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root/radiance/ray/src/util/rad.c
Revision: 2.57
Committed: Wed Jun 10 17:51:06 1998 UTC (25 years, 9 months ago) by gwlarson
Content type: text/plain
Branch: MAIN
Changes since 2.56: +28 -26 lines
Log Message:
added EYESEP variable for stereo viewing

File Contents

# User Rev Content
1 gwlarson 2.57 /* Copyright (c) 1998 Silicon Graphics, Inc. */
2 greg 2.1
3     #ifndef lint
4 gwlarson 2.57 static char SCCSid[] = "$SunId$ SGI";
5 greg 2.1 #endif
6    
7     /*
8     * Executive program for oconv, rpict and pfilt
9     */
10    
11     #include "standard.h"
12 gregl 2.55 #include "view.h"
13 greg 2.1 #include "paths.h"
14 greg 2.48 #include "vars.h"
15 greg 2.1 #include <ctype.h>
16 greg 2.35 #include <sys/types.h>
17 greg 2.1
18 gwlarson 2.56 /* variables (alphabetical by name) */
19     #define AMBFILE 0 /* ambient file name */
20     #define DETAIL 1 /* level of scene detail */
21     #define EXPOSURE 2 /* picture exposure setting */
22 gwlarson 2.57 #define EYESEP 3 /* interocular distance */
23     #define ILLUM 4 /* mkillum input files */
24     #define INDIRECT 5 /* indirection in lighting */
25     #define MATERIAL 6 /* material files */
26     #define MKILLUM 7 /* mkillum options */
27     #define OBJECT 8 /* object files */
28     #define OCONV 9 /* oconv options */
29     #define OCTREE 10 /* octree file name */
30     #define OPTFILE 11 /* rendering options file */
31     #define PENUMBRAS 12 /* shadow penumbras are desired */
32     #define PFILT 13 /* pfilt options */
33     #define PICTURE 14 /* picture file root name */
34     #define QUALITY 15 /* desired rendering quality */
35     #define RAWFILE 16 /* raw picture file root name */
36     #define RENDER 17 /* rendering options */
37     #define REPORT 18 /* report frequency and errfile */
38     #define RESOLUTION 19 /* maximum picture resolution */
39     #define SCENE 20 /* scene files */
40     #define UP 21 /* view up (X, Y or Z) */
41     #define VARIABILITY 22 /* level of light variability */
42     #define VIEWS 23 /* view(s) for picture(s) */
43     #define ZFILE 24 /* distance file root name */
44     #define ZONE 25 /* simulation zone */
45 greg 2.1 /* total number of variables */
46 gwlarson 2.57 int NVARS = 26;
47 greg 2.1
48 greg 2.48 VARIABLE vv[] = { /* variable-value pairs */
49 gwlarson 2.56 {"AMBFILE", 3, 0, NULL, onevalue},
50     {"DETAIL", 3, 0, NULL, qualvalue},
51     {"EXPOSURE", 3, 0, NULL, fltvalue},
52 gwlarson 2.57 {"EYESEP", 3, 0, NULL, fltvalue},
53 gwlarson 2.56 {"illum", 3, 0, NULL, catvalues},
54     {"INDIRECT", 3, 0, NULL, intvalue},
55 greg 2.1 {"materials", 3, 0, NULL, catvalues},
56 greg 2.26 {"mkillum", 3, 0, NULL, catvalues},
57 gwlarson 2.56 {"objects", 3, 0, NULL, catvalues},
58 greg 2.1 {"oconv", 3, 0, NULL, catvalues},
59 gwlarson 2.56 {"OCTREE", 3, 0, NULL, onevalue},
60     {"OPTFILE", 3, 0, NULL, onevalue},
61     {"PENUMBRAS", 3, 0, NULL, boolvalue},
62 greg 2.1 {"pfilt", 2, 0, NULL, catvalues},
63 gwlarson 2.56 {"PICTURE", 3, 0, NULL, onevalue},
64 greg 2.30 {"QUALITY", 3, 0, NULL, qualvalue},
65 gwlarson 2.56 {"RAWFILE", 3, 0, NULL, onevalue},
66     {"render", 3, 0, NULL, catvalues},
67     {"REPORT", 3, 0, NULL, onevalue},
68 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
69 gwlarson 2.56 {"scene", 3, 0, NULL, catvalues},
70 greg 2.1 {"UP", 2, 0, NULL, onevalue},
71 greg 2.30 {"VARIABILITY", 3, 0, NULL, qualvalue},
72 gwlarson 2.56 {"view", 2, 0, NULL, NULL},
73 greg 2.45 {"ZFILE", 2, 0, NULL, onevalue},
74 gwlarson 2.56 {"ZONE", 2, 0, NULL, onevalue},
75 greg 2.1 };
76    
77 greg 2.6 /* overture calculation file */
78     #ifdef NIX
79 greg 2.45 char overfile[] = "overture.unf";
80 greg 2.6 #else
81     char overfile[] = "/dev/null";
82     #endif
83    
84 greg 2.35 extern time_t fdate(), time();
85 greg 2.1
86 greg 2.35 time_t scenedate; /* date of latest scene or object file */
87     time_t octreedate; /* date of octree */
88     time_t matdate; /* date of latest material file */
89     time_t illumdate; /* date of last illum file */
90 greg 2.1
91 greg 2.26 char *oct0name; /* name of pre-mkillum octree */
92 greg 2.35 time_t oct0date; /* date of pre-mkillum octree */
93 greg 2.26 char *oct1name; /* name of post-mkillum octree */
94 greg 2.35 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
95 greg 2.26
96 greg 2.37 int nowarn = 0; /* no warnings */
97 greg 2.1 int explicate = 0; /* explicate variables */
98     int silent = 0; /* do work silently */
99 greg 2.41 int touchonly = 0; /* touch files only */
100 greg 2.1 int noaction = 0; /* don't do anything */
101 greg 2.21 int sayview = 0; /* print view out */
102 greg 2.1 char *rvdevice = NULL; /* rview output device */
103     char *viewselect = NULL; /* specific view only */
104    
105     int overture = 0; /* overture calculation needed */
106    
107     char *progname; /* global argv[0] */
108 greg 2.22 char *rifname; /* global rad input file name */
109 greg 2.1
110     char radname[MAXPATH]; /* root Radiance file name */
111    
112    
113     main(argc, argv)
114     int argc;
115     char *argv[];
116     {
117     char ropts[512];
118 greg 2.38 char popts[64];
119 greg 2.1 int i;
120    
