvalues},
62     {"pfilt", 2, 0, NULL, catvalues},
63     {"view", 2, 0, NULL, NULL},
64     {"ZONE", 2, 0, NULL, onevalue},
65 greg 2.30 {"QUALITY", 3, 0, NULL, qualvalue},
66 greg 2.1 {"OCTREE", 3, 0, NULL, onevalue},
67     {"PICTURE", 3, 0, NULL, onevalue},
68     {"AMBFILE", 3, 0, NULL, onevalue},
69     {"OPTFILE", 3, 0, NULL, onevalue},
70 greg 2.30 {"EXPOSURE", 3, 0, NULL, fltvalue},
71 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
72     {"UP", 2, 0, NULL, onevalue},
73 greg 2.30 {"INDIRECT", 3, 0, NULL, intvalue},
74     {"DETAIL", 3, 0, NULL, qualvalue},
75     {"PENUMBRAS", 3, 0, NULL, boolvalue},
76     {"VARIABILITY", 3, 0, NULL, qualvalue},
77 greg 2.1 {"REPORT", 3, 0, NULL, onevalue},
78     };
79    
80     VARIABLE *matchvar();
81     char *nvalue();
82    
83 greg 2.3 #define UPPER(c) ((c)&~0x20) /* ASCII trick */
84    
85 greg 2.1 #define vnam(vc) (vv[vc].name)
86     #define vdef(vc) (vv[vc].nass)
87     #define vval(vc) (vv[vc].value)
88     #define vint(vc) atoi(vval(vc))
89 greg 2.3 #define vlet(vc) UPPER(vval(vc)[0])
90 greg 2.30 #define vscale vlet
91 greg 2.1 #define vbool(vc) (vlet(vc)=='T')
92    
93 greg 2.30 #define HIGH 'H'
94     #define MEDIUM 'M'
95     #define LOW 'L'
96 greg 2.1
97 greg 2.6 /* overture calculation file */
98     #ifdef NIX
99     char overfile[] = "overture.raw";
100     #else
101     char overfile[] = "/dev/null";
102     #endif
103    
104 greg 2.26 extern unsigned long fdate(), time();
105 greg 2.1
106 greg 2.26 unsigned long scenedate; /* date of latest scene or object file */
107     unsigned long octreedate; /* date of octree */
108     unsigned long matdate; /* date of latest material file */
109     unsigned long illumdate; /* date of last illum file */
110 greg 2.1
111 greg 2.26 char *oct0name; /* name of pre-mkillum octree */
112     unsigned long oct0date; /* date of pre-mkillum octree */
113     char *oct1name; /* name of post-mkillum octree */
114     unsigned long oct1date; /* date of post-mkillum octree (>= matdate) */
115    
116 greg 2.1 int explicate = 0; /* explicate variables */
117     int silent = 0; /* do work silently */
118     int noaction = 0; /* don't do anything */
119 greg 2.21 int sayview = 0; /* print view out */
120 greg 2.1 char *rvdevice = NULL; /* rview output device */
121     char *viewselect = NULL; /* specific view only */
122    
123     int overture = 0; /* overture calculation needed */
124    
125     char *progname; /* global argv[0] */
126 greg 2.22 char *rifname; /* global rad input file name */
127 greg 2.1
128     char radname[MAXPATH]; /* root Radiance file name */
129    
130    
131     main(argc, argv)
132     int argc;
133     char *argv[];
134     {
135     char ropts[512];
136     int i;
137    
138     progname = argv[0];
139     /* get options */
140     for (i = 1; i < argc && argv[i][0] == '-'; i++)
141     switch (argv[i][1]) {
142     case 's':
143     silent++;
144     break;
145     case 'n':
146     noaction++;
147     break;
148     case 'e':
149     explicate++;
150     break;
151     case 'o':
152     rvdevice = argv[++i];
153     break;
154 greg 2.20 case 'V':
155 greg 2.21 sayview++;
156     break;
157 greg 2.1 case 'v':
158     viewselect = argv[++i];
159     break;
160     default:
161     goto userr;
162     }
163     if (i >= argc)
164     goto userr;
165 greg 2.22 rifname = argv[i];
166 greg 2.1 /* assign Radiance root file name */
167 greg 2.22 rootname(radname, rifname);
168 greg 2.1 /* load variable values */
169 greg 2.22 load(rifname);
170 greg 2.1 /* get any additional assignments */
171     for (i++; i < argc; i++)
172     setvariable(argv[i]);
173     /* check assignments */
174     checkvalues();
175     /* check files and dates */
176     checkfiles();
177     /* set default values as necessary */
178     setdefaults();
179     /* print all values if requested */
180     if (explicate)
181     printvals();
182 greg 2.26 /* build octree (and run mkillum) */
183 greg 2.7 oconv();
184     /* check date on ambient file */
185     checkambfile();
186 greg 2.1 /* run simulation */
187     renderopts(ropts);
188     xferopts(ropts);
189     if (rvdevice != NULL)
190     rview(ropts);
191     else
192     rpict(ropts);
193     exit(0);
194     userr:
195     fprintf(stderr,
196 greg 2.26 "Usage: %s [-s][-n][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
197 greg 2.1 progname);
198     exit(1);
199     }
200    
201    
202     rootname(rn, fn) /* remove tail from end of fn */
203     register char *rn, *fn;
204     {
205     char *tp, *dp;
206    
207     for (tp = NULL, dp = rn; *rn = *fn++; rn++)
208     if (ISDIRSEP(*rn))
209     dp = rn;
210     else if (*rn == '.')
