DATA MANAGEMENT
The CityGML standard has established itself for 3D city modeling, with the aim of ensuring the most efficient exchange of 3D data as well as optimal use for a wide range of applications. The concept of different levels of detail ("LOD"), from simple (LOD 1) to very detailed (LOD 4) building models, allows the city model to be gradually refined over time with the increasing requirements. The CityGML standard is, however, more than just a geometry format, special emphasis is placed on correct building semantics which is an essential prerequisite for linking to existing thematic data, which significantly increases the value of the city model. |
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