121     progname = argv[0];
122     /* get options */
123     for (i = 1; i < argc && argv[i][0] == '-'; i++)
124     switch (argv[i][1]) {
125     case 's':
126     silent++;
127     break;
128     case 'n':
129     noaction++;
130     break;
131 greg 2.41 case 't':
132     touchonly++;
133     break;
134 greg 2.1 case 'e':
135     explicate++;
136     break;
137     case 'o':
138     rvdevice = argv[++i];
139     break;
140 greg 2.20 case 'V':
141 greg 2.21 sayview++;
142     break;
143 greg 2.1 case 'v':
144     viewselect = argv[++i];
145     break;
146 greg 2.37 case 'w':
147     nowarn++;
148     break;
149 greg 2.1 default:
150     goto userr;
151     }
152     if (i >= argc)
153     goto userr;
154 greg 2.22 rifname = argv[i];
155 greg 2.1 /* assign Radiance root file name */
156 greg 2.22 rootname(radname, rifname);
157 greg 2.1 /* load variable values */
158 greg 2.48 loadvars(rifname);
159 greg 2.1 /* get any additional assignments */
160     for (i++; i < argc; i++)
161 greg 2.53 if (setvariable(argv[i], matchvar) < 0) {
162     fprintf(stderr, "%s: unknown variable: %s\n",
163     progname, argv[i]);
164     quit(1);
165     }
166 greg 2.1 /* check assignments */
167     checkvalues();
168     /* check files and dates */
169     checkfiles();
170     /* set default values as necessary */
171     setdefaults();
172     /* print all values if requested */
173     if (explicate)
174 greg 2.48 printvars(stdout);
175 greg 2.26 /* build octree (and run mkillum) */
176 greg 2.7 oconv();
177     /* check date on ambient file */
178     checkambfile();
179 greg 2.1 /* run simulation */
180 greg 2.38 renderopts(ropts, popts);
181 greg 2.1 xferopts(ropts);
182     if (rvdevice != NULL)
183 greg 2.38 rview(ropts, popts);
184 greg 2.1 else
185 greg 2.38 rpict(ropts, popts);
186 greg 2.53 quit(0);
187 greg 2.1 userr:
188     fprintf(stderr,
189 gwlarson 2.57 "Usage: %s [-w][-s][-n][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
190 greg 2.1 progname);
191 greg 2.53 quit(1);
192 greg 2.1 }
193    
194    
195     rootname(rn, fn) /* remove tail from end of fn */
196     register char *rn, *fn;
197     {
198     char *tp, *dp;
199    
200     for (tp = NULL, dp = rn; *rn = *fn++; rn++)
201     if (ISDIRSEP(*rn))
202     dp = rn;
203     else if (*rn == '.')
204     tp = rn;
205     if (tp != NULL && tp > dp)
206     *tp = '\0';
207     }
208    
209    
210 greg 2.35 time_t
211 greg 2.1 checklast(fnames) /* check files and find most recent */
212     register char *fnames;
213     {
214     char thisfile[MAXPATH];
215 greg 2.35 time_t thisdate, lastdate = 0;
216 greg 2.1 register char *cp;
217    
218 greg 2.26 if (fnames == NULL)
219     return(0);
220 greg 2.1 while (*fnames) {
221     while (isspace(*fnames)) fnames++;
222     cp = thisfile;
223 greg 2.4 while (*fnames && !isspace(*fnames))
224     *cp++ = *fnames++;
225 greg 2.1 *cp = '\0';
226 greg 2.26 if (!(thisdate = fdate(thisfile)))
227 greg 2.3 syserr(thisfile);
228 greg 2.1 if (thisdate > lastdate)
229     lastdate = thisdate;
230     }
231     return(lastdate);
232     }
233    
234    
235 greg 2.26 char *
236     newfname(orig, pred) /* create modified file name */
237     char *orig;
238     int pred;
239     {
240     extern char *rindex();
241     register char *cp;
242     register int n;
243     int suffix;
244    
245 greg 2.27 n = 0; cp = orig; suffix = -1; /* suffix position, length */
246     while (*cp) {
247     if (*cp == '.') suffix = n;
248     else if (ISDIRSEP(*cp)) suffix = -1;
249     cp++; n++;
250     }
251     if (suffix == -1) suffix = n;
252 greg 2.26 if ((cp = bmalloc(n+2)) == NULL)
253     syserr(progname);
254     strncpy(cp, orig, suffix);
255     cp[suffix] = pred; /* root name + pred + suffix */
256     strcpy(cp+suffix+1, orig+suffix);
257     return(cp);
258     }
259    
260    
261 greg 2.1 checkfiles() /* check for existence and modified times */
262     {
263 greg 2.35 time_t objdate;
264 greg 2.1
265 greg 2.2 if (!vdef(OCTREE)) {
266 greg 2.26 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
267 greg 2.3 syserr(progname);
268 greg 2.26 sprintf(vval(OCTREE), "%s.oct", radname);
269 greg 2.2 vdef(OCTREE)++;
270     }
271     octreedate = fdate(vval(OCTREE));
272 greg 2.26 if (vdef(ILLUM)) { /* illum requires secondary octrees */
273     oct0name = newfname(vval(OCTREE), '0');
274     oct1name = newfname(vval(OCTREE), '1');
275     oct0date = fdate(oct0name);
276     oct1date = fdate(oct1name);
277     } else
278     oct0name = oct1name = vval(OCTREE);
279     if ((scenedate = checklast(vval(SCENE))) &&
280     (objdate = checklast(vval(OBJECT))) > scenedate)
281     scenedate = objdate;
282     illumdate = checklast(vval(ILLUM));
283     if (!octreedate & !scenedate & !illumdate) {
284     fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
285     vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
286 greg 2.53 quit(1);
287 greg 2.1 }
288 greg 2.26 matdate = checklast(vval(MATERIAL));
289 greg 2.1 }
290    
291    
292 greg 2.2 getoctcube(org, sizp) /* get octree bounding cube */
293     double org[3], *sizp;
294 greg 2.1 {
295 greg 2.2 extern FILE *popen();
296     static double oorg[3], osiz = 0.;
297 greg 2.26 double min[3], max[3];
