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root/radiance/ray/src/util/rad.c
Revision: 2.77
Committed: Thu Sep 9 20:08:21 2004 UTC (19 years, 6 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.76: +5 -2 lines
Log Message:
Made it so rad accepts 'scene' variable with commands only

File Contents

# User Rev Content
1 greg 2.1 #ifndef lint
2 greg 2.77 static const char RCSid[] = "$Id: rad.c,v 2.76 2004/03/26 21:36:19 schorsch Exp $";
3 greg 2.1 #endif
4     /*
5     * Executive program for oconv, rpict and pfilt
6     */
7    
8     #include "standard.h"
9 schorsch 2.64
10     #include <ctype.h>
11 schorsch 2.69 #include <time.h>
12 schorsch 2.64
13     #include "platform.h"
14 schorsch 2.74 #include "rtprocess.h"
15 gregl 2.55 #include "view.h"
16 greg 2.1 #include "paths.h"
17 greg 2.48 #include "vars.h"
18 greg 2.1
19 schorsch 2.69 #ifdef _WIN32
20     #define DELCMD "del"
21     #define RENAMECMD "rename"
22     #else
23     #define DELCMD "rm -f"
24     #define RENAMECMD "mv"
25 schorsch 2.76 #include <sys/types.h>
26     #include <sys/wait.h>
27 schorsch 2.69 #endif
28    
29 gwlarson 2.56 /* variables (alphabetical by name) */
30     #define AMBFILE 0 /* ambient file name */
31     #define DETAIL 1 /* level of scene detail */
32     #define EXPOSURE 2 /* picture exposure setting */
33 gwlarson 2.57 #define EYESEP 3 /* interocular distance */
34     #define ILLUM 4 /* mkillum input files */
35     #define INDIRECT 5 /* indirection in lighting */
36     #define MATERIAL 6 /* material files */
37     #define MKILLUM 7 /* mkillum options */
38     #define OBJECT 8 /* object files */
39     #define OCONV 9 /* oconv options */
40     #define OCTREE 10 /* octree file name */
41     #define OPTFILE 11 /* rendering options file */
42     #define PENUMBRAS 12 /* shadow penumbras are desired */
43     #define PFILT 13 /* pfilt options */
44     #define PICTURE 14 /* picture file root name */
45     #define QUALITY 15 /* desired rendering quality */
46     #define RAWFILE 16 /* raw picture file root name */
47     #define RENDER 17 /* rendering options */
48     #define REPORT 18 /* report frequency and errfile */
49     #define RESOLUTION 19 /* maximum picture resolution */
50     #define SCENE 20 /* scene files */
51     #define UP 21 /* view up (X, Y or Z) */
52     #define VARIABILITY 22 /* level of light variability */
53     #define VIEWS 23 /* view(s) for picture(s) */
54     #define ZFILE 24 /* distance file root name */
55     #define ZONE 25 /* simulation zone */
56 greg 2.1 /* total number of variables */
57 gwlarson 2.57 int NVARS = 26;
58 greg 2.1
59 greg 2.48 VARIABLE vv[] = { /* variable-value pairs */
60 gwlarson 2.56 {"AMBFILE", 3, 0, NULL, onevalue},
61     {"DETAIL", 3, 0, NULL, qualvalue},
62     {"EXPOSURE", 3, 0, NULL, fltvalue},
63 gwlarson 2.57 {"EYESEP", 3, 0, NULL, fltvalue},
64 gwlarson 2.56 {"illum", 3, 0, NULL, catvalues},
65     {"INDIRECT", 3, 0, NULL, intvalue},
66 greg 2.1 {"materials", 3, 0, NULL, catvalues},
67 greg 2.26 {"mkillum", 3, 0, NULL, catvalues},
68 gwlarson 2.56 {"objects", 3, 0, NULL, catvalues},
69 greg 2.1 {"oconv", 3, 0, NULL, catvalues},
70 gwlarson 2.56 {"OCTREE", 3, 0, NULL, onevalue},
71     {"OPTFILE", 3, 0, NULL, onevalue},
72     {"PENUMBRAS", 3, 0, NULL, boolvalue},
73 greg 2.1 {"pfilt", 2, 0, NULL, catvalues},
74 gwlarson 2.56 {"PICTURE", 3, 0, NULL, onevalue},
75 greg 2.30 {"QUALITY", 3, 0, NULL, qualvalue},
76 gwlarson 2.56 {"RAWFILE", 3, 0, NULL, onevalue},
77     {"render", 3, 0, NULL, catvalues},
78     {"REPORT", 3, 0, NULL, onevalue},
79 greg 2.1 {"RESOLUTION", 3, 0, NULL, onevalue},
80 gwlarson 2.56 {"scene", 3, 0, NULL, catvalues},
81 greg 2.1 {"UP", 2, 0, NULL, onevalue},
82 greg 2.30 {"VARIABILITY", 3, 0, NULL, qualvalue},
83 gwlarson 2.56 {"view", 2, 0, NULL, NULL},
84 greg 2.45 {"ZFILE", 2, 0, NULL, onevalue},
85 gwlarson 2.56 {"ZONE", 2, 0, NULL, onevalue},
86 greg 2.1 };
87    
88 greg 2.6 /* overture calculation file */
89 schorsch 2.65 #ifdef NULL_DEVICE
90     char overfile[] = NULL_DEVICE;
91     #else
92 greg 2.45 char overfile[] = "overture.unf";
93 greg 2.6 #endif
94    
95 greg 2.1
96 greg 2.35 time_t scenedate; /* date of latest scene or object file */
97     time_t octreedate; /* date of octree */
98     time_t matdate; /* date of latest material file */
99     time_t illumdate; /* date of last illum file */
100 greg 2.1
101 greg 2.26 char *oct0name; /* name of pre-mkillum octree */
102 greg 2.35 time_t oct0date; /* date of pre-mkillum octree */
103 greg 2.26 char *oct1name; /* name of post-mkillum octree */
104 greg 2.35 time_t oct1date; /* date of post-mkillum octree (>= matdate) */
105 greg 2.26
106 greg 2.37 int nowarn = 0; /* no warnings */
107 greg 2.1 int explicate = 0; /* explicate variables */
108     int silent = 0; /* do work silently */
109 greg 2.41 int touchonly = 0; /* touch files only */
110 greg 2.66 int nprocs = 1; /* maximum executing processes */
111 greg 2.21 int sayview = 0; /* print view out */
112 greg 2.75 char *rvdevice = NULL; /* rvu output device */
113 greg 2.1 char *viewselect = NULL; /* specific view only */
114    
115     int overture = 0; /* overture calculation needed */
116    
117 greg 2.66 int children_running = 0; /* set negative in children */
118    
119 greg 2.1 char *progname; /* global argv[0] */
120 greg 2.22 char *rifname; /* global rad input file name */
121 greg 2.1
122 schorsch 2.65 char radname[PATH_MAX]; /* root Radiance file name */
123 greg 2.1
124 greg 2.67 #define inchild() (children_running < 0)
125    
126 schorsch 2.76 static void rootname(char *rn, char *fn);
127     static time_t checklast(char *fnames);
128     static char * newfname(char *orig, int pred);
129     static void checkfiles(void);
130     static void getoctcube(double org[3], double *sizp);
131     static void setdefaults(void);
132     static void oconv(void);
133     static char * addarg(char *op, char *arg);
134     static void oconvopts(char *oo);
135     static void mkillumopts(char *mo);
136     static void checkambfile(void);
137     static double ambval(void);
138     static void renderopts(char *op, char *po);
139     static void lowqopts(char *op, char *po);
140     static void medqopts(char *op, char *po);
141     static void hiqopts(char *op, char *po);
