| 1 |
– |
/* Copyright (c) 1991 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 |
|
* Find glare sources in a scene or image. |
| 6 |
|
* |
| 9 |
|
|
| 10 |
|
#include "glare.h" |
| 11 |
|
|
| 12 |
< |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(b)-(a)<=FTINY) |
| 13 |
< |
#define VEQ(v1,v2) (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ |
| 17 |
< |
&&FEQ((v1)[2],(v2)[2])) |
| 12 |
> |
char *rtargv[64] = {"rtrace", "-h-", "-ov", "-fff", "-ld-", "-i-", "-I-"}; |
| 13 |
> |
int rtargc = 7; |
| 14 |
|
|
| 19 |
– |
char *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; |
| 20 |
– |
int rtargc = 4; |
| 21 |
– |
|
| 15 |
|
VIEW ourview = STDVIEW; /* our view */ |
| 16 |
|
VIEW pictview = STDVIEW; /* picture view */ |
| 17 |
|
VIEW leftview, rightview; /* leftmost and rightmost views */ |
| 35 |
|
long npixinvw; /* number of pixels in view */ |
| 36 |
|
long npixmiss; /* number of pixels missed */ |
| 37 |
|
|
| 38 |
+ |
static int angcmp(const void *ap1, const void *ap2); |
| 39 |
+ |
static void init(void); |
| 40 |
+ |
static void cleanup(void); |
| 41 |
+ |
static void printsources(void); |
| 42 |
+ |
static void printillum(void); |
| 43 |
|
|
| 44 |
< |
main(argc, argv) |
| 45 |
< |
int argc; |
| 46 |
< |
char *argv[]; |
| 44 |
> |
|
| 45 |
> |
|
| 46 |
> |
int |
| 47 |
> |
main( |
| 48 |
> |
int argc, |
| 49 |
> |
char *argv[] |
| 50 |
> |
) |
| 51 |
|
{ |
| 52 |
|
int combine = 1; |
| 53 |
|
int gotview = 0; |
| 57 |
|
progname = argv[0]; |
| 58 |
|
/* process options */ |
| 59 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
| 60 |
+ |
/* expand arguments */ |
| 61 |
+ |
while ((rval = expandarg(&argc, &argv, i)) > 0) |
| 62 |
+ |
; |
| 63 |
+ |
if (rval < 0) { |
| 64 |
+ |
fprintf(stderr, "%s: cannot expand '%s'\n", |
| 65 |
+ |
argv[0], argv[i]); |
| 66 |
+ |
exit(1); |
| 67 |
+ |
} |
| 68 |
|
rval = getviewopt(&ourview, argc-i, argv+i); |
| 69 |
|
if (rval >= 0) { |
| 70 |
|
i += rval; |
| 115 |
|
combine = !combine; |
| 116 |
|
break; |
| 117 |
|
case 'd': |
| 118 |
+ |
rtargv[rtargc++] = argv[i]; |
| 119 |
+ |
if (argv[i][2] != 'v') |
| 120 |
+ |
rtargv[rtargc++] = argv[++i]; |
| 121 |
+ |
break; |
| 122 |
|
case 'l': |
| 123 |
+ |
if (argv[i][2] == 'd') |
| 124 |
+ |
break; |
| 125 |
+ |
/* FALL THROUGH */ |
| 126 |
|
case 's': |
| 127 |
+ |
case 'P': |
| 128 |
+ |
case 'n': |
| 129 |
|
rtargv[rtargc++] = argv[i]; |
| 130 |
|
rtargv[rtargc++] = argv[++i]; |
| 131 |
|
break; |
| 132 |
+ |
case 'w': |
| 133 |
+ |
case 'u': |
| 134 |
+ |
case 'b': |
| 135 |
+ |
rtargv[rtargc++] = argv[i]; |
| 136 |
+ |
break; |
| 137 |
|
case 'a': |
| 138 |
|
rtargv[rtargc++] = argv[i]; |
| 139 |
|
