【摘要】 参数化设计是目前CAD发展的主流方向。本文通过对各种参数设计方法分析的基础上,提出一个基于几何约束图的参数化设计模型,并给出参数化模型的数据结构和约束求解算法。此算法可以有效地检查系统的过约束和欠约束情况。更多还原

【Abstract】 The method of constraint solving based on graph is the main method of parametric design. The method has been applied to many items of commercial software. This paper introduces a parametric design model based constraint graph and presents the data construct of parametric model and the method of constraint solving.更多还原