211     tp = rn;
212     if (tp != NULL && tp > dp)
213     *tp = '\0';
214     }
215    
216    
217 greg 2.25 #define NOCHAR 127 /* constant for character to delete */
218    
219    
220 greg 2.1 load(rfname) /* load Radiance simulation file */
221     char *rfname;
222     {
223     FILE *fp;
224 greg 2.4 char buf[512];
225 greg 2.1 register char *cp;
226    
227     if (rfname == NULL)
228     fp = stdin;
229 greg 2.3 else if ((fp = fopen(rfname, "r")) == NULL)
230     syserr(rfname);
231 greg 2.1 while (fgetline(buf, sizeof(buf), fp) != NULL) {
232     for (cp = buf; *cp; cp++) {
233     switch (*cp) {
234     case '\\':
235 greg 2.25 *cp++ = NOCHAR;
236 greg 2.1 continue;
237     case '#':
238     *cp = '\0';
239     break;
240 greg 2.4 default:
241     continue;
242 greg 2.1 }
243     break;
244     }
245     setvariable(buf);
246     }
247     fclose(fp);
248     }
249    
250    
251     setvariable(ass) /* assign variable according to string */
252     register char *ass;
253     {
254     char varname[32];
255 greg 2.25 int n;
256 greg 2.1 register char *cp;
257     register VARIABLE *vp;
258     register int i;
259    
260     while (isspace(*ass)) /* skip leading space */
261     ass++;
262     cp = varname; /* extract name */
263     while (cp < varname+sizeof(varname)-1
264     && *ass && !isspace(*ass) && *ass != '=')
265     *cp++ = *ass++;
266     *cp = '\0';
267     if (!varname[0])
268     return; /* no variable name! */
269     /* trim value */
270     while (isspace(*ass) || *ass == '=')
271     ass++;
272 greg 2.25 for (n = strlen(ass); n > 0; n--)
273     if (!isspace(ass[n-1]))
274     break;
275 greg 2.1 if (!n) {
276     fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
277     progname, varname);
278     return;
279     }
280     /* match variable from list */
281     vp = matchvar(varname);
282     if (vp == NULL) {
283     fprintf(stderr, "%s: unknown variable '%s'\n",
284     progname, varname);
285     exit(1);
286     }
287     /* assign new value */
288 greg 2.4 if (i = vp->nass) {
289     cp = vp->value;
290     while (i--)
291     while (*cp++)
292     ;
293     i = cp - vp->value;
294     vp->value = realloc(vp->value, i+n+1);
295     } else
296     vp->value = malloc(n+1);
297 greg 2.3 if (vp->value == NULL)
298     syserr(progname);
299 greg 2.25 cp = vp->value+i; /* copy value, squeezing spaces */
300     *cp = *ass;
301     for (i = 1; i <= n; i++) {
302     if (ass[i] == NOCHAR)
303     continue;
304     if (isspace(*cp))
305     while (isspace(ass[i]))
306     i++;
307     *++cp = ass[i];
308     }
309 greg 2.26 if (isspace(*cp)) /* remove trailing space */
310     *cp = '\0';
311 greg 2.1 vp->nass++;
312     }
313    
314    
315     VARIABLE *
316     matchvar(nam) /* match a variable by its name */
317     char *nam;
318     {
319     int n = strlen(nam);
320     register int i;
321    
322     for (i = 0; i < NVARS; i++)
323     if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
324     return(vv+i);
325     return(NULL);
326     }
327    
328    
329     char *
330     nvalue(vp, n) /* return nth variable value */
331     VARIABLE *vp;
332     register int n;
333     {
334     register char *cp;
335    
336 greg 2.19 if (vp == NULL | n < 0 | n >= vp->nass)
337 greg 2.1 return(NULL);
338     cp = vp->value;
339     while (n--)
340     while (*cp++)
341     ;
342     return(cp);
343     }
344    
345    
346     checkvalues() /* check assignments */
347     {
348     register int i;
349    
350     for (i = 0; i < NVARS; i++)
351     if (vv[i].fixval != NULL)
352     (*vv[i].fixval)(vv+i);
353     }
354    
355    
356     onevalue(vp) /* only one assignment for this variable */
357     register VARIABLE *vp;
358     {
359     if (vp->nass < 2)
360     return;
361     fprintf(stderr, "%s: warning - multiple assignment of variable '%s'\n",
362     progname, vp->name);
363 greg 2.2 do
364 greg 2.1 vp->value += strlen(vp->value)+1;
365 greg 2.2 while (--vp->nass > 1);
366 greg 2.1 }
367    
368    
369     catvalues(vp) /* concatenate variable values */
370     register VARIABLE *vp;
371     {
372     register char *cp;
373    
374     if (vp->nass < 2)
375     return;
376     for (cp = vp->value; vp->nass > 1; vp->nass--) {
377     while (*cp)
378     cp++;
379     *cp++ = ' ';
380     }
381     }
382    
383    
384 greg 2.30 int
385     badmatch(tv, cv) /* case insensitive truncated comparison */
386     register char *tv, *cv;
387     {
388     if (!*tv) return(1); /* null string cannot match */
389     do
390     if (UPPER(*tv) != *cv++)
391     return(1);
392     while (*++tv);
393     return(0); /* OK */
394     }
395    
396    
397     boolvalue(vp) /* check boolean for legal values */
398     register VARIABLE *vp;
399     {
400     if (!vp->nass) return;
401     onevalue(vp);
402     switch (UPPER(vp->value[0])) {
403     case 'T':
404     if (badmatch(vp->value, "TRUE")) break;
405     return;
406     case 'F':
407     if (badmatch(vp->value, "FALSE")) break;
408     return;
409     }
410     fprintf(stderr, "%s: illegal value for boolean variable '%s'\n",
411     progname, vp->name);
412     exit(1);
413     }
414    
415    
416     qualvalue(vp) /* check qualitative var. for legal values */
417     register VARIABLE *vp;
418     {
419     if (!vp->nass) return;
420     onevalue(vp);
421     switch (UPPER(vp->value[0])) {
422     case 'L':
