| 12 |
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|
| 13 |
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#include "glare.h" |
| 14 |
|
|
| 15 |
< |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(a)-(b)<=FTINY) |
| 15 |
> |
#define FEQ(a,b) ((a)-(b)<=FTINY&&(b)-(a)<=FTINY) |
| 16 |
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#define VEQ(v1,v2) (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ |
| 17 |
|
&&FEQ((v1)[2],(v2)[2])) |
| 18 |
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|
| 19 |
< |
char *rtargv[32] = {"rtrace", "-h", "-ov", "-fff"}; |
| 19 |
> |
char *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; |
| 20 |
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int rtargc = 4; |
| 21 |
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|
| 22 |
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VIEW ourview = STDVIEW; /* our view */ |
| 55 |
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progname = argv[0]; |
| 56 |
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/* process options */ |
| 57 |
|
for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
| 58 |
+ |
/* expand arguments */ |
| 59 |
+ |
while (rval = expandarg(&argc, &argv, i)) |
| 60 |
+ |
if (rval < 0) { |
| 61 |
+ |
fprintf(stderr, "%s: cannot expand '%s'", |
| 62 |
+ |
argv[0], argv[i]); |
| 63 |
+ |
exit(1); |
| 64 |
+ |
} |
| 65 |
|
rval = getviewopt(&ourview, argc-i, argv+i); |
| 66 |
|
if (rval >= 0) { |
| 67 |
|
i += rval; |
| 82 |
|
} |
| 83 |
|
if (argv[i][2] != 'f') |
| 84 |
|
goto userr; |
| 85 |
< |
rval = viewfile(argv[++i], &ourview, 0, 0); |
| 85 |
> |
rval = viewfile(argv[++i], &ourview, NULL); |
| 86 |
|
if (rval < 0) { |
| 87 |
|
fprintf(stderr, |
| 88 |
|
"%s: cannot open view file \"%s\"\n", |
| 112 |
|
combine = !combine; |
| 113 |
|
break; |
| 114 |
|
case 'd': |
| 115 |
+ |
if (argv[i][2] == 'v') { |
| 116 |
+ |
rtargv[rtargc++] = argv[i]; |
| 117 |
+ |
break; |
| 118 |
+ |
} |
| 119 |
+ |
/* FALL THROUGH */ |
| 120 |
|
case 'l': |
| 121 |
+ |
case 's': |
| 122 |
+ |
case 'P': |
| 123 |
|
rtargv[rtargc++] = argv[i]; |
| 124 |
|
rtargv[rtargc++] = argv[++i]; |
| 125 |
|
break; |
| 126 |
+ |
case 'w': |
| 127 |
+ |
rtargv[rtargc++] = argv[i]; |
| 128 |
+ |
break; |
| 129 |
|
case 'a': |
| 130 |
|
rtargv[rtargc++] = argv[i]; |
| 131 |
|
if (argv[i][2] == 'v') { |
| 147 |
|
} |
| 148 |
|
/* get view */ |
| 149 |
|
if (picture != NULL) { |
| 150 |
< |
rval = viewfile(picture, &pictview, 0, 0); |
| 150 |
> |
rval = viewfile(picture, &pictview, NULL); |
| 151 |
|
if (rval < 0) { |
| 152 |
|
fprintf(stderr, "%s: cannot open picture file \"%s\"\n", |
| 153 |
|
progname, picture); |
| 203 |
|
absorb_specks(); /* eliminate tiny sources */ |
| 204 |
|
cleanup(); /* tidy up */ |
| 205 |
|
/* print header */ |
| 206 |
+ |
newheader("RADIANCE", stdout); |
