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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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/* 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)) |
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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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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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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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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); |
