viewifc.com IFC Site Context — output guarantees viewifc.com — AGPL-3.0 (tool). Data under the source licences written in each file. 1.0.0 Context terrain and buildings generated from open data (AWS Terrain Tiles, Overture Maps). Every element carries its provenance; the site carries CRS, attribution and disclaimer. info@viewifc.com 2026-09-25 Context model for federation with design models IFCSITE ViewIFC_Provenance Generator ViewIFC_Provenance CRS ViewIFC_Provenance GeoreferencingMode ViewIFC_Provenance ExtractedArea ViewIFC_Provenance Attribution ViewIFC_Provenance Disclaimer IFCSITE ePSet_MapConversion Eastings ePSet_MapConversion Northings ePSet_ProjectedCRS Name IFCGEOGRAPHICELEMENT TERRAIN ViewIFC_Provenance Source ViewIFC_Provenance VerticalDatum ViewIFC_Provenance IsSurfaceModel ViewIFC_Provenance SimplificationTolerance IFCBUILDINGELEMENTPROXY ObjectTypeTERRAIN ViewIFC_Provenance Source ViewIFC_Provenance IsSurfaceModel IFCBUILDINGELEMENTPROXY ObjectTypeCONTEXT_BUILDING Name ViewIFC_Provenance Source ViewIFC_Provenance SourceId ViewIFC_Provenance SourceRelease ViewIFC_Provenance License ViewIFC_Provenance HeightValue ViewIFC_Provenance HeightMethod IFCBUILDINGELEMENTPROXY ObjectTypeCONTEXT_BUILDING IFCBUILDINGELEMENTPROXY USERDEFINED IFCBUILDING Name