| 摘要 |
PROBLEM TO BE SOLVED: To provide a circuit for obtaining RGB colors etc. in order to attain 3-dimensional computer graphic in real time which can mitigate a hardware capacity etc. SOLUTION: A system, etc. is used for 3-dimensional computer graphics fundamentally comprising a means for obtaining an RGB illumination factor of particle, and an accumulating density, a 1-exp(x) table, an inverse number table, and a multiplier for calculating IR<SB>g</SB>, IG<SB>g</SB>and IB<SB>g</SB>defined by formula using an input value. COPYRIGHT: (C)2008,JPO&INPIT
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