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/* Copyright (c) 1991 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Find glare sources in a scene or image. |
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* |
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#define VEQ(v1,v2) (FEQ((v1)[0],(v2)[0])&&FEQ((v1)[1],(v2)[1]) \ |
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&&FEQ((v1)[2],(v2)[2])) |
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|
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char *rtargv[32] = {"rtrace", "-h-", "-ov", "-fff"}; |
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int rtargc = 4; |
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char *rtargv[64] = {"rtrace", "-h-", "-ov", "-fff", "-ld-", "-i-", "-I-"}; |
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int rtargc = 7; |
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VIEW ourview = STDVIEW; /* our view */ |
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VIEW pictview = STDVIEW; /* picture view */ |
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progname = argv[0]; |
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/* process options */ |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) { |
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/* expand arguments */ |
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while ((rval = expandarg(&argc, &argv, i)) > 0) |
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; |
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if (rval < 0) { |
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fprintf(stderr, "%s: cannot expand '%s'", |
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argv[0], argv[i]); |
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exit(1); |
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} |
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rval = getviewopt(&ourview, argc-i, argv+i); |
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if (rval >= 0) { |
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i += rval; |
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combine = !combine; |
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break; |
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case 'd': |
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if (argv[i][2] == 'v') { |
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rtargv[rtargc++] = argv[i]; |
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rtargv[rtargc++] = argv[i]; |
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if (argv[i][2] != 'v') |
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rtargv[rtargc++] = argv[++i]; |
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break; |
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case 'l': |
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if (argv[i][2] == 'd') |
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break; |
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} |
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/* FALL THROUGH */ |
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case 'l': |
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case 's': |
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case 'P': |
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rtargv[rtargc++] = argv[i]; |
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progname); |
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exit(1); |
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} |
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copystruct(&ourview, &pictview); |
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ourview = pictview; |
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} else if (picture != NULL && !VEQ(ourview.vp, pictview.vp)) { |
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fprintf(stderr, "%s: picture must have same viewpoint\n", |
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progname); |
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absorb_specks(); /* eliminate tiny sources */ |
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cleanup(); /* tidy up */ |
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/* print header */ |
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newheader("RADIANCE", stdout); |
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printargs(argc, argv, stdout); |
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fputs(VIEWSTR, stdout); |
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fprintview(&ourview, stdout); |
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if (indirect == NULL) |
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memerr("indirect illuminances"); |
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npixinvw = npixmiss = 0L; |
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copystruct(&leftview, &ourview); |
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copystruct(&rightview, &ourview); |
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leftview = ourview; |
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rightview = ourview; |
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spinvector(leftview.vdir, ourview.vdir, ourview.vup, maxtheta); |
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spinvector(rightview.vdir, ourview.vdir, ourview.vup, -maxtheta); |
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setview(&leftview); |