cxXbo a 看了help里面的說明，如下：
lx{.H,1~ %bIsrQ~B 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.
B*?ZE4` `E 3:;| 但還是不懂，它跟Irradiance/Illuminence maps有什么區(qū)別呢？
T!l
mO?
