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AUTOMATIC PARAMETRIZATION OF A CAD MODEL
AUTOMATIC PARAMETRIZATION OF A CAD MODEL
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机译:CAD模型的自动参数化
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摘要
A CAD model comprises a set of at least three subentities. A candidate set of pairwise numerical constraints is obtained for the set of subentities, such that a first graph, representing the subentities of the set of subentities as nodes and the pairwise numerical constraints of the candidate set as edges, is connected. A minimal spanning subset of pairwise numerical constraints is obtained from the candidate set, such that a second graph, representing the subentities of the set of subentities as nodes and the pairwise numerical constraints of the minimal spanning subset as edges, is a spanning tree. A parameter set to parameterize the pairwise numerical constraints of the minimal spanning subset is determined. The parameter set and parametric constraints, based on the parameter set and the numerical values of the numerical constraints of the minimal spanning subset, are added to the CAD model.
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