...fig:cie^9.1

Neither the online or printed version of the diagram can reproduce the full range of colours represented in the CIE colour space

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...fig:raytrace-chess^10.1

Image borrowed from PovRAY.com

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... perfect^11.1

Perfect in this context refers to the ideal situation, an infinite thin beam of light hitting a surface without spreading

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... diffuse^11.2

As wee shall see Radiosity assumes that diffuse reflection is perfect, i.e. equal in all directions

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... pixels^11.3

not to be confused with pixels on screen

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