298 greg 2.46 char buf[1024];
299 greg 2.1 FILE *fp;
300 greg 2.26 register int i;
301 greg 2.1
302 greg 2.26 if (osiz <= FTINY)
303     if (noaction && fdate(oct1name) <
304     (scenedate>illumdate?scenedate:illumdate)) {
305     /* run getbbox */
306     sprintf(buf, "getbbox -w -h %s",
307     vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
308     if ((fp = popen(buf, "r")) == NULL)
309     syserr("getbbox");
310     if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
311     &min[0], &max[0], &min[1], &max[1],
312     &min[2], &max[2]) != 6) {
313     fprintf(stderr,
314     "%s: error reading bounding box from getbbox\n",
315     progname);
316 greg 2.53 quit(1);
317 greg 2.26 }
318     for (i = 0; i < 3; i++)
319     if (max[i] - min[i] > osiz)
320     osiz = max[i] - min[i];
321     for (i = 0; i < 3; i++)
322     oorg[i] = (max[i]+min[i]-osiz)*.5;
323     pclose(fp);
324     } else { /* from octree */
325     oconv(); /* does nothing if done already */
326     sprintf(buf, "getinfo -d < %s", oct1name);
327     if ((fp = popen(buf, "r")) == NULL)
328     syserr("getinfo");
329     if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
330     &oorg[2], &osiz) != 4) {
331     fprintf(stderr,
332 greg 2.2 "%s: error reading bounding cube from getinfo\n",
333 greg 2.26 progname);
334 greg 2.53 quit(1);
335 greg 2.26 }
336     pclose(fp);
337 greg 2.2 }
338     org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
339     }
340    
341    
342     setdefaults() /* set default values for unassigned var's */
343     {
344     double org[3], size;
345     char buf[128];
346    
347 greg 2.1 if (!vdef(ZONE)) {
348 greg 2.2 getoctcube(org, &size);
349     sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
350     org[1], org[1]+size, org[2], org[2]+size);
351 greg 2.1 vval(ZONE) = savqstr(buf);
352     vdef(ZONE)++;
353     }
354     if (!vdef(INDIRECT)) {
355     vval(INDIRECT) = "0";
356     vdef(INDIRECT)++;
357     }
358     if (!vdef(QUALITY)) {
359     vval(QUALITY) = "L";
360     vdef(QUALITY)++;
361     }
362     if (!vdef(RESOLUTION)) {
363     vval(RESOLUTION) = "512";
364     vdef(RESOLUTION)++;
365     }
366     if (!vdef(PICTURE)) {
367     vval(PICTURE) = radname;
368     vdef(PICTURE)++;
369     }
370 gregl 2.55 if (!vdef(VIEWS)) {
371     vval(VIEWS) = "X";
372     vdef(VIEWS)++;
373 greg 2.1 }
374     if (!vdef(DETAIL)) {
375     vval(DETAIL) = "M";
376     vdef(DETAIL)++;
377     }
378     if (!vdef(PENUMBRAS)) {
379     vval(PENUMBRAS) = "F";
380     vdef(PENUMBRAS)++;
381     }
382     if (!vdef(VARIABILITY)) {
383     vval(VARIABILITY) = "L";
384     vdef(VARIABILITY)++;
385     }
386     }
387    
388    
389 greg 2.26 oconv() /* run oconv and mkillum if necessary */
390 greg 2.1 {
391 greg 2.26 static char illumtmp[] = "ilXXXXXX";
392 greg 2.46 char combuf[1024], ocopts[64], mkopts[64];
393 greg 2.1
394 greg 2.26 oconvopts(ocopts); /* get options */
395     if (octreedate < scenedate) { /* check date on original octree */
396 greg 2.41 if (touchonly && octreedate)
397     touch(vval(OCTREE));
398     else { /* build command */
399     if (vdef(MATERIAL))
400     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
401     vval(MATERIAL), vval(SCENE),
402     vval(OCTREE));
403     else
404     sprintf(combuf, "oconv%s %s > %s", ocopts,
405     vval(SCENE), vval(OCTREE));
406    
407     if (runcom(combuf)) { /* run it */
408     fprintf(stderr,
409 greg 2.26 "%s: error generating octree\n\t%s removed\n",
410 greg 2.41 progname, vval(OCTREE));
411     unlink(vval(OCTREE));
412 greg 2.53 quit(1);
413 greg 2.41 }
414 greg 2.26 }
415 greg 2.35 octreedate = time((time_t *)NULL);
416 greg 2.40 if (octreedate < scenedate) /* in case clock is off */
417     octreedate = scenedate;
418 greg 2.26 }
419     if (oct1name == vval(OCTREE)) /* no mkillum? */
420     oct1date = octreedate > matdate ? octreedate : matdate;
421     if (oct1date >= octreedate & oct1date >= matdate
422     & oct1date >= illumdate) /* all done */
423 greg 2.1 return;
424 greg 2.26 /* make octree0 */
425     if (oct0date < scenedate | oct0date < illumdate) {
426 greg 2.41 if (touchonly && oct0date)
427     touch(oct0name);
428     else { /* build command */
429     if (octreedate)
430     sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
431     vval(OCTREE), vval(ILLUM), oct0name);
432     else if (vdef(MATERIAL))
433     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
434     vval(MATERIAL), vval(ILLUM), oct0name);
435     else
436     sprintf(combuf, "oconv%s %s > %s", ocopts,
437     vval(ILLUM), oct0name);
438     if (runcom(combuf)) { /* run it */
439     fprintf(stderr,
440     "%s: error generating octree\n\t%s removed\n",
441     progname, oct0name);
442     unlink(oct0name);
443 greg 2.53 quit(1);
444 greg 2.41 }
445     }
446     oct0date = time((time_t *)NULL);
447     if (oct0date < octreedate) /* in case clock is off */
448     oct0date = octreedate;
449     if (oct0date < illumdate) /* ditto */
450     oct0date = illumdate;
451     }
452     if (touchonly && oct1date)
453     touch(oct1name);
454     else {
455     mkillumopts(mkopts); /* build mkillum command */
456     mktemp(illumtmp);