423     if (badmatch(vp->value, "LOW")) break;
424     return;
425     case 'M':
426     if (badmatch(vp->value, "MEDIUM")) break;
427     return;
428     case 'H':
429     if (badmatch(vp->value, "HIGH")) break;
430     return;
431     }
432     fprintf(stderr, "%s: illegal value for qualitative variable '%s'\n",
433     progname, vp->name);
434     exit(1);
435     }
436    
437    
438     intvalue(vp) /* check integer variable for legal values */
439     register VARIABLE *vp;
440     {
441     if (!vp->nass) return;
442     onevalue(vp);
443     if (isint(vp->value)) return;
444     fprintf(stderr, "%s: illegal value for integer variable '%s'\n",
445     progname, vp->name);
446     exit(1);
447     }
448    
449    
450     fltvalue(vp) /* check float variable for legal values */
451     register VARIABLE *vp;
452     {
453     if (!vp->nass) return;
454     onevalue(vp);
455     if (isflt(vp->value)) return;
456     fprintf(stderr, "%s: illegal value for real variable '%s'\n",
457     progname, vp->name);
458     exit(1);
459     }
460    
461    
462 greg 2.26 unsigned long
463 greg 2.1 checklast(fnames) /* check files and find most recent */
464     register char *fnames;
465     {
466     char thisfile[MAXPATH];
467 greg 2.26 unsigned long thisdate, lastdate = 0;
468 greg 2.1 register char *cp;
469    
470 greg 2.26 if (fnames == NULL)
471     return(0);
472 greg 2.1 while (*fnames) {
473     while (isspace(*fnames)) fnames++;
474     cp = thisfile;
475 greg 2.4 while (*fnames && !isspace(*fnames))
476     *cp++ = *fnames++;
477 greg 2.1 *cp = '\0';
478 greg 2.26 if (!(thisdate = fdate(thisfile)))
479 greg 2.3 syserr(thisfile);
480 greg 2.1 if (thisdate > lastdate)
481     lastdate = thisdate;
482     }
483     return(lastdate);
484     }
485    
486    
487 greg 2.26 char *
488     newfname(orig, pred) /* create modified file name */
489     char *orig;
490     int pred;
491     {
492     extern char *rindex();
493     register char *cp;
494     register int n;
495     int suffix;
496    
497 greg 2.27 n = 0; cp = orig; suffix = -1; /* suffix position, length */
498     while (*cp) {
499     if (*cp == '.') suffix = n;
500     else if (ISDIRSEP(*cp)) suffix = -1;
501     cp++; n++;
502     }
503     if (suffix == -1) suffix = n;
504 greg 2.26 if ((cp = bmalloc(n+2)) == NULL)
505     syserr(progname);
506     strncpy(cp, orig, suffix);
507     cp[suffix] = pred; /* root name + pred + suffix */
508     strcpy(cp+suffix+1, orig+suffix);
509     return(cp);
510     }
511    
512    
513 greg 2.1 checkfiles() /* check for existence and modified times */
514     {
515 greg 2.26 unsigned long objdate;
516 greg 2.1
517 greg 2.2 if (!vdef(OCTREE)) {
518 greg 2.26 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
519 greg 2.3 syserr(progname);
520 greg 2.26 sprintf(vval(OCTREE), "%s.oct", radname);
521 greg 2.2 vdef(OCTREE)++;
522     }
523     octreedate = fdate(vval(OCTREE));
524 greg 2.26 if (vdef(ILLUM)) { /* illum requires secondary octrees */
525     oct0name = newfname(vval(OCTREE), '0');
526     oct1name = newfname(vval(OCTREE), '1');
527     oct0date = fdate(oct0name);
528     oct1date = fdate(oct1name);
529     } else
530     oct0name = oct1name = vval(OCTREE);
531     if ((scenedate = checklast(vval(SCENE))) &&
532     (objdate = checklast(vval(OBJECT))) > scenedate)
533     scenedate = objdate;
534     illumdate = checklast(vval(ILLUM));
535     if (!octreedate & !scenedate & !illumdate) {
536     fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
537     vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
538 greg 2.1 exit(1);
539     }
540 greg 2.26 matdate = checklast(vval(MATERIAL));
541 greg 2.1 }
542    
543    
544 greg 2.2 getoctcube(org, sizp) /* get octree bounding cube */
545     double org[3], *sizp;
546 greg 2.1 {
547 greg 2.2 extern FILE *popen();
548     static double oorg[3], osiz = 0.;
549 greg 2.26 double min[3], max[3];
550     char buf[512];
551 greg 2.1 FILE *fp;
552 greg 2.26 register int i;
553 greg 2.1
554 greg 2.26 if (osiz <= FTINY)
555     if (noaction && fdate(oct1name) <
556     (scenedate>illumdate?scenedate:illumdate)) {
557     /* run getbbox */
558     sprintf(buf, "getbbox -w -h %s",
559     vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
560     if ((fp = popen(buf, "r")) == NULL)
561     syserr("getbbox");
562     if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
563     &min[0], &max[0], &min[1], &max[1],
564     &min[2], &max[2]) != 6) {
565     fprintf(stderr,
566     "%s: error reading bounding box from getbbox\n",
567     progname);
568     exit(1);
569     }
570     for (i = 0; i < 3; i++)
571     if (max[i] - min[i] > osiz)
572     osiz = max[i] - min[i];
573     for (i = 0; i < 3; i++)
574     oorg[i] = (max[i]+min[i]-osiz)*.5;
575     pclose(fp);
576     } else { /* from octree */
577     oconv(); /* does nothing if done already */
578     sprintf(buf, "getinfo -d < %s", oct1name);
579     if ((fp = popen(buf, "r")) == NULL)
580     syserr("getinfo");
581     if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
582     &oorg[2], &osiz) != 4) {
583     fprintf(stderr,
584 greg 2.2 "%s: error reading bounding cube from getinfo\n",
585 greg 2.26 progname);
586     exit(1);
587     }
588     pclose(fp);
589 greg 2.2 }
590     org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
591     }
592    
593    