142     static void xferopts(char *ro);
143     static void pfiltopts(char *po);
144     static int matchword(char *s1, char *s2);
145     static char * specview(char *vs);
146     static char * getview(int n, char *vn);
147     static int myprintview(char *vopts, FILE *fp);
148     static void rvu(char *opts, char *po);
149     static void rpict(char *opts, char *po);
150     static int touch(char *fn);
151     static int runcom(char *cs);
152     static int rmfile(char *fn);
153     static int mvfile(char *fold, char *fnew);
154     static int next_process(void);
155     static void wait_process(int all);
156     static void finish_process(void);
157     static void badvalue(int vc);
158     static void syserr(char *s);
159 greg 2.1
160 schorsch 2.76
161     int
162     main(
163     int argc,
164     char *argv[]
165     )
166 greg 2.1 {
167     char ropts[512];
168 greg 2.38 char popts[64];
169 greg 2.1 int i;
170    
171     progname = argv[0];
172     /* get options */
173     for (i = 1; i < argc && argv[i][0] == '-'; i++)
174     switch (argv[i][1]) {
175     case 's':
176     silent++;
177     break;
178     case 'n':
179 greg 2.66 nprocs = 0;
180     break;
181     case 'N':
182     nprocs = atoi(argv[++i]);
183     if (nprocs < 0)
184     nprocs = 0;
185 greg 2.1 break;
186 greg 2.41 case 't':
187     touchonly++;
188     break;
189 greg 2.1 case 'e':
190     explicate++;
191     break;
192     case 'o':
193     rvdevice = argv[++i];
194     break;
195 greg 2.20 case 'V':
196 greg 2.21 sayview++;
197     break;
198 greg 2.1 case 'v':
199     viewselect = argv[++i];
200     break;
201 greg 2.37 case 'w':
202     nowarn++;
203     break;
204 greg 2.1 default:
205     goto userr;
206     }
207     if (i >= argc)
208     goto userr;
209 greg 2.22 rifname = argv[i];
210 greg 2.67 /* check command-line options */
211 schorsch 2.71 if ((nprocs > 1) & (viewselect != NULL))
212 greg 2.67 nprocs = 1;
213 greg 2.1 /* assign Radiance root file name */
214 greg 2.22 rootname(radname, rifname);
215 greg 2.1 /* load variable values */
216 greg 2.48 loadvars(rifname);
217 greg 2.1 /* get any additional assignments */
218     for (i++; i < argc; i++)
219 greg 2.53 if (setvariable(argv[i], matchvar) < 0) {
220     fprintf(stderr, "%s: unknown variable: %s\n",
221     progname, argv[i]);
222     quit(1);
223     }
224 greg 2.1 /* check assignments */
225     checkvalues();
226     /* check files and dates */
227     checkfiles();
228     /* set default values as necessary */
229     setdefaults();
230     /* print all values if requested */
231     if (explicate)
232 greg 2.48 printvars(stdout);
233 greg 2.26 /* build octree (and run mkillum) */
234 greg 2.7 oconv();
235     /* check date on ambient file */
236     checkambfile();
237 greg 2.1 /* run simulation */
238 greg 2.38 renderopts(ropts, popts);
239 greg 2.1 xferopts(ropts);
240     if (rvdevice != NULL)
241 greg 2.75 rvu(ropts, popts);
242 greg 2.1 else
243 greg 2.38 rpict(ropts, popts);
244 greg 2.53 quit(0);
245 greg 2.1 userr:
246     fprintf(stderr,
247 greg 2.66 "Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
248 greg 2.1 progname);
249 greg 2.53 quit(1);
250 schorsch 2.76 return 1; /* pro forma return */
251 greg 2.1 }
252    
253    
254 schorsch 2.76 static void
255     rootname( /* remove tail from end of fn */
256     register char *rn,
257     register char *fn
258     )
259 greg 2.1 {
260     char *tp, *dp;
261    
262 schorsch 2.71 for (tp = NULL, dp = rn; (*rn = *fn++); rn++)
263 greg 2.1 if (ISDIRSEP(*rn))
264     dp = rn;
265     else if (*rn == '.')
266     tp = rn;
267     if (tp != NULL && tp > dp)
268     *tp = '\0';
269     }
270    
271    
272 schorsch 2.76 static time_t
273     checklast( /* check files and find most recent */
274     register char *fnames
275     )
276 greg 2.1 {
277 schorsch 2.65 char thisfile[PATH_MAX];
278 greg 2.35 time_t thisdate, lastdate = 0;
279 greg 2.1
280 greg 2.26 if (fnames == NULL)
281     return(0);
282 schorsch 2.65 while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
283 gwlarson 2.60 if (thisfile[0] == '!' ||
284 greg 2.77 (thisfile[0] == '\\' && thisfile[1] == '!')) {
285     if (!lastdate)
286     lastdate = 1;
287 gwlarson 2.60 continue;
288 greg 2.77 }
289 greg 2.26 if (!(thisdate = fdate(thisfile)))
290 greg 2.3 syserr(thisfile);
291 greg 2.1 if (thisdate > lastdate)
292     lastdate = thisdate;
293     }
294     return(lastdate);
295     }
296    
297    
298 schorsch 2.76 static char *
299     newfname( /* create modified file name */
300     char *orig,
301     int pred
302     )
303 greg 2.26 {
304     register char *cp;
305     register int n;
306     int suffix;
307    
308 greg 2.27 n = 0; cp = orig; suffix = -1; /* suffix position, length */
309     while (*cp) {
310     if (*cp == '.') suffix = n;
311     else if (ISDIRSEP(*cp)) suffix = -1;
312     cp++; n++;
313     }
314     if (suffix == -1) suffix = n;
315 greg 2.26 if ((cp = bmalloc(n+2)) == NULL)
316     syserr(progname);
317     strncpy(cp, orig, suffix);
318     cp[suffix] = pred; /* root name + pred + suffix */
319     strcpy(cp+suffix+1, orig+suffix);
320     return(cp);
321     }
322    
323    
324 schorsch 2.76 static void
325     checkfiles(void) /* check for existence and modified times */
326 greg 2.1 {
327 greg 2.35 time_t objdate;
328 greg 2.1
329 greg 2.2 if (!vdef(OCTREE)) {
330 greg 2.26 if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
331 greg 2.3 syserr(progname);
332 greg 2.26 sprintf(vval(OCTREE), "%s.oct", radname);
333 greg 2.2 vdef(OCTREE)++;
334 greg 2.61 } else if (vval(OCTREE)[0] == '!') {
335     fprintf(stderr, "%s: illegal '%s' specification\n",
336     progname, vnam(OCTREE));
337     quit(1);
338 greg 2.2 }
339     octreedate = fdate(vval(OCTREE));
340 greg 2.26 if (vdef(ILLUM)) { /* illum requires secondary octrees */
341     oct0name = newfname(vval(OCTREE), '0');
342     oct1name = newfname(vval(OCTREE), '1');
343     oct0date = fdate(oct0name);
344     oct1date = fdate(oct1name);
345     } else
346     oct0name = oct1name = vval(OCTREE);
347     if ((scenedate = checklast(vval(SCENE))) &&
348     (objdate = checklast(vval(OBJECT))) > scenedate)
349     scenedate = objdate;
350     illumdate = checklast(vval(ILLUM));
351     if (!octreedate & !scenedate & !illumdate) {
