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File:Shadow interaction demonstration.jpg

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Shadow_interaction_demonstration.jpg (489 × 260 pixels, file size: 15 KB, MIME type: image/jpeg)

Summary

Description
English: An extremely crude diagram for a RefDesk question showing how the top shadow umbra (cyan) expands (purple) as the antumbra of the lower object approaches it. The purple segment, once a partial shadow, becomes completely dark due to the proximity of the second object.
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Source Own work
Author Wnt

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22 August 2010

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Date/TimeThumbnailDimensionsUserComment
current00:30, 23 August 2010Thumbnail for version as of 00:30, 23 August 2010489 × 260 (15 KB)Wnt{{Information |Description={{en|1=An extremely crude diagram for a RefDesk question showing how the top shadow umbra (cyan) expands (purple) as the antumbra of the lower object approaches it. The purple segment, once a partial shadow, becomes completely

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