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X3D Example Archives: Conformance Nist, STEP, CTC 01

[1] NistCtc01Asme1Ap203Cadex.x3d Oblique view
Chapter Viewpoint Slideshow

NIST MBE PMI Validation and Conformance Testing Project Complex Test Case 1.

Test case design considerations. Each test case contains PMI annotations for geometric tolerances, dimensional tolerances, datum targets, and datum features that are applied to discrete-part geometry models. A fully-toleranced test case (FTC) has all geometric features fully-toleranced, i.e. controlled and constrained, and accounts for all hierarchical interrelationships. The PMI annotations for a combined test case (CTC) are not complete specifications of PMI for the part and not intended to be fully-toleranced.

The U.S. National Institute of Standards and Technology (NIST) Model Based Engineering (MBE) Product and Manufacturing Information (PMI) Validation and Conformance Testing Project has been extended in these examples to further test conformance of tools converting CAD models into X3D Graphics models. Web publication using X3D is suitable for visualization, composition, 3D printing, linking of precision metadata, and contextual presentation of model annotations.

Key reference: Robert R. Lipman and James J. Filliben, Guide to the NIST PMI CAD Models and CAD System PMI Modeling Capability Verification Testing Results Technical Report 100-10, 5 October 2017.

Abstract. This guide contains supplemental information for the NIST MBE PMI Validation and Conformance Testing Project. It is assumed that the reader has some familiarity with the project including the test cases and test results. The project created a test system to measure conformance of Computer-Aided Design (CAD) software to American Society of Mechanical Engineers (ASME) standards for product and manufacturing information (PMI), specifically geometric dimensioning and tolerancing (GD&T) information. The test system has three main components: test cases, test CAD models, and verification and validation test results. The verification and validation results measure PMI implementation capabilities in CAD software and derivative STEP, JT, and 3D PDF files. The information relating to the test case descriptions and verification results that can be used to: (1) provide insights into the test cases, PMI annotations, and verification testing results, and (2) inform future testing projects in the development of test cases and testing procedures and criteria.

X3D Tooltips of interest: CADAssembly, CADFace, CADLayer, CADPart.

X3D Specification sections of interest: 7 Core component, 7.1 Node reference (Metadata nodes), 32 CAD geometry component and Annex H CADInterchange profile.

X3D Examples Archives of related interest:

3 X3D Scenes                 2 Viewpoint Snapshots

NistCtc01Asme1Ap203Cadex
Nist Ctc 01 Asme 1 Ap 203 Cadex.x3d    
[1] NistCtc01Asme1Ap203Cadex.x3d Oblique view
[2] NistCtc01Asme1Ap203Cadex.x3d (default X3D view from 0 0 10)

NistCtc01Asme1Ap203Occ
Nist Ctc 01 Asme 1 Ap 203 Occ.x3d    
[3] NistCtc01Asme1Ap203Occ.x3d Oblique view
[4] NistCtc01Asme1Ap203Occ.x3d (default X3D view from 0 0 10)

NistCtc01Asme1Ap203Spri
Nist Ctc 01 Asme 1 Ap 203 Spri.x3d    
[5] NistCtc01Asme1Ap203Spri.x3d Oblique view
[6] NistCtc01Asme1Ap203Spri.x3d Top
[7] NistCtc01Asme1Ap203Spri.x3d Bottom
[8] NistCtc01Asme1Ap203Spri.x3d Right side
[9] NistCtc01Asme1Ap203Spri.x3d (default X3D view from 0 0 10)
 

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