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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 2.69 by schorsch, Mon Jul 14 20:02:30 2003 UTC

#	Line 1 | Line 1
1	–	/* Copyright (c) 1993 Regents of the University of California */
2	–
1		#ifndef lint
2	<	static char SCCSid[] = "$SunId$ LBL";
2	>	static const char       RCSid[] = "$Id$";
3		#endif
6	–
4		/*
5		* Executive program for oconv, rpict and pfilt
6		*/
7
8		#include "standard.h"
9	<	#include "paths.h"
9	>
10		#include <ctype.h>
11	+	#include <time.h>
12
13	+	#include "platform.h"
14	+	#include "view.h"
15	+	#include "paths.h"
16	+	#include "vars.h"
17
18	<	typedef struct {
19	<	char    *name;          /* variable name */
20	<	short   nick;           /* # characters required for nickname */
21	<	short   nass;           /* # assignments made */
22	<	char    *value;         /* assigned value(s) */
23	<	int     (*fixval)();    /* assignment checking function */
24	<	} VARIABLE;
18	>	#ifdef _WIN32
19	>	#define DELCMD "del"
20	>	#define RENAMECMD "rename"
21	>	#else
22	>	#define DELCMD "rm -f"
23	>	#define RENAMECMD "mv"
24	>	#endif
25
26	<	int     onevalue(), catvalues();
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 */
26	>	/* variables (alphabetical by name) */
27	>	#define AMBFILE         0               /* ambient file name */
28	>	#define DETAIL          1               /* level of scene detail */
29	>	#define EXPOSURE        2               /* picture exposure setting */
30	>	#define EYESEP          3               /* interocular distance */
31	>	#define ILLUM           4               /* mkillum input files */
32	>	#define INDIRECT        5               /* indirection in lighting */
33	>	#define MATERIAL        6               /* material files */
34	>	#define MKILLUM         7               /* mkillum options */
35	>	#define OBJECT          8               /* object files */
36	>	#define OCONV           9               /* oconv options */
37	>	#define OCTREE          10              /* octree file name */
38	>	#define OPTFILE         11              /* rendering options file */
39	>	#define PENUMBRAS       12              /* shadow penumbras are desired */
40	>	#define PFILT           13              /* pfilt options */
41	>	#define PICTURE         14              /* picture file root name */
42	>	#define QUALITY         15              /* desired rendering quality */
43	>	#define RAWFILE         16              /* raw picture file root name */
44	>	#define RENDER          17              /* rendering options */
45	>	#define REPORT          18              /* report frequency and errfile */
46	>	#define RESOLUTION      19              /* maximum picture resolution */
47	>	#define SCENE           20              /* scene files */
48	>	#define UP              21              /* view up (X, Y or Z) */
49	>	#define VARIABILITY     22              /* level of light variability */
50	>	#define VIEWS           23              /* view(s) for picture(s) */
51	>	#define ZFILE           24              /* distance file root name */
52	>	#define ZONE            25              /* simulation zone */
53		/* total number of variables */
54	<	#define NVARS           21
54	>	int NVARS = 26;
55
56	<	VARIABLE        vv[NVARS] = {           /* variable-value pairs */
57	<	{"objects",     3,      0,      NULL,   catvalues},
58	<	{"scene",       3,      0,      NULL,   catvalues},
56	>	VARIABLE        vv[] = {                /* variable-value pairs */
57	>	{"AMBFILE",     3,      0,      NULL,   onevalue},
58	>	{"DETAIL",      3,      0,      NULL,   qualvalue},
59	>	{"EXPOSURE",    3,      0,      NULL,   fltvalue},
60	>	{"EYESEP",      3,      0,      NULL,   fltvalue},
61	>	{"illum",       3,      0,      NULL,   catvalues},
62	>	{"INDIRECT",    3,      0,      NULL,   intvalue},
63		{"materials",   3,      0,      NULL,   catvalues},
64	<	{"render",      3,      0,      NULL,   catvalues},
64	>	{"mkillum",     3,      0,      NULL,   catvalues},
65	>	{"objects",     3,      0,      NULL,   catvalues},
66		{"oconv",       3,      0,      NULL,   catvalues},
57	–	{"pfilt",       2,      0,      NULL,   catvalues},
58	–	{"view",        2,      0,      NULL,   NULL},
59	–	{"ZONE",        2,      0,      NULL,   onevalue},
60	–	{"QUALITY",     3,      0,      NULL,   onevalue},
67		{"OCTREE",      3,      0,      NULL,   onevalue},
62	–	{"PICTURE",     3,      0,      NULL,   onevalue},
63	–	{"AMBFILE",     3,      0,      NULL,   onevalue},
68		{"OPTFILE",     3,      0,      NULL,   onevalue},
69	<	{"EXPOSURE",    3,      0,      NULL,   onevalue},
69	>	{"PENUMBRAS",   3,      0,      NULL,   boolvalue},
70	>	{"pfilt",       2,      0,      NULL,   catvalues},
71	>	{"PICTURE",     3,      0,      NULL,   onevalue},
72	>	{"QUALITY",     3,      0,      NULL,   qualvalue},
73	>	{"RAWFILE",     3,      0,      NULL,   onevalue},
74	>	{"render",      3,      0,      NULL,   catvalues},
75	>	{"REPORT",      3,      0,      NULL,   onevalue},
76		{"RESOLUTION",  3,      0,      NULL,   onevalue},
77	+	{"scene",       3,      0,      NULL,   catvalues},
78		{"UP",          2,      0,      NULL,   onevalue},
79	<	{"INDIRECT",    3,      0,      NULL,   onevalue},
80	<	{"DETAIL",      3,      0,      NULL,   onevalue},
81	<	{"PENUMBRAS",   3,      0,      NULL,   onevalue},
82	<	{"VARIABILITY", 3,      0,      NULL,   onevalue},
72	<	{"REPORT",      3,      0,      NULL,   onevalue},
79	>	{"VARIABILITY", 3,      0,      NULL,   qualvalue},
80	>	{"view",        2,      0,      NULL,   NULL},
81	>	{"ZFILE",       2,      0,      NULL,   onevalue},
82	>	{"ZONE",        2,      0,      NULL,   onevalue},
83		};
84
85	<	VARIABLE        *matchvar();
86	<	char    *nvalue();
87	<	int     vscale();
85	>	/* overture calculation file */
86	>	#ifdef NULL_DEVICE
87	>	char    overfile[] = NULL_DEVICE;
88	>	#else
89	>	char    overfile[] = "overture.unf";
90	>	#endif
91
79	–	#define vnam(vc)        (vv[vc].name)
80	–	#define vdef(vc)        (vv[vc].nass)
81	–	#define vval(vc)        (vv[vc].value)
82	–	#define vint(vc)        atoi(vval(vc))
83	–	#define vlet(vc)        (vval(vc)[0]&~0x20)
84	–	#define vbool(vc)       (vlet(vc)=='T')
92
93	<	#define HIGH            2
94	<	#define MEDIUM          1
95	<	#define LOW             0
93	>	time_t  scenedate;              /* date of latest scene or object file */
94	>	time_t  octreedate;             /* date of octree */
95	>	time_t  matdate;                /* date of latest material file */
96	>	time_t  illumdate;              /* date of last illum file */
97
98	<	int     lowqopts(), medqopts(), hiqopts();
99	<	int     (*setqopts[3])() = {lowqopts, medqopts, hiqopts};
98	>	char    *oct0name;              /* name of pre-mkillum octree */
99	>	time_t  oct0date;               /* date of pre-mkillum octree */
100	>	char    *oct1name;              /* name of post-mkillum octree */
101	>	time_t  oct1date;               /* date of post-mkillum octree (>= matdate) */
102
103	<	#define renderopts      (*setqopts[vscale(QUALITY)])
