Process for creating from a mesh an isotopologic set of parameterized surfaces
CA 2554361 C · Owner: Dassault Systemes · Inventors: Nigro, Vincent
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is directed to a process for creating from a mesh an isotopologic set of parameterized surfaces. Said process comprises a step of providing a mesh having a plurality of vertices connected by edges defining faces, the vertices comprising regular vertices of valence 4 and irregular vertices of valence different from 4. The mesh provided is for example a Catmull-Clark subdivided mesh. Said mesh further has a sharpness value. defined on at least one vertex or edge with a default value, the sharpness being representative of the attractiveness of the vertex or edge on the surface modeled by the mesh. In other words the sharpness measures the difference between the mesh as it stands …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 27, 2006 and granted June 12, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 27, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.