| 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 |  | * | 
| 13 |  | #define VEQ(v1,v2)      (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ | 
| 14 |  | &&FEQ((v1)[2],(v2)[2])) | 
| 15 |  |  | 
| 16 | < | char    *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; | 
| 17 | < | int     rtargc = 4; | 
| 16 | > | char    *rtargv[64] = {"rtrace", "-h-", "-ov", "-fff", "-ld-", "-i-", "-I-"}; | 
| 17 | > | int     rtargc = 7; | 
| 18 |  |  | 
| 19 |  | VIEW    ourview = STDVIEW;              /* our view */ | 
| 20 |  | VIEW    pictview = STDVIEW;             /* picture view */ | 
| 39 |  | long    npixinvw;                       /* number of pixels in view */ | 
| 40 |  | long    npixmiss;                       /* number of pixels missed */ | 
| 41 |  |  | 
| 42 | + | static int angcmp(const void *ap1, const void *ap2); | 
| 43 | + | static void init(void); | 
| 44 | + | static void cleanup(void); | 
| 45 | + | static void printsources(void); | 
| 46 | + | static void printillum(void); | 
| 47 |  |  | 
| 48 | < | main(argc, argv) | 
| 49 | < | int     argc; | 
| 50 | < | char    *argv[]; | 
| 48 | > |  | 
| 49 | > |  | 
| 50 | > | int | 
| 51 | > | main( | 
| 52 | > | int     argc, | 
| 53 | > | char    *argv[] | 
| 54 | > | ) | 
| 55 |  | { | 
| 56 |  | int     combine = 1; | 
| 57 |  | int     gotview = 0; | 
| 61 |  | progname = argv[0]; | 
| 62 |  | /* process options */ | 
| 63 |  | for (i = 1; i < argc && argv[i][0] == '-'; i++) { | 
| 64 | + | /* expand arguments */ | 
| 65 | + | while ((rval = expandarg(&argc, &argv, i)) > 0) | 
| 66 | + | ; | 
| 67 | + | if (rval < 0) { | 
| 68 | + | fprintf(stderr, "%s: cannot expand '%s'\n", | 
| 69 | + | argv[0], argv[i]); | 
| 70 | + | exit(1); | 
| 71 | + | } | 
| 72 |  | rval = getviewopt(&ourview, argc-i, argv+i); | 
| 73 |  | if (rval >= 0) { | 
| 74 |  | i += rval; | 
| 119 |  | combine = !combine; | 
| 120 |  | break; | 
| 121 |  | case 'd': | 
| 122 | < | if (argv[i][2] == 'v') { | 
| 123 | < | rtargv[rtargc++] = argv[i]; | 
| 122 | > | rtargv[rtargc++] = argv[i]; | 
| 123 | > | if (argv[i][2] != 'v') | 
| 124 | > | rtargv[rtargc++] = argv[++i]; | 
| 125 | > | break; | 
| 126 | > | case 'l': | 
| 127 | > | if (argv[i][2] == 'd') | 
| 128 |  | break; | 
| 111 | – | } | 
| 129 |  | /* FALL THROUGH */ | 
| 113 | – | case 'l': | 
| 130 |  | case 's': | 
| 131 |  | case 'P': | 
| 132 | + | case 'n': | 
| 133 |  | rtargv[rtargc++] = argv[i]; | 
| 134 |  | rtargv[rtargc++] = argv[++i]; | 
| 135 |  | break; | 
| 136 |  | case 'w': | 
| 137 | + | case 'u': | 
| 138 | + | case 'b': | 
| 139 |  | rtargv[rtargc++] = argv[i]; | 
| 140 |  | break; | 
| 141 |  | case 'a': | 
| 146 |  | } | 
| 147 |  | rtargv[rtargc++] = argv[++i]; | 
| 148 |  | break; | 
| 149 | + | case 'm': | 
| 150 | + | rtargv[rtargc++] = argv[i]; | 
| 151 | + | if ((argv[i][2] == 'e') | (argv[i][2] == 'a')) { | 
| 152 | + | rtargv[rtargc++] = argv[++i]; | 
| 153 | + | rtargv[rtargc++] = argv[++i]; | 
| 154 | + | } | 
| 155 | + | rtargv[rtargc++] = argv[++i]; | 
| 156 | + | break; | 
| 157 |  | default: | 
| 158 |  | goto userr; | 
| 159 |  | } | 
| 194 |  | progname); | 
| 195 |  | exit(1); | 
| 196 |  | } | 
| 197 | < | copystruct(&ourview, &pictview); | 
| 197 | > | ourview = pictview; | 
| 198 |  | } else if (picture != NULL && !VEQ(ourview.vp, pictview.vp)) { | 
| 199 |  | fprintf(stderr, "%s: picture must have same viewpoint\n", | 
| 200 |  | progname); | 
| 223 |  | absorb_specks();                /* eliminate tiny sources */ | 
| 224 |  | cleanup();                              /* tidy up */ | 
| 225 |  | /* print header */ | 
| 226 | + | newheader("RADIANCE", stdout); | 
| 227 |  | printargs(argc, argv, stdout); | 
| 228 |  | fputs(VIEWSTR, stdout); | 
| 229 |  | fprintview(&ourview, stdout); | 
| 241 |  | } | 
| 242 |  |  | 
| 243 |  |  | 
| 244 | < | int | 
| 245 | < | angcmp(ap1, ap2)                /* compare two angles */ | 
| 246 | < | ANGLE   *ap1, *ap2; | 