594     setdefaults() /* set default values for unassigned var's */
595     {
596     double org[3], size;
597     char buf[128];
598    
599 greg 2.1 if (!vdef(ZONE)) {
600 greg 2.2 getoctcube(org, &size);
601     sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
602     org[1], org[1]+size, org[2], org[2]+size);
603 greg 2.1 vval(ZONE) = savqstr(buf);
604     vdef(ZONE)++;
605     }
606     if (!vdef(INDIRECT)) {
607     vval(INDIRECT) = "0";
608     vdef(INDIRECT)++;
609     }
610     if (!vdef(QUALITY)) {
611     vval(QUALITY) = "L";
612     vdef(QUALITY)++;
613     }
614     if (!vdef(RESOLUTION)) {
615     vval(RESOLUTION) = "512";
616     vdef(RESOLUTION)++;
617     }
618     if (!vdef(PICTURE)) {
619     vval(PICTURE) = radname;
620     vdef(PICTURE)++;
621     }
622     if (!vdef(VIEW)) {
623     vval(VIEW) = "X";
624     vdef(VIEW)++;
625     }
626     if (!vdef(DETAIL)) {
627     vval(DETAIL) = "M";
628     vdef(DETAIL)++;
629     }
630     if (!vdef(PENUMBRAS)) {
631     vval(PENUMBRAS) = "F";
632     vdef(PENUMBRAS)++;
633     }
634     if (!vdef(VARIABILITY)) {
635     vval(VARIABILITY) = "L";
636     vdef(VARIABILITY)++;
637     }
638     }
639    
640    
641     printvals() /* print variable values */
642     {
643     register int i, j;
644    
645     for (i = 0; i < NVARS; i++)
646 greg 2.4 for (j = 0; j < vdef(i); j++)
647     printf("%s= %s\n", vnam(i), nvalue(vv+i, j));
648 greg 2.1 fflush(stdout);
649     }
650    
651    
652 greg 2.26 oconv() /* run oconv and mkillum if necessary */
653 greg 2.1 {
654 greg 2.26 static char illumtmp[] = "ilXXXXXX";
655     char combuf[512], ocopts[64], mkopts[64];
656 greg 2.1
657 greg 2.26 oconvopts(ocopts); /* get options */
658     if (octreedate < scenedate) { /* check date on original octree */
659     /* build command */
660     if (vdef(MATERIAL))
661     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
662     vval(MATERIAL), vval(SCENE), vval(OCTREE));
663     else
664     sprintf(combuf, "oconv%s %s > %s", ocopts,
665     vval(SCENE), vval(OCTREE));
666    
667     if (runcom(combuf)) { /* run it */
668     fprintf(stderr,
669     "%s: error generating octree\n\t%s removed\n",
670     progname, vval(OCTREE));
671     unlink(vval(OCTREE));
672     exit(1);
673     }
674 greg 2.34 octreedate = time((unsigned long *)NULL);
675 greg 2.26 }
676     if (oct1name == vval(OCTREE)) /* no mkillum? */
677     oct1date = octreedate > matdate ? octreedate : matdate;
678     if (oct1date >= octreedate & oct1date >= matdate
679     & oct1date >= illumdate) /* all done */
680 greg 2.1 return;
681 greg 2.26 /* make octree0 */
682     if (oct0date < scenedate | oct0date < illumdate) {
683     /* build command */
684     if (octreedate)
685     sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
686     vval(OCTREE), vval(ILLUM), oct0name);
687     else if (vdef(MATERIAL))
688     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
689     vval(MATERIAL), vval(ILLUM), oct0name);
690     else
691     sprintf(combuf, "oconv%s %s > %s", ocopts,
692     vval(ILLUM), oct0name);
693     if (runcom(combuf)) { /* run it */
694     fprintf(stderr,
695     "%s: error generating octree\n\t%s removed\n",
696     progname, oct0name);
697     unlink(oct0name);
698     exit(1);
699     }
700 greg 2.34 oct0date = time((unsigned long *)NULL);
701 greg 2.26 }
702     mkillumopts(mkopts); /* build mkillum command */
703     mktemp(illumtmp);
704     sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
705     oct0name, vval(ILLUM), illumtmp);
706     if (runcom(combuf)) { /* run it */
707     fprintf(stderr, "%s: error running mkillum\n", progname);
708     unlink(illumtmp);
709     exit(1);
710     }
711     /* make octree1 (frozen) */
712     if (octreedate)
713     sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
714     vval(OCTREE), illumtmp, oct1name);
715     else if (vdef(MATERIAL))
716     sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
717     vval(MATERIAL), illumtmp, oct1name);
718 greg 2.4 else
719 greg 2.26 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
720     illumtmp, oct1name);
721 greg 2.4 if (runcom(combuf)) { /* run it */
722 greg 2.26 fprintf(stderr,
723     "%s: error generating octree\n\t%s removed\n",
724     progname, oct1name);
725     unlink(oct1name);
726 greg 2.1 exit(1);
727     }
728 greg 2.34 oct1date = time((unsigned long *)NULL);
729 greg 2.26 rmfile(illumtmp);
730 greg 2.1 }
731    
732    
733     char *
734     addarg(op, arg) /* add argument and advance pointer */
735     register char *op, *arg;
736     {
737     *op = ' ';
738     while (*++op = *arg++)
739     ;
740     return(op);
741     }
742    
743    
744     oconvopts(oo) /* get oconv options */
745 greg 2.2 register char *oo;
746 greg 2.1 {
747 greg 2.2 /* BEWARE: This may be called via setdefaults(), so no assumptions */
748    
749 greg 2.1 *oo = '\0';
750     if (vdef(OCONV))
751     addarg(oo, vval(OCONV));
752     }
753    
754    
755 greg 2.26 mkillumopts(mo) /* get mkillum options */
756     register char *mo;
757     {
758     /* BEWARE: This may be called via setdefaults(), so no assumptions */
759    
760     *mo = '\0';
761     if (vdef(MKILLUM))
762     addarg(mo, vval(MKILLUM));
763     }
764    
765    
766 greg 2.7 checkambfile() /* check date on ambient file */
767     {
768 greg 2.26 unsigned long afdate;
769 greg 2.7