352     fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
353     vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
354 greg 2.53 quit(1);
355 greg 2.1 }
356 greg 2.26 matdate = checklast(vval(MATERIAL));
357 greg 2.1 }
358    
359    
360 schorsch 2.76 static void
361     getoctcube( /* get octree bounding cube */
362     double org[3],
363     double *sizp
364     )
365 greg 2.1 {
366 greg 2.2 static double oorg[3], osiz = 0.;
367 greg 2.26 double min[3], max[3];
368 greg 2.46 char buf[1024];
369 greg 2.1 FILE *fp;
370 greg 2.26 register int i;
371 greg 2.1
372 schorsch 2.70 if (osiz <= FTINY) {
373 greg 2.66 if (!nprocs && fdate(oct1name) <
374 greg 2.26 (scenedate>illumdate?scenedate:illumdate)) {
375     /* run getbbox */
376     sprintf(buf, "getbbox -w -h %s",
377     vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
378     if ((fp = popen(buf, "r")) == NULL)
379     syserr("getbbox");
380     if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
381     &min[0], &max[0], &min[1], &max[1],
382     &min[2], &max[2]) != 6) {
383     fprintf(stderr,
384     "%s: error reading bounding box from getbbox\n",
385     progname);
386 greg 2.53 quit(1);
387 greg 2.26 }
388     for (i = 0; i < 3; i++)
389     if (max[i] - min[i] > osiz)
390     osiz = max[i] - min[i];
391     for (i = 0; i < 3; i++)
392     oorg[i] = (max[i]+min[i]-osiz)*.5;
393     pclose(fp);
394     } else { /* from octree */
395     oconv(); /* does nothing if done already */
396     sprintf(buf, "getinfo -d < %s", oct1name);
397     if ((fp = popen(buf, "r")) == NULL)
398     syserr("getinfo");
399     if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
400     &oorg[2], &osiz) != 4) {
401     fprintf(stderr,
402 greg 2.2 "%s: error reading bounding cube from getinfo\n",
403 greg 2.26 progname);
404 greg 2.53 quit(1);
405 greg 2.26 }
406     pclose(fp);
407 greg 2.2 }
408 schorsch 2.70 }
409 greg 2.2 org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
410     }
411    
412    
413 schorsch 2.76 static void
414     setdefaults(void) /* set default values for unassigned var's */
415 greg 2.2 {
416 gwlarson 2.58 double org[3], lim[3], size;
417 greg 2.2 char buf[128];
418    
419 greg 2.1 if (!vdef(ZONE)) {
420 greg 2.2 getoctcube(org, &size);
421     sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
422     org[1], org[1]+size, org[2], org[2]+size);
423 greg 2.1 vval(ZONE) = savqstr(buf);
424     vdef(ZONE)++;
425 gwlarson 2.58 }
426     if (!vdef(EYESEP)) {
427     if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
428     &org[0], &lim[0], &org[1], &lim[1],
429     &org[2], &lim[2]) != 6)
430     badvalue(ZONE);
431     sprintf(buf, "%f",
432     0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
433     vval(EYESEP) = savqstr(buf);
434     vdef(EYESEP)++;
435 greg 2.1 }
436     if (!vdef(INDIRECT)) {
437     vval(INDIRECT) = "0";
438     vdef(INDIRECT)++;
439     }
440     if (!vdef(QUALITY)) {
441     vval(QUALITY) = "L";
442     vdef(QUALITY)++;
443     }
444     if (!vdef(RESOLUTION)) {
445     vval(RESOLUTION) = "512";
446     vdef(RESOLUTION)++;
447     }
448     if (!vdef(PICTURE)) {
449     vval(PICTURE) = radname;
450     vdef(PICTURE)++;
451     }
452 gregl 2.55 if (!vdef(VIEWS)) {
453     vval(VIEWS) = "X";
454     vdef(VIEWS)++;
455 greg 2.1 }
456     if (!vdef(DETAIL)) {
457     vval(DETAIL) = "M";
458     vdef(DETAIL)++;
459     }
460     if (!vdef(PENUMBRAS)) {
461     vval(PENUMBRAS) = "F";
462     vdef(PENUMBRAS)++;
463     }
464     if (!vdef(VARIABILITY)) {
465     vval(VARIABILITY) = "L";
466     vdef(VARIABILITY)++;
467     }
468     }
469    
470    
471 schorsch 2.76 static void
472     oconv(void) /* run oconv and mkillum if necessary */
473 greg 2.1 {
474 greg 2.26 static char illumtmp[] = "ilXXXXXX";
475 schorsch 2.65 char combuf[PATH_MAX], ocopts[64], mkopts[64];
476 greg 2.1
477 greg 2.26 oconvopts(ocopts); /* get options */
478     if (octreedate < scenedate) { /* check date on original octree */
479 greg 2.41 if (touchonly && octreedate)
480     touch(vval(OCTREE));
481     else { /* build command */
482     if (vdef(MATERIAL))
483     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
484     vval(MATERIAL), vval(SCENE),
485     vval(OCTREE));
486     else
487     sprintf(combuf, "oconv%s %s > %s", ocopts,
488     vval(SCENE), vval(OCTREE));
489    
490     if (runcom(combuf)) { /* run it */
491     fprintf(stderr,
492 greg 2.26 "%s: error generating octree\n\t%s removed\n",
493 greg 2.41 progname, vval(OCTREE));
494     unlink(vval(OCTREE));
495 greg 2.53 quit(1);
496 greg 2.41 }
497 greg 2.26 }
498 greg 2.35 octreedate = time((time_t *)NULL);
499 greg 2.40 if (octreedate < scenedate) /* in case clock is off */
500     octreedate = scenedate;
501 greg 2.26 }
502     if (oct1name == vval(OCTREE)) /* no mkillum? */
503     oct1date = octreedate > matdate ? octreedate : matdate;
504 schorsch 2.71 if ((oct1date >= octreedate) & (oct1date >= matdate)
505     & (oct1date >= illumdate)) /* all done */
506 greg 2.1 return;
507 greg 2.26 /* make octree0 */
508 schorsch 2.71 if ((oct0date < scenedate) | (oct0date < illumdate)) {
509 greg 2.41 if (touchonly && oct0date)
510     touch(oct0name);
511     else { /* build command */
512     if (octreedate)
513     sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
514     vval(OCTREE), vval(ILLUM), oct0name);
515     else if (vdef(MATERIAL))
516     sprintf(combuf, "oconv%s %s %s > %s", ocopts,
517     vval(MATERIAL), vval(ILLUM), oct0name);
518     else
519     sprintf(combuf, "oconv%s %s > %s", ocopts,
520     vval(ILLUM), oct0name);
521     if (runcom(combuf)) { /* run it */
522     fprintf(stderr,
523     "%s: error generating octree\n\t%s removed\n",
524     progname, oct0name);
525     unlink(oct0name);
526 greg 2.53 quit(1);
527 greg 2.41 }
528     }
529     oct0date = time((time_t *)NULL);
530     if (oct0date < octreedate) /* in case clock is off */
531     oct0date = octreedate;
532     if (oct0date < illumdate) /* ditto */
533     oct0date = illumdate;
534     }
535     if (touchonly && oct1date)
536     touch(oct1name);
537     else {
538     mkillumopts(mkopts); /* build mkillum command */
539     mktemp(illumtmp);
540     sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
541     oct0name, vval(ILLUM), illumtmp);
