【摘要】 本文描述了一种基于图形数据，利用约束网络来实现约束传递，进而达到参数驱动的参数化设计方法。该方法实现简单，已用于图形建库工具更多还原

【Abstract】 This paper describes a method based on graphics data which applys constraint network to transfer constraints and realizes parametric design with parameter driven.This method is simple and has been used as a tool for building drawing library.更多还原