457     sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
458     oct0name, vval(ILLUM), illumtmp);
459     if (runcom(combuf)) { /* run it */
460     fprintf(stderr, "%s: error running mkillum\n",
461     progname);
462     unlink(illumtmp);
463 greg 2.53 quit(1);
464 greg 2.41 }
465     /* make octree1 (frozen) */
466 greg 2.26 if (octreedate)
467 greg 2.41 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
468     vval(OCTREE), illumtmp, oct1name);
469 greg 2.26 else if (vdef(MATERIAL))
470 greg 2.41 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
471     vval(MATERIAL), illumtmp, oct1name);
472 greg 2.26 else
473 greg 2.41 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
474     illumtmp, oct1name);
475 greg 2.26 if (runcom(combuf)) { /* run it */
476     fprintf(stderr,
477     "%s: error generating octree\n\t%s removed\n",
478 greg 2.41 progname, oct1name);
479     unlink(oct1name);
480 greg 2.46 unlink(illumtmp);
481 greg 2.53 quit(1);
482 greg 2.26 }
483 greg 2.41 rmfile(illumtmp);
484 greg 2.26 }
485 greg 2.35 oct1date = time((time_t *)NULL);
486 greg 2.40 if (oct1date < oct0date) /* in case clock is off */
487     oct1date = oct0date;
488 greg 2.1 }
489    
490    
491     char *
492     addarg(op, arg) /* add argument and advance pointer */
493     register char *op, *arg;
494     {
495     *op = ' ';
496     while (*++op = *arg++)
497     ;
498     return(op);
499     }
500    
501    
502     oconvopts(oo) /* get oconv options */
503 greg 2.2 register char *oo;
504 greg 2.1 {
505 greg 2.2 /* BEWARE: This may be called via setdefaults(), so no assumptions */
506    
507 greg 2.1 *oo = '\0';
508     if (vdef(OCONV))
509     addarg(oo, vval(OCONV));
510     }
511    
512    
513 greg 2.26 mkillumopts(mo) /* get mkillum options */
514     register char *mo;
515     {
516     /* BEWARE: This may be called via setdefaults(), so no assumptions */
517    
518     *mo = '\0';
519     if (vdef(MKILLUM))
520     addarg(mo, vval(MKILLUM));
521     }
522    
523    
524 greg 2.7 checkambfile() /* check date on ambient file */
525     {
526 greg 2.35 time_t afdate;
527 greg 2.7
528 greg 2.11 if (!vdef(AMBFILE))
529     return;
530 greg 2.26 if (!(afdate = fdate(vval(AMBFILE))))
531 greg 2.11 return;
532 greg 2.26 if (oct1date > afdate)
533 greg 2.41 if (touchonly)
534     touch(vval(AMBFILE));
535     else
536     rmfile(vval(AMBFILE));
537 greg 2.7 }
538    
539    
540 greg 2.2 double
541     ambval() /* compute ambient value */
542 greg 2.1 {
543 greg 2.3 if (vdef(EXPOSURE)) {
544 greg 2.2 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
545 greg 2.50 return(.5/pow(2.,vflt(EXPOSURE)));
546     return(.5/vflt(EXPOSURE));
547 greg 2.3 }
548 greg 2.2 if (vlet(ZONE) == 'E')
549     return(10.);
550 greg 2.3 if (vlet(ZONE) == 'I')
551 greg 2.2 return(.01);
552 greg 2.3 badvalue(ZONE);
553 greg 2.30 }
554    
555    
556 greg 2.38 renderopts(op, po) /* set rendering options */
557     char *op, *po;
558 greg 2.30 {
559     switch(vscale(QUALITY)) {
560     case LOW:
561 greg 2.38 lowqopts(op, po);
562 greg 2.30 break;
563     case MEDIUM:
564 greg 2.38 medqopts(op, po);
565 greg 2.30 break;
566     case HIGH:
567 greg 2.38 hiqopts(op, po);
568 greg 2.30 break;
569     }
570 greg 2.2 }
571 greg 2.1
572 greg 2.2
573 greg 2.38 lowqopts(op, po) /* low quality rendering options */
574 greg 2.2 register char *op;
575 greg 2.38 char *po;
576 greg 2.2 {
577     double d, org[3], siz[3];
578    
579 greg 2.1 *op = '\0';
580 greg 2.38 *po = '\0';
581 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
582 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
583     badvalue(ZONE);
584 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
585 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
586     badvalue(ZONE);
587 greg 2.2 getoctcube(org, &d);
588     d *= 3./(siz[0]+siz[1]+siz[2]);
589     switch (vscale(DETAIL)) {
590     case LOW:
591 greg 2.38 po = addarg(po, "-ps 16");
592     op = addarg(op, "-dp 64");
593 greg 2.2 sprintf(op, " -ar %d", (int)(4*d));
594     op += strlen(op);
595     break;
596     case MEDIUM:
597 greg 2.38 po = addarg(po, "-ps 8");
598     op = addarg(op, "-dp 128");
599 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
600     op += strlen(op);
601     break;
602     case HIGH:
603 greg 2.38 po = addarg(po, "-ps 4");
604     op = addarg(op, "-dp 256");
605 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
606     op += strlen(op);
607     break;
608     }
609 greg 2.38 po = addarg(po, "-pt .16");
610 greg 2.2 if (vbool(PENUMBRAS))
611     op = addarg(op, "-ds .4");
612 greg 2.4 else
613     op = addarg(op, "-ds 0");
614 greg 2.17 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
615 greg 2.2 if (vdef(AMBFILE)) {
616     sprintf(op, " -af %s", vval(AMBFILE));
617     op += strlen(op);
618     } else
619     overture = 0;
620     switch (vscale(VARIABILITY)) {
621     case LOW:
622 gregl 2.54 op = addarg(op, "-aa .4 -ad 64");
623 greg 2.2 break;
624     case MEDIUM:
625 gregl 2.54 op = addarg(op, "-aa .3 -ad 128");
626 greg 2.2 break;
627     case HIGH:
628 greg 2.16 op = addarg(op, "-aa .25 -ad 256");
629 greg 2.2 break;
630     }
631     op = addarg(op, "-as 0");
632     d = ambval();