542     if (runcom(combuf)) { /* run it */
543     fprintf(stderr, "%s: error running mkillum\n",
544     progname);
545     unlink(illumtmp);
546 greg 2.53 quit(1);
547 greg 2.41 }
548     /* make octree1 (frozen) */
549 greg 2.26 if (octreedate)
550 greg 2.41 sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
551     vval(OCTREE), illumtmp, oct1name);
552 greg 2.26 else if (vdef(MATERIAL))
553 greg 2.41 sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
554     vval(MATERIAL), illumtmp, oct1name);
555 greg 2.26 else
556 greg 2.41 sprintf(combuf, "oconv%s -f %s > %s", ocopts,
557     illumtmp, oct1name);
558 greg 2.26 if (runcom(combuf)) { /* run it */
559     fprintf(stderr,
560     "%s: error generating octree\n\t%s removed\n",
561 greg 2.41 progname, oct1name);
562     unlink(oct1name);
563 greg 2.46 unlink(illumtmp);
564 greg 2.53 quit(1);
565 greg 2.26 }
566 greg 2.41 rmfile(illumtmp);
567 greg 2.26 }
568 greg 2.35 oct1date = time((time_t *)NULL);
569 greg 2.40 if (oct1date < oct0date) /* in case clock is off */
570     oct1date = oct0date;
571 greg 2.1 }
572    
573    
574 schorsch 2.76 static char *
575     addarg( /* add argument and advance pointer */
576     register char *op,
577     register char *arg
578     )
579 greg 2.1 {
580     *op = ' ';
581 schorsch 2.71 while ( (*++op = *arg++) )
582 greg 2.1 ;
583     return(op);
584     }
585    
586    
587 schorsch 2.76 static void
588     oconvopts( /* get oconv options */
589     register char *oo
590     )
591 greg 2.1 {
592 greg 2.2 /* BEWARE: This may be called via setdefaults(), so no assumptions */
593    
594 greg 2.1 *oo = '\0';
595     if (vdef(OCONV))
596     addarg(oo, vval(OCONV));
597     }
598    
599    
600 schorsch 2.76 static void
601     mkillumopts( /* get mkillum options */
602     register char *mo
603     )
604 greg 2.26 {
605     /* BEWARE: This may be called via setdefaults(), so no assumptions */
606    
607     *mo = '\0';
608     if (vdef(MKILLUM))
609     addarg(mo, vval(MKILLUM));
610     }
611    
612    
613 schorsch 2.76 static void
614     checkambfile(void) /* check date on ambient file */
615 greg 2.7 {
616 greg 2.35 time_t afdate;
617 greg 2.7
618 greg 2.11 if (!vdef(AMBFILE))
619     return;
620 greg 2.26 if (!(afdate = fdate(vval(AMBFILE))))
621 greg 2.11 return;
622 schorsch 2.70 if (oct1date > afdate) {
623 greg 2.41 if (touchonly)
624     touch(vval(AMBFILE));
625     else
626     rmfile(vval(AMBFILE));
627 schorsch 2.70 }
628 greg 2.7 }
629    
630    
631 schorsch 2.76 static double
632     ambval(void) /* compute ambient value */
633 greg 2.1 {
634 greg 2.3 if (vdef(EXPOSURE)) {
635 greg 2.2 if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
636 greg 2.50 return(.5/pow(2.,vflt(EXPOSURE)));
637     return(.5/vflt(EXPOSURE));
638 greg 2.3 }
639 greg 2.2 if (vlet(ZONE) == 'E')
640     return(10.);
641 greg 2.3 if (vlet(ZONE) == 'I')
642 greg 2.2 return(.01);
643 greg 2.3 badvalue(ZONE);
644 schorsch 2.76 return 0; /* pro forma return */
645 greg 2.30 }
646    
647    
648 schorsch 2.76 static void
649     renderopts( /* set rendering options */
650     char *op,
651     char *po
652     )
653 greg 2.30 {
654     switch(vscale(QUALITY)) {
655     case LOW:
656 greg 2.38 lowqopts(op, po);
657 greg 2.30 break;
658     case MEDIUM:
659 greg 2.38 medqopts(op, po);
660 greg 2.30 break;
661     case HIGH:
662 greg 2.38 hiqopts(op, po);
663 greg 2.30 break;
664     }
665 greg 2.2 }
666 greg 2.1
667 greg 2.2
668 schorsch 2.76 static void
669     lowqopts( /* low quality rendering options */
670     register char *op,
671     char *po
672     )
673 greg 2.2 {
674     double d, org[3], siz[3];
675    
676 greg 2.1 *op = '\0';
677 greg 2.38 *po = '\0';
678 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
679 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
680     badvalue(ZONE);
681 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
682 schorsch 2.71 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
683 greg 2.39 badvalue(ZONE);
684 greg 2.2 getoctcube(org, &d);
685     d *= 3./(siz[0]+siz[1]+siz[2]);
686     switch (vscale(DETAIL)) {
687     case LOW:
688 greg 2.38 po = addarg(po, "-ps 16");
689     op = addarg(op, "-dp 64");
690 greg 2.72 sprintf(op, " -ar %d", (int)(8*d));
691 greg 2.2 op += strlen(op);
692     break;
693     case MEDIUM:
694 greg 2.38 po = addarg(po, "-ps 8");
695     op = addarg(op, "-dp 128");
696 greg 2.72 sprintf(op, " -ar %d", (int)(16*d));
697 greg 2.2 op += strlen(op);
698     break;
699     case HIGH:
700 greg 2.38 po = addarg(po, "-ps 4");
701     op = addarg(op, "-dp 256");
702 greg 2.72 sprintf(op, " -ar %d", (int)(32*d));
703 greg 2.2 op += strlen(op);
704     break;
705     }
706 greg 2.38 po = addarg(po, "-pt .16");
707 greg 2.2 if (vbool(PENUMBRAS))
708     op = addarg(op, "-ds .4");
709 greg 2.4 else
710     op = addarg(op, "-ds 0");
711 greg 2.17 op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
712 greg 2.2 if (vdef(AMBFILE)) {
713     sprintf(op, " -af %s", vval(AMBFILE));
714     op += strlen(op);
715     } else
716     overture = 0;
717     switch (vscale(VARIABILITY)) {
718     case LOW:
719 greg 2.72 op = addarg(op, "-aa .3 -ad 256");
720 greg 2.2 break;
721     case MEDIUM:
722 greg 2.72 op = addarg(op, "-aa .25 -ad 512");
723 greg 2.2 break;
724     case HIGH:
725 greg 2.72 op = addarg(op, "-aa .2 -ad 1024");
726 greg 2.2 break;
727     }
728     op = addarg(op, "-as 0");
729     d = ambval();
730     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
731     op += strlen(op);
732 greg 2.72 op = addarg(op, "-lr 6 -lw .01");
733 greg 2.1 if (vdef(RENDER))
734     op = addarg(op, vval(RENDER));
735     }
736    
737    
738 schorsch 2.76 static void
739     medqopts( /* medium quality rendering options */
740     register char *op,
741     char *po
742     )
743 greg 2.1 {
744 greg 2.47 double d, org[3], siz[3], asz;
745 greg 2.1
746     *op = '\0';
747 greg 2.38 *po = '\0';
748 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
749 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
750     badvalue(ZONE);
751 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
752 schorsch 2.71 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
753 greg 2.39 badvalue(ZONE);
754 greg 2.2 getoctcube(org, &d);
