Method for recognizing feature of 3D solid model
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United States of America Patent
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Issued Date -
May 29, 2008
app pub date -
Nov 29, 2006
filing date -
Nov 29, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a method for recognizing features of a 3D solid model which particularly performs geometric form features. First, the main and minor geometric features of the solid model are respectively defined and sorted into classes and subclasses according to hierarchical taxonomies, and a database of structural features of the solid model is built with respect to a designed table schema. Then feature names and information are retrieved from the structural feature tree of the solid model on the basis of CSG (constructive solid geometry) by means of the 'retrieving feature tree information' technique, and decomposed into geometric data and topological data which are finally stored into the database. The method of the present invention can therefore rapidly recognize the features of the solid model with high accuracy.
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