770 greg 2.11 if (!vdef(AMBFILE))
771     return;
772 greg 2.26 if (!(afdate = fdate(vval(AMBFILE))))
773 greg 2.11 return;
774 greg 2.26 if (oct1date > afdate)
775 greg 2.11 rmfile(vval(AMBFILE));
776 greg 2.7 }
777    
778    
779 greg 2.2 double
780     ambval() /* compute ambient value */
781 greg 2.1 {
782 greg 2.3 if (vdef(EXPOSURE)) {
783 greg 2.2 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
784     return(.5/pow(2.,atof(vval(EXPOSURE))));
785 greg 2.20 return(.5/atof(vval(EXPOSURE)));
786 greg 2.3 }
787 greg 2.2 if (vlet(ZONE) == 'E')
788     return(10.);
789 greg 2.3 if (vlet(ZONE) == 'I')
790 greg 2.2 return(.01);
791 greg 2.3 badvalue(ZONE);
792 greg 2.30 }
793    
794    
795     renderopts(op) /* set rendering options */
796     char *op;
797     {
798     switch(vscale(QUALITY)) {
799     case LOW:
800     lowqopts(op);
801     break;
802     case MEDIUM:
803     medqopts(op);
804     break;
805     case HIGH:
806 greg 2.32 hiqopts(op);
807 greg 2.30 break;
808     }
809 greg 2.2 }
810 greg 2.1
811 greg 2.2
812     lowqopts(op) /* low quality rendering options */
813     register char *op;
814     {
815     double d, org[3], siz[3];
816    
817 greg 2.1 *op = '\0';
818 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
819 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
820     badvalue(ZONE);
821 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
822     getoctcube(org, &d);
823     d *= 3./(siz[0]+siz[1]+siz[2]);
824     switch (vscale(DETAIL)) {
825     case LOW:
826 greg 2.23 op = addarg(op, "-ps 16 -dp 64");
827 greg 2.2 sprintf(op, " -ar %d", (int)(4*d));
828     op += strlen(op);
829     break;
830     case MEDIUM:
831 greg 2.23 op = addarg(op, "-ps 8 -dp 128");
832 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
833     op += strlen(op);
834     break;
835     case HIGH:
836 greg 2.23 op = addarg(op, "-ps 4 -dp 256");
837 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
838     op += strlen(op);
839     break;
840     }
841     op = addarg(op, "-pt .16");
842     if (vbool(PENUMBRAS))
843     op = addarg(op, "-ds .4");
844 greg 2.4 else
845     op = addarg(op, "-ds 0");
846 greg 2.17 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
847 greg 2.2 if (vdef(AMBFILE)) {
848     sprintf(op, " -af %s", vval(AMBFILE));
849     op += strlen(op);
850     } else
851     overture = 0;
852     switch (vscale(VARIABILITY)) {
853     case LOW:
854 greg 2.16 op = addarg(op, "-aa .4 -ad 64");
855 greg 2.2 break;
856     case MEDIUM:
857 greg 2.16 op = addarg(op, "-aa .3 -ad 128");
858 greg 2.2 break;
859     case HIGH:
860 greg 2.16 op = addarg(op, "-aa .25 -ad 256");
861 greg 2.2 break;
862     }
863     op = addarg(op, "-as 0");
864     d = ambval();
865     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
866     op += strlen(op);
867 greg 2.4 op = addarg(op, "-lr 3 -lw .02");
868 greg 2.1 if (vdef(RENDER))
869     op = addarg(op, vval(RENDER));
870     }
871    
872    
873 greg 2.2 medqopts(op) /* medium quality rendering options */
874     register char *op;
875 greg 2.1 {
876 greg 2.2 double d, org[3], siz[3];
877 greg 2.1
878     *op = '\0';
879 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
880 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
881     badvalue(ZONE);
882 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
883     getoctcube(org, &d);
884     d *= 3./(siz[0]+siz[1]+siz[2]);
885     switch (vscale(DETAIL)) {
886     case LOW:
887     op = addarg(op, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
888 greg 2.23 op = addarg(op, "-dp 256");
889 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
890     op += strlen(op);
891     break;
892     case MEDIUM:
893     op = addarg(op, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
894 greg 2.23 op = addarg(op, "-dp 512");
895 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
896     op += strlen(op);
897     break;
898     case HIGH:
899     op = addarg(op, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
900 greg 2.23 op = addarg(op, "-dp 1024");
901 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
902     op += strlen(op);
903     break;
904     }
905     op = addarg(op, "-pt .08");
906 greg 2.4 if (vbool(PENUMBRAS))
907 greg 2.28 op = addarg(op, "-ds .2 -dj .5");
908 greg 2.4 else
909 greg 2.2 op = addarg(op, "-ds .3");
910 greg 2.17 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
911 greg 2.5 if (overture = vint(INDIRECT)) {
912     sprintf(op, " -ab %d", overture);
913     op += strlen(op);
914     }
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 .25 -ad 196 -as 0");
923 greg 2.2 break;
924     case MEDIUM:
925 greg 2.16 op = addarg(op, "-aa .2 -ad 400 -as 64");
926 greg 2.2 break;
927     case HIGH:
928 greg 2.16 op = addarg(op, "-aa .15 -ad 768 -as 196");
929 greg 2.2 break;
930     }
931     d = ambval();
932     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
933     op += strlen(op);
934 greg 2.4 op = addarg(op, "-lr 6 -lw .002");
935 greg 2.1 if (vdef(RENDER))
936     op = addarg(op, vval(RENDER));
937     }
938    
939    
940 greg 2.2 hiqopts(op) /* high quality rendering options */
941     register char *op;
942 greg 2.1 {
943 greg 2.2 double d, org[3], siz[3];
944 greg 2.1
945     *op = '\0';
946 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
947 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
948     badvalue(ZONE);
