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首页> 外文会议>World Multiconference on Systemics, Cybernetics and Informatics and 5th International Conference on Information Systems Analysis and Synthesis Vol.7: Industrial Systems, Jul 31-Aug 4, 1999, Orlando, Florida >Towards a Standardized CAD Modeler API
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Towards a Standardized CAD Modeler API

机译：迈向标准化CAD Modeler API

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摘要

The international standard ISO 10303 for the exchange of product models and associated data between different CAD and other engineering systems was first issued in 1994. This paper reports on current work on extending the standard to enable the capture and transfer of parametrized CAD models with geometric constraints, a capability not provided in the initial release. This will allow the transmission of 'behavioral' information with the exchanged model. Two complementary approaches are being worked on. The first aims to add supplementary data to the types of explicit models that can currently be exchanged. The second is more radical; its objective is to transfer CAD models in procedural form, i.e., expressed in terms of the sequence of operations used to construct them. The paper concentrates on the second approach, which is characteristic of the primary model representation used by many modern CAD systems. It is shown that the requirements for a standard in this area are virtually identical with those for a standardized API for CAD modelers. Previous work in the latter area is surveyed, to determine whether there exists a suitable basis for the ISO 10303 work, and progress and technical problems are reviewed.
机译：1994年首次发布了国际标准ISO 10303，用于在不同的CAD和其他工程系统之间交换产品模型和相关数据。该论文报告了当前为扩展该标准而进行的工作，以便能够捕获和传递具有几何约束的参数化CAD模型。 ，初始发行版中未提供的功能。这将允许使用交换的模型传输“行为”信息。正在研究两种互补的方法。第一个目标是将补充数据添加到当前可以交换的显式模型的类型中。第二个更激进。其目的是以程序形式转移CAD模型，即以构造模型的操作顺序表示。本文着重于第二种方法，这是许多现代CAD系统使用的主要模型表示的特征。结果表明，该领域对标准的要求实际上与对CAD建模者的标准化API的要求相同。对后者的先前工作进行了调查，以确定是否有适合ISO 10303工作的基础，并审查了进展和技术问题。

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