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ALS technical notes: Difference between revisions
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→Fading of a directional light
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====Fading of a directional light==== | ====Fading of a directional light==== | ||
[[File:Directional light.jpg|thumb|Explanation of a light radiation pattern]] | |||
The fading of a directional light away from the pointing axis is controlled by passing angles (or rather sines of angles). | The fading of a directional light away from the pointing axis is controlled by passing angles (or rather sines of angles). | ||