949 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
950     getoctcube(org, &d);
951     d *= 3./(siz[0]+siz[1]+siz[2]);
952     switch (vscale(DETAIL)) {
953     case LOW:
954     op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
955 greg 2.23 op = addarg(op, "-dp 1024");
956 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
957     op += strlen(op);
958     break;
959     case MEDIUM:
960     op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
961 greg 2.23 op = addarg(op, "-dp 2048");
962 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
963     op += strlen(op);
964     break;
965     case HIGH:
966     op = addarg(op, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
967 greg 2.23 op = addarg(op, "-dp 4096");
968 greg 2.2 sprintf(op, " -ar %d", (int)(64*d));
969     op += strlen(op);
970     break;
971     }
972     op = addarg(op, "-pt .04");
973 greg 2.4 if (vbool(PENUMBRAS))
974     op = addarg(op, "-ds .1 -dj .7");
975     else
976 greg 2.2 op = addarg(op, "-ds .2");
977 greg 2.17 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
978 greg 2.2 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
979     op += strlen(op);
980     if (vdef(AMBFILE)) {
981     sprintf(op, " -af %s", vval(AMBFILE));
982     op += strlen(op);
983     } else
984     overture = 0;
985     switch (vscale(VARIABILITY)) {
986     case LOW:
987 greg 2.16 op = addarg(op, "-aa .15 -ad 256 -as 0");
988 greg 2.2 break;
989     case MEDIUM:
990 greg 2.16 op = addarg(op, "-aa .125 -ad 512 -as 256");
991 greg 2.2 break;
992     case HIGH:
993 greg 2.16 op = addarg(op, "-aa .08 -ad 1024 -as 512");
994 greg 2.2 break;
995     }
996     d = ambval();
997     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
998     op += strlen(op);
999 greg 2.4 op = addarg(op, "-lr 12 -lw .0005");
1000 greg 2.1 if (vdef(RENDER))
1001     op = addarg(op, vval(RENDER));
1002     }
1003    
1004    
1005     xferopts(ro) /* transfer options if indicated */
1006     char *ro;
1007     {
1008     int fd, n;
1009 greg 2.10 register char *cp;
1010 greg 2.1
1011     n = strlen(ro);
1012     if (n < 2)
1013     return;
1014     if (vdef(OPTFILE)) {
1015 greg 2.10 for (cp = ro; cp[1]; cp++)
1016     if (isspace(cp[1]) && cp[2] == '-' && isalpha(cp[3]))
1017     *cp = '\n';
1018     else
1019     *cp = cp[1];
1020     *cp = '\n';
1021     fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
1022     if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
1023 greg 2.3 syserr(vval(OPTFILE));
1024 greg 2.15 sprintf(ro, " @%s", vval(OPTFILE));
1025 greg 2.1 }
1026     #ifdef MSDOS
1027     else if (n > 50) {
1028 greg 2.8 setenv("ROPT", ro+1);
1029 greg 2.1 strcpy(ro, " $ROPT");
1030     }
1031     #endif
1032     }
1033    
1034    
1035     pfiltopts(po) /* get pfilt options */
1036     register char *po;
1037     {
1038     *po = '\0';
1039     if (vdef(EXPOSURE)) {
1040     po = addarg(po, "-1 -e");
1041     po = addarg(po, vval(EXPOSURE));
1042     }
1043 greg 2.12 switch (vscale(QUALITY)) {
1044     case MEDIUM:
1045     po = addarg(po, "-r 1");
1046     break;
1047     case HIGH:
1048 greg 2.14 po = addarg(po, "-m .25");
1049 greg 2.12 break;
1050     }
1051 greg 2.1 if (vdef(PFILT))
1052     po = addarg(po, vval(PFILT));
1053     }
1054    
1055    
1056     matchword(s1, s2) /* match white-delimited words */
1057     register char *s1, *s2;
1058     {
1059     while (isspace(*s1)) s1++;
1060     while (isspace(*s2)) s2++;
1061     while (*s1 && !isspace(*s1))
1062     if (*s1++ != *s2++)
1063     return(0);
1064     return(!*s2 || isspace(*s2));
1065     }
1066    
1067    
1068     char *
1069     specview(vs) /* get proper view spec from vs */
1070     register char *vs;
1071     {
1072 greg 2.3 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
1073     "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
1074 greg 2.1 static char viewopts[128];
1075     register char *cp;
1076 greg 2.3 int xpos, ypos, zpos, viewtype, upax;
1077     register int i;
1078 greg 2.1 double cent[3], dim[3], mult, d;
1079    
1080 greg 2.9 if (vs == NULL || *vs == '-')
1081 greg 2.1 return(vs);
1082 greg 2.3 upax = 0; /* get the up vector */
1083     if (vdef(UP)) {
1084     if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
1085     upax = 1-'X'+UPPER(vval(UP)[1]);
1086     else
1087     upax = 1-'X'+vlet(UP);
1088     if (upax < 1 | upax > 3)
1089     badvalue(UP);
1090     if (vval(UP)[0] == '-')
1091     upax = -upax;
1092     }
1093 greg 2.1 /* check standard view names */
1094     xpos = ypos = zpos = 0;
1095     if (*vs == 'X') {
1096     xpos = 1; vs++;
1097     } else if (*vs == 'x') {
1098     xpos = -1; vs++;
1099     }
1100     if (*vs == 'Y') {
1101     ypos = 1; vs++;
1102     } else if (*vs == 'y') {
1103     ypos = -1; vs++;
1104     }
1105     if (*vs == 'Z') {
1106     zpos = 1; vs++;
1107     } else if (*vs == 'z') {
1108     zpos = -1; vs++;
1109     }
1110 greg 2.3 viewtype = 'v';
1111 greg 2.1 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h')
1112     viewtype = *vs++;
1113     cp = viewopts;
1114 greg 2.3 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1115 greg 2.1 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1116     if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1117     &cent[0], &dim[0], &cent[1], &dim[1],
1118 greg 2.3 &cent[2], &dim[2]) != 6)
1119     badvalue(ZONE);
