The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2003
Filed:
Mar. 17, 2000
John Hayman, Toronto, ON, CA;
Shaun Johansen, Toronto, ON, CA;
Jon-David Lacey, Toronto, ON, CA;
Jay Steele, Pickering, ON, CA;
Other;
Abstract
A parametric geometric element definition and generation system and method is described herein. 3D model of geometric objects are generated by execution of one or more directed acyclic graphs having a plurality of nodes which represent various modeling operations and parameters or properties used in defining and generating geometric elements. In further embodiments, an object player monitors modeling operations of nodes and communications with the rendering system to dynamically adapt the performance and format of the rendering system. A notification mechanism is used where nodes may send and/or listen for change events. A modification to one or more properties of node or nodes may trigger the transmission of a change event throughout the directed graph.