if (argv[i][2] == 'v') { |
| 142 |
|
} |
| 143 |
|
rtargv[rtargc++] = argv[++i]; |
| 144 |
|
break; |
| 145 |
+ |
case 'm': |
| 146 |
+ |
rtargv[rtargc++] = argv[i]; |
| 147 |
+ |
if ((argv[i][2] == 'e') | (argv[i][2] == 'a')) { |
| 148 |
+ |
rtargv[rtargc++] = argv[++i]; |
| 149 |
+ |
rtargv[rtargc++] = argv[++i]; |
| 150 |
+ |
} |
| 151 |
+ |
rtargv[rtargc++] = argv[++i]; |
| 152 |
+ |
break; |
| 153 |
|
default: |
| 154 |
|
goto userr; |
| 155 |
|
} |
| 190 |
|
progname); |
| 191 |
|
exit(1); |
| 192 |
|
} |
| 193 |
< |
copystruct(&ourview, &pictview); |
| 194 |
< |
} else if (picture != NULL && !VEQ(ourview.vp, pictview.vp)) { |
| 193 |
> |
ourview = pictview; |
| 194 |
> |
} else if (picture != NULL && !VABSEQ(ourview.vp, pictview.vp)) { |
| 195 |
|
fprintf(stderr, "%s: picture must have same viewpoint\n", |
| 196 |
|
progname); |
| 197 |
|
exit(1); |
| 219 |
|
absorb_specks(); /* eliminate tiny sources */ |
| 220 |
|
cleanup(); /* tidy up */ |
| 221 |
|
/* print header */ |
| 222 |
+ |
newheader("RADIANCE", stdout); |
| 223 |
|
printargs(argc, argv, stdout); |
| 224 |
|
fputs(VIEWSTR, stdout); |
| 225 |
|
fprintview(&ourview, stdout); |
| 237 |
|
} |
| 238 |
|
|
| 239 |
|
|
| 240 |
< |
int |
| 241 |
< |
angcmp(ap1, ap2) /* compare two angles */ |
| 242 |
< |
ANGLE *ap1, *ap2; |
| 240 |
> |
static int |
| 241 |
> |
angcmp( /* compare two angles */ |
| 242 |
> |
const void *ap1, |
| 243 |
> |
const void *ap2 |
| 244 |
> |
) |
| 245 |
|
{ |
| 246 |
< |
register int a1, a2; |
| 246 |
> |
int a1, a2; |
| 247 |
|
|
| 248 |
< |
a1 = *ap1; |
| 249 |
< |
a2 = *ap2; |
| 248 |
> |
a1 = *(ANGLE *)ap1; |
| 249 |
> |
a2 = *(ANGLE *)ap2; |
| 250 |
|
if (a1 == a2) { |
| 251 |
|
fprintf(stderr, "%s: duplicate glare angle (%d)\n", |
| 252 |
|
progname, a1); |
| 256 |
|
} |
| 257 |
|
|
| 258 |
|
|
| 259 |
< |
init() /* initialize global variables */ |
| 259 |
> |
static void |
| 260 |
> |
init(void) /* initialize global variables */ |
| 261 |
|
{ |
| 262 |
|
double d; |
| 263 |
< |
register int i; |
| 263 |
> |
int i; |
| 264 |
|
|
| 265 |
|
if (verbose) |
| 266 |
|
fprintf(stderr, "%s: initializing data structures...\n", |
| 288 |
|
if (indirect == NULL) |
| 289 |
|
memerr("indirect illuminances"); |
| 290 |
|
npixinvw = npixmiss = 0L; |
| 291 |
< |
copystruct(&leftview, &ourview); |
| 292 |
< |
copystruct(&rightview, &ourview); |
| 291 |
> |
leftview = ourview; |
| 292 |
> |
rightview = ourview; |
| 293 |
|
spinvector(leftview.vdir, ourview.vdir, ourview.vup, maxtheta); |
| 294 |
|
spinvector(rightview.vdir, ourview.vdir, ourview.vup, -maxtheta); |
| 295 |
|
setview(&leftview); |
| 333 |
|
} |
| 334 |
|
|
| 335 |
|
|
| 336 |
< |
