METHOD AND APPARATUS FOR CONTINUITY BASED SMOOTHING

Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design of physical structures include, in one aspect, a method for increasing smoothness between a set of adjoining surface patches includes: identifying surface patches corresponding to a portion...

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Bibliographische Detailangaben
Hauptverfasser:	Helps, Adam Michael, North, Nicholas Stewart
Format:	Patent
Sprache:	eng
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING CALCULATING COMPUTING COUNTING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PERFORMING OPERATIONS PHYSICS TRANSPORTING
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Beschreibung
Zusammenfassung:	Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design of physical structures include, in one aspect, a method for increasing smoothness between a set of adjoining surface patches includes: identifying surface patches corresponding to a portion of a modeled surface to be smoothed, where the surface patches are defined by control vertices from a control mesh; smoothing the portion of the modeled surface based on continuity, where the smoothing includes determining a continuity measure at an interface between each pair of adjoining surface patches, and modifying positions of a subset of the control vertices, thereby modifying the surface patches, by targeting an overall improvement in the continuity measures for the interfaces, while also targeting an overall minimum of modification of positions of the control vertices; and processing the modified positions of the subset of the control vertices within the modelled surface for output.