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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 2.66 by greg, Thu Jul 3 15:00:19 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
12	+	#include "platform.h"
13	+	#include "view.h"
14	+	#include "paths.h"
15	+	#include "vars.h"
16
17	<	typedef struct {
18	<	char    *name;          /* variable name */
19	<	short   nick;           /* # characters required for nickname */
20	<	short   nass;           /* # assignments made */
21	<	char    *value;         /* assigned value(s) */
22	<	int     (*fixval)();    /* assignment checking function */
23	<	} VARIABLE;
24	<
25	<	int     onevalue(), catvalues();
26	<
27	<	/* variables */
28	<	#define OBJECT          0               /* object files */
29	<	#define SCENE           1               /* scene files */
30	<	#define MATERIAL        2               /* material files */
31	<	#define RENDER          3               /* rendering options */
32	<	#define OCONV           4               /* oconv options */
33	<	#define PFILT           5               /* pfilt options */
34	<	#define VIEW            6               /* view(s) for picture(s) */
35	<	#define ZONE            7               /* simulation zone */
36	<	#define QUALITY         8               /* desired rendering quality */
37	<	#define OCTREE          9               /* octree file name */
38	<	#define PICTURE         10              /* picture file name */
39	<	#define AMBFILE         11              /* ambient file name */
40	<	#define OPTFILE         12              /* rendering options file */
41	<	#define EXPOSURE        13              /* picture exposure setting */
42	<	#define RESOLUTION      14              /* maximum picture resolution */
43	<	#define UP              15              /* view up (X, Y or Z) */
43	<	#define INDIRECT        16              /* indirection in lighting */
44	<	#define DETAIL          17              /* level of scene detail */
45	<	#define PENUMBRAS       18              /* shadow penumbras are desired */
46	<	#define VARIABILITY     19              /* level of light variability */
47	<	#define REPORT          20              /* report frequency and errfile */
17	>	/* variables (alphabetical by name) */
18	>	#define AMBFILE         0               /* ambient file name */
19	>	#define DETAIL          1               /* level of scene detail */
20	>	#define EXPOSURE        2               /* picture exposure setting */
21	>	#define EYESEP          3               /* interocular distance */
22	>	#define ILLUM           4               /* mkillum input files */
23	>	#define INDIRECT        5               /* indirection in lighting */
24	>	#define MATERIAL        6               /* material files */
25	>	#define MKILLUM         7               /* mkillum options */
26	>	#define OBJECT          8               /* object files */
27	>	#define OCONV           9               /* oconv options */
28	>	#define OCTREE          10              /* octree file name */
29	>	#define OPTFILE         11              /* rendering options file */
30	>	#define PENUMBRAS       12              /* shadow penumbras are desired */
31	>	#define PFILT           13              /* pfilt options */
32	>	#define PICTURE         14              /* picture file root name */
33	>	#define QUALITY         15              /* desired rendering quality */
34	>	#define RAWFILE         16              /* raw picture file root name */
35	>	#define RENDER          17              /* rendering options */
36	>	#define REPORT          18              /* report frequency and errfile */
37	>	#define RESOLUTION      19              /* maximum picture resolution */
38	>	#define SCENE           20              /* scene files */
39	>	#define UP              21              /* view up (X, Y or Z) */
40	>	#define VARIABILITY     22              /* level of light variability */
41	>	#define VIEWS           23              /* view(s) for picture(s) */
42	>	#define ZFILE           24              /* distance file root name */
43	>	#define ZONE            25              /* simulation zone */
44		/* total number of variables */
45	<	#define NVARS           21
45	>	int NVARS = 26;
46
47	<	VARIABLE        vv[NVARS] = {           /* variable-value pairs */
48	<	{"objects",     3,      0,      NULL,   catvalues},
49	<	{"scene",       3,      0,      NULL,   catvalues},
47	>	VARIABLE        vv[] = {                /* variable-value pairs */
48	>	{"AMBFILE",     3,      0,      NULL,   onevalue},
49	>	{"DETAIL",      3,      0,      NULL,   qualvalue},
50	>	{"EXPOSURE",    3,      0,      NULL,   fltvalue},
51	>	{"EYESEP",      3,      0,      NULL,   fltvalue},
52	>	{"illum",       3,      0,      NULL,   catvalues},
53	>	{"INDIRECT",    3,      0,      NULL,   intvalue},
54		{"materials",   3,      0,      NULL,   catvalues},
55	<	{"render",      3,      0,      NULL,   catvalues},
55	>	{"mkillum",     3,      0,      NULL,   catvalues},
56	>	{"objects",     3,      0,      NULL,   catvalues},
57		{"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},
58		{"OCTREE",      3,      0,      NULL,   onevalue},
62	–	{"PICTURE",     3,      0,      NULL,   onevalue},
63	–	{"AMBFILE",     3,      0,      NULL,   onevalue},
59		{"OPTFILE",     3,      0,      NULL,   onevalue},
60	<	{"EXPOSURE",    3,      0,      NULL,   onevalue},
60	>	{"PENUMBRAS",   3,      0,      NULL,   boolvalue},
61	>	{"pfilt",       2,      0,      NULL,   catvalues},
62	>	{"PICTURE",     3,      0,      NULL,   onevalue},
63	>	{"QUALITY",     3,      0,      NULL,   qualvalue},
64	>	{"RAWFILE",     3,      0,      NULL,   onevalue},
65	>	{"render",      3,      0,      NULL,   catvalues},
66	>	{"REPORT",      3,      0,      NULL,   onevalue},
67		{"RESOLUTION",  3,      0,      NULL,   onevalue},
68	+	{"scene",       3,      0,      NULL,   catvalues},
69		{"UP",          2,      0,      NULL,   onevalue},
70	<	{"INDIRECT",    3,      0,      NULL,   onevalue},
71	<	{"DETAIL",      3,      0,      NULL,   onevalue},
72	<	{"PENUMBRAS",   3,      0,      NULL,   onevalue},
73	<	{"VARIABILITY", 3,      0,      NULL,   onevalue},
72	<	{"REPORT",      3,      0,      NULL,   onevalue},
70	>	{"VARIABILITY", 3,      0,      NULL,   qualvalue},
71	>	{"view",        2,      0,      NULL,   NULL},
72	>	{"ZFILE",       2,      0,      NULL,   onevalue},
73	>	{"ZONE",        2,      0,      NULL,   onevalue},
74		};
75
