Designing a 3D modeled object

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United States of America Patent

PATENT NO 9196090
APP PUB NO 20130293541A1
SERIAL NO

13872442

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Abstract

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It is provided a computer-implemented method for designing a 3D modeled object. The method comprises providing a base mesh controlling a subdivision surface. The subdivision surface models the 3D modeled object. The method also comprises providing a polyline consisting of connected edges of the base mesh and defining a smooth portion of the polyline comprising an extremity of the polyline and a sharp portion of the polyline upstream the smooth portion. The method also comprises converting faces of the mesh adjacent to the polyline into parametric patches approximating the subdivision surface. The patches have a G0 connection across the sharp portion of the polyline, and the patches have a Gi connection across the smooth portion of the polyline, where i is an integer higher or equal to 1.

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Patent Owner(s)

  • DASSAULT SYSTEMES

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maisonneuve, Richard Aix en Provence, FR 5 26

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