Original file(SVG file, nominally 750 × 800 pixels, file size: 22 KB)

Summary

Description
English: A diagram showing the vectors used in calculating the shadowing of a sphere at a point on a surface:
  * L, vector to the light source
  * S, vector to the center of the sphere
  * T, tangent vector to the sphere
  * d, distance of tangent from the center of the light source
Image originally created by User:Fuzzypeg in Inkscape and modified by User:Martin Kraus; released to the public domain.
Date
Source Own work
Author Martin Kraus

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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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27 June 2011

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Date/TimeThumbnailDimensionsUserComment
current14:41, 27 June 2011Thumbnail for version as of 14:41, 27 June 2011750 × 800 (22 KB)Martin Krauschanged arrowhead of d measure
14:13, 27 June 2011Thumbnail for version as of 14:13, 27 June 2011750 × 800 (21 KB)Martin Krausfixed heads of arrows
13:59, 27 June 2011Thumbnail for version as of 13:59, 27 June 2011750 × 800 (19 KB)Martin Kraus