76	<	VARIABLE        *matchvar();
77	<	char    *nvalue();
78	<	int     vscale();
76	>	/* overture calculation file */
77	>	#ifdef NULL_DEVICE
78	>	char    overfile[] = NULL_DEVICE;
79	>	#else
80	>	char    overfile[] = "overture.unf";
81	>	#endif
82
83	<	#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')
83	>	extern time_t   time();
84
85	<	#define HIGH            2
86	<	#define MEDIUM          1
87	<	#define LOW             0
85	>	time_t  scenedate;              /* date of latest scene or object file */
86	>	time_t  octreedate;             /* date of octree */
87	>	time_t  matdate;                /* date of latest material file */
88	>	time_t  illumdate;              /* date of last illum file */
89
90	<	int     lowqopts(), medqopts(), hiqopts();
91	<	int     (*setqopts[3])() = {lowqopts, medqopts, hiqopts};
90	>	char    *oct0name;              /* name of pre-mkillum octree */
91	>	time_t  oct0date;               /* date of pre-mkillum octree */
92	>	char    *oct1name;              /* name of post-mkillum octree */
93	>	time_t  oct1date;               /* date of post-mkillum octree (>= matdate) */
94
95	<	#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	<
95	>	int     nowarn = 0;             /* no warnings */
96		int     explicate = 0;          /* explicate variables */
97		int     silent = 0;             /* do work silently */
98	<	int     noaction = 0;           /* don't do anything */
98	>	int     touchonly = 0;          /* touch files only */
99	>	int     nprocs = 1;             /* maximum executing processes */
100	>	int     sayview = 0;            /* print view out */
101		char    *rvdevice = NULL;       /* rview output device */
102		char    *viewselect = NULL;     /* specific view only */
103
104		int     overture = 0;           /* overture calculation needed */
105
106	+	int     children_running = 0;   /* set negative in children */
107	+
108		char    *progname;              /* global argv[0] */
109	+	char    *rifname;               /* global rad input file name */
110
111	<	char    radname[MAXPATH];       /* root Radiance file name */
111	>	char    radname[PATH_MAX];      /* root Radiance file name */
112
113
114		main(argc, argv)
#	Line 115 | Line 116 | int    argc;
116		char    *argv[];
117		{
118		char    ropts[512];
119	+	char    popts[64];
120		int     i;
121
122		progname = argv[0];
#	Line 125 | Line 127 | char   *argv[];
127		silent++;
128		break;
129		case 'n':
130	<	noaction++;
130	>	nprocs = 0;
131		break;
132	+	case 'N':
133	+	nprocs = atoi(argv[++i]);
134	+	if (nprocs < 0)
135	+	nprocs = 0;
136	+	break;
137	+	case 't':
138	+	touchonly++;
139	+	break;
140		case 'e':
141		explicate++;
142		break;
143		case 'o':
144		rvdevice = argv[++i];
145		break;
146	+	case 'V':
147	+	sayview++;
148	+	break;
149		case 'v':
150		viewselect = argv[++i];
151		break;
152	+	case 'w':
153	+	nowarn++;
154	+	break;
155		default:
156		goto userr;
157		}
158		if (i >= argc)
159		goto userr;
160	+	rifname = argv[i];
161		/* assign Radiance root file name */
162	<	rootname(radname, argv[i]);
162	>	rootname(radname, rifname);
163		/* load variable values */
164	<	load(argv[i]);
164	>	loadvars(rifname);
165		/* get any additional assignments */
166		for (i++; i < argc; i++)
167	<	setvariable(argv[i]);
167	>	if (setvariable(argv[i], matchvar) < 0) {
168	>	fprintf(stderr, "%s: unknown variable: %s\n",
169	>	progname, argv[i]);
170	>	quit(1);
171	>	}
172		/* check assignments */
173		checkvalues();
174		/* check files and dates */
#	Line 156 | Line 177 | char   *argv[];
177		setdefaults();
178		/* print all values if requested */
179		if (explicate)
180	<	printvals();
181	<	/* run simulation */
180	>	printvars(stdout);
181	>	/* build octree (and run mkillum) */
182		oconv();
183	<	renderopts(ropts);
183	>	/* check date on ambient file */
184	>	checkambfile();
185	>	/* run simulation */
186	>	renderopts(ropts, popts);
187		xferopts(ropts);
188		if (rvdevice != NULL)
189	<	rview(ropts);
189	>	rview(ropts, popts);
190		else
191	<	rpict(ropts);
192	<	exit(0);
191	>	rpict(ropts, popts);
192	>	quit(0);
193		userr:
194		fprintf(stderr,
195	<	"Usage: %s [-s][-n][-v view][-o dev] rfile [VAR=value ..]\n",
195	>	"Usage: %s [-w][-s][-n|-N npr][-t][-e][-V][-v view][-o dev] rfile [VAR=value ..]\n",
196		progname);
197	<	exit(1);
197	>	quit(1);
198		}
199
200
#	Line 189 | Line 213 | register char  *rn, *fn;
213		}
214
215
216	<	load(rfname)                    /* load Radiance simulation file */
217	<	char    *rfname;
216	>	time_t
217	>	checklast(fnames)                       /* check files and find most recent */
218	>	register char   *fnames;
219		{
220	<	FILE    *fp;
221	<	char    buf[256];
197	<	register char   *cp;
220	>	char    thisfile[PATH_MAX];
221	>	time_t  thisdate, lastdate = 0;
222
223	<	if (rfname == NULL)
224	<	fp = stdin;
225	<	else if ((fp = fopen(rfname, "r")) == NULL) {
226	<	perror(rfname);
227	<	exit(1);
223	>	if (fnames == NULL)
224	>	return(0);
225	>	while ((fnames = nextword(thisfile, PATH_MAX, fnames)) != NULL) {
226	>	if (thisfile[0] == '!' ||
227	>	(thisfile[0] == '\\' && thisfile[1] == '!'))
228	>	continue;
229	>	if (!(thisdate = fdate(thisfile)))
230	>	syserr(thisfile);
231	>	if (thisdate > lastdate)
232	>	lastdate = thisdate;
233		}
234	<	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);
234	>	return(lastdate);
235		}
236
237
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	–
238		char *
239	<	nvalue(vp, n)                   /* return nth variable value */
240	<	VARIABLE        *vp;
241	<	register int    n;
239	>	newfname(orig, pred)            /* create modified file name */
240	>	char    *orig;
241	>	int     pred;
242		{
243		register char   *cp;
244	+	register int    n;
245	+	int     suffix;
246
247	<	if (vp == NULL || n < 0 || n >= vp->nass)
248	<	return(NULL);
249	<	cp = vp->value;
250	<	while (n--)
251	<	while (*cp++)
252	<	;
247	>	n = 0; cp = orig; suffix = -1;          /* suffix position, length */
248	>	while (*cp) {
249	>	if (*cp == '.') suffix = n;
250	>	else if (ISDIRSEP(*cp)) suffix = -1;
251	>	cp++; n++;
252	>	}
253	>	if (suffix == -1) suffix = n;
254	>	if ((cp = bmalloc(n+2)) == NULL)
255	>	syserr(progname);
256	>	strncpy(cp, orig, suffix);
257	>	cp[suffix] = pred;                      /* root name + pred + suffix */
258	>	strcpy(cp+suffix+1, orig+suffix);
259		return(cp);
260		}
261
262
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	–
263		checkfiles()                    /* check for existence and modified times */