755 greg 2.47 asz = (siz[0]+siz[1]+siz[2])/3.;
756     d /= asz;
757 greg 2.2 switch (vscale(DETAIL)) {
758     case LOW:
759 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
760 greg 2.23 op = addarg(op, "-dp 256");
761 greg 2.72 sprintf(op, " -ar %d", (int)(16*d));
762 greg 2.2 op += strlen(op);
763 greg 2.47 sprintf(op, " -ms %.2g", asz/20.);
764     op += strlen(op);
765 greg 2.2 break;
766     case MEDIUM:
767 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
768 greg 2.23 op = addarg(op, "-dp 512");
769 greg 2.72 sprintf(op, " -ar %d", (int)(32*d));
770 greg 2.2 op += strlen(op);
771 greg 2.47 sprintf(op, " -ms %.2g", asz/40.);
772     op += strlen(op);
773 greg 2.2 break;
774     case HIGH:
775 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
776 greg 2.23 op = addarg(op, "-dp 1024");
777 greg 2.72 sprintf(op, " -ar %d", (int)(64*d));
778 greg 2.2 op += strlen(op);
779 greg 2.47 sprintf(op, " -ms %.2g", asz/80.);
780     op += strlen(op);
781 greg 2.2 break;
782     }
783 greg 2.38 po = addarg(po, "-pt .08");
784 greg 2.4 if (vbool(PENUMBRAS))
785 greg 2.28 op = addarg(op, "-ds .2 -dj .5");
786 greg 2.4 else
787 greg 2.2 op = addarg(op, "-ds .3");
788 greg 2.17 op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
789 schorsch 2.71 if ( (overture = vint(INDIRECT)) ) {
790 greg 2.5 sprintf(op, " -ab %d", overture);
791     op += strlen(op);
792     }
793 greg 2.2 if (vdef(AMBFILE)) {
794     sprintf(op, " -af %s", vval(AMBFILE));
795     op += strlen(op);
796     } else
797     overture = 0;
798     switch (vscale(VARIABILITY)) {
799     case LOW:
800 greg 2.72 op = addarg(op, "-aa .2 -ad 329 -as 42");
801 greg 2.2 break;
802     case MEDIUM:
803 greg 2.72 op = addarg(op, "-aa .15 -ad 800 -as 128");
804 greg 2.2 break;
805     case HIGH:
806 greg 2.72 op = addarg(op, "-aa .1 -ad 1536 -as 392");
807 greg 2.2 break;
808     }
809     d = ambval();
810     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
811     op += strlen(op);
812 greg 2.72 op = addarg(op, "-lr 8 -lw .002");
813 greg 2.1 if (vdef(RENDER))
814     op = addarg(op, vval(RENDER));
815     }
816    
817    
818 schorsch 2.76 static void
819     hiqopts( /* high quality rendering options */
820     register char *op,
821     char *po
822     )
823 greg 2.1 {
824 greg 2.47 double d, org[3], siz[3], asz;
825 greg 2.1
826     *op = '\0';
827 greg 2.38 *po = '\0';
828 greg 2.2 if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
829 greg 2.3 &siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
830     badvalue(ZONE);
831 greg 2.2 siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
832 schorsch 2.71 if ((siz[0] <= FTINY) | (siz[1] <= FTINY) | (siz[2] <= FTINY))
833 greg 2.39 badvalue(ZONE);
834 greg 2.2 getoctcube(org, &d);
835 greg 2.47 asz = (siz[0]+siz[1]+siz[2])/3.;
836     d /= asz;
837 greg 2.2 switch (vscale(DETAIL)) {
838     case LOW:
839 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
840 greg 2.23 op = addarg(op, "-dp 1024");
841 greg 2.72 sprintf(op, " -ar %d", (int)(32*d));
842 greg 2.2 op += strlen(op);
843 greg 2.47 sprintf(op, " -ms %.2g", asz/40.);
844     op += strlen(op);
845 greg 2.2 break;
846     case MEDIUM:
847 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
848 greg 2.23 op = addarg(op, "-dp 2048");
849 greg 2.72 sprintf(op, " -ar %d", (int)(64*d));
850 greg 2.2 op += strlen(op);
851 greg 2.47 sprintf(op, " -ms %.2g", asz/80.);
852     op += strlen(op);
853 greg 2.2 break;
854     case HIGH:
855 greg 2.38 po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
856 greg 2.23 op = addarg(op, "-dp 4096");
857 greg 2.72 sprintf(op, " -ar %d", (int)(128*d));
858 greg 2.47 op += strlen(op);
859     sprintf(op, " -ms %.2g", asz/160.);
860 greg 2.2 op += strlen(op);
861     break;
862     }
863 greg 2.38 po = addarg(po, "-pt .04");
864 greg 2.4 if (vbool(PENUMBRAS))
865 greg 2.42 op = addarg(op, "-ds .1 -dj .65");
866 greg 2.4 else
867 greg 2.2 op = addarg(op, "-ds .2");
868 greg 2.17 op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
869 greg 2.2 sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
870     op += strlen(op);
871     if (vdef(AMBFILE)) {
872     sprintf(op, " -af %s", vval(AMBFILE));
873     op += strlen(op);
874     } else
875     overture = 0;
876     switch (vscale(VARIABILITY)) {
877     case LOW:
878 greg 2.72 op = addarg(op, "-aa .125 -ad 512 -as 64");
879 greg 2.2 break;
880     case MEDIUM:
881 greg 2.72 op = addarg(op, "-aa .1 -ad 1536 -as 768");
882 greg 2.2 break;
883     case HIGH:
884 greg 2.72 op = addarg(op, "-aa .075 -ad 4096 -as 2048");
885 greg 2.2 break;
886     }
887     d = ambval();
888     sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
889     op += strlen(op);
890 greg 2.4 op = addarg(op, "-lr 12 -lw .0005");
891 greg 2.1 if (vdef(RENDER))
892     op = addarg(op, vval(RENDER));
893     }
894    
895    
896 schorsch 2.76 static void
897     xferopts( /* transfer options if indicated */
898     char *ro
899     )
900 greg 2.1 {
901     int fd, n;
902 greg 2.10 register char *cp;
903 greg 2.1
904     n = strlen(ro);
905     if (n < 2)
906     return;
907     if (vdef(OPTFILE)) {
908 greg 2.10 for (cp = ro; cp[1]; cp++)
909 greg 2.49 if (isspace(cp[1]) && (cp[2] == '@' ||
910     (cp[2] == '-' && isalpha(cp[3]))))
911 greg 2.10 *cp = '\n';
912     else
913     *cp = cp[1];
914     *cp = '\n';
915     fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
916     if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
917 greg 2.3 syserr(vval(OPTFILE));
918 greg 2.15 sprintf(ro, " @%s", vval(OPTFILE));
919 greg 2.1 }
920 schorsch 2.63 #ifdef _WIN32
921 greg 2.1 else if (n > 50) {
922 greg 2.8 setenv("ROPT", ro+1);
923 greg 2.1 strcpy(ro, " $ROPT");
924     }
925     #endif
926     }
927    
928    
929 schorsch 2.76 static void
930     pfiltopts( /* get pfilt options */
931     register char *po
932     )
933 greg 2.1 {
934     *po = '\0';
935     if (vdef(EXPOSURE)) {
936     po = addarg(po, "-1 -e");
937     po = addarg(po, vval(EXPOSURE));
938     }
939 greg 2.12 switch (vscale(QUALITY)) {
940     case MEDIUM:
941 greg 2.61 po = addarg(po, "-r .6");
942 greg 2.12 break;
943     case HIGH:
944 greg 2.14 po = addarg(po, "-m .25");
945 greg 2.12 break;
946     }
947 greg 2.1 if (vdef(PFILT))
948     po = addarg(po, vval(PFILT));
949     }
950    
