1 |
< |
/* Copyright (c) 1991 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1994 Regents of the University of California */ |
2 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
24 |
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|
25 |
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#define CTRL(c) ((c)-'@') |
26 |
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|
27 |
+ |
#ifdef SMLFLT |
28 |
+ |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
29 |
+ |
#else |
30 |
+ |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
31 |
+ |
#endif |
32 |
+ |
|
33 |
+ |
extern char *atos(); |
34 |
+ |
|
35 |
+ |
extern FILE *popen(); |
36 |
+ |
|
37 |
+ |
extern char rifname[128]; /* rad input file name */ |
38 |
+ |
|
39 |
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extern char VersionID[]; |
40 |
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extern char *progname; |
41 |
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extern char *octname; |
70 |
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int change = 0; |
71 |
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VIEW nv; |
72 |
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|
73 |
+ |
while (isspace(*s)) |
74 |
+ |
s++; |
75 |
+ |
if (*s == '-') { /* command line parameters */ |
76 |
+ |
copystruct(&nv, &ourview); |
77 |
+ |
if (sscanview(&nv, s)) |
78 |
+ |
newview(&nv); |
79 |
+ |
else |
80 |
+ |
error(COMMAND, "bad view option(s)"); |
81 |
+ |
return; |
82 |
+ |
} |
83 |
|
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
84 |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
85 |
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(fp = fopen(fname, "a")) == NULL) { |
90 |
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fputs(progname, fp); |
91 |
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fprintview(&ourview, fp); |
92 |
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fputs(sskip(s), fp); |
93 |
< |
fputs("\n", fp); |
93 |
> |
putc('\n', fp); |
94 |
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fclose(fp); |
95 |
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return; |
96 |
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} |
108 |
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(*dev->comout)(buf); |
109 |
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(*dev->comin)(buf, NULL); |
110 |
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if (buf[0] == CTRL('C')) return; |
111 |
< |
if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
111 |
> |
if (sscanvec(buf, nv.vp)) |
112 |
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change++; |
113 |
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else |
114 |
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VCOPY(nv.vp, ourview.vp); |
117 |
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(*dev->comout)(buf); |
118 |
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(*dev->comin)(buf, NULL); |
119 |
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if (buf[0] == CTRL('C')) return; |
120 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
120 |
> |
if (sscanvec(buf, nv.vdir)) |
121 |
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change++; |
122 |
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else |
123 |
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VCOPY(nv.vdir, ourview.vdir); |
126 |
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(*dev->comout)(buf); |
127 |
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(*dev->comin)(buf, NULL); |
128 |
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if (buf[0] == CTRL('C')) return; |
129 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
129 |
> |
if (sscanvec(buf, nv.vup)) |
130 |
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change++; |
131 |
