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Vectors: lines and perpendicular feet

Vectors: lines and perpendicular feet · Diagrams

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A light–surface–eye ray path

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Authored schematic: a light source, surface facet and viewpoint joined by a ray path. The calculation can follow the path backwards from the eye.
Authored schematic: a light source, surface facet and viewpoint joined by a ray path. The calculation can follow the path backwards from the eye.
Authored schematic: a light source, surface facet and viewpoint joined by a ray path. The calculation can follow the path backwards from the eye.
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