將一個面的表面類型設(shè)為擴展多項式(Extended Polynomial)后,extra data編輯框里的第二項norm radius是什么呢?應(yīng)該怎么設(shè)置呢?
Sw)i1S9 zemax manual里的說明是“Normalization radius. All ray-intercept points are divided by this number to determine the x and y coordinates for polynomial evaluation.”,但是沒看懂,請問大家怎么理解?
4q