1120     for (i = 0; i < 3; i++) {
1121     dim[i] -= cent[i];
1122     cent[i] += .5*dim[i];
1123 greg 2.1 }
1124 greg 2.3 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1125 greg 2.1 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1126     cent[0]+xpos*mult*dim[0],
1127     cent[1]+ypos*mult*dim[1],
1128     cent[2]+zpos*mult*dim[2],
1129     -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1130     cp += strlen(cp);
1131 greg 2.3 /* redirect up axis if necessary */
1132     switch (upax) {
1133     case 3: /* plus or minus Z axis */
1134     case -3:
1135     case 0:
1136     if (!(xpos|ypos))
1137     upax = 2;
1138 greg 2.1 break;
1139 greg 2.3 case 2: /* plus or minus Y axis */
1140     case -2:
1141     if (!(xpos|zpos))
1142     upax = 1;
1143     break;
1144     case 1: /* plus or minus X axis */
1145     case -1:
1146     if (!(ypos|zpos))
1147     upax = 3;
1148     break;
1149 greg 2.1 }
1150 greg 2.3 cp = addarg(cp, vup[upax+3]);
1151 greg 2.1 switch (viewtype) {
1152     case 'v':
1153     cp = addarg(cp, "-vh 45 -vv 45");
1154     break;
1155     case 'l':
1156     d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1157     sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1158     cp += strlen(cp);
1159     break;
1160     case 'a':
1161     case 'h':
1162     cp = addarg(cp, "-vh 180 -vv 180");
1163     break;
1164     }
1165 greg 2.3 } else {
1166 greg 2.4 while (!isspace(*vs)) /* else skip id */
1167     if (!*vs++)
1168     return(NULL);
1169 greg 2.3 if (upax) { /* specify up vector */
1170     strcpy(cp, vup[upax+3]);
1171     cp += strlen(cp);
1172     }
1173     }
1174 greg 2.26 if (cp == viewopts) /* append any additional options */
1175     vs++; /* skip prefixed space if unneeded */
1176     strcpy(cp, vs);
1177 greg 2.8 #ifdef MSDOS
1178     if (strlen(viewopts) > 40) {
1179     setenv("VIEW", viewopts);
1180     return("$VIEW");
1181     }
1182     #endif
1183 greg 2.1 return(viewopts);
1184     }
1185    
1186    
1187     char *
1188     getview(n, vn) /* get view n, or NULL if none */
1189     int n;
1190 greg 2.8 char *vn; /* returned view name */
1191 greg 2.1 {
1192 greg 2.19 register char *mv;
1193 greg 2.1
1194 greg 2.8 if (viewselect != NULL) { /* command-line selected */
1195 greg 2.1 if (n) /* only do one */
1196     return(NULL);
1197     if (viewselect[0] == '-') { /* already specified */
1198     if (vn != NULL) *vn = '\0';
1199     return(viewselect);
1200     }
1201     if (vn != NULL) {
1202     for (mv = viewselect; *mv && !isspace(*mv);
1203     *vn++ = *mv++)
1204     ;
1205     *vn = '\0';
1206     }
1207 greg 2.19 /* view number? */
1208 greg 2.20 if (isint(viewselect))
1209 greg 2.19 return(specview(nvalue(vv+VIEW, atoi(viewselect)-1)));
1210 greg 2.1 /* check list */
1211     while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1212     if (matchword(viewselect, mv))
1213     return(specview(mv));
1214     return(specview(viewselect)); /* standard view? */
1215     }
1216 greg 2.8 mv = nvalue(vv+VIEW, n); /* use view n */
1217     if (vn != NULL & mv != NULL) {
1218 greg 2.19 register char *mv2 = mv;
1219     if (*mv2 != '-')
1220     while (*mv2 && !isspace(*mv2))
1221     *vn++ = *mv2++;
1222 greg 2.1 *vn = '\0';
1223     }
1224 greg 2.8 return(specview(mv));
1225 greg 2.20 }
1226    
1227    
1228 greg 2.21 printview(vopts) /* print out selected view */
1229     register char *vopts;
1230 greg 2.20 {
1231 greg 2.24 extern char *atos(), *getenv();
1232 greg 2.20 char buf[256];
1233     FILE *fp;
1234 greg 2.21 register char *cp;
1235 greg 2.20
1236     if (vopts == NULL)
1237     return(-1);
1238     fputs("VIEW=", stdout);
1239     do {
1240     if (matchword(vopts, "-vf")) { /* expand view file */
1241     vopts = sskip(vopts);
1242     if (!*atos(buf, sizeof(buf), vopts))
1243     return(-1);
1244     if ((fp = fopen(buf, "r")) == NULL)
1245     return(-1);
1246     for (buf[sizeof(buf)-2] = '\n';
1247     fgets(buf, sizeof(buf), fp) != NULL &&
1248     buf[0] != '\n';
1249     buf[sizeof(buf)-2] = '\n') {
1250     if (buf[sizeof(buf)-2] != '\n') {
1251     ungetc(buf[sizeof(buf)-2], fp);
1252     buf[sizeof(buf)-2] = '\0';
1253     }
1254     if (matchword(buf, "VIEW=") ||
1255     matchword(buf, "rview")) {
1256     for (cp = sskip(buf); *cp && *cp != '\n'; cp++)
1257     putchar(*cp);
1258     }
1259     }
1260     fclose(fp);
1261     vopts = sskip(vopts);
1262     } else {
1263     while (isspace(*vopts))
1264     vopts++;
1265     putchar(' ');
1266 greg 2.24 #ifdef MSDOS
1267     if (*vopts == '$') { /* expand env. var. */
1268     if (!*atos(buf, sizeof(buf), vopts+1))
1269     return(-1);
1270     if ((cp = getenv(buf)) == NULL)
1271     return(-1);
1272     fputs(cp, stdout);
1273     vopts = sskip(vopts);
1274     } else
1275     #endif
1276     while (*vopts && !isspace(*vopts))
1277     putchar(*vopts++);
1278 greg 2.20 }
1279     } while (*vopts++);
1280     putchar('\n');
1281     return(0);
1282 greg 2.1 }
1283    
1284    
1285     rview(opts) /* run rview with first view */
1286     char *opts;
1287     {
1288 greg 2.21 char *vw;
1289 greg 2.1 char combuf[512];
1290     /* build command */
1291 greg 2.21 if ((vw = getview(0, NULL)) == NULL)
1292     return;
1293     if (sayview)
1294     printview(vw);
1295 greg 2.22 sprintf(combuf, "rview %s%s -R %s ", vw, opts, rifname);
1296 greg 2.1 if (rvdevice != NULL)