633     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
634     op += strlen(op);
635 greg 2.4 op = addarg(op, "-lr 3 -lw .02");
636 greg 2.1 if (vdef(RENDER))
637     op = addarg(op, vval(RENDER));
638     }
639    
640    
641 greg 2.38 medqopts(op, po) /* medium quality rendering options */
642 greg 2.2 register char *op;
643 greg 2.38 char *po;
644 greg 2.1 {
645 greg 2.47 double d, org[3], siz[3], asz;
646 greg 2.1
647     *op = '\0';
648 greg 2.38 *po = '\0';
649 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
650 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
651     badvalue(ZONE);
652 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
653 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
654     badvalue(ZONE);
655 greg 2.2 getoctcube(org, &d);
656 greg 2.47 asz = (siz[0]+siz[1]+siz[2])/3.;
657     d /= asz;
658 greg 2.2 switch (vscale(DETAIL)) {
659     case LOW:
660 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
661 greg 2.23 op = addarg(op, "-dp 256");
662 greg 2.2 sprintf(op, " -ar %d", (int)(8*d));
663     op += strlen(op);
664 greg 2.47 sprintf(op, " -ms %.2g", asz/20.);
665     op += strlen(op);
666 greg 2.2 break;
667     case MEDIUM:
668 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
669 greg 2.23 op = addarg(op, "-dp 512");
670 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
671     op += strlen(op);
672 greg 2.47 sprintf(op, " -ms %.2g", asz/40.);
673     op += strlen(op);
674 greg 2.2 break;
675     case HIGH:
676 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
677 greg 2.23 op = addarg(op, "-dp 1024");
678 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
679     op += strlen(op);
680 greg 2.47 sprintf(op, " -ms %.2g", asz/80.);
681     op += strlen(op);
682 greg 2.2 break;
683     }
684 greg 2.38 po = addarg(po, "-pt .08");
685 greg 2.4 if (vbool(PENUMBRAS))
686 greg 2.28 op = addarg(op, "-ds .2 -dj .5");
687 greg 2.4 else
688 greg 2.2 op = addarg(op, "-ds .3");
689 greg 2.17 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
690 greg 2.5 if (overture = vint(INDIRECT)) {
691     sprintf(op, " -ab %d", overture);
692     op += strlen(op);
693     }
694 greg 2.2 if (vdef(AMBFILE)) {
695     sprintf(op, " -af %s", vval(AMBFILE));
696     op += strlen(op);
697     } else
698     overture = 0;
699     switch (vscale(VARIABILITY)) {
700     case LOW:
701 gregl 2.54 op = addarg(op, "-aa .25 -ad 196 -as 0");
702 greg 2.2 break;
703     case MEDIUM:
704 gregl 2.54 op = addarg(op, "-aa .2 -ad 400 -as 64");
705 greg 2.2 break;
706     case HIGH:
707 greg 2.16 op = addarg(op, "-aa .15 -ad 768 -as 196");
708 greg 2.2 break;
709     }
710     d = ambval();
711     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
712     op += strlen(op);
713 greg 2.4 op = addarg(op, "-lr 6 -lw .002");
714 greg 2.1 if (vdef(RENDER))
715     op = addarg(op, vval(RENDER));
716     }
717    
718    
719 greg 2.38 hiqopts(op, po) /* high quality rendering options */
720 greg 2.2 register char *op;
721 greg 2.38 char *po;
722 greg 2.1 {
723 greg 2.47 double d, org[3], siz[3], asz;
724 greg 2.1
725     *op = '\0';
726 greg 2.38 *po = '\0';
727 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
728 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
729     badvalue(ZONE);
730 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
731 greg 2.39 if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
732     badvalue(ZONE);
733 greg 2.2 getoctcube(org, &d);
734 greg 2.47 asz = (siz[0]+siz[1]+siz[2])/3.;
735     d /= asz;
736 greg 2.2 switch (vscale(DETAIL)) {
737     case LOW:
738 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
739 greg 2.23 op = addarg(op, "-dp 1024");
740 greg 2.2 sprintf(op, " -ar %d", (int)(16*d));
741     op += strlen(op);
742 greg 2.47 sprintf(op, " -ms %.2g", asz/40.);
743     op += strlen(op);
744 greg 2.2 break;
745     case MEDIUM:
746 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
747 greg 2.23 op = addarg(op, "-dp 2048");
748 greg 2.2 sprintf(op, " -ar %d", (int)(32*d));
749     op += strlen(op);
750 greg 2.47 sprintf(op, " -ms %.2g", asz/80.);
751     op += strlen(op);
752 greg 2.2 break;
753     case HIGH:
754 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
755 greg 2.23 op = addarg(op, "-dp 4096");
756 greg 2.2 sprintf(op, " -ar %d", (int)(64*d));
757 greg 2.47 op += strlen(op);
758     sprintf(op, " -ms %.2g", asz/160.);
759 greg 2.2 op += strlen(op);
760     break;
761     }
762 greg 2.38 po = addarg(po, "-pt .04");
763 greg 2.4 if (vbool(PENUMBRAS))
764 greg 2.42 op = addarg(op, "-ds .1 -dj .65");
765 greg 2.4 else
766 greg 2.2 op = addarg(op, "-ds .2");
767 greg 2.17 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
768 greg 2.2 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
769     op += strlen(op);
770     if (vdef(AMBFILE)) {
771     sprintf(op, " -af %s", vval(AMBFILE));
772     op += strlen(op);
773     } else
774     overture = 0;
775     switch (vscale(VARIABILITY)) {
776     case LOW:
777 gregl 2.54 op = addarg(op, "-aa .15 -ad 256 -as 0");
778 greg 2.2 break;
779     case MEDIUM:
780 gregl 2.54 op = addarg(op, "-aa .125 -ad 512 -as 256");
781 greg 2.2 break;
782     case HIGH:
783 greg 2.16 op = addarg(op, "-aa .08 -ad 1024 -as 512");
784 greg 2.2 break;
