The Lighting Model

Water and hairy

Original

Hairy

Water

Have same normal around the local maximum

Random normal around the local maximum

Popuped effects for pebbles

Original

Modified

Original

Modified

Original

Modified

Coarse hatching for a popuped image based on stipples

hatching(small lines) stippling

shaded

Stippling for a popuped image based on shading

Still working on the popup art

It turns out it is not easy to set up the color scheme for mounatin paintings.

Ridges with some color setup.

More sets of results from popup effects

In the middle of creating popup effects

texture for the XToon shading

Original lighting effect

Toon shading effect

XToon shading effect

All generated from user-defined region boundaries