GB/T 40771-2021
ActiveRepresentations of 3D features of urban real estate
城市不动产三维空间要素表达
Application Summary AI generated
GB/T 40771-2021 specifies the methods and rules for representing three-dimensional spatial features of urban real estate, including geometric models, attribute encoding, and coordinate referencing. It is applied in urban planning, land management, and real estate registration systems to enable standardized 3D visualization and data exchange for properties like buildings, parcels, and underground spaces. The standard supports interoperability in geographic information systems (GIS) and smart city platforms across China.
Related Standards
GB/T 17159-2009
Geodetic terms
GB/T 6962-2005
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GB/T 19710-2005
Geographic Information-Metadata
GB/T 19711-2005
Data model and data exchange format for navigable spatial database
GB/Z 33451-2016
Geographic information—Spatial sampling and statistical inference
GB/Z 34429-2017
Geographic information—Imagery and gridded data
GB/Z 40524-2021
Spatialized integration model of thematic information
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.