| 244 | > | static int | 
| 245 | > | angcmp(         /* compare two angles */ | 
| 246 | > | const void      *ap1, | 
| 247 | > | const void      *ap2 | 
| 248 | > | ) | 
| 249 |  | { | 
| 250 |  | register int    a1, a2; | 
| 251 |  |  | 
| 252 | < | a1 = *ap1; | 
| 253 | < | a2 = *ap2; | 
| 252 | > | a1 = *(ANGLE *)ap1; | 
| 253 | > | a2 = *(ANGLE *)ap2; | 
| 254 |  | if (a1 == a2) { | 
| 255 |  | fprintf(stderr, "%s: duplicate glare angle (%d)\n", | 
| 256 |  | progname, a1); | 
| 260 |  | } | 
| 261 |  |  | 
| 262 |  |  | 
| 263 | < | init()                          /* initialize global variables */ | 
| 263 | > | static void | 
| 264 | > | init(void)                              /* initialize global variables */ | 
| 265 |  | { | 
| 266 |  | double  d; | 
| 267 |  | register int    i; | 
| 292 |  | if (indirect == NULL) | 
| 293 |  | memerr("indirect illuminances"); | 
| 294 |  | npixinvw = npixmiss = 0L; | 
| 295 | < | copystruct(&leftview, &ourview); | 
| 296 | < | copystruct(&rightview, &ourview); | 
| 295 | > | leftview = ourview; | 
| 296 | > | rightview = ourview; | 
| 297 |  | spinvector(leftview.vdir, ourview.vdir, ourview.vup, maxtheta); | 
| 298 |  | spinvector(rightview.vdir, ourview.vdir, ourview.vup, -maxtheta); | 
| 299 |  | setview(&leftview); | 
| 337 |  | } | 
| 338 |  |  | 
| 339 |  |  | 
| 340 | < | cleanup()                               /* close files, wait for children */ | 
| 340 | > | static void | 
| 341 | > | cleanup(void)                           /* close files, wait for children */ | 
| 342 |  | { | 
| 343 |  | if (verbose) | 
| 344 |  | fprintf(stderr, "%s: cleaning up...        \n", progname); | 
| 352 |  | } | 
| 353 |  |  | 
| 354 |  |  | 
| 355 | < | compdir(vd, x, y)                       /* compute direction for x,y */ | 
| 356 | < | FVECT   vd; | 
| 357 | < | int     x, y; | 
| 355 | > | extern int | 
| 356 | > | compdir(                        /* compute direction for x,y */ | 
| 357 | > | FVECT   vd, | 
| 358 | > | int     x, | 
| 359 | > | int     y | 
| 360 | > | ) | 
| 361 |  | { | 
| 362 |  | int     hl; | 
| 363 |  | FVECT   org;                    /* dummy variable */ | 
| 385 |  | } | 
| 386 |  |  | 
| 387 |  |  | 
| 388 | < | double | 
| 389 | < | pixsize(x, y)           /* return the solid angle of pixel at (x,y) */ | 
| 390 | < | int     x, y; | 
| 388 | > | extern double | 
| 389 | > | pixsize(                /* return the solid angle of pixel at (x,y) */ | 
| 390 | > | int     x, | 
| 391 | > | int     y | 
| 392 | > | ) | 
| 393 |  | { | 
| 394 |  | register int    hl, xo; | 
| 395 |  | double  disc; | 
| 401 |  | xo = x-hl; | 
| 402 |  | else | 
| 403 |  | xo = 0; | 
| 404 | < | disc = 1. - (double)(xo*xo + y*y)/(sampdens*sampdens); | 
| 405 | < | if (disc <= FTINY) | 
| 404 | > | disc = 1. - (double)((long)xo*xo + (long)y*y)/((long)sampdens*sampdens); | 
| 405 | > | if (disc <= FTINY*FTINY) | 
| 406 |  | return(0.); | 
| 407 |  | return(1./(sampdens*sampdens*sqrt(disc))); | 
| 408 |  | } | 
| 409 |  |  | 
| 410 |  |  | 
| 411 | < | memerr(s)                       /* malloc failure */ | 
| 412 | < | char    *s; | 
| 411 | > | extern void | 
| 412 | > | memerr(                 /* malloc failure */ | 
| 413 | > | char    *s | 
| 414 | > | ) | 
| 415 |  | { | 
| 416 |  | fprintf(stderr, "%s: out of memory for %s\n", progname, s); | 
| 417 |  | exit(1); | 
| 418 |  | } | 
| 419 |  |  | 
| 420 |  |  | 
| 421 | < | printsources()                  /* print out glare sources */ | 
| 421 | > | static void | 
| 422 | > | printsources(void)                      /* print out glare sources */ | 
| 423 |  | { | 
| 424 |  | register struct source  *sp; | 
| 425 |  |  | 
| 432 |  | } | 
| 433 |  |  | 
| 434 |  |  | 
| 435 | < | printillum()                    /* print out indirect illuminances */ | 
| 435 | > | static void | 
| 436 | > | printillum(void)                        /* print out indirect illuminances */ | 
| 437 |  | { | 
| 438 |  | register int    i; | 
| 439 |  |  |