264		{
265	<	long    objdate;
265	>	time_t  objdate;
266
267	<	octreedate = vdef(OCTREE) ? fdate(vval(OCTREE)) : -1;
268	<	scenedate = -1;
269	<	if (vdef(SCENE)) {
270	<	scenedate = checklast(vval(SCENE));
271	<	if (vdef(OBJECT)) {
272	<	objdate = checklast(vval(OBJECT));
273	<	if (objdate > scenedate)
274	<	scenedate = objdate;
275	<	}
267	>	if (!vdef(OCTREE)) {
268	>	if ((vval(OCTREE) = bmalloc(strlen(radname)+5)) == NULL)
269	>	syserr(progname);
270	>	sprintf(vval(OCTREE), "%s.oct", radname);
271	>	vdef(OCTREE)++;
272	>	} else if (vval(OCTREE)[0] == '!') {
273	>	fprintf(stderr, "%s: illegal '%s' specification\n",
274	>	progname, vnam(OCTREE));
275	>	quit(1);
276		}
277	<	if (octreedate < 0 & scenedate < 0) {
278	<	fprintf(stderr, "%s: need scene or octree\n", progname);
279	<	exit(1);
277	>	octreedate = fdate(vval(OCTREE));
278	>	if (vdef(ILLUM)) {              /* illum requires secondary octrees */
279	>	oct0name = newfname(vval(OCTREE), '0');
280	>	oct1name = newfname(vval(OCTREE), '1');
281	>	oct0date = fdate(oct0name);
282	>	oct1date = fdate(oct1name);
283	>	} else
284	>	oct0name = oct1name = vval(OCTREE);
285	>	if ((scenedate = checklast(vval(SCENE))) &&
286	>	(objdate = checklast(vval(OBJECT))) > scenedate)
287	>	scenedate = objdate;
288	>	illumdate = checklast(vval(ILLUM));
289	>	if (!octreedate & !scenedate & !illumdate) {
290	>	fprintf(stderr, "%s: need '%s' or '%s' or '%s'\n", progname,
291	>	vnam(OCTREE), vnam(SCENE), vnam(ILLUM));
292	>	quit(1);
293		}
294	+	matdate = checklast(vval(MATERIAL));
295		}
296
297
298	<	setdefaults()                   /* set default values for unassigned var's */
298	>	getoctcube(org, sizp)           /* get octree bounding cube */
299	>	double  org[3], *sizp;
300		{
301	+	extern FILE     *popen();
302	+	static double   oorg[3], osiz = 0.;
303	+	double  min[3], max[3];
304	+	char    buf[1024];
305		FILE    *fp;
306	<	double  xmin, ymin, zmin, size;
413	<	char    buf[512];
414	<	char    *cp;
306	>	register int    i;
307
308	<	if (!vdef(OCTREE)) {
309	<	sprintf(buf, "%s.oct", radname);
310	<	vval(OCTREE) = savqstr(buf);
311	<	vdef(OCTREE)++;
312	<	}
313	<	if (!vdef(ZONE)) {
314	<	if (scenedate > octreedate) {
315	<	sprintf(buf, "getbbox -w -h %s", vval(SCENE));
316	<	if (!silent) {
317	<	printf("\t%s\n", buf);
318	<	fflush(stdout);
308	>	if (osiz <= FTINY)
309	>	if (!nprocs && fdate(oct1name) <
310	>	(scenedate>illumdate?scenedate:illumdate)) {
311	>	/* run getbbox */
312	>	sprintf(buf, "getbbox -w -h %s",
313	>	vdef(SCENE) ? vval(SCENE) : vval(ILLUM));
314	>	if ((fp = popen(buf, "r")) == NULL)
315	>	syserr("getbbox");
316	>	if (fscanf(fp, "%lf %lf %lf %lf %lf %lf",
317	>	&min[0], &max[0], &min[1], &max[1],
318	>	&min[2], &max[2]) != 6) {
319	>	fprintf(stderr,
320	>	"%s: error reading bounding box from getbbox\n",
321	>	progname);
322	>	quit(1);
323		}
324	<	if ((fp = popen(buf, "r")) == NULL) {
325	<	perror("getbbox");
326	<	exit(1);
327	<	}
328	<	buf[0] = 'E'; buf[1] = ' ';
433	<	fgetline(buf+2, sizeof(buf)-2, fp);
324	>	for (i = 0; i < 3; i++)
325	>	if (max[i] - min[i] > osiz)
326	>	osiz = max[i] - min[i];
327	>	for (i = 0; i < 3; i++)
328	>	oorg[i] = (max[i]+min[i]-osiz)*.5;
329		pclose(fp);
330	<	} else {
331	<	sprintf(buf, "getinfo -d < %s", vval(OCTREE));
332	<	if ((fp = popen(buf, "r")) == NULL) {
333	<	perror("getinfo");
334	<	exit(1);
330	>	} else {                                /* from octree */
331	>	oconv();        /* does nothing if done already */
332	>	sprintf(buf, "getinfo -d < %s", oct1name);
333	>	if ((fp = popen(buf, "r")) == NULL)
334	>	syserr("getinfo");
335	>	if (fscanf(fp, "%lf %lf %lf %lf", &oorg[0], &oorg[1],
336	>	&oorg[2], &osiz) != 4) {
337	>	fprintf(stderr,
338	>	"%s: error reading bounding cube from getinfo\n",
339	>	progname);
340	>	quit(1);
341		}
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);
342		pclose(fp);
343		}
344	+	org[0] = oorg[0]; org[1] = oorg[1]; org[2] = oorg[2]; *sizp = osiz;
345	+	}
346	+
347	+
348	+	setdefaults()                   /* set default values for unassigned var's */
349	+	{
350	+	double  org[3], lim[3], size;
351	+	char    buf[128];
352	+
353	+	if (!vdef(ZONE)) {
354	+	getoctcube(org, &size);
355	+	sprintf(buf, "E %g %g %g %g %g %g", org[0], org[0]+size,
356	+	org[1], org[1]+size, org[2], org[2]+size);
357		vval(ZONE) = savqstr(buf);
358		vdef(ZONE)++;
359		}
360	<	if (!vdef(UP)) {
361	<	vval(UP) = "Z";
362	<	vdef(UP)++;
360	>	if (!vdef(EYESEP)) {
361	>	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
362	>	&org[0], &lim[0], &org[1], &lim[1],
363	>	&org[2], &lim[2]) != 6)
364	>	badvalue(ZONE);
365	>	sprintf(buf, "%f",
366	>	0.01*(lim[0]-org[0]+lim[1]-org[1]+lim[2]-org[2]));
367	>	vval(EYESEP) = savqstr(buf);
368	>	vdef(EYESEP)++;
369		}
370		if (!vdef(INDIRECT)) {
371		vval(INDIRECT) = "0";
#	Line 467 | Line 383 | setdefaults()                  /* set default values for unassigned v
383		vval(PICTURE) = radname;
384		vdef(PICTURE)++;
385		}
386	<	if (!vdef(AMBFILE)) {
387	<	sprintf(buf, "%s.amb", radname);
388	<	vval(AMBFILE) = savqstr(buf);
473	<	vdef(AMBFILE)++;
386	>	if (!vdef(VIEWS)) {
387	>	vval(VIEWS) = "X";
388	>	vdef(VIEWS)++;
389		}
475	–	if (!vdef(VIEW)) {
476	–	vval(VIEW) = "X";
477	–	vdef(VIEW)++;
478	–	}
390		if (!vdef(DETAIL)) {
391		vval(DETAIL) = "M";
392		vdef(DETAIL)++;
#	Line 491 | Line 402 | setdefaults()                  /* set default values for unassigned v
402		}
403
404
405	<	printvals()                     /* print variable values */
405	>	oconv()                         /* run oconv and mkillum if necessary */
406		{
407	<	register int    i, j;
407	>	static char     illumtmp[] = "ilXXXXXX";
408	>	char    combuf[PATH_MAX], ocopts[64], mkopts[64];
409
410	<	for (i = 0; i < NVARS; i++)
411	<	for (j = 0; j < vv[i].nass; j++)
412	<	printf("%s= %s\n", vv[i].name, nvalue(vv+i, j));
413	<	fflush(stdout);
414	<	}
415	<
416	<
417	<	oconv()                         /* run oconv if necessary */
418	<	{
419	<	char    combuf[512], ocopts[64];
420	<
421	<	if (octreedate > scenedate)     /* check dates */
422	<	return;
423	<	/* build command */
424	<	oconvopts(ocopts);
425	<	sprintf(combuf, "oconv%s %s > %s", ocopts, vval(SCENE), vval(OCTREE));
426	<	if (!silent) {                  /* echo it */
427	<	printf("\t%s\n", combuf);
428	<	fflush(stdout);
410	>	oconvopts(ocopts);              /* get options */
411	>	if (octreedate < scenedate) {   /* check date on original octree */