785     }
786     d = ambval();
787     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
788     op += strlen(op);
789 greg 2.4 op = addarg(op, "-lr 12 -lw .0005");
790 greg 2.1 if (vdef(RENDER))
791     op = addarg(op, vval(RENDER));
792     }
793    
794    
795     xferopts(ro) /* transfer options if indicated */
796     char *ro;
797     {
798     int fd, n;
799 greg 2.10 register char *cp;
800 greg 2.1
801     n = strlen(ro);
802     if (n < 2)
803     return;
804     if (vdef(OPTFILE)) {
805 greg 2.10 for (cp = ro; cp[1]; cp++)
806 greg 2.49 if (isspace(cp[1]) && (cp[2] == '@' ||
807     (cp[2] == '-' && isalpha(cp[3]))))
808 greg 2.10 *cp = '\n';
809     else
810     *cp = cp[1];
811     *cp = '\n';
812     fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
813     if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
814 greg 2.3 syserr(vval(OPTFILE));
815 greg 2.15 sprintf(ro, " @%s", vval(OPTFILE));
816 greg 2.1 }
817     #ifdef MSDOS
818     else if (n > 50) {
819 greg 2.8 setenv("ROPT", ro+1);
820 greg 2.1 strcpy(ro, " $ROPT");
821     }
822     #endif
823     }
824    
825    
826     pfiltopts(po) /* get pfilt options */
827     register char *po;
828     {
829     *po = '\0';
830     if (vdef(EXPOSURE)) {
831     po = addarg(po, "-1 -e");
832     po = addarg(po, vval(EXPOSURE));
833     }
834 greg 2.12 switch (vscale(QUALITY)) {
835     case MEDIUM:
836     po = addarg(po, "-r 1");
837     break;
838     case HIGH:
839 greg 2.14 po = addarg(po, "-m .25");
840 greg 2.12 break;
841     }
842 greg 2.1 if (vdef(PFILT))
843     po = addarg(po, vval(PFILT));
844     }
845    
846    
847     matchword(s1, s2) /* match white-delimited words */
848     register char *s1, *s2;
849     {
850     while (isspace(*s1)) s1++;
851     while (isspace(*s2)) s2++;
852     while (*s1 && !isspace(*s1))
853     if (*s1++ != *s2++)
854     return(0);
855     return(!*s2 || isspace(*s2));
856     }
857    
858    
859     char *
860     specview(vs) /* get proper view spec from vs */
861     register char *vs;
862     {
863 greg 2.3 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
864     "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
865 greg 2.1 static char viewopts[128];
866     register char *cp;
867 greg 2.3 int xpos, ypos, zpos, viewtype, upax;
868     register int i;
869 greg 2.1 double cent[3], dim[3], mult, d;
870    
871 greg 2.9 if (vs == NULL || *vs == '-')
872 greg 2.1 return(vs);
873 greg 2.3 upax = 0; /* get the up vector */
874     if (vdef(UP)) {
875     if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
876     upax = 1-'X'+UPPER(vval(UP)[1]);
877     else
878     upax = 1-'X'+vlet(UP);
879     if (upax < 1 | upax > 3)
880     badvalue(UP);
881     if (vval(UP)[0] == '-')
882     upax = -upax;
883     }
884 greg 2.1 /* check standard view names */
885     xpos = ypos = zpos = 0;
886     if (*vs == 'X') {
887     xpos = 1; vs++;
888     } else if (*vs == 'x') {
889     xpos = -1; vs++;
890     }
891     if (*vs == 'Y') {
892     ypos = 1; vs++;
893     } else if (*vs == 'y') {
894     ypos = -1; vs++;
895     }
896     if (*vs == 'Z') {
897     zpos = 1; vs++;
898     } else if (*vs == 'z') {
899     zpos = -1; vs++;
900     }
901 greg 2.3 viewtype = 'v';
902 greg 2.44 if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
903 greg 2.1 viewtype = *vs++;
904     cp = viewopts;
905 greg 2.3 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
906 greg 2.1 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
907     if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
908     &cent[0], &dim[0], &cent[1], &dim[1],
909 greg 2.3 &cent[2], &dim[2]) != 6)
910     badvalue(ZONE);
911     for (i = 0; i < 3; i++) {
912     dim[i] -= cent[i];
913 greg 2.39 if (dim[i] <= FTINY)
914     badvalue(ZONE);
915 greg 2.3 cent[i] += .5*dim[i];
916 greg 2.1 }
917 greg 2.3 mult = vlet(ZONE)=='E' ? 2. : .45 ;
918 greg 2.1 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
919     cent[0]+xpos*mult*dim[0],
920     cent[1]+ypos*mult*dim[1],
921     cent[2]+zpos*mult*dim[2],
922     -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
923     cp += strlen(cp);
924 greg 2.3 /* redirect up axis if necessary */
925     switch (upax) {
926     case 3: /* plus or minus Z axis */
927     case -3:
928     case 0:
929     if (!(xpos|ypos))
930     upax = 2;
931 greg 2.1 break;
932 greg 2.3 case 2: /* plus or minus Y axis */
933     case -2:
934     if (!(xpos|zpos))
935     upax = 1;
936     break;
937     case 1: /* plus or minus X axis */
938     case -1:
939     if (!(ypos|zpos))
940     upax = 3;
941     break;
942 greg 2.1 }
943 greg 2.3 cp = addarg(cp, vup[upax+3]);
944 greg 2.1 switch (viewtype) {
945     case 'v':
946     cp = addarg(cp, "-vh 45 -vv 45");
947     break;
948     case 'l':
949     d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
950     sprintf(cp, " -vh %.2g -vv %.2g", d, d);
951     cp += strlen(cp);
952     break;
953     case 'a':
954     case 'h':
955     cp = addarg(cp, "-vh 180 -vv 180");
956 greg 2.44 break;
957     case 'c':
958     cp = addarg(cp, "-vh 180 -vv 90");
959 greg 2.1 break;
960     }
961 greg 2.3 } else {
962 greg 2.4 while (!isspace(*vs)) /* else skip id */
963     if (!*vs++)
