【英文标准名称】:Industrialautomationsystemsandintegration.Productdatarepresentationandexchange.Integratedgenericresources:Representationstructures
【原文标准名称】:工业自动化系统和集成.产品数据表述和交换.一般集成资源:表述结构
【标准号】:BSISO10303-43-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-10-15
【实施或试行日期】:1995-10-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:自动化;自动化系统;基础;计算机辅助设计;计算机应用;数据元;数据表示;工业产品;信息交流;原理;产品数据;产品说明;表示法;STEP;结构
【英文主题词】:Automation;Automationsystems;Basis;Computeraideddesign;Computerapplications;Dataelements;Datarepresentation;Industrialproducts;Informationexchange;Principle;Productdata;Productdescriptions;Representations;STEP;Structure
【摘要】:ThispartofISO10303specifiestheresourceconstructsthatgroupelementsofproductdataintocollectionsinordertodescribeaspectsofproducts.ThispartofISO10303isapplicabletothedescriptionofpropertiesofproducts.ThefollowingarewithinthescopeofthispartofISO10303:—thespecificationofcontextsforrepresentation;—thespecificationofelementsofrepresentation;—theassociationofelementsofrepresentationwithoneormorecontextsinwhichtheyarecombinedtorepresentaconcept;—theassociationofelementsofrepresentationsuchthatonedefinesanother;—astructureforrelatingtworepresentationssuchthatoneparticipatesinthedefinitionoftheother;—astructureforrelatingtworepresentationsinwhichonedoesnotparticipateinthedefinitionoftheother;—constraintstopreventtherecursivedefinitionofinstancesofanelementofrepresentation;—thespecificationofthetransformationofoneelementofrepresentationtoanotherbyspecifyingtheinputandoutputofthetransformation;—thespecificationofthetransformationofoneelementofrepresentationtoanotherbyspecifyingthetransformingfunction.ThefollowingareoutsidethescopeofthispartofISO10303:—thecompletespecificationoftypesofrepresentation,typesofelementsofrepresentation,andtypesofrepresentationcontext;—thespecificationoftheusesofrepresentation;—theassociationofrepresentationwithanyofitspossibleuses;—constraintsrequiringadirectedrelationshipbetweenrepresentations;NOTEAdirectedrelationshipexistsbetweenitemsAandBifthemeaningoftherelationshipofAtoBisdifferentfromthemeaningofBtoA.AandBarepeersinanon-directedrelationship.AdirectedrelationshipcanbespecifiedinanannotatedEXPRESSschemathatusesorspecializesthisschema.—constraintsforbiddingcyclicstructuresofrelatedrepresentations;—constraintsrequiringadirectedrelationshipbetweenthecontextsinwhichrelatedrepresentationsexist;—constraintsforbiddingcyclicstructuresofrelationshipsbetweenrepresentationcontexts.
【中国标准分类号】:N10
【国际标准分类号】:35_240_50
【页数】:40P.;A4
【正文语种】:英语