412	>	if (touchonly && octreedate)
413	>	touch(vval(OCTREE));
414	>	else {                          /* build command */
415	>	if (vdef(MATERIAL))
416	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
417	>	vval(MATERIAL), vval(SCENE),
418	>	vval(OCTREE));
419	>	else
420	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
421	>	vval(SCENE), vval(OCTREE));
422	>
423	>	if (runcom(combuf)) {           /* run it */
424	>	fprintf(stderr,
425	>	"%s: error generating octree\n\t%s removed\n",
426	>	progname, vval(OCTREE));
427	>	unlink(vval(OCTREE));
428	>	quit(1);
429	>	}
430	>	}
431	>	octreedate = time((time_t *)NULL);
432	>	if (octreedate < scenedate)     /* in case clock is off */
433	>	octreedate = scenedate;
434		}
435	<	if (noaction)
435	>	if (oct1name == vval(OCTREE))           /* no mkillum? */
436	>	oct1date = octreedate > matdate ? octreedate : matdate;
437	>	if (oct1date >= octreedate & oct1date >= matdate
438	>	& oct1date >= illumdate)        /* all done */
439		return;
440	<	if (system(combuf)) {           /* run it */
441	<	fprintf(stderr, "%s: error generating octree\n\t%s removed\n",
442	<	progname, vval(OCTREE));
443	<	unlink(vval(OCTREE));
444	<	exit(1);
440	>	/* make octree0 */
441	>	if (oct0date < scenedate | oct0date < illumdate) {
442	>	if (touchonly && oct0date)
443	>	touch(oct0name);
444	>	else {                          /* build command */
445	>	if (octreedate)
446	>	sprintf(combuf, "oconv%s -i %s %s > %s", ocopts,
447	>	vval(OCTREE), vval(ILLUM), oct0name);
448	>	else if (vdef(MATERIAL))
449	>	sprintf(combuf, "oconv%s %s %s > %s", ocopts,
450	>	vval(MATERIAL), vval(ILLUM), oct0name);
451	>	else
452	>	sprintf(combuf, "oconv%s %s > %s", ocopts,
453	>	vval(ILLUM), oct0name);
454	>	if (runcom(combuf)) {           /* run it */
455	>	fprintf(stderr,
456	>	"%s: error generating octree\n\t%s removed\n",
457	>	progname, oct0name);
458	>	unlink(oct0name);
459	>	quit(1);
460	>	}
461	>	}
462	>	oct0date = time((time_t *)NULL);
463	>	if (oct0date < octreedate)      /* in case clock is off */
464	>	oct0date = octreedate;
465	>	if (oct0date < illumdate)       /* ditto */
466	>	oct0date = illumdate;
467	>	}
468	>	if (touchonly && oct1date)
469	>	touch(oct1name);
470	>	else {
471	>	mkillumopts(mkopts);            /* build mkillum command */
472	>	mktemp(illumtmp);
473	>	sprintf(combuf, "mkillum%s %s \"<\" %s > %s", mkopts,
474	>	oct0name, vval(ILLUM), illumtmp);
475	>	if (runcom(combuf)) {                   /* run it */
476	>	fprintf(stderr, "%s: error running mkillum\n",
477	>	progname);
478	>	unlink(illumtmp);
479	>	quit(1);
480	>	}
481	>	/* make octree1 (frozen) */
482	>	if (octreedate)
483	>	sprintf(combuf, "oconv%s -f -i %s %s > %s", ocopts,
484	>	vval(OCTREE), illumtmp, oct1name);
485	>	else if (vdef(MATERIAL))
486	>	sprintf(combuf, "oconv%s -f %s %s > %s", ocopts,
487	>	vval(MATERIAL), illumtmp, oct1name);
488	>	else
489	>	sprintf(combuf, "oconv%s -f %s > %s", ocopts,
490	>	illumtmp, oct1name);
491	>	if (runcom(combuf)) {           /* run it */
492	>	fprintf(stderr,
493	>	"%s: error generating octree\n\t%s removed\n",
494	>	progname, oct1name);
495	>	unlink(oct1name);
496	>	unlink(illumtmp);
497	>	quit(1);
498	>	}
499	>	rmfile(illumtmp);
500		}
501	+	oct1date = time((time_t *)NULL);
502	+	if (oct1date < oct0date)        /* in case clock is off */
503	+	oct1date = oct0date;
504		}
505
506
#	Line 538 | Line 516 | register char  *op, *arg;
516
517
518		oconvopts(oo)                           /* get oconv options */
519	<	char    *oo;
519	>	register char   *oo;
520		{
521	+	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
522	+
523		*oo = '\0';
524		if (vdef(OCONV))
525		addarg(oo, vval(OCONV));
526		}
527
528
529	<	lowqopts(ro)                            /* low quality rendering options */
530	<	char    *ro;
529	>	mkillumopts(mo)                         /* get mkillum options */
530	>	register char   *mo;
531		{
532	<	register char   *op = ro;
532	>	/* BEWARE:  This may be called via setdefaults(), so no assumptions */
533
534	+	*mo = '\0';
535	+	if (vdef(MKILLUM))
536	+	addarg(mo, vval(MKILLUM));
537	+	}
538	+
539	+
540	+	checkambfile()                  /* check date on ambient file */
541	+	{
542	+	time_t  afdate;
543	+
544	+	if (!vdef(AMBFILE))
545	+	return;
546	+	if (!(afdate = fdate(vval(AMBFILE))))
547	+	return;
548	+	if (oct1date > afdate)
549	+	if (touchonly)
550	+	touch(vval(AMBFILE));
551	+	else
552	+	rmfile(vval(AMBFILE));
553	+	}
554	+
555	+
556	+	double
557	+	ambval()                                /* compute ambient value */
558	+	{
559	+	if (vdef(EXPOSURE)) {
560	+	if (vval(EXPOSURE)[0] == '+' || vval(EXPOSURE)[0] == '-')
561	+	return(.5/pow(2.,vflt(EXPOSURE)));
562	+	return(.5/vflt(EXPOSURE));
563	+	}
564	+	if (vlet(ZONE) == 'E')
565	+	return(10.);
566	+	if (vlet(ZONE) == 'I')
567	+	return(.01);
568	+	badvalue(ZONE);
569	+	}
570	+
571	+
572	+	renderopts(op, po)                      /* set rendering options */
573	+	char    *op, *po;
574	+	{
575	+	switch(vscale(QUALITY)) {
576	+	case LOW:
577	+	lowqopts(op, po);
578	+	break;
579	+	case MEDIUM:
580	+	medqopts(op, po);
581	+	break;
582	+	case HIGH:
583	+	hiqopts(op, po);
584	+	break;
585	+	}
586	+	}
587	+
588	+
589	+	lowqopts(op, po)                        /* low quality rendering options */
590	+	register char   *op;
591	+	char    *po;
592	+	{
593	+	double  d, org[3], siz[3];
594	+
595		*op = '\0';
596	+	*po = '\0';
597	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
598	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
599	+	badvalue(ZONE);
600	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
601	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
602	+	badvalue(ZONE);
603	+	getoctcube(org, &d);
604	+	d *= 3./(siz[0]+siz[1]+siz[2]);
605	+	switch (vscale(DETAIL)) {
606	+	case LOW:
607	+	po = addarg(po, "-ps 16");
608	+	op = addarg(op, "-dp 64");
609	+	sprintf(op, " -ar %d", (int)(4*d));
610	+	op += strlen(op);
611	+	break;
612	+	case MEDIUM:
613	+	po = addarg(po, "-ps 8");
614	+	op = addarg(op, "-dp 128");
615	+	sprintf(op, " -ar %d", (int)(8*d));
616	+	op += strlen(op);
617	+	break;
618	+	case HIGH:
619	+	po = addarg(po, "-ps 4");
620	+	op = addarg(op, "-dp 256");
621	+	sprintf(op, " -ar %d", (int)(16*d));
622	+	op += strlen(op);
623	+	break;
624	+	}
625	+	po = addarg(po, "-pt .16");
626	+	if (vbool(PENUMBRAS))
627	+	op = addarg(op, "-ds .4");
628	+	else
629	+	op = addarg(op, "-ds 0");
630	+	op = addarg(op, "-dt .2 -dc .25 -dr 0 -sj 0 -st .5");