cleanup() /* close files, wait for children */ |
| 336 |
> |
static void |
| 337 |
> |
cleanup(void) /* close files, wait for children */ |
| 338 |
|
{ |
| 339 |
|
if (verbose) |
| 340 |
|
fprintf(stderr, "%s: cleaning up... \n", progname); |
| 348 |
|
} |
| 349 |
|
|
| 350 |
|
|
| 351 |
< |
compdir(vd, x, y) /* compute direction for x,y */ |
| 352 |
< |
FVECT vd; |
| 353 |
< |
int x, y; |
| 351 |
> |
int |
| 352 |
> |
compdir( /* compute direction for x,y */ |
| 353 |
> |
FVECT vd, |
| 354 |
> |
int x, |
| 355 |
> |
int y |
| 356 |
> |
) |
| 357 |
|
{ |
| 358 |
|
int hl; |
| 359 |
|
FVECT org; /* dummy variable */ |
| 382 |
|
|
| 383 |
|
|
| 384 |
|
double |
| 385 |
< |
pixsize(x, y) /* return the solid angle of pixel at (x,y) */ |
| 386 |
< |
int x, y; |
| 385 |
> |
pixsize( /* return the solid angle of pixel at (x,y) */ |
| 386 |
> |
int x, |
| 387 |
> |
int y |
| 388 |
> |
) |
| 389 |
|
{ |
| 390 |
< |
register int hl, xo; |
| 390 |
> |
int hl, xo; |
| 391 |
|
double disc; |
| 392 |
|
|
| 393 |
|
hl = hlim(y); |
| 397 |
|
xo = x-hl; |
| 398 |
|
else |
| 399 |
|
xo = 0; |
| 400 |
< |
disc = 1. - (double)(xo*xo + y*y)/(sampdens*sampdens); |
| 401 |
< |
if (disc <= FTINY) |
| 400 |
> |
disc = 1. - (double)((long)xo*xo + (long)y*y)/((long)sampdens*sampdens); |
| 401 |
> |
if (disc <= FTINY*FTINY) |
| 402 |
|
return(0.); |
| 403 |
|
return(1./(sampdens*sampdens*sqrt(disc))); |
| 404 |
|
} |
| 405 |
|
|
| 406 |
|
|
| 407 |
< |
memerr(s) /* malloc failure */ |
| 408 |
< |
char *s; |
| 407 |
> |
void |
| 408 |
> |
memerr( /* malloc failure */ |
| 409 |
> |
char *s |
| 410 |
> |
) |
| 411 |
|
{ |
| 412 |
|
fprintf(stderr, "%s: out of memory for %s\n", progname, s); |
| 413 |
|
exit(1); |
| 414 |
|
} |
| 415 |
|
|
| 416 |
|
|
| 417 |
< |
printsources() /* print out glare sources */ |
| 417 |
> |
static void |
| 418 |
> |
printsources(void) /* print out glare sources */ |
| 419 |
|
{ |
| 420 |
< |
register struct source *sp; |
| 420 |
> |
struct source *sp; |
| 421 |
|
|
| 422 |
|
printf("BEGIN glare source\n"); |
| 423 |
|
for (sp = donelist; sp != NULL; sp = sp->next) |
| 424 |
< |
printf("\t%f %f %f\t%f\t%f\n", |
| 424 |
> |
printf("\t%f %f %f\t%e\t%e\n", |
| 425 |
|
sp->dir[0], sp->dir[1], sp->dir[2], |
| 426 |
|
sp->dom, sp->brt); |
| 427 |
|
printf("END glare source\n"); |
| 428 |
|
} |
| 429 |
|
|
| 430 |
|
|
| 431 |
< |
printillum() /* print out indirect illuminances */ |
| 431 |
> |
static void |
| 432 |
> |
printillum(void) /* print out indirect illuminances */ |
| 433 |
|
{ |
| 434 |
< |
register int i; |
| 434 |
> |
int i; |
| 435 |
|
|
| 436 |
|
printf("BEGIN indirect illuminance\n"); |
| 437 |
|
for (i = 0; i < nglardirs; i++) |