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rcasiodu:有好几种方法啊,我知道的有三种: b ZEyP W (1)在ray trace中,有主光线角度,如下图 +yd(t}H@ [图片] RAW(lZ( (2)利用操作数,在merit function中定义主光线角度的操作数(RETY ATAN) f*^)0Po [图片] yp:_W@ ....... (2012-08-16 16:13) _P*<T6\J>
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