94	<
95	<	extern long     fdate();
96	<
97	<	long    scenedate;              /* date of latest scene or object file */
98	<	long    octreedate;             /* date of octree */
99	<
103	>	int     nowarn = 0;             /* no warnings */
104		int     explicate = 0;          /* explicate variables */
105		int     silent = 0;             /* do work silently */
106	<	int     noaction = 0;           /* don't do anything */
106	>	int     touchonly = 0;          /* touch files only */
107	>	int     nprocs = 1;             /* maximum executing processes */
108	>	int     sayview = 0;            /* print view out */
109		char    *rvdevice = NULL;       /* rview output device */
110		char    *viewselect = NULL;     /* specific view only */
111
112		int     overture = 0;           /* overture calculation needed */
113
114	+	int     children_running = 0;   /* set negative in children */
115	+
116		char    *progname;              /* global argv[0] */
117	+	char    *rifname;               /* global rad input file name */
118
119	<	char    radname[MAXPATH];       /* root Radiance file name */
119	>	char    radname[PATH_MAX];      /* root Radiance file name */
120
121	+	#define inchild()       (children_running < 0)
122
123	+
124		main(argc, argv)
125		int     argc;
126		char    *argv[];
127		{
128		char    ropts[512];
129	+	char    popts[64];
130		int     i;
131
132		progname = argv[0];
#	Line 125 | Line 137 | char   *argv[];
137		silent++;
138		break;
139		case 'n':
140	<	noaction++;
140	>	nprocs = 0;
141		break;
142	+	case 'N':
143	+	nprocs = atoi(argv[++i]);
144	+	if (nprocs < 0)
145	+	nprocs = 0;
146	+	break;
147	+	case 't':
148	+	touchonly++;
149	+	break;
150		case 'e':
151		explicate++;
152		break;
153		case 'o':
154		rvdevice = argv[++i];
155		break;
156	+	case 'V':
157	+	sayview++;
158	+	break;
159		case 'v':
160		viewselect = argv[++i];
161		break;
162	+	case 'w':
163	+	nowarn++;
164	+	break;
165		default:
166		goto userr;
167		}
168		if (i >= argc)
169		goto userr;
170	+	rifname = argv[i];
171	+	/* check command-line options */
172	+	if (nprocs > 1 & viewselect != NULL)
173	+	nprocs = 1;
174		/* assign Radiance root file name */
175	<	rootname(radname, argv[i]);
175	>	rootname(radname, rifname);
176		/* load variable values */
177	<	load(argv[i]);
177	>	loadvars(rifname);
178		/* get any additional assignments */
179		for (i++; i < argc; i++)
180	<	setvariable(argv[i]);
180	>	if (setvariable(argv[i], matchvar) < 0) {
181	>	fprintf(stderr, "%s: unknown variable: %s\n",
182	>	progname, argv[i]);
183	>	quit(1);
184	>	}
185		/* check assignments */
186		checkvalues();
187		/* check files and dates */
#	Line 156 | Line 190 | char   *argv[];
190		setdefaults();
191		/* print all values if requested */
192		if (explicate)
193	<	printvals();
194	<	/* run simulation */
193	>	printvars(stdout);
194	>	/* build octree (and run mkillum) */
195		oconv();
196	<	renderopts(ropts);
196	>	/* check date on ambient file */
197	>	checkambfile();
198	>	/* run simulation */
199	>	renderopts(ropts, popts);
200		xferopts(ropts);
201		if (rvdevice != NULL)
202	<	rview(ropts);
202	>	rview(ropts, popts);
203		else
204	<	rpict(ropts);
205	<	exit(0);
204	>	rpict(ropts, popts);
205	>	quit(0);
206		userr:
207		fprintf(stderr,
208	<	"Usage: %s [-s][-n][-v view][-o dev] rfile [VAR=value ..]\n",
208	>	"Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
209		progname);
210	<	exit(1);
210	>	quit(1);
211		}
212
213
#	Line 189 | Line 226 | register char  *rn, *fn;
226		}
227
228
229	<	load(rfname)                    /* load Radiance simulation file */
230	<	char    *rfname;
229	>	time_t
230	>	checklast(fnames)                       /* check files and find most recent */
231	>	register char   *fnames;
232		{
233	<	FILE    *fp;
234	<	char    buf[256];
197	<	register char   *cp;
233	>	char    thisfile[PATH_MAX];
234	>	time_t  thisdate, lastdate = 0;
235
236	<	if (rfname == NULL)
237	<	fp = stdin;
238	<	else if ((fp = fopen(rfname, "r")) == NULL) {
239	<	perror(rfname);
240	<	exit(1);
236	>	if (fnames == NULL)
237	>	return(0);
238	>	while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
239	>	if (thisfile[0] == '!' ||
240	>	(thisfile[0] == '\\' && thisfile[1] == '!'))
241	>	continue;
242	>	if (!(thisdate = fdate(thisfile)))
243	>	syserr(thisfile);
244	>	if (thisdate > lastdate)
245	>	lastdate = thisdate;
246		}
247	<	while (fgetline(buf, sizeof(buf), fp) != NULL) {
206	<	for (cp = buf; *cp; cp++) {
207	<	switch (*cp) {
208	<	case '\\':
209	<	case '\n':
210	<	*cp = ' ';
211	<	continue;
212	<	case '#':
213	<	*cp = '\0';
214	<	break;
215	<	}
216	<	break;
217	<	}
218	<	setvariable(buf);
219	<	}
220	<	fclose(fp);
247	>	return(lastdate);
248		}
249
250
224	–	setvariable(ass)                /* assign variable according to string */
225	–	register char   *ass;
226	–	{
227	–	char    varname[32];
228	–	register char   *cp;
229	–	register VARIABLE       *vp;
230	–	register int    i;
231	–	int     n;
232	–
233	–	while (isspace(*ass))           /* skip leading space */
234	–	ass++;
235	–	cp = varname;                   /* extract name */
236	–	while (cp < varname+sizeof(varname)-1
237	–	&& *ass && !isspace(*ass) && *ass != '=')
238	–	*cp++ = *ass++;
239	–	*cp = '\0';
240	–	if (!varname[0])
241	–	return;         /* no variable name! */
242	–	/* trim value */
243	–	while (isspace(*ass) || *ass == '=')
244	–	ass++;
245	–	cp = ass + strlen(ass);
246	–	do
247	–	*cp-- = '\0';
248	–	while (cp >= ass && isspace(*cp));
249	–	n = cp - ass + 1;
250	–	if (!n) {
251	–	fprintf(stderr, "%s: warning - missing value for variable '%s'\n",
252	–	progname, varname);
253	–	return;
254	–	}
255	–	/* match variable from list */
256	–	vp = matchvar(varname);
257	–	if (vp == NULL) {
258	–	fprintf(stderr, "%s: unknown variable '%s'\n",
259	–	progname, varname);
260	–	exit(1);
261	–	}
262	–	/* assign new value */
263	–	cp = vp->value; i = vp->nass;
264	–	while (i--)
265	–	while (*cp++)
266	–	;
267	–	i = cp - vp->value;
268	–	vp->value = realloc(vp->value, i+n+1);
269	–	if (vp->value == NULL) {
270	–	perror(progname);
271	–	exit(1);
272	–	}
273	–	strcpy(vp->value+i, ass);
274	–	vp->nass++;
275	–	}
276	–
277	–
278	–	VARIABLE *
279	–	matchvar(nam)                   /* match a variable by its name */
280	–	char    *nam;
281	–	{
282	–	int     n = strlen(nam);
283	–	register int    i;
284	–
285	–	for (i = 0; i < NVARS; i++)
286	–	if (n >= vv[i].nick && !strncmp(nam, vv[i].name, n))
287	–	return(vv+i);
288	–	return(NULL);
289	–	}
290	–
291	–
251		char *
252	<	nvalue(vp, n)                   /* return nth variable value */
253	<	VARIABLE        *vp;
254	<	register int    n;
252	>	newfname(orig, pred)            /* create modified file name */
253	>	char    *orig;
254	>	int     pred;
255		{
256		register char   *cp;
257	+	register int    n;
258	+	int     suffix;
259
260	<	if (vp == NULL || n < 0 || n >= vp->nass)
261	<	return(NULL);
262	<	cp = vp->value;
263	<	while (n--)
264	<	while (*cp++)
265	<	;
260	>	n = 0; cp = orig; suffix = -1;          /* suffix position, length */
