3D-GD&T™ Editor Software: Apply, Model, Edit PMI and GD&T in 3D – 3D STEP Model Viewer Software

Enhanced 3D-GD&T™ Modeling Capabilities!

New for Advanced Dimensional Management LLC!

News Release

GD&T Editor Slide 2015 - 150Advanced Dimensional Management LLC now offers the IDA-STEP GD&T Editor, Viewer Pro, and Viewer Basic software as part of our line of GD&T, tolerance analysis, and dimensional management products.

GD&T Editor

Model Annotated with GD&T Editor

According to Bryan R. Fischer, president of Advanced Dimensional Management LLC, “The IDA-STEP Viewer Pro and the GD&T Editor are exciting products that will revolutionize our clients’ workflow, data access, and data modeling capabilities. We’ve modeled the GD&T Editor to conform to the applicable ISO and ASME standards, including ASME Y14.5, ASME Y14.41, ISO 286, ISO 1101, ISO 5459, ISO 14405-1, ISO 16792, and many others. We have helped to develop this software and we are very proud to offer these products. These products will help our clients to evolve their operations for the 21st century. This is an exciting time. This is a new way to work.”

These products allow you to work on dimensioning and tolerancing and GD&T in a 3D context without doing the work in a traditional CAD system. This can save an organization thousands of dollars per seat for certain tasks that traditionally have been done in a 2D context or outside of a CAD system. Why work in 2D with redundant error-prone data when you can work in 3D with fully-semantic GD&T and PMI data? Why risk the errors of remodeling the geometry, marking up drawings, or starting over when you can leverage the 3D model data from your design organization or customers? Why markup your client’s 2D drawings when you can share your comments, observations, and recommendations right on the 3D model? Use the 3D model data you already have. Apply fully-semantic GD&T to any model you receive from your customers. Need to make a correction or request for changing a tolerance or GD&T scheme? The GD&T Editor is the perfect tool. Need to reduce tolerance values, optimize, or restructure the GD&T to suit your manufacturing process? Need to redo the dimensioning and tolerancing or GD&T for input to analysis software? The GD&T Editor is the perfect tool.

There are many possible uses for the GD&T Editor, Viewer Pro, and Viewer Basic software. We are out to revolutionize your way of doing business.

IDA-STEP GD&T Editor Software

GD&T Editor Software

GD&T Editor Software

The IDA-STEP GD&T Editor is the first STEP-based software tool for importing, modeling, displaying, and exporting 3D-GD&T™ and PMI information that follows the rules of ASME and ISO GD&T and GPS standards, such as ASME Y14.5-2009, ISO 1101:2004, ISO 1101:2012, ISO 5459:2011, and many others. The GD&T Editor uses and works with neutral file formats established in the ISO 10303 standards governing STEP data formats, including ISO 10303-203 (ed2), ISO 10303-214, ISO 10303-242 (AP242) and others.

The IDA-STEP GD&T Editor brings new capabilities to add and edit dimensioning and tolerancing, GD&T, and Product and Manufacturing Information (PMI) to 3D STEP models. Now GD&T and PMI can be added to and edited on the same data model that is used in analysis, manufacturing, inspection and other processes that traditionally use drawings and CAD model data. This is an essential component of working in a Model-Based Design (MBD) Context. Why put GD&T on a drawing, only to later have to translate and copy it into another system? Why introduce extra steps and chances for error? Why not use 3D STEP data throughout the process?

GD&T and annotation have traditionally been applied to 2D drawings. Drawings are created to be used by people, and people must interpret and translate the specifications so they can be used in various processes. 3D CAD systems have advanced the state of the art, and now most or all product design engineering is done in a 3D context. However, today most 3D data is purely model data – it is the geometric data that represents the part or assembly (the product). This model data traditionally has not included annotations or PMI.

2D drawings have been used for many years, but using design engineering data downstream has always been problematic. The engineering drawing had to be translated, by a person, and that translated data reentered into another system for analysis, manufacturing, inspection, etc. This process is fraught with problems and opportunities for error, such as accidentally omitting data or transposing numbers. Any time data is manually-reentered, mistakes may be made.

Working Directly in 3D, Working Directly in STEP

The GD&T Editor works in the IDA-STEP 3D Viewer environment. The user works with neutral, standardized STEP data as a 3D model. The GD&T Editor allows users to visually add or edit GD&T and PMI data directly on the 3D STEP model. This is the same 3D STEP model that is used in downstream processes, such as analysis (FEA, CFD), manufacturing (CAM), inspection (CAI), and other applications.

