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what is data unificationto optimize the upr data structures during design we study the semantics of each data type of the supported cad systems and
universal support of data typesto address inherent functional incompatibilities we take the exact opposite route to the least common denominator
what is uprnovel architecture for complete cad data exchange called the universal product representation
determine the types of evolutionary cad applications evolutionary cad applications supporting design can be categorized into three types -
standard for the specific standard technical areasthese norms are based on previously described models typical categories of these norms area
standards for product modeling the models include a a presentation model which defines the type of presentation of information for instance how
define the components in the step standardthere are many components in the step standardi the first component discusses the purpose of the standard
what is stepthe step standard for external representation of product data project is supported by the iso workgroup tc 184sc4 it is also sometimes
what are the capabilities of stepindustry-developed step capabilitiesap-203 configuration control for 3d design of mechanical parts and assemblies
define the process of step communitythe step community is in the process of defining and standardizing a number of domain-specific mechanical or
determine the origin of stepconsiderable progress has been made in vector data exchange over the recent past initially some cadcam vendors offered
work related area of cadwork related to the following areas has been addressed in this interface investigation of cad data structures and the
problems to improve the deficirncies of igeswithin the framework of this interface an attempt was to be made to improve the deficiencies of iges set
cadi interfacethe cadi interface was developed within the framework of the esprit project 322 of the european commission the project was started in
verband der automobilindustries flachenschnittstelle vdafsthis interface was developed by the association of the german automobile industry for the
different types of information units of cadthere are different types of information units defined they are class 0the geometric primitives needed for
standard for exchange and transfer setthe interface set is a standard for the exchange of all data which is generated for cadcam it is a french
a special feature of the pdesa special feature of the pdes development is the use of the formal language express for modeling the product information
what is the aim of pdesthe aim of pdes is to provide an interface which permits the exchange of data of the entire product development cycle and
state the product data exchange specificationsin may 1984 a late night meeting of the iges organization edit committee was heldthe outcome the boeing
drivers for a common international standardthe drivers for a common international standard included global commerce and data exchange increasingly
product data exchange specifications pdesby 1984 many of these international efforts had produced enough results to be compared and an international
illustrate the specification of pddii the 3-d geometry of the product which is defined by a set of curves surfaces and volumesii the topology
when was pddi developedthe pddi interface was developed in connection with the icam project which was funded by the air force in order to improve the
what is conformance testingconformance testing there was no mechanism for testing processors or resolving errors between two