.. _3dcitydb_chapter: 3D City Database ================ .. note:: This is the documentation of the 3D City Database version |3dcitydb_version|. This chapter gives an in-depth presentation and explanation of the relational schema of the 3D City Database. In :numref:`chapter_citydb_UML_class_diagram`, it first discusses the database design along the UML data model of CityGML and its mapping and adaptation to a platform-independent conceptual model for the 3D City Database. This database design is also realized as UML diagrams and forms the basis for the derivation of the relational database schema for a specific database system. The resulting relational schema is then discussed in :numref:`citydb_schema_chapter` together with the rules and conventions applied in the mapping process. The relational schema itself is illustrated using entity-relationship diagrams. The remaining sections of this chapter are dedicated to different aspects of the database-side implementation and work with the 3D City Database. .. toctree:: :maxdepth: 1 uml/index schema/index define-crs multi-schema sproc/index docker