631	+	if (vdef(AMBFILE)) {
632	+	sprintf(op, " -af %s", vval(AMBFILE));
633	+	op += strlen(op);
634	+	} else
635	+	overture = 0;
636	+	switch (vscale(VARIABILITY)) {
637	+	case LOW:
638	+	op = addarg(op, "-aa .4 -ad 64");
639	+	break;
640	+	case MEDIUM:
641	+	op = addarg(op, "-aa .3 -ad 128");
642	+	break;
643	+	case HIGH:
644	+	op = addarg(op, "-aa .25 -ad 256");
645	+	break;
646	+	}
647	+	op = addarg(op, "-as 0");
648	+	d = ambval();
649	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
650	+	op += strlen(op);
651	+	op = addarg(op, "-lr 3 -lw .02");
652		if (vdef(RENDER))
653		op = addarg(op, vval(RENDER));
654		}
655
656
657	<	medqopts(ro)                            /* medium quality rendering options */
658	<	char    *ro;
657	>	medqopts(op, po)                        /* medium quality rendering options */
658	>	register char   *op;
659	>	char    *po;
660		{
661	<	register char   *op = ro;
661	>	double  d, org[3], siz[3], asz;
662
663		*op = '\0';
664	+	*po = '\0';
665	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
666	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
667	+	badvalue(ZONE);
668	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
669	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
670	+	badvalue(ZONE);
671	+	getoctcube(org, &d);
672	+	asz = (siz[0]+siz[1]+siz[2])/3.;
673	+	d /= asz;
674	+	switch (vscale(DETAIL)) {
675	+	case LOW:
676	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 4" : "-ps 8");
677	+	op = addarg(op, "-dp 256");
678	+	sprintf(op, " -ar %d", (int)(8*d));
679	+	op += strlen(op);
680	+	sprintf(op, " -ms %.2g", asz/20.);
681	+	op += strlen(op);
682	+	break;
683	+	case MEDIUM:
684	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 3" : "-ps 6");
685	+	op = addarg(op, "-dp 512");
686	+	sprintf(op, " -ar %d", (int)(16*d));
687	+	op += strlen(op);
688	+	sprintf(op, " -ms %.2g", asz/40.);
689	+	op += strlen(op);
690	+	break;
691	+	case HIGH:
692	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 2" : "-ps 4");
693	+	op = addarg(op, "-dp 1024");
694	+	sprintf(op, " -ar %d", (int)(32*d));
695	+	op += strlen(op);
696	+	sprintf(op, " -ms %.2g", asz/80.);
697	+	op += strlen(op);
698	+	break;
699	+	}
700	+	po = addarg(po, "-pt .08");
701	+	if (vbool(PENUMBRAS))
702	+	op = addarg(op, "-ds .2 -dj .5");
703	+	else
704	+	op = addarg(op, "-ds .3");
705	+	op = addarg(op, "-dt .1 -dc .5 -dr 1 -sj .7 -st .1");
706	+	if (overture = vint(INDIRECT)) {
707	+	sprintf(op, " -ab %d", overture);
708	+	op += strlen(op);
709	+	}
710	+	if (vdef(AMBFILE)) {
711	+	sprintf(op, " -af %s", vval(AMBFILE));
712	+	op += strlen(op);
713	+	} else
714	+	overture = 0;
715	+	switch (vscale(VARIABILITY)) {
716	+	case LOW:
717	+	op = addarg(op, "-aa .25 -ad 196 -as 0");
718	+	break;
719	+	case MEDIUM:
720	+	op = addarg(op, "-aa .2 -ad 400 -as 64");
721	+	break;
722	+	case HIGH:
723	+	op = addarg(op, "-aa .15 -ad 768 -as 196");
724	+	break;
725	+	}
726	+	d = ambval();
727	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
728	+	op += strlen(op);
729	+	op = addarg(op, "-lr 6 -lw .002");
730		if (vdef(RENDER))
731		op = addarg(op, vval(RENDER));
732		}
733
734
735	<	hiqopts(ro)                             /* high quality rendering options */
736	<	char    *ro;
735	>	hiqopts(op, po)                         /* high quality rendering options */
736	>	register char   *op;
737	>	char    *po;
738		{
739	<	register char   *op = ro;
739	>	double  d, org[3], siz[3], asz;
740
741		*op = '\0';
742	+	*po = '\0';
743	+	if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf", &org[0],
744	+	&siz[0], &org[1], &siz[1], &org[2], &siz[2]) != 6)
745	+	badvalue(ZONE);
746	+	siz[0] -= org[0]; siz[1] -= org[1]; siz[2] -= org[2];
747	+	if (siz[0] <= FTINY | siz[1] <= FTINY | siz[2] <= FTINY)
748	+	badvalue(ZONE);
749	+	getoctcube(org, &d);
750	+	asz = (siz[0]+siz[1]+siz[2])/3.;
751	+	d /= asz;
752	+	switch (vscale(DETAIL)) {
753	+	case LOW:
754	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 8");
755	+	op = addarg(op, "-dp 1024");
756	+	sprintf(op, " -ar %d", (int)(16*d));
757	+	op += strlen(op);
758	+	sprintf(op, " -ms %.2g", asz/40.);
759	+	op += strlen(op);
760	+	break;
761	+	case MEDIUM:
762	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 5");
763	+	op = addarg(op, "-dp 2048");
764	+	sprintf(op, " -ar %d", (int)(32*d));
765	+	op += strlen(op);
766	+	sprintf(op, " -ms %.2g", asz/80.);
767	+	op += strlen(op);
768	+	break;
769	+	case HIGH:
770	+	po = addarg(po, vbool(PENUMBRAS) ? "-ps 1" : "-ps 3");
771	+	op = addarg(op, "-dp 4096");
772	+	sprintf(op, " -ar %d", (int)(64*d));
773	+	op += strlen(op);
774	+	sprintf(op, " -ms %.2g", asz/160.);
775	+	op += strlen(op);
776	+	break;
777	+	}
778	+	po = addarg(po, "-pt .04");
779	+	if (vbool(PENUMBRAS))
780	+	op = addarg(op, "-ds .1 -dj .65");
781	+	else
782	+	op = addarg(op, "-ds .2");
783	+	op = addarg(op, "-dt .05 -dc .75 -dr 3 -sj 1 -st .01");
784	+	sprintf(op, " -ab %d", overture=vint(INDIRECT)+1);
785	+	op += strlen(op);
786	+	if (vdef(AMBFILE)) {
787	+	sprintf(op, " -af %s", vval(AMBFILE));
788	+	op += strlen(op);
789	+	} else
790	+	overture = 0;
791	+	switch (vscale(VARIABILITY)) {
792	+	case LOW:
793	+	op = addarg(op, "-aa .15 -ad 256 -as 0");
794	+	break;
795	+	case MEDIUM:
796	+	op = addarg(op, "-aa .125 -ad 512 -as 256");
797	+	break;
798	+	case HIGH:
799	+	op = addarg(op, "-aa .08 -ad 1024 -as 512");
800	+	break;
801	+	}
802	+	d = ambval();
803	+	sprintf(op, " -av %.2g %.2g %.2g", d, d, d);
804	+	op += strlen(op);
805	+	op = addarg(op, "-lr 12 -lw .0005");
806		if (vdef(RENDER))
807		op = addarg(op, vval(RENDER));
808		}
#	Line 583 | Line 812 | xferopts(ro)                           /* transfer options if indicated */
812		char    *ro;
813		{
814		int     fd, n;
815	+	register char   *cp;
816
817		n = strlen(ro);
818		if (n < 2)
819		return;
820		if (vdef(OPTFILE)) {
821	<	if ((fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666)) == -1) {
822	<	perror(vval(OPTFILE));
823	<	exit(1);
824	<	}
825	<	if (write(fd, ro+1, n-1) != n-1) {
826	<	perror(vval(OPTFILE));
827	<	exit(1);
828	<	}
829	<	write(fd, "\n", 1);
830	<	close(fd);
831	<	ro[0] = ' ';
602	<	ro[1] = '^';
603	<	strcpy(ro+2, vval(OPTFILE));
821	>	for (cp = ro; cp[1]; cp++)
822	>	if (isspace(cp[1]) && (cp[2] == '@' ||
823	>	(cp[2] == '-' && isalpha(cp[3]))))
824	>	*cp = '\n';
825	>	else
826	>	*cp = cp[1];
827	>	*cp = '\n';
828	>	fd = open(vval(OPTFILE), O_WRONLY|O_CREAT|O_TRUNC, 0666);