261	>	while (*cp) {
262	>	if (*cp == '.') suffix = n;
263	>	else if (ISDIRSEP(*cp)) suffix = -1;
264	>	cp++; n++;
265	>	}
266	>	if (suffix == -1) suffix = n;
267	>	if ((cp = bmalloc(n+2)) == NULL)
268	>	syserr(progname);
269	>	strncpy(cp, orig, suffix);
270	>	cp[suffix] = pred;                      /* root name + pred + suffix */
271	>	strcpy(cp+suffix+1, orig+suffix);
272		return(cp);
273		}
274
275
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	–
327	–	checkvalues()                   /* check assignments */
328	–	{
329	–	register int    i;
330	–
331	–	for (i = 0; i < NVARS; i++)
332	–	if (vv[i].fixval != NULL)
333	–	(*vv[i].fixval)(vv+i);
334	–	}
335	–
336	–
337	–	onevalue(vp)                    /* only one assignment for this variable */
338	–	register VARIABLE       *vp;
339	–	{
340	–	if (vp->nass < 2)
341	–	return;
342	–	fprintf(stderr, "%s: warning - multiple assignment of variable '%s'\n",
343	–	progname, vp->name);
344	–	while (vp->nass-- > 1)
345	–	vp->value += strlen(vp->value)+1;
346	–	}
347	–
348	–
349	–	catvalues(vp)                   /* concatenate variable values */
350	–	register VARIABLE       *vp;
351	–	{
352	–	register char   *cp;
353	–
354	–	if (vp->nass < 2)
355	–	return;
356	–	for (cp = vp->value; vp->nass > 1; vp->nass--) {
357	–	while (*cp)
358	–	cp++;
359	–	*cp++ = ' ';
360	–	}
361	–	}
362	–
363	–
364	–	long
365	–	checklast(fnames)                       /* check files and find most recent */
366	–	register char   *fnames;
367	–	{
368	–	char    thisfile[MAXPATH];
369	–	long    thisdate, lastdate = -1;
370	–	register char   *cp;
371	–
372	–	while (*fnames) {
373	–	while (isspace(*fnames)) fnames++;
374	–	cp = thisfile;
375	–	while (*fnames && !isspace(*fnames)) *cp++ = *fnames++;
376	–	*cp = '\0';
377	–	if ((thisdate = fdate(thisfile)) < 0) {
378	–	perror(thisfile);
379	–	exit(1);
380	–	}
381	–	if (thisdate > lastdate)
382	–	lastdate = thisdate;
383	–	}
384	–	return(lastdate);
385	–	}
386	–
387	–
276		checkfiles()                    /* check for existence and modified times */
277		{
278	<	long    objdate;
278	>	time_t  objdate;
279
280	<	octreedate = vdef(OCTREE) ? fdate(vval(OCTREE)) : -1;
281	<	scenedate = -1;
282	<	if (vdef(SCENE)) {
283	<	scenedate = checklast(vval(SCENE));
284	<	if (vdef(OBJECT)) {
285	<	objdate = checklast(vval(OBJECT));
286	<	if (objdate > scenedate)
287	<	scenedate = objdate;
288	<	}
280	>	if (!vdef(OCTREE)) {
281	>	if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
282	>	syserr(progname);
283	>	sprintf(vval(OCTREE), "%s.oct", radname);
284	>	vdef(OCTREE)++;
285	>	} else if (vval(OCTREE)[0] == '!') {
286	>	fprintf(stderr, "%s: illegal '%s' specification\n",
287	>	progname, vnam(OCTREE));
288	>	quit(1);
289		}
290	<	if (octreedate < 0 & scenedate < 0) {
291	<	fprintf(stderr, "%s: need scene or octree\n", progname);
292	<	exit(1);
290	>	octreedate = fdate(vval(OCTREE));
291	>	if (vdef(ILLUM)) {              /* illum requires secondary octrees */
292	>	oct0name = newfname(vval(OCTREE), '0');
293	>	oct1name = newfname(vval(OCTREE), '1');
294	>	oct0date = fdate(oct0name);
295	>	oct1date = fdate(oct1name);
296	>	} else
297	>	oct0name = oct1name = vval(OCTREE);
298	>	if ((scenedate = checklast(vval(SCENE))) &&
299	>	(objdate = checklast(vval(OBJECT))) > scenedate)
300	>	scenedate = objdate;
301	>	illumdate = checklast(vval(ILLUM));
302	>	if (!octreedate & !scenedate & !illumdate) {
303	>	fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
304	>	vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
305	>	quit(1);
306		}
307	+	matdate = checklast(vval(MATERIAL));
308		}
309
310
311	<	setdefaults()                   /* set default values for unassigned var's */
311	>	getoctcube(org, sizp)           /* get octree bounding cube */
312	>	double  org[3], *sizp;
313		{
314	+	extern FILE     *popen();
315	+	static double   oorg[3], osiz = 0.;
316	+	double  min[3], max[3];
317	+	char    buf[1024];
318		FILE    *fp;
319	<	double  xmin, ymin, zmin, size;
413	<	char    buf[512];
414	<	char    *cp;
319	>	register int    i;
320
321	<	if (!vdef(OCTREE)) {
322	<	sprintf(buf, "%s.oct", radname);
323	<	vval(OCTREE) = savqstr(buf);
324	<	vdef(OCTREE)++;
325	<	}
326	<	if (!vdef(ZONE)) {
327	<	if (scenedate > octreedate) {
328	<	sprintf(buf, "getbbox -w -h %s", vval(SCENE));
329	<	if (!silent) {
330	<	printf("\t%s\n", buf);
331	<	fflush(stdout);
321	>	if (osiz <= FTINY)
322	>	if (!nprocs && fdate(oct1name) <
323	>	(scenedate>illumdate?scenedate:illumdate)) {
324	>	/* run getbbox */
325	>	sprintf(buf, "getbbox -w -h %s",
326	>	vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
327	>	if ((fp = popen(buf, "r")) == NULL)
328	>	syserr("getbbox");
329	>	if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
330	>	&min[0], &max[0], &min[1], &max[1],
331	>	&min[2], &max[2]) != 6) {
332	>	fprintf(stderr,
333	>	"%s: error reading bounding box from getbbox\n",
334	>	progname);
335	>	quit(1);
336		}
337	<	if ((fp = popen(buf, "r")) == NULL) {
338	<	perror("getbbox");
339	<	exit(1);
340	<	}
341	<	buf[0] = 'E'; buf[1] = ' ';
433	<	fgetline(buf+2, sizeof(buf)-2, fp);
337	>	for (i = 0; i < 3; i++)
338	>	if (max[i] - min[i] > osiz)
339	>	osiz = max[i] - min[i];
340	>	for (i = 0; i < 3; i++)
341	>	oorg[i] = (max[i]+min[i]-osiz)*.5;
342		pclose(fp);
343	<	} else {
344	<	sprintf(buf, "getinfo -d < %s", vval(OCTREE));
345	<	if ((fp = popen(buf, "r")) == NULL) {
346	<	perror("getinfo");
347	<	exit(1);
343	>	} else {                                /* from octree */
344	>	oconv();        /* does nothing if done already */
345	>	sprintf(buf, "getinfo -d < %s", oct1name);
346	>	if ((fp = popen(buf, "r")) == NULL)
347	>	syserr("getinfo");
348	>	if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
349	>	&oorg[2], &osiz) != 4) {
350	>	fprintf(stderr,
351	>	"%s: error reading bounding cube from getinfo\n",
352	>	progname);
353	>	quit(1);
354		}
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);
355		pclose(fp);
356		}
357	+	org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
358	+	}
359	+
360	+
361	+	setdefaults()                   /* set default values for unassigned var's */
362	+	{
363	+	double  org[3], lim[3], size;
364	+	char    buf[128];
365	+
366	+	if (!vdef(ZONE)) {
367	+	getoctcube(org, &size);
368	+	sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
369	+	org[1], org[1]+size, org[2], org[2]+size);
370		vval(ZONE) = savqstr(buf);
371		vdef(ZONE)++;
372		}
373	<	if (!vdef(UP)) {
374	<	vval(UP) = "Z";
375	<	vdef(UP)++;
373	>	if (!vdef(EYESEP)) {
374	>	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
375	>	&org[0], &lim[0], &org[1], &lim[1],
376	>	&org[2], &lim[2]) != 6)
377	>	badvalue(ZONE);
378	>	sprintf(buf, "%f",
379	>	0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
380	>	vval(EYESEP) = savqstr(buf);
381	>	vdef(EYESEP)++;
382		}
383		if (!vdef(INDIRECT)) {
384		vval(INDIRECT) = "0";
#	Line 467 | Line 396 | setdefaults()                  /* set default values for unassigned v
396		vval(PICTURE) = radname;
