Appendix C. Spheres

This section gives diagrammatic views of how the spheres on the book’s original front cover were created.

Sphere with Gradient Shading and Shadow

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Sphere with gradient shading and shadow. Top left: Completed sphere. Top middle: Shadow. Bottom: The sphere with shadow and highlight layers.

Sphere with Hatched Shading and Shadow

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Sphere with hatched shading and shadow. Top left: Completed sphere. Top middle: Unshaded sphere. Middles: Path used for clipping, raw hatch (single line duplicated via tile-cloning), creation of clipping ...

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