829	>	if (fd < 0 || write(fd, ro, n) != n || close(fd) < 0)
830	>	syserr(vval(OPTFILE));
831	>	sprintf(ro, " @%s", vval(OPTFILE));
832		}
833	<	#ifdef MSDOS
833	>	#ifdef _WIN32
834		else if (n > 50) {
835	<	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);
835	>	setenv("ROPT", ro+1);
836		strcpy(ro, " $ROPT");
837		}
838		#endif
#	Line 626 | Line 847 | register char  *po;
847		po = addarg(po, "-1 -e");
848		po = addarg(po, vval(EXPOSURE));
849		}
850	<	if (vscale(QUALITY) == HIGH)
851	<	po = addarg(po, "-r .65");
850	>	switch (vscale(QUALITY)) {
851	>	case MEDIUM:
852	>	po = addarg(po, "-r .6");
853	>	break;
854	>	case HIGH:
855	>	po = addarg(po, "-m .25");
856	>	break;
857	>	}
858		if (vdef(PFILT))
859		po = addarg(po, vval(PFILT));
860		}
#	Line 649 | Line 876 | char *
876		specview(vs)                            /* get proper view spec from vs */
877		register char   *vs;
878		{
879	+	static char     vup[7][12] = {"-vu 0 0 -1","-vu 0 -1 0","-vu -1 0 0",
880	+	"-vu 0 0 1", "-vu 1 0 0","-vu 0 1 0","-vu 0 0 1"};
881		static char     viewopts[128];
882		register char   *cp;
883	<	int     xpos, ypos, zpos, viewtype;
884	<	int     exterior;
883	>	int     xpos, ypos, zpos, viewtype, upax;
884	>	register int    i;
885		double  cent[3], dim[3], mult, d;
886
887		if (vs == NULL || *vs == '-')
888		return(vs);
889	+	upax = 0;                       /* get the up vector */
890	+	if (vdef(UP)) {
891	+	if (vval(UP)[0] == '-' || vval(UP)[0] == '+')
892	+	upax = 1-'X'+UPPER(vval(UP)[1]);
893	+	else
894	+	upax = 1-'X'+vlet(UP);
895	+	if (upax < 1 | upax > 3)
896	+	badvalue(UP);
897	+	if (vval(UP)[0] == '-')
898	+	upax = -upax;
899	+	}
900		/* check standard view names */
901		xpos = ypos = zpos = 0;
662	–	viewtype = 0;
902		if (*vs == 'X') {
903		xpos = 1; vs++;
904		} else if (*vs == 'x') {
#	Line 675 | Line 914 | register char  *vs;
914		} else if (*vs == 'z') {
915		zpos = -1; vs++;
916		}
917	<	if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h')
917	>	viewtype = 'v';
918	>	if (*vs == 'v' | *vs == 'l' | *vs == 'a' | *vs == 'h' | *vs == 'c')
919		viewtype = *vs++;
680	–	else if (!*vs || isspace(*vs))
681	–	viewtype = 'v';
920		cp = viewopts;
921	<	if (viewtype && (xpos|ypos|zpos)) {     /* got standard view */
921	>	if ((!*vs || isspace(*vs)) && (xpos|ypos|zpos)) {       /* got one! */
922		*cp++ = '-'; *cp++ = 'v'; *cp++ = 't'; *cp++ = viewtype;
923		if (sscanf(vval(ZONE), "%*s %lf %lf %lf %lf %lf %lf",
924		&cent[0], &dim[0], &cent[1], &dim[1],
925	<	&cent[2], &dim[2]) != 6) {
926	<	fprintf(stderr, "%s: bad zone specification\n",
927	<	progname);
928	<	exit(1);
925	>	&cent[2], &dim[2]) != 6)
926	>	badvalue(ZONE);
927	>	for (i = 0; i < 3; i++) {
928	>	dim[i] -= cent[i];
929	>	if (dim[i] <= FTINY)
930	>	badvalue(ZONE);
931	>	cent[i] += .5*dim[i];
932		}
933	<	dim[0] -= cent[0];
693	<	dim[1] -= cent[1];
694	<	dim[2] -= cent[2];
695	<	exterior = vlet(ZONE) == 'E';
696	<	mult = exterior ? 2. : .45 ;
933	>	mult = vlet(ZONE)=='E' ? 2. : .45 ;
934		sprintf(cp, " -vp %.2g %.2g %.2g -vd %.2g %.2g %.2g",
935		cent[0]+xpos*mult*dim[0],
936		cent[1]+ypos*mult*dim[1],
937		cent[2]+zpos*mult*dim[2],
938		-xpos*dim[0], -ypos*dim[1], -zpos*dim[2]);
939		cp += strlen(cp);
940	<	switch (vlet(UP)) {
941	<	case 'Z':
942	<	if (xpos|ypos) {
943	<	cp = addarg(cp, "-vu 0 0 1");
944	<	break;
945	<	}
946	<	/* 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");
940	>	/* redirect up axis if necessary */
941	>	switch (upax) {
942	>	case 3:                 /* plus or minus Z axis */
943	>	case -3:
944	>	case 0:
945	>	if (!(xpos|ypos))
946	>	upax = 2;
947		break;
948	<	default:
949	<	fprintf(stderr, "%s: illegal value for variable '%s'\n",
950	<	progname, vnam(UP));
951	<	exit(1);
948	>	case 2:                 /* plus or minus Y axis */
949	>	case -2:
950	>	if (!(xpos|zpos))
951	>	upax = 1;
952	>	break;
953	>	case 1:                 /* plus or minus X axis */
954	>	case -1:
955	>	if (!(ypos|zpos))
956	>	upax = 3;
957	>	break;
958		}
959	+	cp = addarg(cp, vup[upax+3]);
960		switch (viewtype) {
961		case 'v':
962		cp = addarg(cp, "-vh 45 -vv 45");
#	Line 737 | Line 970 | register char  *vs;
970		case 'h':
971		cp = addarg(cp, "-vh 180 -vv 180");
972		break;
973	+	case 'c':
974	+	cp = addarg(cp, "-vh 180 -vv 90");
975	+	break;
976		}
977	<	} else
978	<	while (*vs && !isspace(*vs))    /* else skip id */
979	<	vs++;
980	<	/* append any additional options */
981	<	while (isspace(*vs)) vs++;
977	>	} else {
978	>	while (!isspace(*vs))           /* else skip id */
979	>	if (!*vs++)
980	>	return(NULL);
981	>	if (upax) {                     /* specify up vector */
982	>	strcpy(cp, vup[upax+3]);
983	>	cp += strlen(cp);
984	>	}
985	>	}
986	>	if (cp == viewopts)             /* append any additional options */
987	>	vs++;           /* skip prefixed space if unneeded */
988		strcpy(cp, vs);
989	+	#ifdef _WIN32
990	+	if (strlen(viewopts) > 40) {
991	+	setenv("VIEW", viewopts);
992	+	return("$VIEW");
993	+	}
994	+	#endif
995		return(viewopts);
996		}
997
#	Line 751 | Line 999 | register char  *vs;
999		char *
1000		getview(n, vn)                          /* get view n, or NULL if none */
1001		int     n;
1002	<	char    *vn;
1002	>	char    *vn;            /* returned view name */
1003		{
1004		register char   *mv;
1005
1006	<	if (viewselect != NULL) {
1006	>	if (viewselect != NULL) {               /* command-line selected */
1007		if (n)                          /* only do one */
1008		return(NULL);
1009		if (viewselect[0] == '-') {     /* already specified */
#	Line 768 | Line 1016 | char   *vn;
1016		;
1017		*vn = '\0';
1018		}
1019	+	/* view number? */
1020	+	if (isint(viewselect))
1021	+	return(specview(nvalue(VIEWS, atoi(viewselect)-1)));
1022		/* check list */
1023	<	while ((mv = nvalue(vv+VIEW, n++)) != NULL)
1023	>	while ((mv = nvalue(VIEWS, n++)) != NULL)
1024		if (matchword(viewselect, mv))
1025		return(specview(mv));
1026		return(specview(viewselect));   /* standard view? */
1027		}
1028	<	if (vn != NULL && (mv = nvalue(vv+VIEW, n)) != NULL) {
1029	<	if (*mv != '-')
1030	<	while (*mv && !isspace(*mv))
1031	<	*vn++ = *mv++;
1028	>	mv = nvalue(VIEWS, n);          /* use view n */
1029	>	if (vn != NULL & mv != NULL) {
1030	>	register char   *mv2 = mv;
1031	>	if (*mv2 != '-')
1032	>	while (*mv2 && !isspace(*mv2))
1033	>	*vn++ = *mv2++;
1034		*vn = '\0';
1035		}
1036	<	return(specview(nvalue(vv+VIEW, n)));   /* use view n */
1036	>	return(specview(mv));
1037		}