397		vdef(PICTURE)++;
398		}
399	<	if (!vdef(AMBFILE)) {
400	<	sprintf(buf, "%s.amb", radname);
401	<	vval(AMBFILE) = savqstr(buf);
473	<	vdef(AMBFILE)++;
399	>	if (!vdef(VIEWS)) {
400	>	vval(VIEWS) = "X";
401	>	vdef(VIEWS)++;
402		}
475	–	if (!vdef(VIEW)) {
476	–	vval(VIEW) = "X";
477	–	vdef(VIEW)++;
478	–	}
403		if (!vdef(DETAIL)) {
404		vval(DETAIL) = "M";
405		vdef(DETAIL)++;
#	Line 491 | Line 415 | setdefaults()                  /* set default values for unassigned v
415		}
416
417
418	<	printvals()                     /* print variable values */
418	>	oconv()                         /* run oconv and mkillum if necessary */
419		{
420	<	register int    i, j;
420	>	static char     illumtmp[] = "ilXXXXXX";
421	>	char    combuf[PATH_MAX], ocopts[64], mkopts[64];
422
423	<	for (i = 0; i < NVARS; i++)
424	<	for (j = 0; j < vv[i].nass; j++)
425	<	printf("%s= %s\n", vv[i].name, nvalue(vv+i, j));
426	<	fflush(stdout);
427	<	}
428	<
429	<
430	<	oconv()                         /* run oconv if necessary */
431	<	{
432	<	char    combuf[512], ocopts[64];
433	<
434	<	if (octreedate > scenedate)     /* check dates */
435	<	return;
436	<	/* build command */
437	<	oconvopts(ocopts);
438	<	sprintf(combuf, "oconv%s %s > %s", ocopts, vval(SCENE), vval(OCTREE));
439	<	if (!silent) {                  /* echo it */
440	<	printf("\t%s\n", combuf);
441	<	fflush(stdout);
423	>	oconvopts(ocopts);              /* get options */
424	>	if (octreedate < scenedate) {   /* check date on original octree */
425	>	if (touchonly && octreedate)
426	>	touch(vval(OCTREE));
427	>	else {                          /* build command */
428	>	if (vdef(MATERIAL))
429	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
430	>	vval(MATERIAL), vval(SCENE),
431	>	vval(OCTREE));
432	>	else
433	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
434	>	vval(SCENE), vval(OCTREE));
435	>
436	>	if (runcom(combuf)) {           /* run it */
437	>	fprintf(stderr,
438	>	"%s: error generating octree\n\t%s removed\n",
439	>	progname, vval(OCTREE));
440	>	unlink(vval(OCTREE));
441	>	quit(1);
442	>	}
443	>	}
444	>	octreedate = time((time_t *)NULL);
445	>	if (octreedate < scenedate)     /* in case clock is off */
446	>	octreedate = scenedate;
447		}
448	<	if (noaction)
448	>	if (oct1name == vval(OCTREE))           /* no mkillum? */
449	>	oct1date = octreedate > matdate ? octreedate : matdate;
450	>	if (oct1date >= octreedate & oct1date >= matdate
451	>	& oct1date >= illumdate)        /* all done */
452		return;
453	<	if (system(combuf)) {           /* run it */
454	<	fprintf(stderr, "%s: error generating octree\n\t%s removed\n",
455	<	progname, vval(OCTREE));
456	<	unlink(vval(OCTREE));
457	<	exit(1);
453	>	/* make octree0 */
454	>	if (oct0date < scenedate | oct0date < illumdate) {
455	>	if (touchonly && oct0date)
456	>	touch(oct0name);
457	>	else {                          /* build command */
458	>	if (octreedate)
459	>	sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
460	>	vval(OCTREE), vval(ILLUM), oct0name);
461	>	else if (vdef(MATERIAL))
462	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
463	>	vval(MATERIAL), vval(ILLUM), oct0name);
464	>	else
465	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
466	>	vval(ILLUM), oct0name);
467	>	if (runcom(combuf)) {           /* run it */
468	>	fprintf(stderr,
469	>	"%s: error generating octree\n\t%s removed\n",
470	>	progname, oct0name);
471	>	unlink(oct0name);
472	>	quit(1);
473	>	}
474	>	}
475	>	oct0date = time((time_t *)NULL);
476	>	if (oct0date < octreedate)      /* in case clock is off */
477	>	oct0date = octreedate;
478	>	if (oct0date < illumdate)       /* ditto */
479	>	oct0date = illumdate;
480	>	}
481	>	if (touchonly && oct1date)
482	>	touch(oct1name);
483	>	else {
484	>	mkillumopts(mkopts);            /* build mkillum command */
485	>	mktemp(illumtmp);
486	>	sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
487	>	oct0name, vval(ILLUM), illumtmp);
488	>	if (runcom(combuf)) {                   /* run it */
489	>	fprintf(stderr, "%s: error running mkillum\n",
490	>	progname);
491	>	unlink(illumtmp);
492	>	quit(1);
493	>	}
494	>	/* make octree1 (frozen) */
495	>	if (octreedate)
496	>	sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
497	>	vval(OCTREE), illumtmp, oct1name);
498	>	else if (vdef(MATERIAL))
499	>	sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
500	>	vval(MATERIAL), illumtmp, oct1name);
501	>	else
502	>	sprintf(combuf, "oconv%s -f %s > %s", ocopts,
503	>	illumtmp, oct1name);
504	>	if (runcom(combuf)) {           /* run it */
505	>	fprintf(stderr,
506	>	"%s: error generating octree\n\t%s removed\n",
507	>	progname, oct1name);
508	>	unlink(oct1name);
509	>	unlink(illumtmp);
510	>	quit(1);
511	>	}
512	>	rmfile(illumtmp);
513		}
514	+	oct1date = time((time_t *)NULL);
515	+	if (oct1date < oct0date)        /* in case clock is off */
516	+	oct1date = oct0date;
517		}
518
519
#	Line 538 | Line 529 | register char  *op, *arg;
529
530
531		oconvopts(oo)                           /* get oconv options */
532	<	char    *oo;
532	>	register char   *oo;
533		{
534	+	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
535	+
536		*oo = '\0';
537		if (vdef(OCONV))
538		addarg(oo, vval(OCONV));
539		}
540
541
542	<	lowqopts(ro)                            /* low quality rendering options */
543	<	char    *ro;
542	>	mkillumopts(mo)                         /* get mkillum options */
543	>	register char   *mo;
544		{
545	<	register char   *op = ro;
545	>	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
546
547	+	*mo = '\0';
548	+	if (vdef(MKILLUM))
549	+	addarg(mo, vval(MKILLUM));
550	+	}
551	+
552	+
553	+	checkambfile()                  /* check date on ambient file */
554	+	{
555	+	time_t  afdate;
556	+
557	+	if (!vdef(AMBFILE))
558	+	return;
559	+	if (!(afdate = fdate(vval(AMBFILE))))
560	+	return;
561	+	if (oct1date > afdate)
562	+	if (touchonly)
563	+	touch(vval(AMBFILE));
564	+	else
565	+	rmfile(vval(AMBFILE));
566	+	}
567	+
568	+
569	+	double
570	+	ambval()                                /* compute ambient value */
571	+	{
572	+	if (vdef(EXPOSURE)) {
573	+	if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
574	+	return(.5/pow(2.,vflt(EXPOSURE)));
575	+	return(.5/vflt(EXPOSURE));
576	+	}
577	+	if (vlet(ZONE) == 'E')
578	+	return(10.);
579	+	if (vlet(ZONE) == 'I')
580	+	return(.01);
581	+	badvalue(ZONE);
582	+	}
583	+
584	+
585	+	renderopts(op, po)                      /* set rendering options */
586	+	char    *op, *po;
587	+	{
588	+	switch(vscale(QUALITY)) {
589	+	case LOW:
590	+	lowqopts(op, po);
591	+	break;
592	+	case MEDIUM:
593	+	medqopts(op, po);
594	+	break;
595	+	case HIGH:
596	+	hiqopts(op, po);
597	+	break;
598	+	}
599	+	}
600	+
601	+
602	+	lowqopts(op, po)                        /* low quality rendering options */
603	+	register char   *op;
604	+	char    *po;
605	+	{
606	+	double  d, org[3], siz[3];
607	+
608		*op = '\0';
609	+	*po = '\0';
610	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
611	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
