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Altium Designer® offers a unified design environment, empowering engineers with a single view of every aspect of the PCB design process from schematic. Released: 18 January – Version: (build ) It is not possible to update to Altium Designer 17 from an earlier version, a new installation.



ISO is an ISO standard for the computer -interpretable representation and exchange of product manufacturing information. The international standard ‘s objective is to provide a mechanism that is capable of describing product data throughout the life cycle of a product , independent from any particular system.

The nature of this description makes it suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases and archiving.

STEP addresses product data from mechanical and electrical design, geometric dimensioning and tolerancing , analysis and manufacturing, as well as additional information specific to various industries such as automotive , aerospace , building construction , ship , oil and gas , process plants and others. The evolution of STEP can be divided into four release phases. In the second phase the capabilities of STEP were widely extended, primarily for the design of products in the aerospace, automotive, electrical, electronic, and other industries.

A major problem with the monolithic APs of the first and second releases is that they are too big, have too much overlap with each other, and are not sufficiently harmonized. These deficits led to the development of the STEP modular architecture and series.

The SMRL will be revised frequently and is available at a much lower cost than purchasing all the parts separately. In December , ISO published the first edition of a new major Application Protocol, AP Managed model based 3d engineering , that combined and replaced the following previous APs in an upward compatible way:.

AP was created by merging the following two Application protocols:. AP edition 2, published in April , extends edition 1 domain by the description of Electrical Wire Harnesses and introduces an extension of STEP modelisation and implementation methods based on SysML and system engineering with an optimized XML implementation method.

This new edition contains also enhancements on 3D Dimensioning and Tolerancing, and Composite Design. New functionalities are also introduced like:. In total STEP consists of several hundred parts and every year new parts are added or new revisions of older parts are released. Each part has its own scope and introduction. The APs are the top parts. They cover a particular application and industry domain and hence are most relevant for users of STEP.

Every AP defines one or several Conformance Classes, suitable for a particular kind of product or data exchange scenario.

To provide a better understanding of the scope, information requirements and usage scenarios an informative application activity model AAM is added to every AP, using IDEF0. These interpreted models are constructed by choosing generic objects defined in lower level data models 4x, 5x, 1xx, 5xx and adding specializations needed for the particular application domain of the AP.

The common generic data models are the basis for interoperability between APs for different kinds of industries and life cycle stages. The requirements of a conformant STEP application are:.

But because the development of an ATS was very expensive and inefficient this requirement was dropped and replaced by the requirements to have an informal validation report and recommended practices how to use it. Today the recommended practices are a primary source for those going to implement STEP.

Originally its purpose was only to document high level application objects and the basic relations between them. There is a bigger overlap between APs because they often need to refer to the same kind of products, product structures, geometry and more. And because APs are developed by different groups of people it was always an issue to ensure interoperability between APs on a higher level. The Application Interpreted Constructs AIC solved this problem for common specializations of generic concepts, primarily in the geometric area.

Modules are built on each other, resulting in an almost directed graph with the AP and conformance class modules at the very top. The modular APs are:. They both use ISO as their common reference data library or dictionary of standard instances.

A further development of both standards resulted in Gellish English as general product modeling language that is application domain independent and that is proposed as a work item NWI for a new standard. The original intent of STEP was to publish one integrated data-model for all life cycle aspects. But due to the complexity, different groups of developers and different speed in the development processes, the splitting into several APs was needed.

But this splitting made it difficult to ensure that APs are interoperable in overlapping areas. Main areas of harmonization are:. STEP programs. From Wikipedia, the free encyclopedia. ISO standard. This article includes a list of general references , but it lacks sufficient corresponding inline citations. Please help to improve this article by introducing more precise citations. January Learn how and when to remove this template message.

The CAD guidebook : a basic manual for understanding and improving computer-aided design. New York: Marcel Dekker. ISBN OCLC Handbook of Materials Selection. This project is the primary U. Fourteen international standards have been created as a result of this effort. October 1, Journal of Computing and Information Science in Engineering. ISSN Powers, Shelley Practical RDF. Kemmerer, Sharon , ed.

Feeney, Allison Barnard Vector graphics markup languages and file formats. ISO standards by standard number. CAD software. History of CAD software. Hidden categories: Articles with short description Short description is different from Wikidata Articles lacking in-text citations from January All articles lacking in-text citations.

Namespaces Article Talk. Views Read Edit View history. Help Learn to edit Community portal Recent changes Upload file. Download as PDF Printable version. Wikimedia Commons.


Downloads for PCB Design Products and EDA Software | Altium – Import STEP files

Mar 04,  · The difference between the Define Board Shape from Selected Objects command and the Create Board Region from Selected Objects command is that the first command replaces all existing Board Regions with the new region that is created when the command is run, whereas the second command creates an additional Board Region, without removing any existing . May 24,  · If you are an administrator for your account with Altium, you have access to the Altium Dashboard provides you with a number of tools with which to view and manage your account – from the general-level details regarding your organization, through to the creation and management of users (and specific groups of users) associated to your account, . pcb联盟网是专注于pcb设计的电子技术论坛,pcb工程师喜爱的pcb资源下载站;行业前列的pcb培训机构,受欢迎的pcb视频教程.

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