1038
1039
1040	<	rview(opts)                             /* run rview with first view */
1041	<	char    *opts;
1040	>	printview(vopts)                        /* print out selected view */
1041	>	register char   *vopts;
1042		{
1043	<	char    combuf[512];
1043	>	VIEW    vwr;
1044	>	char    buf[128];
1045	>	register char   *cp;
1046	>	again:
1047	>	if (vopts == NULL)
1048	>	return(-1);
1049	>	#ifdef _WIN32
1050	>	if (vopts[0] == '$') {
1051	>	vopts = getenv(vopts+1);
1052	>	goto again;
1053	>	}
1054	>	#endif
1055	>	copystruct(&vwr, &stdview);
1056	>	sscanview(&vwr, cp=vopts);              /* set initial options */
1057	>	while ((cp = strstr(cp, "-vf ")) != NULL &&
1058	>	*atos(buf, sizeof(buf), cp += 4)) {
1059	>	viewfile(buf, &vwr, NULL);      /* load -vf file */
1060	>	sscanview(&vwr, cp);            /* reset tail */
1061	>	}
1062	>	fputs(VIEWSTR, stdout);
1063	>	fprintview(&vwr, stdout);               /* print full spec. */
1064	>	fputc('\n', stdout);
1065	>	return(0);
1066	>	}
1067	>
1068	>
1069	>	rview(opts, po)                         /* run rview with first view */
1070	>	char    *opts, *po;
1071	>	{
1072	>	char    *vw;
1073	>	char    combuf[PATH_MAX];
1074		/* build command */
1075	<	sprintf(combuf, "rview %s%s ", getview(0, NULL), opts);
1075	>	if (touchonly || (vw = getview(0, NULL)) == NULL)
1076	>	return;
1077	>	if (sayview)
1078	>	printview(vw);
1079	>	sprintf(combuf, "rview %s%s%s -R %s ", vw, po, opts, rifname);
1080		if (rvdevice != NULL)
1081		sprintf(combuf+strlen(combuf), "-o %s ", rvdevice);
1082	<	strcat(combuf, vval(OCTREE));
1083	<	if (!silent) {                  /* echo it */
1084	<	printf("\t%s\n", combuf);
1085	<	fflush(stdout);
799	<	}
800	<	if (noaction)
801	<	return;
802	<	if (system(combuf)) {           /* run it */
1082	>	if (vdef(EXPOSURE))
1083	>	sprintf(combuf+strlen(combuf), "-pe %s ", vval(EXPOSURE));
1084	>	strcat(combuf, oct1name);
1085	>	if (runcom(combuf)) {           /* run it */
1086		fprintf(stderr, "%s: error running rview\n", progname);
1087	<	exit(1);
1087	>	quit(1);
1088		}
1089		}
1090
1091
1092	<	rpict(opts)                             /* run rpict and pfilt for each view */
1093	<	char    *opts;
1092	>	rpict(opts, po)                         /* run rpict and pfilt for each view */
1093	>	char    *opts, *po;
1094		{
1095	<	char    combuf[512];
1096	<	char    rawfile[MAXPATH], picfile[MAXPATH], rep[MAXPATH], res[32];
1097	<	char    pfopts[64];
1095	>	char    combuf[PATH_MAX];
1096	>	char    rawfile[PATH_MAX], picfile[PATH_MAX];
1097	>	char    zopt[PATH_MAX+4], rep[PATH_MAX+16], res[32];
1098	>	char    pfopts[128];
1099		char    vs[32], *vw;
1100		int     vn, mult;
1101	+	time_t  rfdt, pfdt;
1102		/* get pfilt options */
1103		pfiltopts(pfopts);
1104		/* get resolution, reporting */
1105	<	mult = vscale(QUALITY)+1;
1105	>	switch (vscale(QUALITY)) {
1106	>	case LOW:
1107	>	mult = 1;
1108	>	break;
1109	>	case MEDIUM:
1110	>	mult = 2;
1111	>	break;
1112	>	case HIGH:
1113	>	mult = 3;
1114	>	break;
1115	>	}
1116		{
1117		int     xres, yres;
1118		double  aspect;
#	Line 829 | Line 1124 | char   *opts;
1124		else if (n) {
1125		if (n == 1) yres = xres;
1126		sprintf(res, "-x %d -y %d", mult*xres, mult*yres);
1127	<	} else {
1128	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
834	<	progname, vnam(RESOLUTION));
835	<	exit(1);
836	<	}
1127	>	} else
1128	>	badvalue(RESOLUTION);
1129		}
1130		rep[0] = '\0';
1131		if (vdef(REPORT)) {
#	Line 844 | Line 1136 | char   *opts;
1136		sprintf(rep, " -t %d -e %s", (int)(minutes*60), rawfile);
1137		else if (n == 1)
1138		sprintf(rep, " -t %d", (int)(minutes*60));
1139	<	else {
1140	<	fprintf(stderr, "%s: bad value for variable '%s'\n",
849	<	progname, vnam(REPORT));
850	<	exit(1);
851	<	}
1139	>	else
1140	>	badvalue(REPORT);
1141		}
1142	<	/* do each view */
854	<	vn = 0;
1142	>	vn = 0;                                 /* do each view */
1143		while ((vw = getview(vn++, vs)) != NULL) {
1144	+	if (sayview)
1145	+	printview(vw);
1146		if (!vs[0])
1147		sprintf(vs, "%d", vn);
1148		sprintf(picfile, "%s_%s.pic", vval(PICTURE), vs);
1149	+	if (vdef(ZFILE))
1150	+	sprintf(zopt, " -z %s_%s.zbf", vval(ZFILE), vs);
1151	+	else
1152	+	zopt[0] = '\0';
1153		/* check date on picture */
1154	<	if (fdate(picfile) > octreedate)
1154	>	pfdt = fdate(picfile);
1155	>	if (pfdt >= oct1date)
1156		continue;
1157	+	/* get raw file name */
1158	+	sprintf(rawfile, "%s_%s.unf",
1159	+	vdef(RAWFILE) ? vval(RAWFILE) : vval(PICTURE), vs);
1160	+	rfdt = fdate(rawfile);
1161	+	if (touchonly) {                /* update times only */
1162	+	if (rfdt) {
1163	+	if (rfdt < oct1date)
1164	+	touch(rawfile);
1165	+	} else if (pfdt && pfdt < oct1date)
1166	+	touch(picfile);
1167	+	continue;
1168	+	}
1169	+	if (next_process())             /* parallel running? */
1170	+	continue;
1171	+	/* XXX Remember to call finish_process() */
1172		/* build rpict command */
1173	<	sprintf(rawfile, "%s_%s.raw", vval(PICTURE), vs);
1174	<	if (fdate(rawfile) > octreedate)        /* recover */
1175	<	sprintf(combuf, "rpict%s%s -ro %s %s",
866	<	rep, opts, rawfile, vval(OCTREE));
1173	>	if (rfdt >= oct1date)           /* recover */
1174	>	sprintf(combuf, "rpict%s%s%s%s -ro %s %s",
1175	>	rep, po, opts, zopt, rawfile, oct1name);
1176		else {
1177		if (overture) {         /* run overture calculation */
1178		sprintf(combuf,
1179		"rpict%s %s%s -x 64 -y 64 -ps 1 %s > %s",
1180		rep, vw, opts,
1181	<	vval(OCTREE), rawfile);
1182	<	if (!silent) {
874	<	printf("\t%s\n", combuf);
875	<	fflush(stdout);
876	<	}
877	<	if (!noaction && system(combuf)) {
1181	>	oct1name, overfile);
1182	>	if (runcom(combuf)) {
1183		fprintf(stderr,
1184	<	"%s: error in overture for view %s\n\t%s removed\n",
1185	<	progname, vs, rawfile);
1186	<	unlink(rawfile);
882	<	exit(1);
1184	>	"%s: error in overture for view %s\n",
1185	>	progname, vs);
1186	>	quit(1);
1187		}
1188	+	#ifndef NULL_DEVICE
1189	+	rmfile(overfile);
1190	+	#endif
1191		}
1192	<	sprintf(combuf, "rpict%s %s %s%s %s > %s",
1193	<	rep, vw, res, opts,
1194	<	vval(OCTREE), rawfile);
1192	>	sprintf(combuf, "rpict%s %s %s%s%s%s %s > %s",
1193	>	rep, vw, res, po, opts, zopt,
1194	>	oct1name, rawfile);
1195		}
1196	<	if (!silent) {                  /* echo rpict command */
890	<	printf("\t%s\n", combuf);
891	<	fflush(stdout);
892	<	}
893	<	if (!noaction && system(combuf)) {      /* run rpict */
1196	>	if (runcom(combuf)) {           /* run rpict */