Users will find the GD&T Editor easy-to-understand, easy-to-use, powerful, and very convenient. Working in 3D with a 3D view of the STEP file is very intuitive. Users will be comfortable entering the PMI data in a familiar way using presentation mode, while the semantic model is automatically constructed in the background. Overall, the GD&T Editor promises not only to be a great tool, but a great way to improve productivity. Perhaps the biggest benefit is that the GD&T and other PMI data is stored in the STEP model as more than just lines and text – not only is the data presented so it is easily understood by a person viewing the model, the data is stored in a computer-readable format.

Presentation and Representation

GD&T Editor Interface

GD&T Editor Interface

There are two components to the PMI and GD&T used in engineering product documentation: how the data is presented, including its format, layout, the symbols used, etc.; and what the data means, its underlying mathematical, logical, and legal meaning.

Presentation data is for human consumption. It is visible data, presented as notes, dimensions and tolerances, GD&T symbols, surface texture symbols, etc. The data is understood by reading a drawing or an annotated model and correlating it with the applicable specifications and standards. With presentation data, the layout and format of the information is extremely important. Moving a note or a tolerance to a different view, or rotating a dimension 90º generally changes the meaning of the data. Presentation data does not contain its meaning – the meaning of the presentation data must somehow be derived by a human.

Representation data refers to the semantic meaning of the data. It represents the underlying meaning in logical, mathematically accurate terms. The meaning of representation data for GD&T and PMI does not rely on how it is presented on a drawing or an annotated model. Representation data is independent of presentation. Representation data is not for human consumption; it is for consumption by software. Other programs and processes can use the representation data directly without human intervention.


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Using the GD&T Editor

The GD&T Editor allows users to apply GD&T and other PMI using simple, presentation-oriented methods in a 3D context. The 3D STEP model is displayed in the viewer window, the user applies GD&T and other PMI graphically to the model, and the underlying semantic representation of the data is automatically generated and stored in the STEP model. The process is very similar to putting GD&T on a drawing, but it is done in a 3D context, and the data does not need to be translated into STEP – it is already properly formatted STEP data. The process is very intuitive.

Data may be entered using pull down menus or context-sensitive left-click menus. Users may select the method that they find most comfortable. Starting from scratch with a non-annotated model? Defining a complete GD&T scheme with the GD&T Editor is straightforward and follows a logical process. Do you need to make a change? Making changes to GD&T and PMI with the GD&T Editor is easy. Do you need to add some GD&T or a note to a model? The GD&T Editor makes it easy.

It’s All Based on Standards

One of the defining attributes of the GD&T Editor is that it is based on and conforms to applicable ISO and ASME standards. By extension from the ISO standards, it is also conforms to many other international standards, such as DIN, BSI, etc.

First of all, the GD&T Editor works with STEP files. STEP is a neutral file format defined in the ISO 10303 series of standards. IDA-STEP and the GD&T Viewer conform to several STEP variants, including AP203, AP214, and the soon-to-be-released AP242. Users can open and save files in these formats. And there are many programs that can import, read, and use these files directly.

The GD&T Editor supports GD&T and other PMI based on ISO standards and GD&T and PMI based on ASME standards. The user can easily set ISO or ASME as the default format.

GD&T and other PMI are defined in ISO and ASME standards, such as ISO 1101, ISO 14405-1, and ASME Y14.5 respectively. There are many other ISO and ASME standards that define other PMI annotations. The GD&T Editor is built to support these standards. ISO 1101, ISO 14405-1, and ASME Y14.5 define the meaning of the GD&T and Dimensioning and Tolerancing specifications. These standards also set many of the rules for applying and formatting GD&T and PMI, which apply to 2D drawings and annotated 3D models.

There is another layer of standards that govern 3D model structure, presentation of GD&T and other PMI in a 3D model-based context. These are the ISO 16792 and ASME Y14.41 standards. The GD&T Editor supports these standards as well. For example, the GD&T Editor supports creating and editing on multiple annotation planes.

Features of GD&T Editor, Viewer Pro, and Viewer Basic

Try it Out

So, what are you waiting for? It’s time to try the GD&T Editor. Do you want to annotate 3D models but don’t want to buy expensive CAD software? With the GD&T Editor, you don’t need CAD to work with 3D models and GD&T. You can work with STEP files from any CAD system and annotate them as needed. Remember, the GD&T and PMI is semantically-modeled. That means you can use that data in programs written to consume that data. Without translation. Without additional errors.

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