1297     sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1298 greg 2.29 if (vdef(EXPOSURE))
1299     sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1300 greg 2.26 strcat(combuf, oct1name);
1301 greg 2.4 if (runcom(combuf)) { /* run it */
1302 greg 2.1 fprintf(stderr, "%s: error running rview\n", progname);
1303     exit(1);
1304     }
1305     }
1306    
1307    
1308     rpict(opts) /* run rpict and pfilt for each view */
1309     char *opts;
1310     {
1311 greg 2.2 char combuf[1024];
1312 greg 2.3 char rawfile[MAXPATH], picfile[MAXPATH], rep[MAXPATH+16], res[32];
1313     char pfopts[128];
1314 greg 2.1 char vs[32], *vw;
1315     int vn, mult;
1316     /* get pfilt options */
1317     pfiltopts(pfopts);
1318     /* get resolution, reporting */
1319 greg 2.31 switch (vscale(QUALITY)) {
1320     case LOW:
1321     mult = 1;
1322     break;
1323     case MEDIUM:
1324     mult = 2;
1325     break;
1326     case HIGH:
1327     mult = 3;
1328     break;
1329     }
1330 greg 2.1 {
1331     int xres, yres;
1332     double aspect;
1333     int n;
1334     n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1335     if (n == 3)
1336     sprintf(res, "-x %d -y %d -pa %.3f",
1337     mult*xres, mult*yres, aspect);
1338     else if (n) {
1339     if (n == 1) yres = xres;
1340     sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1341 greg 2.3 } else
1342     badvalue(RESOLUTION);
1343 greg 2.1 }
1344     rep[0] = '\0';
1345     if (vdef(REPORT)) {
1346     double minutes;
1347     int n;
1348     n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1349     if (n == 2)
1350     sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1351     else if (n == 1)
1352     sprintf(rep, " -t %d", (int)(minutes*60));
1353 greg 2.3 else
1354     badvalue(REPORT);
1355 greg 2.1 }
1356     /* do each view */
1357     vn = 0;
1358     while ((vw = getview(vn++, vs)) != NULL) {
1359 greg 2.21 if (sayview)
1360     printview(vw);
1361 greg 2.1 if (!vs[0])
1362     sprintf(vs, "%d", vn);
1363     sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1364     /* check date on picture */
1365 greg 2.26 if (fdate(picfile) >= oct1date)
1366 greg 2.1 continue;
1367     /* build rpict command */
1368     sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
1369 greg 2.26 if (fdate(rawfile) >= oct1date) /* recover */
1370 greg 2.1 sprintf(combuf, "rpict%s%s -ro %s %s",
1371 greg 2.26 rep, opts, rawfile, oct1name);
1372 greg 2.1 else {
1373     if (overture) { /* run overture calculation */
1374     sprintf(combuf,
1375     "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1376     rep, vw, opts,
1377 greg 2.26 oct1name, overfile);
1378 greg 2.4 if (runcom(combuf)) {
1379 greg 2.1 fprintf(stderr,
1380 greg 2.6 "%s: error in overture for view %s\n",
1381     progname, vs);
1382 greg 2.1 exit(1);
1383     }
1384 greg 2.6 #ifdef NIX
1385     rmfile(overfile);
1386     #endif
1387 greg 2.1 }
1388     sprintf(combuf, "rpict%s %s %s%s %s > %s",
1389     rep, vw, res, opts,
1390 greg 2.29 oct1name, rawfile);
1391 greg 2.1 }
1392 greg 2.4 if (runcom(combuf)) { /* run rpict */
1393 greg 2.1 fprintf(stderr, "%s: error rendering view %s\n",
1394     progname, vs);
1395     exit(1);
1396     }
1397     /* build pfilt command */
1398     if (mult > 1)
1399     sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1400     pfopts, mult, mult, rawfile, picfile);
1401     else
1402     sprintf(combuf, "pfilt%s %s > %s", pfopts,
1403     rawfile, picfile);
1404 greg 2.4 if (runcom(combuf)) { /* run pfilt */
1405 greg 2.1 fprintf(stderr,
1406     "%s: error filtering view %s\n\t%s removed\n",
1407     progname, vs, picfile);
1408     unlink(picfile);
1409     exit(1);
1410     }
1411     /* remove raw file */
1412 greg 2.4 rmfile(rawfile);
1413     }
1414     }
1415    
1416    
1417     runcom(cs) /* run command */
1418     char *cs;
1419     {
1420     if (!silent) /* echo it */
1421     printf("\t%s\n", cs);
1422     if (noaction)
1423     return(0);
1424     fflush(stdout); /* flush output and pass to shell */
1425     return(system(cs));
1426     }
1427    
1428    
1429     rmfile(fn) /* remove a file */
1430     char *fn;
1431     {
1432     if (!silent)
1433 greg 2.1 #ifdef MSDOS
1434 greg 2.4 printf("\tdel %s\n", fn);
1435 greg 2.1 #else
1436 greg 2.4 printf("\trm -f %s\n", fn);
1437 greg 2.1 #endif
1438 greg 2.4 if (noaction)
1439     return(0);
1440     return(unlink(fn));
1441 greg 2.3 }
1442 greg 2.8
1443    
1444     #ifdef MSDOS
1445     setenv(vname, value) /* set an environment variable */
1446     char *vname, *value;
1447     {
1448     register char *evp;
1449    
1450     evp = bmalloc(strlen(vname)+strlen(value)+2);
1451     if (evp == NULL)
1452     syserr(progname);
1453     sprintf(evp, "%s=%s", vname, value);
1454     if (putenv(evp) != 0) {
1455     fprintf(stderr, "%s: out of environment space\n", progname);
1456     exit(1);
1457     }
1458     if (!silent)
1459     printf("set %s\n", evp);
1460     }
1461     #endif
1462 greg 2.3
1463    
1464     badvalue(vc) /* report bad variable value and exit */
1465     int vc;
1466     {
1467     fprintf(stderr, "%s: bad value for variable '%s'\n",
1468     progname, vnam(vc));
1469     exit(1);
1470     }
1471    
1472    
1473     syserr(s) /* report a system error and exit */
1474     char *s;
1475     {
1476     perror(s);
1477     exit(1);
1478 greg 2.1 }