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/* Copyright (c) 1997 Regents of the University of California */ |
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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ LBL" */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* |
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* Header file for picture file conditioning. |
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#define HISTRES 100 /* histogram resolution */ |
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#define LMIN 1e-4 /* minimum visible world luminance */ |
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#define LMIN 1e-7 /* minimum visible world luminance */ |
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#define LMAX 1e5 /* maximum visible world luminance */ |
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#define Bl(Lw) log(Lw) /* brightness function */ |