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看了help里面的說明，如下： u.Yb#?
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A candela plot is a plot of luminous intensity, or flux per solid angle. In photometric units, a luminous intensity plot is in units of candelas, or lumens per steradian. In radiometric units, the corresponding quantity is called intensity, and has units of watt/steradian. Candela plots are commonly used in the design of illumination systems. O~OWRJ@p
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但還是不懂，它跟Irradiance/Illuminence maps有什么區(qū)別呢？ ,ToEK Id
菜鳥問題，請賜教！
