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看了help里面的说明，如下： 5f}wQ
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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. J`V7FlM
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但还是不懂，它跟Irradiance/Illuminence maps有什么区别呢？ :'a |cjq
菜鸟问题，请赐教！