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else |
132 |
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VCOPY(nv.vup, ourview.vup); |
140 |
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else { |
141 |
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nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
142 |
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} |
143 |
+ |
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
144 |
+ |
ourview.vfore, ourview.vaft); |
145 |
+ |
(*dev->comout)(buf); |
146 |
+ |
(*dev->comin)(buf, NULL); |
147 |
+ |
if (buf[0] == CTRL('C')) return; |
148 |
+ |
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
149 |
+ |
change++; |
150 |
+ |
else { |
151 |
+ |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
152 |
+ |
} |
153 |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
154 |
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ourview.hoff, ourview.voff); |
155 |
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(*dev->comout)(buf); |
175 |
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|
176 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
177 |
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copystruct(&nv, &stdview); |
178 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
178 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
179 |
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(success = viewfile(fname, &nv, NULL)) == -1) { |
180 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
181 |
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error(COMMAND, errmsg); |
198 |
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} |
199 |
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|
200 |
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|
201 |
+ |
saveview(s) /* save view to rad file */ |
202 |
+ |
char *s; |
203 |
+ |
{ |
204 |
+ |
char view[64]; |
205 |
+ |
char *fname; |
206 |
+ |
FILE *fp; |
207 |
+ |
|
208 |
+ |
if (*atos(view, sizeof(view), s)) { |
209 |
+ |
if (isint(view)) { |
210 |
+ |
error(COMMAND, "cannot write view by number"); |
211 |
+ |
return; |
212 |
+ |
} |
213 |
+ |
s = sskip(s); |
214 |
+ |
} |
215 |
+ |
while (isspace(*s)) |
216 |
+ |
s++; |
217 |
+ |
if (*s) |
218 |
+ |
atos(rifname, sizeof(rifname), s); |
219 |
+ |
else if (rifname[0] == '\0') { |
220 |
+ |
error(COMMAND, "no previous rad file"); |
221 |
+ |
return; |
222 |
+ |
} |
223 |
+ |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
224 |
+ |
(fp = fopen(fname, "a")) == NULL) { |
225 |
+ |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
226 |
+ |
error(COMMAND, errmsg); |
227 |
+ |
return; |
228 |
+ |
} |
229 |
+ |
fputs("view= ", fp); |
230 |
+ |
fputs(view, fp); |
231 |
+ |
fprintview(&ourview, fp); |
232 |
+ |
putc('\n', fp); |
233 |
+ |
fclose(fp); |
234 |
+ |
} |
235 |
+ |
|
236 |
+ |
|
237 |
+ |
loadview(s) /* load view from rad file */ |
238 |
+ |
char *s; |
239 |
+ |
{ |
240 |
+ |
char buf[512]; |
241 |
+ |
char *fname; |
242 |
+ |
FILE *fp; |
243 |
+ |
VIEW nv; |
244 |
+ |
|
245 |
+ |
strcpy(buf, "rad -n -s -V -v "); |
246 |
+ |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
247 |
+ |
s = sskip(s); |
248 |
+ |
else |
249 |
+ |
strcat(buf, "1"); |
250 |
+ |
if (*s) |
251 |
+ |
atos(rifname, sizeof(rifname), s); |
252 |
+ |
else if (rifname[0] == '\0') { |
253 |
+ |
error(COMMAND, "no previous rad file"); |
254 |
+ |
return; |
255 |
+ |
} |
256 |
+ |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
257 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
258 |
+ |
error(COMMAND, errmsg); |
259 |
+ |
return; |
260 |
+ |
} |
261 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
262 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
263 |
+ |
error(COMMAND, "cannot run rad"); |
264 |
+ |
return; |
265 |
+ |
} |
266 |
+ |
buf[0] = '\0'; |
267 |
+ |
fgets(buf, sizeof(buf), fp); |
268 |
+ |