1197		fprintf(stderr, "%s: error rendering view %s\n",
1198		progname, vs);
1199	<	exit(1);
1199	>	quit(1);
1200		}
1201	+	if (!vdef(RAWFILE) || strcmp(vval(RAWFILE),vval(PICTURE))) {
1202		/* build pfilt command */
1203	<	if (mult > 1)
1204	<	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1203	>	if (mult > 1)
1204	>	sprintf(combuf, "pfilt%s -x /%d -y /%d %s > %s",
1205		pfopts, mult, mult, rawfile, picfile);
1206	<	else
1207	<	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1208	<	rawfile, picfile);
1209	<	if (!silent) {                  /* echo pfilt command */
1210	<	printf("\t%s\n", combuf);
1211	<	fflush(stdout);
1206	>	else
1207	>	sprintf(combuf, "pfilt%s %s > %s", pfopts,
1208	>	rawfile, picfile);
1209	>	if (runcom(combuf)) {           /* run pfilt */
1210	>	fprintf(stderr,
1211	>	"%s: error filtering view %s\n\t%s removed\n",
1212	>	progname, vs, picfile);
1213	>	unlink(picfile);
1214	>	quit(1);
1215	>	}
1216		}
1217	<	if (!noaction && system(combuf)) {      /* run pfilt */
1218	<	fprintf(stderr,
1219	<	"%s: error filtering view %s\n\t%s removed\n",
1220	<	progname, vs, picfile);
1221	<	unlink(picfile);
1222	<	exit(1);
1223	<	}
1224	<	/* remove raw file */
1225	<	if (!silent)
1226	<	#ifdef MSDOS
1227	<	printf("\tdel %s\n", rawfile);
1217	>	/* remove/rename raw file */
1218	>	if (vdef(RAWFILE)) {
1219	>	sprintf(combuf, "%s_%s.pic", vval(RAWFILE), vs);
1220	>	mvfile(rawfile, combuf);
1221	>	} else
1222	>	rmfile(rawfile);
1223	>	finish_process();               /* leave if child */
1224	>	}
1225	>	wait_process(1);                /* wait for children to finish */
1226	>	}
1227	>
1228	>
1229	>	touch(fn)                       /* update a file */
1230	>	char    *fn;
1231	>	{
1232	>	if (!silent)
1233	>	printf("\ttouch %s\n", fn);
1234	>	if (!nprocs)
1235	>	return(0);
1236	>	#ifdef notused
1237	>	if (access(fn, F_OK) == -1)             /* create it */
1238	>	if (close(open(fn, O_WRONLY|O_CREAT, 0666)) == -1)
1239	>	return(-1);
1240	>	#endif
1241	>	return(setfdate(fn, time((time_t *)NULL)));
1242	>	}
1243	>
1244	>
1245	>	runcom(cs)                      /* run command */
1246	>	char    *cs;
1247	>	{
1248	>	if (!silent)            /* echo it */
1249	>	printf("\t%s\n", cs);
1250	>	if (!nprocs)
1251	>	return(0);
1252	>	fflush(stdout);         /* flush output and pass to shell */
1253	>	return(system(cs));
1254	>	}
1255	>
1256	>
1257	>	rmfile(fn)                      /* remove a file */
1258	>	char    *fn;
1259	>	{
1260	>	if (!silent)
1261	>	#ifdef _WIN32
1262	>	printf("\tdel %s\n", fn);
1263		#else
1264	<	printf("\trm %s\n", rawfile);
1264	>	printf("\trm -f %s\n", fn);
1265		#endif
1266	<	if (!noaction)
1267	<	unlink(rawfile);
1266	>	if (!nprocs)
1267	>	return(0);
1268	>	return(unlink(fn));
1269	>	}
1270	>
1271	>
1272	>	mvfile(fold, fnew)              /* move a file */
1273	>	char    *fold, *fnew;
1274	>	{
1275	>	if (!silent)
1276	>	#ifdef _WIN32
1277	>	printf("\trename %s %s\n", fold, fnew);
1278	>	#else
1279	>	printf("\tmv %s %s\n", fold, fnew);
1280	>	#endif
1281	>	if (!nprocs)
1282	>	return(0);
1283	>	return(rename(fold, fnew));
1284	>	}
1285	>
1286	>
1287	>	#ifdef RHAS_FORK_EXEC
1288	>	int
1289	>	next_process()                  /* fork the next process (max. nprocs) */
1290	>	{
1291	>	int     child_pid;
1292	>
1293	>	if (nprocs <= 1)
1294	>	return(0);              /* it's us or no one */
1295	>	if (children_running < 0) {
1296	>	fprintf(stderr, "%s: internal error 1 in spawn_process()\n",
1297	>	progname);
1298	>	quit(1);
1299		}
1300	+	if (children_running >= nprocs)
1301	+	wait_process(0);        /* wait for someone to finish */
1302	+	fflush(stdout);
1303	+	child_pid = fork();             /* split process */
1304	+	if (child_pid == 0) {           /* we're the child */
1305	+	children_running = -1;
1306	+	return(0);
1307	+	}
1308	+	if (child_pid > 0) {            /* we're the parent */
1309	+	++children_running;
1310	+	return(1);
1311	+	}
1312	+	fprintf(stderr, "%s: warning -- fork() failed\n", progname);
1313	+	return(0);
1314	+	}
1315	+
1316	+	wait_process(all)                       /* wait for process(es) to finish */
1317	+	int     all;
1318	+	{
1319	+	int     ourstatus = 0;
1320	+	int     pid, status;
1321	+
1322	+	if (all)
1323	+	all = children_running;
1324	+	else if (children_running > 0)
1325	+	all = 1;
1326	+	while (all-- > 0) {
1327	+	pid = wait(&status);
1328	+	if (pid < 0)
1329	+	syserr(progname);
1330	+	status = status>>8 & 0xff;
1331	+	--children_running;
1332	+	if (status != 0) {      /* child's problem is our problem */
1333	+	if (ourstatus == 0 & children_running > 0)
1334	+	fprintf(stderr, "%s: waiting for remaining processes\n",
1335	+	progname);
1336	+	ourstatus = status;
1337	+	all = children_running;
1338	+	}
1339	+	}
1340	+	if (ourstatus != 0)
1341	+	quit(ourstatus);        /* bad status from child */
1342	+	}
1343	+	#else   /* ! RHAS_FORK_EXEC */
1344	+	int
1345	+	next_process()
1346	+	{
1347	+	return(0);                      /* cannot start new process */
1348	+	}
1349	+	wait_process(all)
1350	+	int     all;
1351	+	{
1352	+	(void)all;                      /* no one to wait for */
1353	+	}
1354	+	#endif  /* ! RHAS_FORK_EXEC */
1355	+
1356	+	finish_process()                        /* exit a child process */
1357	+	{
1358	+	if (children_running >= 0)
1359	+	return;                 /* in parent -- noop */
1360	+	exit(0);
1361	+	}
1362	+
1363	+	#ifdef _WIN32
1364	+	setenv(vname, value)            /* set an environment variable */
1365	+	char    *vname, *value;
1366	+	{
1367	+	register char   *evp;
1368	+
1369	+	evp = bmalloc(strlen(vname)+strlen(value)+2);
1370	+	if (evp == NULL)
1371	+	syserr(progname);
1372	+	sprintf(evp, "%s=%s", vname, value);
1373	+	if (putenv(evp) != 0) {
1374	+	fprintf(stderr, "%s: out of environment space\n", progname);
1375	+	quit(1);
1376	+	}
1377	+	if (!silent)
1378	+	printf("set %s\n", evp);
1379	+	}
1380	+	#endif
1381	+
1382	+
1383	+	badvalue(vc)                    /* report bad variable value and exit */
1384	+	int     vc;
1385	+	{
1386	+	fprintf(stderr, "%s: bad value for variable '%s'\n",
1387	+	progname, vnam(vc));
1388	+	quit(1);
1389	+	}
1390	+
1391	+
1392	+	syserr(s)                       /* report a system error and exit */
1393	+	char    *s;
1394	+	{
1395	+	perror(s);
1396	+	quit(1);
1397	+	}
1398	+
1399	+
1400	+	void
1401	+	quit(ec)                        /* exit program */
1402	+	int     ec;
1403	+	{
1404	+	exit(ec);
1405		}

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