612	+	badvalue(ZONE);
613	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
614	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
615	+	badvalue(ZONE);
616	+	getoctcube(org, &d);
617	+	d *= 3./(siz[0]+siz[1]+siz[2]);
618	+	switch (vscale(DETAIL)) {
619	+	case LOW:
620	+	po = addarg(po, "-ps 16");
621	+	op = addarg(op, "-dp 64");
622	+	sprintf(op, " -ar %d", (int)(4*d));
623	+	op += strlen(op);
624	+	break;
625	+	case MEDIUM:
626	+	po = addarg(po, "-ps 8");
627	+	op = addarg(op, "-dp 128");
628	+	sprintf(op, " -ar %d", (int)(8*d));
629	+	op += strlen(op);
630	+	break;
631	+	case HIGH:
632	+	po = addarg(po, "-ps 4");
633	+	op = addarg(op, "-dp 256");
634	+	sprintf(op, " -ar %d", (int)(16*d));
635	+	op += strlen(op);
636	+	break;
637	+	}
638	+	po = addarg(po, "-pt .16");
639	+	if (vbool(PENUMBRAS))
640	+	op = addarg(op, "-ds .4");
641	+	else
642	+	op = addarg(op, "-ds 0");
643	+	op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
644	+	if (vdef(AMBFILE)) {
645	+	sprintf(op, " -af %s", vval(AMBFILE));
646	+	op += strlen(op);
647	+	} else
648	+	overture = 0;
649	+	switch (vscale(VARIABILITY)) {
650	+	case LOW:
651	+	op = addarg(op, "-aa .4 -ad 64");
652	+	break;
653	+	case MEDIUM:
654	+	op = addarg(op, "-aa .3 -ad 128");
655	+	break;
656	+	case HIGH:
657	+	op = addarg(op, "-aa .25 -ad 256");
658	+	break;
659	+	}
660	+	op = addarg(op, "-as 0");
661	+	d = ambval();
662	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
663	+	op += strlen(op);
664	+	op = addarg(op, "-lr 3 -lw .02");
665		if (vdef(RENDER))
666		op = addarg(op, vval(RENDER));
667		}
668
669
670	<	medqopts(ro)                            /* medium quality rendering options */
671	<	char    *ro;
670	>	medqopts(op, po)                        /* medium quality rendering options */
671	>	register char   *op;
672	>	char    *po;
673		{
674	<	register char   *op = ro;
674	>	double  d, org[3], siz[3], asz;
675
676		*op = '\0';
677	+	*po = '\0';
678	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
679	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
680	+	badvalue(ZONE);
681	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
682	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
683	+	badvalue(ZONE);
684	+	getoctcube(org, &d);
685	+	asz = (siz[0]+siz[1]+siz[2])/3.;
686	+	d /= asz;
687	+	switch (vscale(DETAIL)) {
688	+	case LOW:
689	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
690	+	op = addarg(op, "-dp 256");
691	+	sprintf(op, " -ar %d", (int)(8*d));
692	+	op += strlen(op);
693	+	sprintf(op, " -ms %.2g", asz/20.);
694	+	op += strlen(op);
695	+	break;
696	+	case MEDIUM:
697	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
698	+	op = addarg(op, "-dp 512");
699	+	sprintf(op, " -ar %d", (int)(16*d));
700	+	op += strlen(op);
701	+	sprintf(op, " -ms %.2g", asz/40.);
702	+	op += strlen(op);
703	+	break;
704	+	case HIGH:
705	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
706	+	op = addarg(op, "-dp 1024");
707	+	sprintf(op, " -ar %d", (int)(32*d));
708	+	op += strlen(op);
709	+	sprintf(op, " -ms %.2g", asz/80.);
710	+	op += strlen(op);
711	+	break;
712	+	}
713	+	po = addarg(po, "-pt .08");
714	+	if (vbool(PENUMBRAS))
715	+	op = addarg(op, "-ds .2 -dj .5");
716	+	else
717	+	op = addarg(op, "-ds .3");
718	+	op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
719	+	if (overture = vint(INDIRECT)) {
720	+	sprintf(op, " -ab %d", overture);
721	+	op += strlen(op);
722	+	}
723	+	if (vdef(AMBFILE)) {
724	+	sprintf(op, " -af %s", vval(AMBFILE));
725	+	op += strlen(op);
726	+	} else
727	+	overture = 0;
728	+	switch (vscale(VARIABILITY)) {
729	+	case LOW:
730	+	op = addarg(op, "-aa .25 -ad 196 -as 0");
731	+	break;
732	+	case MEDIUM:
733	+	op = addarg(op, "-aa .2 -ad 400 -as 64");
734	+	break;
735	+	case HIGH:
736	+	op = addarg(op, "-aa .15 -ad 768 -as 196");
737	+	break;
738	+	}
739	+	d = ambval();
740	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
741	+	op += strlen(op);
742	+	op = addarg(op, "-lr 6 -lw .002");
743		if (vdef(RENDER))
744		op = addarg(op, vval(RENDER));
745		}
746
747
748	<	hiqopts(ro)                             /* high quality rendering options */
749	<	char    *ro;
748	>	hiqopts(op, po)                         /* high quality rendering options */
749	>	register char   *op;
750	>	char    *po;
751		{
752	<	register char   *op = ro;
752	>	double  d, org[3], siz[3], asz;
753
754		*op = '\0';
755	+	*po = '\0';
756	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
757	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
758	+	badvalue(ZONE);
759	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
760	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
761	+	badvalue(ZONE);
762	+	getoctcube(org, &d);
763	+	asz = (siz[0]+siz[1]+siz[2])/3.;
764	+	d /= asz;
765	+	switch (vscale(DETAIL)) {
766	+	case LOW:
767	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
768	+	op = addarg(op, "-dp 1024");
769	+	sprintf(op, " -ar %d", (int)(16*d));
770	+	op += strlen(op);
771	+	sprintf(op, " -ms %.2g", asz/40.);
772	+	op += strlen(op);
773	+	break;
774	+	case MEDIUM:
775	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
776	+	op = addarg(op, "-dp 2048");
777	+	sprintf(op, " -ar %d", (int)(32*d));
778	+	op += strlen(op);
779	+	sprintf(op, " -ms %.2g", asz/80.);
780	+	op += strlen(op);
781	+	break;
782	+	case HIGH:
783	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
784	+	op = addarg(op, "-dp 4096");
785	+	sprintf(op, " -ar %d", (int)(64*d));
786	+	op += strlen(op);
787	+	sprintf(op, " -ms %.2g", asz/160.);
788	+	op += strlen(op);
789	+	break;
790	+	}
791	+	po = addarg(po, "-pt .04");
792	+	if (vbool(PENUMBRAS))
793	+	op = addarg(op, "-ds .1 -dj .65");
794	+	else
795	+	op = addarg(op, "-ds .2");
796	+	op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
797	+	sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
798	+	op += strlen(op);
799	+	if (vdef(AMBFILE)) {
800	+	sprintf(op, " -af %s", vval(AMBFILE));
801	+	op += strlen(op);
802	+	} else
803	+	overture = 0;
804	+	switch (vscale(VARIABILITY)) {
805	+	case LOW:
806	+	op = addarg(op, "-aa .15 -ad 256 -as 0");
807	+	break;
808	+	case MEDIUM:
809	+	op = addarg(op, "-aa .125 -ad 512 -as 256");
810	+	break;
811	+	case HIGH:
812	+	op = addarg(op, "-aa .08 -ad 1024 -as 512");
813	+	break;
814	+	}
815	+	d = ambval();
816	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
817	+	op += strlen(op);
818	+	op = addarg(op, "-lr 12 -lw .0005");
819		if (vdef(RENDER))
820		op = addarg(op, vval(RENDER));
821		}
#	Line 583 | Line 825 | xferopts(ro)                           /* transfer options if indicated */
825		char    *ro;
826		{
827		int     fd, n;
828	+	register char   *cp;
829
830		n = strlen(ro);
831		if (n < 2)
832		return;
833		if (vdef(OPTFILE)) {
834	<	if ((fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1) {
835	<	perror(vval(OPTFILE));
836	<	exit(1);
837	<	}
838	<	if (write(fd, ro+1, n-1) != n-1) {
839	<	perror(vval(OPTFILE));
840	<	exit(1);
841	<	}
842	<	write(fd, "\n", 1);
843	<	close(fd);
