基于Vrml的不规则形体的交互式生成方法

针对不规则形体没有适当的数学模型，大多数编程语言和图形软件不提供其直接生成功能的问题，提出了一种基于Vrml的不规则形体的交互式生成方法，并讨论了实现这个方法的几个技术问题：Vrml语言中的交互机制；对形体和形体上的点的拾取；作为不规则形体初始结构的建立；体现用户想象的对形体的编辑操作.并以此方法为基础开发了一个不规则形体交互式生成的工具，给出了应用效果.

Interactive generating technology of irregular solid based on Vrml

There is no proper mathematical model for irregular solid,and most of programming language and 3-D graphics software can't offer the directly generating function for irregular solids.Aiming at the problem,an interactive generating method for irregular solid base on Vrml was proposed.Several technical issues for realizing the method,such as interactive mechanism in Vrml language,picking of both solid and point of solid,establishment of a data structure for preliminary irregular solid structure,and edit operation of supporting user's imagination to the solid,were investigated.Base on the given method,an interactive tool for generating irregular solid has been developed,and the effects of some instances using the tool are given.