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root/radiance/ray/src/util/rad.c
Revision: 2.28
Committed: Thu Oct 28 11:48:29 1993 UTC (30 years, 5 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.27: +1 -1 lines
Log Message:
increased direct jitter for medium quality penumbras

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