951    
952 schorsch 2.76 static int
953     matchword( /* match white-delimited words */
954     register char *s1,
955     register char *s2
956     )
957 greg 2.1 {
958     while (isspace(*s1)) s1++;
959     while (isspace(*s2)) s2++;
960     while (*s1 && !isspace(*s1))
961     if (*s1++ != *s2++)
962     return(0);
963     return(!*s2 || isspace(*s2));
964     }
965    
966    
967 schorsch 2.76 static char *
968     specview( /* get proper view spec from vs */
969     register char *vs
970     )
971 greg 2.1 {
972 greg 2.3 static char vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
973     "-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
974 greg 2.1 static char viewopts[128];
975     register char *cp;
976 greg 2.3 int xpos, ypos, zpos, viewtype, upax;
977     register int i;
978 greg 2.1 double cent[3], dim[3], mult, d;
979    
980 greg 2.9 if (vs == NULL || *vs == '-')
981 greg 2.1 return(vs);
982 greg 2.3 upax = 0; /* get the up vector */
983     if (vdef(UP)) {
984     if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
985     upax = 1-'X'+UPPER(vval(UP)[1]);
986     else
987     upax = 1-'X'+vlet(UP);
988 schorsch 2.71 if ((upax < 1) | (upax > 3))
989 greg 2.3 badvalue(UP);
990     if (vval(UP)[0] == '-')
991     upax = -upax;
992     }
993 greg 2.1 /* check standard view names */
994     xpos = ypos = zpos = 0;
995     if (*vs == 'X') {
996     xpos = 1; vs++;
997     } else if (*vs == 'x') {
998     xpos = -1; vs++;
999     }
1000     if (*vs == 'Y') {
1001     ypos = 1; vs++;
1002     } else if (*vs == 'y') {
1003     ypos = -1; vs++;
1004     }
1005     if (*vs == 'Z') {
1006     zpos = 1; vs++;
1007     } else if (*vs == 'z') {
1008     zpos = -1; vs++;
1009     }
1010 greg 2.3 viewtype = 'v';
1011 schorsch 2.71 if((*vs == 'v') | (*vs == 'l') | (*vs == 'a') | (*vs == 'h') | (*vs == 'c'))
1012 greg 2.1 viewtype = *vs++;
1013     cp = viewopts;
1014 greg 2.3 if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) { /* got one! */
1015 greg 2.1 *cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
1016     if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
1017     &cent[0], &dim[0], &cent[1], &dim[1],
1018 greg 2.3 &cent[2], &dim[2]) != 6)
1019     badvalue(ZONE);
1020     for (i = 0; i < 3; i++) {
1021     dim[i] -= cent[i];
1022 greg 2.39 if (dim[i] <= FTINY)
1023     badvalue(ZONE);
1024 greg 2.3 cent[i] += .5*dim[i];
1025 greg 2.1 }
1026 greg 2.3 mult = vlet(ZONE)=='E' ? 2. : .45 ;
1027 greg 2.1 sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
1028     cent[0]+xpos*mult*dim[0],
1029     cent[1]+ypos*mult*dim[1],
1030     cent[2]+zpos*mult*dim[2],
1031     -xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
1032     cp += strlen(cp);
1033 greg 2.3 /* redirect up axis if necessary */
1034     switch (upax) {
1035     case 3: /* plus or minus Z axis */
1036     case -3:
1037     case 0:
1038     if (!(xpos|ypos))
1039     upax = 2;
1040 greg 2.1 break;
1041 greg 2.3 case 2: /* plus or minus Y axis */
1042     case -2:
1043     if (!(xpos|zpos))
1044     upax = 1;
1045     break;
1046     case 1: /* plus or minus X axis */
1047     case -1:
1048     if (!(ypos|zpos))
1049     upax = 3;
1050     break;
1051 greg 2.1 }
1052 greg 2.3 cp = addarg(cp, vup[upax+3]);
1053 greg 2.1 switch (viewtype) {
1054     case 'v':
1055     cp = addarg(cp, "-vh 45 -vv 45");
1056     break;
1057     case 'l':
1058     d = sqrt(dim[0]*dim[0]+dim[1]*dim[1]+dim[2]*dim[2]);
1059     sprintf(cp, " -vh %.2g -vv %.2g", d, d);
1060     cp += strlen(cp);
1061     break;
1062     case 'a':
1063     case 'h':
1064     cp = addarg(cp, "-vh 180 -vv 180");
1065 greg 2.44 break;
1066     case 'c':
1067     cp = addarg(cp, "-vh 180 -vv 90");
1068 greg 2.1 break;
1069     }
1070 greg 2.3 } else {
1071 greg 2.4 while (!isspace(*vs)) /* else skip id */
1072     if (!*vs++)
1073     return(NULL);
1074 greg 2.3 if (upax) { /* specify up vector */
1075     strcpy(cp, vup[upax+3]);
1076     cp += strlen(cp);
1077     }
1078     }
1079 greg 2.26 if (cp == viewopts) /* append any additional options */
1080     vs++; /* skip prefixed space if unneeded */
1081     strcpy(cp, vs);
1082 schorsch 2.63 #ifdef _WIN32
1083 greg 2.8 if (strlen(viewopts) > 40) {
1084     setenv("VIEW", viewopts);
1085     return("$VIEW");
1086     }
1087     #endif
1088 greg 2.1 return(viewopts);
1089     }
1090    
1091    
1092 schorsch 2.76 static char *
1093     getview( /* get view n, or NULL if none */
1094     int n,
1095     char *vn /* returned view name */
1096     )
1097 greg 2.1 {
1098 greg 2.19 register char *mv;
1099 greg 2.1
1100 greg 2.8 if (viewselect != NULL) { /* command-line selected */
1101 greg 2.1 if (n) /* only do one */
1102     return(NULL);
1103     if (viewselect[0] == '-') { /* already specified */
1104     if (vn != NULL) *vn = '\0';
1105     return(viewselect);
1106     }
1107     if (vn != NULL) {
1108     for (mv = viewselect; *mv && !isspace(*mv);
1109     *vn++ = *mv++)
1110     ;
1111     *vn = '\0';
1112     }
1113 greg 2.19 /* view number? */
1114 greg 2.20 if (isint(viewselect))
1115 gregl 2.55 return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1116 greg 2.1 /* check list */
1117 gregl 2.55 while ((mv = nvalue(VIEWS, n++)) != NULL)
1118 greg 2.1 if (matchword(viewselect, mv))
1119     return(specview(mv));
1120     return(specview(viewselect)); /* standard view? */
1121     }
1122 gregl 2.55 mv = nvalue(VIEWS, n); /* use view n */
1123 schorsch 2.71 if ((vn != NULL) & (mv != NULL)) {
1124 greg 2.19 register char *mv2 = mv;
1125     if (*mv2 != '-')
1126     while (*mv2 && !isspace(*mv2))
1127     *vn++ = *mv2++;
1128 greg 2.1 *vn = '\0';
1129     }
1130 greg 2.8 return(specview(mv));
1131 greg 2.20 }
1132    
1133    
1134 schorsch 2.76 static int
1135     myprintview( /* print out selected view */
1136     register char *vopts,
1137     FILE *fp
1138     )
1139 greg 2.20 {
1140 gregl 2.55 VIEW vwr;
1141     char buf[128];
1142 greg 2.21 register char *cp;
1143 greg 2.20 if (vopts == NULL)
1144     return(-1);
1145 schorsch 2.63 #ifdef _WIN32
1146 gregl 2.55 if (vopts[0] == '$') {
1147     vopts = getenv(vopts+1);
1148     goto again;
1149     }
1150 greg 2.24 #endif
1151 schorsch 2.70 vwr = stdview;
1152 gwlarson 2.59 sscanview(&vwr, cp=vopts); /* set initial options */
