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/* Copyright (c) 1986 Regents of the University of California */ |
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/* Copyright (c) 1995 Regents of the University of California */ |
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/* SCCSid "$SunId$ LBL" */ |
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typedef struct { |
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FVECT aim; /* aim direction or center */ |
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float siz; /* output solid angle or area */ |
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float flen; /* focal length */ |
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float flen; /* focal length (negative if distant source) */ |
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} SPOT; /* spotlight */ |
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typedef struct { |
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SPOT *s; /* spot */ |
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} sl; /* localized source information */ |
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union { |
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int success; /* successes - AIMREQT*failures */ |
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long success; /* successes - AIMREQT*failures */ |
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struct { |
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short pn; /* projection number */ |
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short sn; /* next source to aim for */ |
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int sn; /* next source to aim for */ |
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} sv; /* virtual source */ |
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} sa; /* source aiming information */ |
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long ntests, nhits; /* shadow tests and hits */ |
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extern double srcsizerat; /* max. ratio of source size/dist. */ |
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extern int directrelay; /* maximum number of source relays */ |
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extern int vspretest; /* virtual source pretest density */ |
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extern int directinvis; /* sources invisible? */ |
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extern int directvis; /* sources visible? */ |
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#define getplaneq(c,o) (*sfun[(o)->otype].of->getpleq)(c,o) |
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#define getmaxdisk(c,o) (*sfun[(o)->otype].of->getdisk)(c,o) |