964     return(NULL);
965 greg 2.3 if (upax) { /* specify up vector */
966     strcpy(cp, vup[upax+3]);
967     cp += strlen(cp);
968     }
969     }
970 greg 2.26 if (cp == viewopts) /* append any additional options */
971     vs++; /* skip prefixed space if unneeded */
972     strcpy(cp, vs);
973 greg 2.8 #ifdef MSDOS
974     if (strlen(viewopts) > 40) {
975     setenv("VIEW", viewopts);
976     return("$VIEW");
977     }
978     #endif
979 greg 2.1 return(viewopts);
980     }
981    
982    
983     char *
984     getview(n, vn) /* get view n, or NULL if none */
985     int n;
986 greg 2.8 char *vn; /* returned view name */
987 greg 2.1 {
988 greg 2.19 register char *mv;
989 greg 2.1
990 greg 2.8 if (viewselect != NULL) { /* command-line selected */
991 greg 2.1 if (n) /* only do one */
992     return(NULL);
993     if (viewselect[0] == '-') { /* already specified */
994     if (vn != NULL) *vn = '\0';
995     return(viewselect);
996     }
997     if (vn != NULL) {
998     for (mv = viewselect; *mv && !isspace(*mv);
999     *vn++ = *mv++)
1000     ;
1001     *vn = '\0';
1002     }
1003 greg 2.19 /* view number? */
1004 greg 2.20 if (isint(viewselect))
1005 gregl 2.55 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1006 greg 2.1 /* check list */
1007 gregl 2.55 while ((mv = nvalue(VIEWS, n++)) != NULL)
1008 greg 2.1 if (matchword(viewselect, mv))
1009     return(specview(mv));
1010     return(specview(viewselect)); /* standard view? */
1011     }
1012 gregl 2.55 mv = nvalue(VIEWS, n); /* use view n */
1013 greg 2.8 if (vn != NULL & mv != NULL) {
1014 greg 2.19 register char *mv2 = mv;
1015     if (*mv2 != '-')
1016     while (*mv2 && !isspace(*mv2))
1017     *vn++ = *mv2++;
1018 greg 2.1 *vn = '\0';
1019     }
1020 greg 2.8 return(specview(mv));
1021 greg 2.20 }
1022    
1023    
1024 greg 2.21 printview(vopts) /* print out selected view */
1025     register char *vopts;
1026 greg 2.20 {
1027 gregl 2.55 extern char *strstr(), *atos(), *getenv();
1028     VIEW vwr;
1029     char buf[128];
1030 greg 2.21 register char *cp;
1031 gregl 2.55 again:
1032 greg 2.20 if (vopts == NULL)
1033     return(-1);
1034 greg 2.24 #ifdef MSDOS
1035 gregl 2.55 if (vopts[0] == '$') {
1036     vopts = getenv(vopts+1);
1037     goto again;
1038     }
1039 greg 2.24 #endif
1040 gregl 2.55 copystruct(&vwr, &stdview);
1041     cp = vopts; /* get -vf files first */
1042     while ((cp = strstr(cp, "-vf ")) != NULL &&
1043     *atos(buf, sizeof(buf), cp += 4))
1044     viewfile(buf, &vwr, NULL);
1045     sscanview(&vwr, vopts); /* get the rest */
1046     fputs(VIEWSTR, stdout);
1047     fprintview(&vwr, stdout); /* print full spec. */
1048     fputc('\n', stdout);
1049 greg 2.20 return(0);
1050 greg 2.1 }
1051    
1052    
1053 greg 2.38 rview(opts, po) /* run rview with first view */
1054     char *opts, *po;
1055 greg 2.1 {
1056 greg 2.21 char *vw;
1057 greg 2.1 char combuf[512];
1058     /* build command */
1059 greg 2.41 if (touchonly || (vw = getview(0, NULL)) == NULL)
1060 greg 2.21 return;
1061     if (sayview)
1062     printview(vw);
1063 greg 2.38 sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1064 greg 2.1 if (rvdevice != NULL)
1065     sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1066 greg 2.29 if (vdef(EXPOSURE))
1067     sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1068 greg 2.26 strcat(combuf, oct1name);
1069 greg 2.4 if (runcom(combuf)) { /* run it */
1070 greg 2.1 fprintf(stderr, "%s: error running rview\n", progname);
1071 greg 2.53 quit(1);
1072 greg 2.1 }
1073     }
1074    
1075    
1076 greg 2.38 rpict(opts, po) /* run rpict and pfilt for each view */
1077     char *opts, *po;
1078 greg 2.1 {
1079 greg 2.2 char combuf[1024];
1080 greg 2.45 char rawfile[MAXPATH], picfile[MAXPATH];
1081     char zopt[MAXPATH+4], rep[MAXPATH+16], res[32];
1082 greg 2.3 char pfopts[128];
1083 greg 2.1 char vs[32], *vw;
1084     int vn, mult;
1085 greg 2.41 time_t rfdt, pfdt;
1086 greg 2.1 /* get pfilt options */
1087     pfiltopts(pfopts);
1088     /* get resolution, reporting */
1089 greg 2.31 switch (vscale(QUALITY)) {
1090     case LOW:
1091     mult = 1;
1092     break;
1093     case MEDIUM:
1094     mult = 2;
1095     break;
1096     case HIGH:
1097     mult = 3;
1098     break;
1099     }
1100 greg 2.1 {
1101     int xres, yres;
1102     double aspect;
1103     int n;
1104     n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1105     if (n == 3)
1106     sprintf(res, "-x %d -y %d -pa %.3f",
1107     mult*xres, mult*yres, aspect);
1108     else if (n) {
1109     if (n == 1) yres = xres;
1110     sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1111 greg 2.3 } else
1112     badvalue(RESOLUTION);
1113 greg 2.1 }
1114     rep[0] = '\0';
1115     if (vdef(REPORT)) {
1116     double minutes;
1117     int n;
1118     n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1119     if (n == 2)
1120     sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1121     else if (n == 1)
1122     sprintf(rep, " -t %d", (int)(minutes*60));
1123 greg 2.3 else
1124     badvalue(REPORT);
1125 greg 2.1 }
1126     /* do each view */
1127     vn = 0;
1128     while ((vw = getview(vn++, vs)) != NULL) {
1129 greg 2.21 if (sayview)
1130     printview(vw);
