Appeal No. 2004-1572
Application No. 09/370,104
such as animals. In one embodiment, an innovative technique for placement, adjustment and
combing of fur on surfaces is provided. In one embodiment, the continuity of fur across surface
patch boundaries is maintained. In addition, in one embodiment, an innovative method to
simulate wet fur is provided. In this method static clumping and animated clumping may be
applied to regions on the surfaces. In one embodiment, a method for the symmetric and one-
sided breaking of hairs along fur-tracks on surfaces is provided. The above processes can be
iteratively applied in order to generate layers of fur, such as an undercoat and an overcoat.
Appellants’ specification at page 3, lines 3-13.
Claim 1 is representative of the claimed invention and is reproduced as follows:
1. A method for generating hair comprising:
producing a plurality of hairs representative of a dry coat of hair; and
modifying at least one area of hair to provide a visual effect to the area of hair,
comprising for each area;
identifying a hair of the plurality of hairs as a center hair,
identifying an area size,
indicating at least one area parameter selected from the group comprising clump-
percent, clump-rate, break-rate, break-percent and break-vector,
determining hairs of the plurality of hairs that are within the area as area hairs, the
area located according to the center hair and the area size, and
orienting the area hairs according to at least one area parameter.
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