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Graphics Interchange Format  |  2000-10-04  |  2.8 KB  |  472x183  |  1-bit (2 colors)
   ocr: for non- spotlights or if rhoj > COs( theta 2 spoti = 0 frhoi c coscephi, 2 - fallod rhoj - cosrehi 2 - otherwise cost theta 2 - cosrphs, 2