The Open Geospatial Consortium (OGC) seeks public comment on version 1.3 of the OGC Indexed 3d Scene Layer (I3S) and Scene Layer Package Format Community Standard.
Version 1.3 adds support for Building Scene Layers. Building Scene Layers are derived from Building Information Models (BIM) and/or other 3D building data. Comments are due by September 18, 2022.
I3S is designed to enable the streaming and storage of arbitrarily large amounts of 3D geographic data. An I3S dataset, referred to as a Scene Layer, can consist of millions of discrete 3D objects with attributes, integrated surface meshes, symbolized points, or point cloud data covering small to extensive geographic areas. Designed for performance and scalability, a scene layer enables the efficient encoding and transmission of 3D geospatial content for an interactive visualization experience on web browsers, mobile, and desktop apps for both offline and online access.
I3S is web and cloud friendly and is rooted in modern standards and technological advancements in the areas of 3D graphics, data structuring, and mesh and texture compression.
Version 1.3 of the OGC I3S Community Standard adds support for Building Scene Layers (BSL). A Building Scene Layer is a 3D representation of a building model. A building model may be derived from 3D construction content, such as BIM data, or from a relational database model that contains 3D spatial information. The I3S BSL capability is designed to model the organization of construction data by grouping content into standard engineering disciplines. Content in a BSL may represent a partial building, an individual building, or multiple buildings on a campus.
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