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Figure 1: This sequence of water sloshing back and forth in an invisible tank demonstrates our cartoon rendering style for liquid animations. The sequence begins when the fluid is released from a cuboid shape, sloshes against the opposite wall, back against the first wall, and eventually settles on the ground. ABSTRACTIn this paper we present a visually compelling and informative cartoon rendering style for liquid animations. Our style is inspired by animations such as Futurama, 1 The Little Mermaid, 2 and Bambi 2 . We take as input a liquid surface obtained from a three-dimensional physically based liquid simulation system and output animations that evoke a cartoon style and convey liquid movement. Our method is based on four cues that emphasize properties of the liquid's shape and motion. We use bold outlines to emphasize depth discontinuities, patches of constant color to highlight near-silhouettes and areas of thinness, and, optionally place temporally coherent oriented textures on the liquid surface to help convey motion.

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