| 207 |
|
printargs(argc, argv, stdout); |
| 208 |
|
fputs(VIEWSTR, stdout); |
| 209 |
|
fprintview(&ourview, stdout); |
| 221 |
|
} |
| 222 |
|
|
| 223 |
|
|
| 224 |
+ |
int |
| 225 |
+ |
angcmp(ap1, ap2) /* compare two angles */ |
| 226 |
+ |
ANGLE *ap1, *ap2; |
| 227 |
+ |
{ |
| 228 |
+ |
register int a1, a2; |
| 229 |
+ |
|
| 230 |
+ |
a1 = *ap1; |
| 231 |
+ |
a2 = *ap2; |
| 232 |
+ |
if (a1 == a2) { |
| 233 |
+ |
fprintf(stderr, "%s: duplicate glare angle (%d)\n", |
| 234 |
+ |
progname, a1); |
| 235 |
+ |
exit(1); |
| 236 |
+ |
} |
| 237 |
+ |
return(a1-a2); |
| 238 |
+ |
} |
| 239 |
+ |
|
| 240 |
+ |
|
| 241 |
|
init() /* initialize global variables */ |
| 242 |
|
{ |
| 243 |
|
double d; |
| 249 |
|
/* set direction vectors */ |
| 250 |
|
for (i = 0; glarang[i] != AEND; i++) |
| 251 |
|
; |
| 252 |
< |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] >= 180)) { |
| 253 |
< |
fprintf(stderr, "%s: glare angles must be between 1 and 179\n", |
| 252 |
> |
qsort(glarang, i, sizeof(ANGLE), angcmp); |
| 253 |
> |
if (i > 0 && (glarang[0] <= 0 || glarang[i-1] > 180)) { |
| 254 |
> |
fprintf(stderr, "%s: glare angles must be between 1 and 180\n", |
| 255 |
|
progname); |
| 256 |
|
exit(1); |
| 257 |
|
} |
| 323 |
|
if (octree != NULL) |
| 324 |
|
done_rtrace(); |
| 325 |
|
if (npixinvw < 100*npixmiss) |
| 326 |
< |
fprintf(stderr, "%s: warning -- missing %ld%% of samples\n", |
| 327 |
< |
progname, 100L*npixmiss/npixinvw); |
| 326 |
> |
fprintf(stderr, "%s: warning -- missing %d%% of samples\n", |
| 327 |
> |
progname, (int)(100L*npixmiss/npixinvw)); |
| 328 |
|
} |
| 329 |
|
|
| 330 |
|
|
| 336 |
|
FVECT org; /* dummy variable */ |
| 337 |
|
|
| 338 |
|
hl = hlim(y); |
| 339 |
< |
if (x <= -hl) /* left region */ |
| 339 |
> |
if (x <= -hl) { /* left region */ |
| 340 |
> |
if (x <= -hl-sampdens) |
| 341 |
> |
return(-1); |
| 342 |
|
return(viewray(org, vd, &leftview, |
| 343 |
|
(double)(x+hl)/(2*sampdens)+.5, |
| 344 |
|
(double)y/(2*sampdens)+.5)); |
| 345 |
< |
if (x >= hl) /* right region */ |
| 345 |
> |
} |
| 346 |
> |
if (x >= hl) { /* right region */ |
| 347 |
> |
if (x >= hl+sampdens) |
| 348 |
> |
return(-1); |
| 349 |
|
return(viewray(org, vd, &rightview, |
| 350 |
|
(double)(x-hl)/(2*sampdens)+.5, |
| 351 |
|
(double)y/(2*sampdens)+.5)); |
| 352 |
+ |
} |
| 353 |
|
/* central region */ |
| 354 |
|
if (viewray(org, vd, &ourview, .5, (double)y/(2*sampdens)+.5) < 0) |
| 355 |
|
return(-1); |
| 372 |
|
xo = x-hl; |
| 373 |
|
else |
| 374 |
|
xo = 0; |
| 375 |
< |
disc = 1. - (double)(xo*xo + y*y)/(sampdens*sampdens); |
| 376 |
< |
if (disc <= FTINY) |
| 375 |
> |
disc = 1. - (double)((long)xo*xo + (long)y*y)/((long)sampdens*sampdens); |
| 376 |
> |
if (disc <= FTINY*FTINY) |
| 377 |
|
return(0.); |
| 378 |
|
return(1./(sampdens*sampdens*sqrt(disc))); |
| 379 |
|
} |