Reply To: 关于光线追踪3中radiance的式子

[slongle(助教)]

ok，radiance你应该很明白，irradiance的定义就是phi/A，为什么有这个(phi*cos)/A，请看下图右边的情况。
所以导致你理解不顺的原因是，这里的A不是正常想的那个A。

• This reply was modified 4 years, 9 months ago by slongle(助教).

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