844	<	ro[0] = ' ';
602	<	ro[1] = '^';
603	<	strcpy(ro+2, vval(OPTFILE));
834	>	for (cp = ro; cp[1]; cp++)
835	>	if (isspace(cp[1]) && (cp[2] == '@' ||
836	>	(cp[2] == '-' && isalpha(cp[3]))))
837	>	*cp = '\n';
838	>	else
839	>	*cp = cp[1];
840	>	*cp = '\n';
841	>	fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
842	>	if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
843	>	syserr(vval(OPTFILE));
844	>	sprintf(ro, " @%s", vval(OPTFILE));
845		}
846	<	#ifdef MSDOS
846	>	#ifdef _WIN32
847		else if (n > 50) {
848	<	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);
848	>	setenv("ROPT", ro+1);
849		strcpy(ro, " $ROPT");
850		}
851		#endif
#	Line 626 | Line 860 | register char  *po;
860		po = addarg(po, "-1 -e");
861		po = addarg(po, vval(EXPOSURE));
862		}
863	<	if (vscale(QUALITY) == HIGH)
864	<	po = addarg(po, "-r .65");
863	>	switch (vscale(QUALITY)) {
864	>	case MEDIUM:
865	>	po = addarg(po, "-r .6");
866	>	break;
867	>	case HIGH:
868	>	po = addarg(po, "-m .25");
869	>	break;
870	>	}
871		if (vdef(PFILT))
872		po = addarg(po, vval(PFILT));
873		}
#	Line 649 | Line 889 | char *
889		specview(vs)                            /* get proper view spec from vs */
890		register char   *vs;
891		{
892	+	static char     vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
893	+	"-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
894		static char     viewopts[128];
895		register char   *cp;
896	<	int     xpos, ypos, zpos, viewtype;
897	<	int     exterior;
896	>	int     xpos, ypos, zpos, viewtype, upax;
897	>	register int    i;
898		double  cent[3], dim[3], mult, d;
899
900		if (vs == NULL || *vs == '-')
901		return(vs);
902	+	upax = 0;                       /* get the up vector */
903	+	if (vdef(UP)) {
904	+	if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
905	+	upax = 1-'X'+UPPER(vval(UP)[1]);
906	+	else
907	+	upax = 1-'X'+vlet(UP);
908	+	if (upax < 1 | upax > 3)
909	+	badvalue(UP);
910	+	if (vval(UP)[0] == '-')
911	+	upax = -upax;
912	+	}
913		/* check standard view names */
914		xpos = ypos = zpos = 0;
662	–	viewtype = 0;
915		if (*vs == 'X') {
916		xpos = 1; vs++;
917		} else if (*vs == 'x') {
#	Line 675 | Line 927 | register char  *vs;
927		} else if (*vs == 'z') {
928		zpos = -1; vs++;
929		}
930	<	if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h')
930	>	viewtype = 'v';
931	>	if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
932		viewtype = *vs++;
680	–	else if (!*vs || isspace(*vs))
681	–	viewtype = 'v';
933		cp = viewopts;
934	<	if (viewtype && (xpos|ypos|zpos)) {     /* got standard view */
934	>	if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) {       /* got one! */
935		*cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
936		if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
937		&cent[0], &dim[0], &cent[1], &dim[1],
938	<	&cent[2], &dim[2]) != 6) {
939	<	fprintf(stderr, "%s: bad zone specification\n",
940	<	progname);
941	<	exit(1);
938	>	&cent[2], &dim[2]) != 6)
939	>	badvalue(ZONE);
940	>	for (i = 0; i < 3; i++) {
941	>	dim[i] -= cent[i];
942	>	if (dim[i] <= FTINY)
943	>	badvalue(ZONE);
944	>	cent[i] += .5*dim[i];
945		}
946	<	dim[0] -= cent[0];
693	<	dim[1] -= cent[1];
694	<	dim[2] -= cent[2];
695	<	exterior = vlet(ZONE) == 'E';
696	<	mult = exterior ? 2. : .45 ;
946	>	mult = vlet(ZONE)=='E' ? 2. : .45 ;
947		sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
948		cent[0]+xpos*mult*dim[0],
949		cent[1]+ypos*mult*dim[1],
950		cent[2]+zpos*mult*dim[2],
951		-xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
952		cp += strlen(cp);
953	<	switch (vlet(UP)) {
954	<	case 'Z':
955	<	if (xpos|ypos) {
956	<	cp = addarg(cp, "-vu 0 0 1");
957	<	break;
958	<	}
959	<	/* 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");
953	>	/* redirect up axis if necessary */
954	>	switch (upax) {
955	>	case 3:                 /* plus or minus Z axis */
956	>	case -3:
957	>	case 0:
958	>	if (!(xpos|ypos))
959	>	upax = 2;
960		break;
961	<	default:
962	<	fprintf(stderr, "%s: illegal value for variable '%s'\n",
963	<	progname, vnam(UP));
964	<	exit(1);
961	>	case 2:                 /* plus or minus Y axis */
962	>	case -2:
963	>	if (!(xpos|zpos))
964	>	upax = 1;
965	>	break;
966	>	case 1:                 /* plus or minus X axis */
967	>	case -1:
968	>	if (!(ypos|zpos))
969	>	upax = 3;
970	>	break;
971		}
972	+	cp = addarg(cp, vup[upax+3]);
973		switch (viewtype) {
974		case 'v':
975		cp = addarg(cp, "-vh 45 -vv 45");
#	Line 737 | Line 983 | register char  *vs;
983		case 'h':
984		cp = addarg(cp, "-vh 180 -vv 180");
985		break;
986	+	case 'c':
987	+	cp = addarg(cp, "-vh 180 -vv 90");
988	+	break;
989		}
990	<	} else
991	<	while (*vs && !isspace(*vs))    /* else skip id */
992	<	vs++;
993	<	/* append any additional options */
994	<	while (isspace(*vs)) vs++;
990	>	} else {
991	>	while (!isspace(*vs))           /* else skip id */
992	>	if (!*vs++)
993	>	return(NULL);
994	>	if (upax) {                     /* specify up vector */
995	>	strcpy(cp, vup[upax+3]);
996	>	cp += strlen(cp);
997	>	}
998	>	}
999	>	if (cp == viewopts)             /* append any additional options */
1000	>	vs++;           /* skip prefixed space if unneeded */
1001		strcpy(cp, vs);
1002	+	#ifdef _WIN32
1003	+	if (strlen(viewopts) > 40) {
1004	+	setenv("VIEW", viewopts);
1005	+	return("$VIEW");
1006	+	}
1007	+	#endif
1008		return(viewopts);
1009		}
1010
#	Line 751 | Line 1012 | register char  *vs;
1012		char *
1013		getview(n, vn)                          /* get view n, or NULL if none */
1014		int     n;
1015	<	char    *vn;
1015	>	char    *vn;            /* returned view name */
1016		{
1017		register char   *mv;
1018
1019	<	if (viewselect != NULL) {
1019	>	if (viewselect != NULL) {               /* command-line selected */
1020		if (n)                          /* only do one */
1021		return(NULL);
1022		if (viewselect[0] == '-') {     /* already specified */
#	Line 768 | Line 1029 | char   *vn;
1029		;
1030		*vn = '\0';
1031		}
1032	+	/* view number? */
1033	+	if (isint(viewselect))
1034	+	return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1035		/* check list */
1036	<	while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1036	>	while ((mv = nvalue(VIEWS, n++)) != NULL)
1037		if (matchword(viewselect, mv))
1038		return(specview(mv));
1039		return(specview(viewselect));   /* standard view? */
1040		}
1041	<	if (vn != NULL && (mv = nvalue(vv+VIEW, n)) != NULL) {
1042	<	if (*mv != '-')
1043	<	while (*mv && !isspace(*mv))
1044	<	*vn++ = *mv++;
1041	>	mv = nvalue(VIEWS, n);          /* use view n */
1042	>	if (vn != NULL & mv != NULL) {
1043	>	register char   *mv2 = mv;
1044	>	if (*mv2 != '-')
1045	>	while (*mv2 && !isspace(*mv2))
1046	>	*vn++ = *mv2++;
1047		*vn = '\0';
1048		}
1049	<	return(specview(nvalue(vv+VIEW, n)));   /* use view n */
1049	>	return(specview(mv));
1050		}
1051
1052
1053	<	rview(opts)                             /* run rview with first view */
1054	<	char    *opts;
1053	>	int
1054	>	myprintview(vopts, fp)                  /* print out selected view */
