Basic Concepts
Terms
| illumination: | calculating light intensity at a point (object space; equation) based loosly on physical laws |
| shading: | algorithm for calculating intensities at pixels (image space; algorithm) (H & B uses surface rendering) |
Objects
| light sources | -- light - emitting |
| other objects | -- light - reflecting |
Light sources
| point (special case: at infinity) |
| distributed |
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