The Lit Sphere: A Model for Capturing NPR Shading from Art

Peter-Pike Sloan --William Martin -- Amy Gooch -- Bruce Gooch

Using artistically rendered spheres to create a shading model

Using environment map silhouettes

Using groups

User interface which user can create shading from selected pieces of an art work

Experimenting

Using this image by Olivia

And the interface:

to generate:

Applied to a different model.

Using the Lit Sphere technique to produce the impression of metal.

Using the Lit Sphere technique to approximate the look of a work of art.

Source image:

Result images: