摘要： Ｉｎｔｒａ３Ｄ是面向ＰＣ的交互式三维图形软件开发工具，其特色是：（１）体系结构分４层设计；（２）提供可重用的类库与ＣＯＭ库，支持多种语言应用编程；（３）全部源程序开放．着重论述Ｉｎｔｒａ３Ｄ的软件工程方法与体系结构设计，并介绍了 Ｉｎｔｒａ３Ｄ ２．０软构件库的主要功能。

关键词: 开发工具, 软件工程, 体系结构, 软件重用, 软构件

Abstract: Intra3D is an interactive 3D toolkit for PC applications. The main feature of Intra3D is: (1 )The Architecture is composed of four layers: (2) Provides both class library and COM library, supports multi-language programming; (3) All source code is free. This paper mainly discusses the software engineering method and architecture design or Intra3D. The main function of software component library of Intra3D 2.0 is also introduced.