pclose(fp); |
269 |
+ |
copystruct(&nv, &stdview); |
270 |
+ |
if (!sscanview(&nv, buf)) { |
271 |
+ |
error(COMMAND, "rad error -- no such view?"); |
272 |
+ |
return; |
273 |
+ |
} |
274 |
+ |
newview(&nv); |
275 |
+ |
} |
276 |
+ |
|
277 |
+ |
|
278 |
|
getaim(s) /* aim camera */ |
279 |
|
char *s; |
280 |
|
{ |
172 |
– |
extern double tan(), atan(); |
281 |
|
double zfact; |
282 |
|
VIEW nv; |
283 |
|
|
308 |
|
getrotate(s) /* rotate camera */ |
309 |
|
char *s; |
310 |
|
{ |
203 |
– |
extern double normalize(), tan(), atan(); |
311 |
|
VIEW nv; |
312 |
|
FVECT v1; |
313 |
|
double angle, elev, zfact; |
355 |
|
{ |
356 |
|
char buf[128]; |
357 |
|
register char *cp; |
251 |
– |
register PNODE *p; |
358 |
|
RECT r; |
359 |
|
int x, y; |
360 |
< |
double e; |
360 |
> |
register PNODE *p = &ptrunk; |
361 |
> |
int adapt = 0; |
362 |
> |
double e = 1.0; |
363 |
|
|
364 |
|
for (cp = s; isspace(*cp); cp++) |
365 |
|
; |
366 |
+ |
if (*cp == '@') { |
367 |
+ |
adapt++; |
368 |
+ |
while (isspace(*++cp)) |
369 |
+ |
; |
370 |
+ |
} |
371 |
|
if (*cp == '\0') { /* normalize to point */ |
372 |
|
if (dev->getcur == NULL) |
373 |
|
return; |
377 |
|
r.l = r.d = 0; |
378 |
|
r.r = hresolu; r.u = vresolu; |
379 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
267 |
– |
e = 1.0; |
380 |
|
} else { |
381 |
|
if (*cp == '=') { /* absolute setting */ |
382 |
|
p = NULL; |
384 |
|
for (cp++; isspace(*cp); cp++) |
385 |
|
; |
386 |
|
if (*cp == '\0') { /* interactive */ |
387 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
387 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
388 |
|
(*dev->comout)(buf); |
389 |
|
(*dev->comin)(buf, NULL); |
390 |
|
for (cp = buf; isspace(*cp); cp++) |
392 |
|
if (*cp == '\0') |
393 |
|
return; |
394 |
|
} |
283 |
– |
} else { /* normalize to average */ |
284 |
– |
p = &ptrunk; |
285 |
– |
e = 1.0; |
395 |
|
} |
396 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
397 |
|
e *= pow(2.0, atof(cp)); |
399 |
|
e *= atof(cp); |
400 |
|
} |
401 |
|
if (p != NULL) { /* relative setting */ |
402 |
< |
if (bright(p->v) <= FTINY) { |
402 |
> |
if (bright(p->v) < 1e-15) { |
403 |
|
error(COMMAND, "cannot normalize to zero"); |
404 |
|
return; |
405 |
|
} |
406 |
< |
e *= 0.5 / bright(p->v); |
406 |
> |
if (adapt) |
407 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
408 |
> |
else |
409 |
> |
e *= 0.5 / bright(p->v); |
410 |
|
} |
411 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
412 |
|
return; |
491 |
|
extern double shadcert; |
492 |
|
extern COLOR ambval; |
493 |
|
extern double ambacc; |
382 |
– |
extern double minarad; |
494 |
|
extern int ambres; |
495 |
|
extern int ambdiv; |
496 |
|
extern int ambssamp; |
497 |
|
extern int ambounce; |
498 |
< |
extern int directinvis; |
498 |
> |
extern int directvis; |
499 |
|
extern double srcsizerat; |
500 |
|
extern int do_irrad; |
501 |
+ |
extern double specjitter; |
502 |
+ |
extern double specthresh; |
503 |
|
char buf[128]; |
504 |
|
|
505 |
|
if (s[0] == '\0') { |
506 |
|
(*dev->comout)( |
507 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw sp st: "); |
507 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
508 |
|
(*dev->comin)(buf, NULL); |
509 |
|
s = buf; |
510 |
|
} |
532 |
|
case 't': /* threshold */ |
533 |
|
getparam(s+2, "direct threshold", 'r', &shadthresh); |
534 |
|
break; |
535 |
< |
case 'i': /* invisibility */ |
536 |
< |
getparam(s+2, "direct invisibility", |
537 |
< |
'b', &directinvis); |
535 |
> |
case 'v': /* visibility */ |
536 |
> |
getparam(s+2, "direct visibility", |
537 |
> |
'b', &directvis); |
538 |
|
break; |
539 |
|
case 's': /* sampling */ |
540 |
|
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
552 |
|
case 'a': /* ambient */ |
553 |
|
switch (s[1]) { |
554 |
|
case 'v': /* value */ |
555 |
< |
getparam(s+2, "ambient value", 'C', ambval); |
555 |