1131 greg 2.1 if (!vs[0])
1132     sprintf(vs, "%d", vn);
1133     sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1134 greg 2.45 if (vdef(ZFILE))
1135     sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1136     else
1137     zopt[0] = '\0';
1138 greg 2.1 /* check date on picture */
1139 greg 2.41 pfdt = fdate(picfile);
1140     if (pfdt >= oct1date)
1141 greg 2.1 continue;
1142 greg 2.41 /* get raw file name */
1143 greg 2.45 sprintf(rawfile, "%s_%s.unf",
1144     vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1145 greg 2.41 rfdt = fdate(rawfile);
1146     if (touchonly) { /* update times only */
1147     if (rfdt) {
1148     if (rfdt < oct1date)
1149     touch(rawfile);
1150     } else if (pfdt && pfdt < oct1date)
1151     touch(picfile);
1152     continue;
1153     }
1154 greg 2.1 /* build rpict command */
1155 greg 2.41 if (rfdt >= oct1date) /* recover */
1156 greg 2.45 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1157     rep, po, opts, zopt, rawfile, oct1name);
1158 greg 2.1 else {
1159     if (overture) { /* run overture calculation */
1160     sprintf(combuf,
1161     "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1162     rep, vw, opts,
1163 greg 2.26 oct1name, overfile);
1164 greg 2.4 if (runcom(combuf)) {
1165 greg 2.1 fprintf(stderr,
1166 greg 2.6 "%s: error in overture for view %s\n",
1167     progname, vs);
1168 greg 2.53 quit(1);
1169 greg 2.1 }
1170 greg 2.6 #ifdef NIX
1171     rmfile(overfile);
1172     #endif
1173 greg 2.1 }
1174 greg 2.45 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1175     rep, vw, res, po, opts, zopt,
1176     oct1name, rawfile);
1177 greg 2.1 }
1178 greg 2.4 if (runcom(combuf)) { /* run rpict */
1179 greg 2.1 fprintf(stderr, "%s: error rendering view %s\n",
1180     progname, vs);
1181 greg 2.53 quit(1);
1182 greg 2.1 }
1183 greg 2.45 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1184 greg 2.1 /* build pfilt command */
1185 greg 2.45 if (mult > 1)
1186     sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1187 greg 2.1 pfopts, mult, mult, rawfile, picfile);
1188 greg 2.45 else
1189     sprintf(combuf, "pfilt%s %s > %s", pfopts,
1190     rawfile, picfile);
1191     if (runcom(combuf)) { /* run pfilt */
1192     fprintf(stderr,
1193     "%s: error filtering view %s\n\t%s removed\n",
1194     progname, vs, picfile);
1195     unlink(picfile);
1196 greg 2.53 quit(1);
1197 greg 2.45 }
1198 greg 2.1 }
1199 greg 2.43 /* remove/rename raw file */
1200 greg 2.45 if (vdef(RAWFILE)) {
1201     sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1202 greg 2.43 mvfile(rawfile, combuf);
1203     } else
1204     rmfile(rawfile);
1205 greg 2.4 }
1206 greg 2.41 }
1207    
1208    
1209     touch(fn) /* update a file */
1210     char *fn;
1211     {
1212     if (!silent)
1213     printf("\ttouch %s\n", fn);
1214     if (noaction)
1215     return(0);
1216     #ifdef notused
1217     if (access(fn, F_OK) == -1) /* create it */
1218     if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1219     return(-1);
1220     #endif
1221     return(setfdate(fn, time((time_t *)NULL)));
1222 greg 2.4 }
1223    
1224    
1225     runcom(cs) /* run command */
1226     char *cs;
1227     {
1228     if (!silent) /* echo it */
1229     printf("\t%s\n", cs);
1230     if (noaction)
1231     return(0);
1232     fflush(stdout); /* flush output and pass to shell */
1233     return(system(cs));
1234     }
1235    
1236    
1237     rmfile(fn) /* remove a file */
1238     char *fn;
1239     {
1240     if (!silent)
1241 greg 2.1 #ifdef MSDOS
1242 greg 2.4 printf("\tdel %s\n", fn);
1243 greg 2.1 #else
1244 greg 2.4 printf("\trm -f %s\n", fn);
1245 greg 2.1 #endif
1246 greg 2.4 if (noaction)
1247     return(0);
1248     return(unlink(fn));
1249 greg 2.43 }
1250    
1251    
1252     mvfile(fold, fnew) /* move a file */
1253     char *fold, *fnew;
1254     {
1255     if (!silent)
1256     #ifdef MSDOS
1257     printf("\trename %s %s\n", fold, fnew);
1258     #else
1259     printf("\tmv %s %s\n", fold, fnew);
1260     #endif
1261     if (noaction)
1262     return(0);
1263     return(rename(fold, fnew));
1264 greg 2.3 }
1265 greg 2.8
1266    
1267     #ifdef MSDOS
1268     setenv(vname, value) /* set an environment variable */
1269     char *vname, *value;
1270     {
1271     register char *evp;
1272    
1273     evp = bmalloc(strlen(vname)+strlen(value)+2);
1274     if (evp == NULL)
1275     syserr(progname);
1276     sprintf(evp, "%s=%s", vname, value);
1277     if (putenv(evp) != 0) {
1278     fprintf(stderr, "%s: out of environment space\n", progname);
1279 greg 2.53 quit(1);
1280 greg 2.8 }
1281     if (!silent)
1282     printf("set %s\n", evp);
1283     }
1284     #endif
1285 greg 2.3
1286    
1287     badvalue(vc) /* report bad variable value and exit */
1288     int vc;
1289     {
1290     fprintf(stderr, "%s: bad value for variable '%s'\n",
1291     progname, vnam(vc));
1292 greg 2.53 quit(1);
1293 greg 2.3 }
1294    
1295    
1296     syserr(s) /* report a system error and exit */
1297     char *s;
1298     {
1299     perror(s);
1300 greg 2.53 quit(1);
1301     }
1302    
1303    
1304     quit(ec) /* exit program */
1305     int ec;
1306     {
1307     exit(ec);
1308 greg 2.1 }