1055	>	register char   *vopts;
1056	>	FILE    *fp;
1057		{
1058	<	char    combuf[512];
1058	>	VIEW    vwr;
1059	>	char    buf[128];
1060	>	register char   *cp;
1061	>	again:
1062	>	if (vopts == NULL)
1063	>	return(-1);
1064	>	#ifdef _WIN32
1065	>	if (vopts[0] == '$') {
1066	>	vopts = getenv(vopts+1);
1067	>	goto again;
1068	>	}
1069	>	#endif
1070	>	copystruct(&vwr, &stdview);
1071	>	sscanview(&vwr, cp=vopts);              /* set initial options */
1072	>	while ((cp = strstr(cp, "-vf ")) != NULL &&
1073	>	*atos(buf, sizeof(buf), cp += 4)) {
1074	>	viewfile(buf, &vwr, NULL);      /* load -vf file */
1075	>	sscanview(&vwr, cp);            /* reset tail */
1076	>	}
1077	>	fputs(VIEWSTR, fp);
1078	>	fprintview(&vwr, fp);                   /* print full spec. */
1079	>	fputc('\n', fp);
1080	>	return(0);
1081	>	}
1082	>
1083	>
1084	>	rview(opts, po)                         /* run rview with first view */
1085	>	char    *opts, *po;
1086	>	{
1087	>	char    *vw;
1088	>	char    combuf[PATH_MAX];
1089		/* build command */
1090	<	sprintf(combuf, "rview %s%s ", getview(0, NULL), opts);
1090	>	if (touchonly || (vw = getview(0, NULL)) == NULL)
1091	>	return;
1092	>	if (sayview)
1093	>	myprintview(vw, stdout);
1094	>	sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1095		if (rvdevice != NULL)
1096		sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1097	<	strcat(combuf, vval(OCTREE));
1098	<	if (!silent) {                  /* echo it */
1099	<	printf("\t%s\n", combuf);
1100	<	fflush(stdout);
799	<	}
800	<	if (noaction)
801	<	return;
802	<	if (system(combuf)) {           /* run it */
1097	>	if (vdef(EXPOSURE))
1098	>	sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1099	>	strcat(combuf, oct1name);
1100	>	if (runcom(combuf)) {           /* run it */
1101		fprintf(stderr, "%s: error running rview\n", progname);
1102	<	exit(1);
1102	>	quit(1);
1103		}
1104		}
1105
1106
1107	<	rpict(opts)                             /* run rpict and pfilt for each view */
1108	<	char    *opts;
1107	>	rpict(opts, po)                         /* run rpict and pfilt for each view */
1108	>	char    *opts, *po;
1109		{
1110	<	char    combuf[512];
1111	<	char    rawfile[MAXPATH], picfile[MAXPATH], rep[MAXPATH], res[32];
1112	<	char    pfopts[64];
1110	>	char    combuf[PATH_MAX];
1111	>	char    rawfile[PATH_MAX], picfile[PATH_MAX];
1112	>	char    zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1113	>	char    rppopt[128], *pfile = NULL;
1114	>	char    pfopts[128];
1115		char    vs[32], *vw;
1116		int     vn, mult;
1117	+	FILE    *fp;
1118	+	time_t  rfdt, pfdt;
1119		/* get pfilt options */
1120		pfiltopts(pfopts);
1121		/* get resolution, reporting */
1122	<	mult = vscale(QUALITY)+1;
1122	>	switch (vscale(QUALITY)) {
1123	>	case LOW:
1124	>	mult = 1;
1125	>	break;
1126	>	case MEDIUM:
1127	>	mult = 2;
1128	>	break;
1129	>	case HIGH:
1130	>	mult = 3;
1131	>	break;
1132	>	}
1133		{
1134		int     xres, yres;
1135		double  aspect;
#	Line 829 | Line 1141 | char   *opts;
1141		else if (n) {
1142		if (n == 1) yres = xres;
1143		sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1144	<	} else {
1145	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
834	<	progname, vnam(RESOLUTION));
835	<	exit(1);
836	<	}
1144	>	} else
1145	>	badvalue(RESOLUTION);
1146		}
1147		rep[0] = '\0';
1148		if (vdef(REPORT)) {
#	Line 844 | Line 1153 | char   *opts;
1153		sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1154		else if (n == 1)
1155		sprintf(rep, " -t %d", (int)(minutes*60));
1156	<	else {
1157	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
849	<	progname, vnam(REPORT));
850	<	exit(1);
851	<	}
1156	>	else
1157	>	badvalue(REPORT);
1158		}
1159	<	/* do each view */
1160	<	vn = 0;
1159	>	/* set up parallel rendering */
1160	>	if (nprocs > 1 & !vdef(ZFILE)) {
1161	>	strcpy(rppopt, "-S 1 -PP pfXXXXXX");
1162	>	pfile = rppopt+9;
1163	>	if (mktemp(pfile) == NULL)
1164	>	pfile = NULL;
1165	>	}
1166	>	vn = 0;                                 /* do each view */
1167		while ((vw = getview(vn++, vs)) != NULL) {
1168	+	if (sayview)
1169	+	myprintview(vw, stdout);
1170		if (!vs[0])
1171		sprintf(vs, "%d", vn);
1172		sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1173	+	if (vdef(ZFILE))
1174	+	sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1175	+	else
1176	+	zopt[0] = '\0';
1177		/* check date on picture */
1178	<	if (fdate(picfile) > octreedate)
1178	>	pfdt = fdate(picfile);
1179	>	if (pfdt >= oct1date)
1180		continue;
1181	+	/* get raw file name */
1182	+	sprintf(rawfile, "%s_%s.unf",
1183	+	vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1184	+	rfdt = fdate(rawfile);
1185	+	if (touchonly) {                /* update times only */
1186	+	if (rfdt) {
1187	+	if (rfdt < oct1date)
1188	+	touch(rawfile);
1189	+	} else if (pfdt && pfdt < oct1date)
1190	+	touch(picfile);
1191	+	continue;
1192	+	}
1193	+	if (next_process()) {           /* parallel running? */
1194	+	if (pfile != NULL)
1195	+	sleep(20);
1196	+	continue;
1197	+	}
1198	+	/* XXX Remember to call finish_process() */
1199		/* build rpict command */
1200	<	sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
1201	<	if (fdate(rawfile) > octreedate)        /* recover */
1202	<	sprintf(combuf, "rpict%s%s -ro %s %s",
1203	<	rep, opts, rawfile, vval(OCTREE));
1204	<	else {
1200	>	if (rfdt >= oct1date) {         /* recover */
1201	>	sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1202	>	rep, po, opts, zopt, rawfile, oct1name);
1203	>	if (runcom(combuf))     /* run rpict */
1204	>	goto rperror;
1205	>	} else {
1206		if (overture) {         /* run overture calculation */
1207		sprintf(combuf,
1208		"rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1209		rep, vw, opts,
1210	<	vval(OCTREE), rawfile);
1211	<	if (!silent) {
874	<	printf("\t%s\n", combuf);
875	<	fflush(stdout);
876	<	}
877	<	if (!noaction && system(combuf)) {
1210	>	oct1name, overfile);
1211	>	if (runcom(combuf)) {
1212		fprintf(stderr,
1213	<	"%s: error in overture for view %s\n\t%s removed\n",
1214	<	progname, vs, rawfile);
1215	<	unlink(rawfile);
882	<	exit(1);
1213	>	"%s: error in overture for view %s\n",
1214	>	progname, vs);
1215	>	quit(1);
1216		}
1217	+	#ifndef NULL_DEVICE
1218	+	rmfile(overfile);
1219	+	#endif
1220		}
1221	<	sprintf(combuf, "rpict%s %s %s%s %s > %s",
1222	<	rep, vw, res, opts,
1223	<	vval(OCTREE), rawfile);
1221	>	sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1222	>	rep, vw, res, po, opts,
1223	>	zopt, oct1name, rawfile);
1224	>	if (pfile != NULL && inchild()) {
1225	>	/* rpict persistent mode */
1226	>	if (!silent)
1227	>	printf("\t%s\n", combuf);
1228	>	sprintf(combuf, "rpict%s %s %s%s%s %s > %s",
1229	>	rep, rppopt, res, po, opts,
1230	>	oct1name, rawfile);
1231	>	fflush(stdout);
1232	>	fp = popen(combuf, "w");
1233	>	if (fp == NULL)
1234	>	goto rperror;
1235	>	myprintview(vw, fp);
1236	>	if (pclose(fp))
1237	>	goto rperror;
1238	>	} else {                /* rpict normal mode */
1239	>	if (runcom(combuf))
1240	>	goto rperror;
1241	>	}
1242		}
