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root/radiance/ray/src/util/rad.c

Comparing ray/src/util/rad.c (file contents):
Revision 2.1 by greg, Thu Mar 11 09:11:00 1993 UTC vs.
Revision 2.35 by greg, Tue Nov 23 09:26:38 1993 UTC

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

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