> |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
556 |
|
break; |
557 |
|
case 'a': /* accuracy */ |
558 |
< |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
558 |
> |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
559 |
> |
setambacc(ambacc); |
560 |
|
break; |
561 |
|
case 'd': /* divisions */ |
562 |
|
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
569 |
|
break; |
570 |
|
case 'r': |
571 |
|
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
572 |
< |
minarad = ambres > 0 ? |
459 |
< |
thescene.cusize/ambres : 0.0; |
572 |
> |
setambres(ambres); |
573 |
|
break; |
574 |
|
default: |
575 |
|
goto badparam; |
576 |
|
} |
577 |
|
break; |
578 |
< |
case 's': /* sample */ |
578 |
> |
case 'p': /* pixel */ |
579 |
|
switch (s[1]) { |
580 |
< |
case 'p': /* pixel */ |
581 |
< |
if (getparam(s+2, "sample pixel", 'i', &psample)) |
580 |
> |
case 's': /* sample */ |
581 |
> |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
582 |
|
pdepth = 0; |
583 |
|
break; |
584 |
|
case 't': /* threshold */ |
585 |
< |
if (getparam(s+2, "sample threshold", 'r', &maxdiff)) |
585 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
586 |
|
pdepth = 0; |
587 |
|
break; |
588 |
|
default: |
589 |
|
goto badparam; |
590 |
|
} |
591 |
|
break; |
592 |
+ |
case 's': /* specular */ |
593 |
+ |
switch (s[1]) { |
594 |
+ |
case 'j': /* jitter */ |
595 |
+ |
getparam(s+2, "specular jitter", 'r', &specjitter); |
596 |
+ |
break; |
597 |
+ |
case 't': /* threshold */ |
598 |
+ |
getparam(s+2, "specular threshold", 'r', &specthresh); |
599 |
+ |
break; |
600 |
+ |
default: |
601 |
+ |
goto badparam; |
602 |
+ |
} |
603 |
+ |
break; |
604 |
|
case '\0': /* nothing */ |
605 |
|
break; |
606 |
|
default:; |
620 |
|
int x, y; |
621 |
|
RAY thisray; |
622 |
|
|
623 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
499 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
500 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
623 |
> |
thisray.rmax = 0.0; |
624 |
|
|
625 |
+ |
if (!sscanvec(s, thisray.rorg) || |
626 |
+ |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
627 |
+ |
|
628 |
|
if (dev->getcur == NULL) |
629 |
|
return; |
630 |
|
(*dev->comout)("Pick ray\n"); |
631 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
632 |
|
return; |
633 |
|
|
634 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
635 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
634 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
635 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
636 |
|
error(COMMAND, "not on image"); |
637 |
|
return; |
638 |
|
} |
649 |
|
if (thisray.ro == NULL) |
650 |
|
(*dev->comout)("ray hit nothing"); |
651 |
|
else { |
652 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
653 |
< |
objptr(thisray.ro->omod)->oname, |
652 |
> |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
653 |
> |
thisray.rod < 0.0 ? "back of " : "", |
654 |
> |
thisray.ro->omod == OVOID ? VOIDID : |
655 |
> |
objptr(thisray.ro->omod)->oname, |
656 |
|
ofun[thisray.ro->otype].funame, |
657 |
|
thisray.ro->oname); |
658 |
|
(*dev->comout)(buf); |
685 |
|
COLR *scanline; |
686 |
|
int y; |
687 |
|
|
688 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
688 |
> |
while (isspace(*s)) |
689 |
> |
s++; |
690 |
> |
if (*s) |
691 |
> |
atos(buf, sizeof(buf), s); |
692 |
> |
else if (buf[0] == '\0') { |
693 |
|
error(COMMAND, "no file"); |
694 |
|
return; |
695 |
|
} |
699 |
|
error(COMMAND, errmsg); |
700 |
|
return; |
701 |
|
} |
702 |
+ |
#ifdef MSDOS |
703 |
+ |
setmode(fileno(fp), O_BINARY); |
704 |
+ |
#endif |
705 |
|
(*dev->comout)("writing \""); |
706 |
|
(*dev->comout)(fname); |
707 |
|
(*dev->comout)("\"...\n"); |
708 |
|
/* write header */ |
709 |
+ |
newheader("RADIANCE", fp); |
710 |
|
fputs(progname, fp); |
711 |
|
fprintview(&ourview, fp); |
712 |
|
if (octname != NULL) |