1243	<	if (!silent) {                  /* echo rpict command */
890	<	printf("\t%s\n", combuf);
891	<	fflush(stdout);
892	<	}
893	<	if (!noaction && system(combuf)) {      /* run rpict */
894	<	fprintf(stderr, "%s: error rendering view %s\n",
895	<	progname, vs);
896	<	exit(1);
897	<	}
1243	>	if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1244		/* build pfilt command */
1245	<	if (mult > 1)
1246	<	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1245	>	if (mult > 1)
1246	>	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1247		pfopts, mult, mult, rawfile, picfile);
1248	<	else
1249	<	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1250	<	rawfile, picfile);
1251	<	if (!silent) {                  /* echo pfilt command */
1252	<	printf("\t%s\n", combuf);
1253	<	fflush(stdout);
1248	>	else
1249	>	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1250	>	rawfile, picfile);
1251	>	if (runcom(combuf)) {   /* run pfilt */
1252	>	fprintf(stderr,
1253	>	"%s: error filtering view %s\n\t%s removed\n",
1254	>	progname, vs, picfile);
1255	>	unlink(picfile);
1256	>	quit(1);
1257	>	}
1258		}
1259	<	if (!noaction && system(combuf)) {      /* run pfilt */
1260	<	fprintf(stderr,
1261	<	"%s: error filtering view %s\n\t%s removed\n",
1262	<	progname, vs, picfile);
1263	<	unlink(picfile);
1264	<	exit(1);
1259	>	/* remove/rename raw file */
1260	>	if (vdef(RAWFILE)) {
1261	>	sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1262	>	mvfile(rawfile, combuf);
1263	>	} else
1264	>	rmfile(rawfile);
1265	>	finish_process();               /* leave if child */
1266	>	}
1267	>	wait_process(1);                /* wait for children to finish */
1268	>	if (pfile != NULL) {            /* clean up rpict persistent mode */
1269	>	int     pid;
1270	>	fp = fopen(pfile, "r");
1271	>	if (fp != NULL) {
1272	>	if (fscanf(fp, "%*s %d", &pid) != 1 ||
1273	>	kill(pid, 1) == -1)
1274	>	unlink(pfile);
1275	>	fclose(fp);
1276		}
1277	<	/* remove raw file */
1278	<	if (!silent)
1279	<	#ifdef MSDOS
1280	<	printf("\tdel %s\n", rawfile);
1281	<	#else
1282	<	printf("\trm %s\n", rawfile);
1277	>	}
1278	>	return;
1279	>	rperror:
1280	>	fprintf(stderr, "%s: error rendering view %s\n", progname, vs);
1281	>	quit(1);
1282	>	}
1283	>
1284	>
1285	>	touch(fn)                       /* update a file */
1286	>	char    *fn;
1287	>	{
1288	>	if (!silent)
1289	>	printf("\ttouch %s\n", fn);
1290	>	if (!nprocs)
1291	>	return(0);
1292	>	#ifdef notused
1293	>	if (access(fn, F_OK) == -1)             /* create it */
1294	>	if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1295	>	return(-1);
1296		#endif
1297	<	if (!noaction)
1298	<	unlink(rawfile);
1297	>	return(setfdate(fn, time((time_t *)NULL)));
1298	>	}
1299	>
1300	>
1301	>	runcom(cs)                      /* run command */
1302	>	char    *cs;
1303	>	{
1304	>	if (!silent)            /* echo it */
1305	>	printf("\t%s\n", cs);
1306	>	if (!nprocs)
1307	>	return(0);
1308	>	fflush(stdout);         /* flush output and pass to shell */
1309	>	return(system(cs));
1310	>	}
1311	>
1312	>
1313	>	rmfile(fn)                      /* remove a file */
1314	>	char    *fn;
1315	>	{
1316	>	if (!silent)
1317	>	printf("\t%s %s\n", DELCMD, fn);
1318	>	if (!nprocs)
1319	>	return(0);
1320	>	return(unlink(fn));
1321	>	}
1322	>
1323	>
1324	>	mvfile(fold, fnew)              /* move a file */
1325	>	char    *fold, *fnew;
1326	>	{
1327	>	if (!silent)
1328	>	printf("\t%s %s %s\n", RENAMECMD, fold, fnew);
1329	>	if (!nprocs)
1330	>	return(0);
1331	>	return(rename(fold, fnew));
1332	>	}
1333	>
1334	>
1335	>	#ifdef RHAS_FORK_EXEC
1336	>	int
1337	>	next_process()                  /* fork the next process (max. nprocs) */
1338	>	{
1339	>	int     child_pid;
1340	>
1341	>	if (nprocs <= 1)
1342	>	return(0);              /* it's us or no one */
1343	>	if (inchild()) {
1344	>	fprintf(stderr, "%s: internal error 1 in spawn_process()\n",
1345	>	progname);
1346	>	quit(1);
1347		}
1348	+	if (children_running >= nprocs)
1349	+	wait_process(0);        /* wait for someone to finish */
1350	+	fflush(stdout);
1351	+	child_pid = fork();             /* split process */
1352	+	if (child_pid == 0) {           /* we're the child */
1353	+	children_running = -1;
1354	+	return(0);
1355	+	}
1356	+	if (child_pid > 0) {            /* we're the parent */
1357	+	++children_running;
1358	+	return(1);
1359	+	}
1360	+	fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1361	+	return(0);
1362	+	}
1363	+
1364	+	wait_process(all)                       /* wait for process(es) to finish */
1365	+	int     all;
1366	+	{
1367	+	int     ourstatus = 0;
1368	+	int     pid, status;
1369	+
1370	+	if (all)
1371	+	all = children_running;
1372	+	else if (children_running > 0)
1373	+	all = 1;
1374	+	while (all-- > 0) {
1375	+	pid = wait(&status);
1376	+	if (pid < 0)
1377	+	syserr(progname);
1378	+	status = status>>8 & 0xff;
1379	+	--children_running;
1380	+	if (status != 0) {      /* child's problem is our problem */
1381	+	if (ourstatus == 0 & children_running > 0)
1382	+	fprintf(stderr, "%s: waiting for remaining processes\n",
1383	+	progname);
1384	+	ourstatus = status;
1385	+	all = children_running;
1386	+	}
1387	+	}
1388	+	if (ourstatus != 0)
1389	+	quit(ourstatus);        /* bad status from child */
1390	+	}
1391	+	#else   /* ! RHAS_FORK_EXEC */
1392	+	int
1393	+	next_process()
1394	+	{
1395	+	return(0);                      /* cannot start new process */
1396	+	}
1397	+	wait_process(all)
1398	+	int     all;
1399	+	{
1400	+	(void)all;                      /* no one to wait for */
1401	+	}
1402	+	int
1403	+	kill(pid, sig) /* win|unix_process.c should also wait and kill */
1404	+	int pid, sig;
1405	+	{
1406	+	return 0;
1407	+	}
1408	+	#endif  /* ! RHAS_FORK_EXEC */
1409	+
1410	+	finish_process()                        /* exit a child process */
1411	+	{
1412	+	if (!inchild())
1413	+	return;                 /* in parent -- noop */
1414	+	exit(0);
1415	+	}
1416	+
1417	+	#ifdef _WIN32
1418	+	setenv(vname, value)            /* set an environment variable */
1419	+	char    *vname, *value;
1420	+	{
1421	+	register char   *evp;
1422	+
1423	+	evp = bmalloc(strlen(vname)+strlen(value)+2);
1424	+	if (evp == NULL)
1425	+	syserr(progname);
1426	+	sprintf(evp, "%s=%s", vname, value);
1427	+	if (putenv(evp) != 0) {
1428	+	fprintf(stderr, "%s: out of environment space\n", progname);
1429	+	quit(1);
1430	+	}
1431	+	if (!silent)
1432	+	printf("set %s\n", evp);
1433	+	}
1434	+	#endif
1435	+
1436	+
1437	+	badvalue(vc)                    /* report bad variable value and exit */
1438	+	int     vc;
1439	+	{
1440	+	fprintf(stderr, "%s: bad value for variable '%s'\n",
1441	+	progname, vnam(vc));
1442	+	quit(1);
1443	+	}
1444	+
1445	+
1446	+	syserr(s)                       /* report a system error and exit */
1447	+	char    *s;
1448	+	{
1449	+	perror(s);
1450	+	quit(1);
1451	+	}
1452	+
1453	+
1454	+	void
1455	+	quit(ec)                        /* exit program */
1456	+	int     ec;
1457	+	{
1458	+	exit(ec);
1459		}

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