标准摘要
[中文适用范围]: ISO 10303 的这一部分指定了用于表示程序或构造历史类型模型的资源构造,根据用于构建它们的构造操作的顺序来定义。 此处未指定操作本身的表示;本文档中提供的机制允许使用 ISO 10303 其他部分中定义的实体数据类型来实现此目的(请参阅第 4.2.5 条)。 以下内容属于 ISO 10303 本部分的范围: ——用于生成任何类型的显式表示或模型的构造操作序列的规范; ——构造序列的层次结构; ——在构造序列中嵌入明确定义的元素以表示混合模型; ——使用 ISO 10303 其他部分的表示项定义来表示这些表示项实例的构造操作; ——通过将程序模型与显式“当前结果”模型关联来定义双重表示,后者作为前者定义的参数模型系列的代表性示例; ——设计原理信息与程序模型的关联; ——在程序模型中,通过从发送系统中模型的视觉显示中交互拾取而选择的显式元素的识别; ——在程序模型中识别可以出于模型简化目的而抑制的构造操作; ——上述功能的专业化,用于形状模型的程序表示。 以下内容超出了 ISO 10303 本部分的范围: ——基于用于创建显式模型的程序序列的详细信息对显式模型的元素进行“持久命名”的任何机制; ——“宏”功能需要使用控制结构,例如 IF...THEN...ELSE 或 REPEAT...UNTIL。 这种结构在 ISO 10303-11 中定义,用于本地和全局规则,但本文档中没有提供类似的工具来允许过程模型中的条件操作。 [外文原描述]: ISO 10303-55:2005 specifies resource constructs for the representation of models of the procedural or construction history type, defined in terms of the sequence of constructional operations used to build them. Representations of the operations themselves are not specified here; the mechanisms provided in this document allow the use of entity data types defined in other parts of ISO 10303 for that purpose.The following are within the scope of ISO 10303-55:2005: the specification of sequences of constructional operations for the generation of any kind of explicit representation or model; the hierarchical structuring of constructional sequences; the embedding of explicitly defined elements in constructional sequences for the representation of hybrid models; the use of representation_item definitions from other parts of ISO 10303 to represent constructional operations for instances of those representation_item s; the definition of a dual representation by association of a procedural model with an explicit "current result" model, the latter acting as a representative example of the parametric family of models defined by the former; the association of design rationale information with a procedural model; the identification, in a procedural model, of explicit elements selected by interactive picking from the visual display of the model in the sending system; the identification, in a procedural model, of constructional operations that can be suppressed for purposes of model simplification; specialization of the foregoing capabilities for the procedural representation of shape models.
英文名称Industrial automation systems and integration — Product data representation and exchange — Part 55: Integrated generic resource: Procedural and hybrid representation