| 机械产品CAD中图形数据的管理 |
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| 引用本文： | 秦友淑,卢正鼎,杨薇薇,曾昭苏.机械产品CAD中图形数据的管理[J].华中科技大学学报(自然科学版),1992(3). |
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| 作者姓名： | 秦友淑 卢正鼎 杨薇薇 曾昭苏 |
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| 作者单位： | 华中理工大学计算机科学与工程系
(秦友淑，卢正鼎，杨薇薇)，华中理工大学计算机科学与工程系(曾昭苏) |
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| 基金项目： | 机电部“七五”国家重点科技攻关项目中的一个开发研究课题 |
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| 摘 要： | 本文以WTCAD系统为例,分析了在机械产品计算机辅助设计应用系统中,用户对于图形数据管理性能上的需要以及原有支撑软件系统的不之足处;在以现有的分离系统为支撑环境的条件下,针对机械产品CAD提出了利用关系数据库技术管理用户图形的方法和技术;阐述了图形数据库的设计原理和数据库接口的实现方法.
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| 关 键 词： | 计算机辅助设计 分离系统 图形 数据库管理 数据连接 接口 |
Graphic Data Management in Computer-Aided Design for Machine Products |
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| Qin Y oushu Lu Zhengding Yang Weiwei Zeng Zhaosu.Graphic Data Management in Computer-Aided Design for Machine Products[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1992(3). |
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| Authors: | Qin Y oushu Lu Zhengding Yang Weiwei Zeng Zhaosu |
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| Institution: | Qin Y oushu Lu Zhengding Yang Weiwei Zeng Zhaosu |
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| Abstract: | It seems that so far no ideal engineering database management system is available for the graphic and nongraphic data in engineering design in a centralized and unified way. The performance of currently used separated supporting software systems cannot meet the user need for graphic data management. To remedy such a situation, the method and technique used in the management of graphic data in machine product CAD by the relational database technology are presented. The synchronous display of graphic and nongraphic data as well as the hierarchical management of user graphics are satisfactorily handled with the method proposed. |
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| Keywords: | computer-aided design separated supporting software system graphic database management synchronous display hierarchical management |
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