Geometry Services for ISO 10303 – STEP standards linking product definition, management and visualization in the value chain Jean Brangé : Jean.brange@boost-conseil.com Project leader ISO_NP TS 23301 STEP Geometry Services KickOff April. 24th 2018

Would we dare to define 3D visualization ? entertain 3D visualization as the visual presentation on a screen or another media of graphical and textual 3 dimensional representations of a set of data representing objects, information or results of a computational process in order to: facilitate capture of the understanding of the object, for visual information sharing with users and sometimes to promote decision process by a human looking at the data visualized in a medium objects learn information compare view understand decide April. 24th 2018 STEP Geometry Services KickOff

Visualization in the STEP Framework Requirements STEP provides a data model which integrates the whole data landscape for the product development, manufacturing operations and maintenance. The concept of multiple representations of the product, including multiple geometrical representations allows us to define an optimized visualization model with links to the rest of the data model. The model based STEP framework allow us to ensure consistency of the integrated information model and the corresponding implementation forms. metadata activities & process planning documents simulations product structures configuration management materials alternate representations geometry primitives PMI AP242 3D geometry tesselation B-Reps CSG 2D parametric optimized representation for visualization April. 24th 2018 STEP Geometry Services KickOff

STEP Geometry Services KickOff Analysis Promoting the re-use of the rich integrated STEP data model in the enterprise processes has great value There is a confirmed opportunity for industry to have a structured approach on 3D product visualisation and to enable integration of product data in visualization application across the life cycle of the product in all the activities of the enterprise. Use cases exist related with the visualization of product data other that geometry (meta data, production data, financial data ...)  Need for STEP interfaces for geometry and other STEP data access (OSLC ? MOSSEC approach? ) There is also a need for a simple STEP geometry schema and associated API , with and without PMI (integration with STEP New Architecture ? )  Requirements for a STEP AP242 geometry conformance classes using the STEP New Architecture April. 24th 2018 STEP Geometry Services KickOff

Role of STEP in a Product Data visualization framework 3D Printing for training Use Cases marketting Product data navigation Virtual & augmented reality for Maintenance 3D Scanning With links to Product data CAD + PDM + PLM + Assets + ALM + … STEP subset for simple CAD geometry optimized representation for visualization STEP IR Model translations AP242 Specific Conformance class LF selection Model transformation STEP tesselation Language Transformation ? Containerization ? Web services? Other light Visualization format "Technology Trend Report on 3D Printing and Scanning" JAG report to JTC-1 describes numerous standards group, notes many opportunities for cooperation, and recommends JTC-1 leadership through creating a Study Group for collaborating standards. Is there an opportunity of a JWG on visualization along ISO TC ? X3D viewer JT viewer 3D PDF viewer Collada Tesselation Breps ULP (optimi. Brep- Canonical Metadata / PMI U3D / PRC Tesselation Breps Metadata / PMI Document integration Tesselation Canonical primitives metadata interactive 3D applications Tesselation Breps Meshes Kinematics Morphing Collision April. 24th 2018 STEP Geometry Services KickOff

STEP Geometry Services KickOff 3D PDF & STEP Next version of ISO 32000 (-3?) PDF will include a container for STEP geometry The strong liaisons between TC 184/SC 4 and TC 171/SC2 is making this activity much easier. Ad Hoc group has delivered a report on how to integrate STEP into PDF. TC 171/SC2 will contribute to the SC 4/WG 16 work. April. 24th 2018 STEP Geometry Services KickOff

STEP Geometry Services KickOff Proposed workplan T0 T0+6 T0+12 T0+18 T0+24 T0+30 T0+36 IS 1 CD Ballot DIS Ballot 2 WD 3 CD Ballot DIS Ballot IS 4 SC4 Beijing SC4 US SC4 SE SC4 FR JT CD Ballot Produce an minimal STEP geometry schema for Brep only extracted from 2013 243 schema (specific AP Brep) [6 months] Develop a reference implementation of an SDAI for the AP Brep with an in-memory data [18 months] Specify a Dublin Core for CAD (mandatory properties to qualify a geometric model) [12 Months] Specify a set of services definitions (signatures) to query the above model [12 months] April. 24th 2018 STEP Geometry Services KickOff