1153 gregl 2.55 while ((cp = strstr(cp, "-vf ")) != NULL &&
1154 gwlarson 2.59 *atos(buf, sizeof(buf), cp += 4)) {
1155     viewfile(buf, &vwr, NULL); /* load -vf file */
1156     sscanview(&vwr, cp); /* reset tail */
1157     }
1158 greg 2.67 fputs(VIEWSTR, fp);
1159     fprintview(&vwr, fp); /* print full spec. */
1160     fputc('\n', fp);
1161 greg 2.20 return(0);
1162 greg 2.1 }
1163    
1164    
1165 schorsch 2.76 static void
1166     rvu( /* run rvu with first view */
1167     char *opts,
1168     char *po
1169     )
1170 greg 2.1 {
1171 greg 2.21 char *vw;
1172 schorsch 2.65 char combuf[PATH_MAX];
1173 greg 2.1 /* build command */
1174 greg 2.41 if (touchonly || (vw = getview(0, NULL)) == NULL)
1175 greg 2.21 return;
1176     if (sayview)
1177 greg 2.67 myprintview(vw, stdout);
1178 greg 2.75 sprintf(combuf, "rvu %s%s%s -R %s ", vw, po, opts, rifname);
1179 greg 2.1 if (rvdevice != NULL)
1180     sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1181 greg 2.29 if (vdef(EXPOSURE))
1182     sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1183 greg 2.26 strcat(combuf, oct1name);
1184 greg 2.4 if (runcom(combuf)) { /* run it */
1185 greg 2.75 fprintf(stderr, "%s: error running rvu\n", progname);
1186 greg 2.53 quit(1);
1187 greg 2.1 }
1188     }
1189    
1190    
1191 schorsch 2.76 static void
1192     rpict( /* run rpict and pfilt for each view */
1193     char *opts,
1194     char *po
1195     )
1196 greg 2.1 {
1197 schorsch 2.65 char combuf[PATH_MAX];
1198     char rawfile[PATH_MAX], picfile[PATH_MAX];
1199     char zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1200 greg 2.67 char rppopt[128], *pfile = NULL;
1201 greg 2.3 char pfopts[128];
1202 greg 2.1 char vs[32], *vw;
1203     int vn, mult;
1204 greg 2.67 FILE *fp;
1205 greg 2.41 time_t rfdt, pfdt;
1206 greg 2.1 /* get pfilt options */
1207     pfiltopts(pfopts);
1208     /* get resolution, reporting */
1209 greg 2.31 switch (vscale(QUALITY)) {
1210     case LOW:
1211     mult = 1;
1212     break;
1213     case MEDIUM:
1214     mult = 2;
1215     break;
1216     case HIGH:
1217     mult = 3;
1218     break;
1219     }
1220 greg 2.1 {
1221     int xres, yres;
1222     double aspect;
1223     int n;
1224     n = sscanf(vval(RESOLUTION), "%d %d %lf", &xres, &yres, &aspect);
1225     if (n == 3)
1226     sprintf(res, "-x %d -y %d -pa %.3f",
1227     mult*xres, mult*yres, aspect);
1228     else if (n) {
1229     if (n == 1) yres = xres;
1230     sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1231 greg 2.3 } else
1232     badvalue(RESOLUTION);
1233 greg 2.1 }
1234     rep[0] = '\0';
1235     if (vdef(REPORT)) {
1236     double minutes;
1237     int n;
1238     n = sscanf(vval(REPORT), "%lf %s", &minutes, rawfile);
1239     if (n == 2)
1240     sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1241     else if (n == 1)
1242     sprintf(rep, " -t %d", (int)(minutes*60));
1243 greg 2.3 else
1244     badvalue(REPORT);
1245 greg 2.1 }
1246 greg 2.67 /* set up parallel rendering */
1247 schorsch 2.71 if ((nprocs > 1) & (!vdef(ZFILE))) {
1248 greg 2.67 strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1249     pfile = rppopt+9;
1250     if (mktemp(pfile) == NULL)
1251     pfile = NULL;
1252     }
1253 greg 2.66 vn = 0; /* do each view */
1254 greg 2.1 while ((vw = getview(vn++, vs)) != NULL) {
1255 greg 2.21 if (sayview)
1256 greg 2.67 myprintview(vw, stdout);
1257 greg 2.1 if (!vs[0])
1258     sprintf(vs, "%d", vn);
1259     sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1260 greg 2.45 if (vdef(ZFILE))
1261     sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1262     else
1263     zopt[0] = '\0';
1264 greg 2.1 /* check date on picture */
1265 greg 2.41 pfdt = fdate(picfile);
1266     if (pfdt >= oct1date)
1267 greg 2.1 continue;
1268 greg 2.41 /* get raw file name */
1269 greg 2.45 sprintf(rawfile, "%s_%s.unf",
1270     vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1271 greg 2.41 rfdt = fdate(rawfile);
1272     if (touchonly) { /* update times only */
1273     if (rfdt) {
1274     if (rfdt < oct1date)
1275     touch(rawfile);
1276     } else if (pfdt && pfdt < oct1date)
1277     touch(picfile);
1278     continue;
1279     }
1280 greg 2.67 if (next_process()) { /* parallel running? */
1281     if (pfile != NULL)
1282     sleep(20);
1283 greg 2.66 continue;
1284 greg 2.67 }
1285 greg 2.66 /* XXX Remember to call finish_process() */
1286 greg 2.1 /* build rpict command */
1287 greg 2.67 if (rfdt >= oct1date) { /* recover */
1288 greg 2.45 sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1289     rep, po, opts, zopt, rawfile, oct1name);
1290 greg 2.67 if (runcom(combuf)) /* run rpict */
1291     goto rperror;
1292     } else {
1293 greg 2.1 if (overture) { /* run overture calculation */
1294     sprintf(combuf,
1295     "rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1296     rep, vw, opts,
1297 greg 2.26 oct1name, overfile);
1298 greg 2.4 if (runcom(combuf)) {
1299 greg 2.1 fprintf(stderr,
1300 greg 2.6 "%s: error in overture for view %s\n",
1301     progname, vs);
1302 greg 2.53 quit(1);
1303 greg 2.1 }
1304 schorsch 2.65 #ifndef NULL_DEVICE
1305 greg 2.6 rmfile(overfile);
1306     #endif
1307 greg 2.1 }
1308 greg 2.45 sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1309 greg 2.67 rep, vw, res, po, opts,
1310     zopt, oct1name, rawfile);
1311     if (pfile != NULL && inchild()) {
1312     /* rpict persistent mode */
1313     if (!silent)
1314     printf("\t%s\n", combuf);
1315     sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1316     rep, rppopt, res, po, opts,
1317     oct1name, rawfile);
1318     fflush(stdout);
1319     fp = popen(combuf, "w");
1320     if (fp == NULL)
1321     goto rperror;
1322     myprintview(vw, fp);
1323     if (pclose(fp))
1324     goto rperror;
1325     } else { /* rpict normal mode */
1326     if (runcom(combuf))
1327     goto rperror;
1328     }
1329 greg 2.1 }
1330 greg 2.45 if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1331 greg 2.1 /* build pfilt command */
1332 greg 2.45 if (mult > 1)
1333     sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1334 greg 2.1 pfopts, mult, mult, rawfile, picfile);
1335 greg 2.45 else
1336     sprintf(combuf, "pfilt%s %s > %s", pfopts,
1337     rawfile, picfile);
1338 greg 2.67 if (runcom(combuf)) { /* run pfilt */
1339 greg 2.45 fprintf(stderr,
1340     "%s: error filtering view %s\n\t%s removed\n",
1341     progname, vs, picfile);
1342     unlink(picfile);
1343 greg 2.53 quit(1);
1344 greg 2.45 }
1345 greg 2.1 }
1346 greg 2.43 /* remove/rename raw file */
1347 greg 2.45 if (vdef(RAWFILE)) {
1348     sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1349 greg 2.43 mvfile(rawfile, combuf);
1350     } else
1351     rmfile(rawfile);
1352 greg 2.73 finish_process(); /* exit if child */
1353 greg 2.4 }
1354 greg 2.66 wait_process(1); /* wait for children to finish */
1355 greg 2.67 if (pfile != NULL) { /* clean up rpict persistent mode */
1356     int pid;
1357     fp = fopen(pfile, "r");
1358     if (fp != NULL) {
1359     if (fscanf(fp, "%*s %d", &pid) != 1 ||
1360 greg 2.73 kill(pid, 1) < 0)
1361 greg 2.67 unlink(pfile);
1362     fclose(fp);
1363     }
1364     }
1365     return;
1366     rperror:
1367     fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1368     quit(1);
1369 greg 2.41 }
1370    
1371    
1372 schorsch 2.76 static int
1373     touch( /* update a file */
1374     char *fn
1375     )
1376 greg 2.41 {
1377     if (!silent)
1378     printf("\ttouch %s\n", fn);
1379 greg 2.66 if (!nprocs)
1380 greg 2.41 return(0);
1381     #ifdef notused
1382     if (access(fn, F_OK) == -1) /* create it */
1383     if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1384     return(-1);
1385     #endif
1386     return(setfdate(fn, time((time_t *)NULL)));
1387 greg 2.4 }
1388    
1389    
1390 schorsch 2.76 static int
1391     runcom( /* run command */
1392     char *cs
1393     )
1394 greg 2.4 {
1395     if (!silent) /* echo it */
1396     printf("\t%s\n", cs);
1397 greg 2.66 if (!nprocs)
1398 greg 2.4 return(0);
1399     fflush(stdout); /* flush output and pass to shell */
1400     return(system(cs));
1401     }
1402    
1403    
1404 schorsch 2.76 static int
1405     rmfile( /* remove a file */
1406     char *fn
1407     )
1408 greg 2.4 {
1409     if (!silent)
1410 schorsch 2.69 printf("\t%s %s\n", DELCMD, fn);
1411 greg 2.66 if (!nprocs)
1412 greg 2.4 return(0);
1413     return(unlink(fn));
1414 greg 2.43 }
1415    
1416    
1417 schorsch 2.76 static int
1418     mvfile( /* move a file */
1419     char *fold,
1420     char *fnew
1421     )
1422 greg 2.43 {
1423     if (!silent)
1424 schorsch 2.69 printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1425 greg 2.66 if (!nprocs)
1426 greg 2.43 return(0);
1427     return(rename(fold, fnew));
1428 greg 2.3 }
1429 greg 2.8
1430 greg 2.66
1431     #ifdef RHAS_FORK_EXEC
1432 schorsch 2.76 static int
1433     next_process(void) /* fork the next process (max. nprocs) */
1434 greg 2.66 {
1435     int child_pid;
1436    
1437     if (nprocs <= 1)
1438     return(0); /* it's us or no one */
1439 greg 2.67 if (inchild()) {
1440 greg 2.73 fprintf(stderr, "%s: internal error 1 in next_process()\n",
1441 greg 2.66 progname);
1442     quit(1);
1443     }
1444     if (children_running >= nprocs)
1445     wait_process(0); /* wait for someone to finish */
1446     fflush(stdout);
1447     child_pid = fork(); /* split process */
1448     if (child_pid == 0) { /* we're the child */
1449     children_running = -1;
1450     return(0);
1451     }
1452     if (child_pid > 0) { /* we're the parent */
1453     ++children_running;
1454     return(1);
1455     }
1456     fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1457     return(0);
1458     }
1459    
1460 schorsch 2.76 static void
1461     wait_process( /* wait for process(es) to finish */
1462     int all
1463     )
1464 greg 2.66 {
1465     int ourstatus = 0;
1466     int pid, status;
1467    
1468     if (all)
1469     all = children_running;
1470     else if (children_running > 0)
1471     all = 1;
1472     while (all-- > 0) {
1473     pid = wait(&status);
1474     if (pid < 0)
1475     syserr(progname);
1476     status = status>>8 & 0xff;
1477     --children_running;
1478     if (status != 0) { /* child's problem is our problem */
1479 schorsch 2.71 if ((ourstatus == 0) & (children_running > 0))
1480 greg 2.66 fprintf(stderr, "%s: waiting for remaining processes\n",
1481     progname);
1482     ourstatus = status;
1483     all = children_running;
1484     }
1485     }
1486     if (ourstatus != 0)
1487     quit(ourstatus); /* bad status from child */
1488     }
1489     #else /* ! RHAS_FORK_EXEC */
1490 schorsch 2.76 static int
1491     next_process(void)
1492 greg 2.66 {
1493     return(0); /* cannot start new process */
1494     }
1495 schorsch 2.76 static void
1496 greg 2.66 wait_process(all)
1497     int all;
1498     {
1499     (void)all; /* no one to wait for */
1500 schorsch 2.68 }
1501     int
1502     kill(pid, sig) /* win|unix_process.c should also wait and kill */
1503     int pid, sig;
1504     {
1505     return 0;
1506 greg 2.66 }
1507     #endif /* ! RHAS_FORK_EXEC */
1508    
1509 schorsch 2.76 static void
1510     finish_process(void) /* exit a child process */
1511 greg 2.66 {
1512 greg 2.67 if (!inchild())
1513 greg 2.66 return; /* in parent -- noop */
1514     exit(0);
1515     }
1516 greg 2.8
1517 schorsch 2.63 #ifdef _WIN32
1518 greg 2.8 setenv(vname, value) /* set an environment variable */
1519     char *vname, *value;
1520     {
1521     register char *evp;
1522    
1523     evp = bmalloc(strlen(vname)+strlen(value)+2);
1524     if (evp == NULL)
1525     syserr(progname);
1526     sprintf(evp, "%s=%s", vname, value);
1527     if (putenv(evp) != 0) {
1528     fprintf(stderr, "%s: out of environment space\n", progname);
1529 greg 2.53 quit(1);
1530 greg 2.8 }
1531     if (!silent)
1532     printf("set %s\n", evp);
1533     }
1534     #endif
1535 greg 2.3
1536    
1537 schorsch 2.76 static void
1538     badvalue( /* report bad variable value and exit */
1539     int vc
1540     )
1541 greg 2.3 {
1542     fprintf(stderr, "%s: bad value for variable '%s'\n",
1543     progname, vnam(vc));
1544 greg 2.53 quit(1);
1545 greg 2.3 }
1546    
1547    
1548 schorsch 2.76 static void
1549     syserr( /* report a system error and exit */
1550     char *s
1551     )
1552 greg 2.3 {
1553     perror(s);
1554 greg 2.53 quit(1);
1555     }
1556    
1557    
1558 greg 2.61 void
1559 greg 2.53 quit(ec) /* exit program */
1560     int ec;
1561     {
1562     exit(ec);
1563 greg 2.1 }