OGC CityGML 3D City Models Enriched with Utility Infrastructures for Developing Countries,Journal of the Indian Society of Remote Sensing

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OGC CityGML 3D City Models Enriched with Utility Infrastructures for Developing Countries
Journal of the Indian Society of Remote Sensing ( IF 2.5 ) Pub Date : 2020-11-18 , DOI: 10.1007/s12524-020-01214-4
E. Vishnu , Saran Sameer

Momentous studies have substantiated semantically enriched 3D city models with numerous urban related applications. Utility networks plays a vital role, hence detailed 3D data modeling of utility networks along with 3D urban space can perform various simulations and analysis on urban planning, utility and asset management. Detailed representation of utility networks is not yet studied till now, as they are least considered in city modeling. Subsurface utility infrastructures are connected to several network components that can be installed ‘on-surface’, ‘above-surface’ or ‘below-surface’. CityGML is excessively used for 3D city modeling, hence CityGML compliant utility network modeling is proposed. The study proposes OGC CityGML-based detailed 3D modeling approach of ‘subsurface and overhead’ networks along with several ‘overhead, on-surface and subsurface’ network components. Data modeling approach is implemented with a modified version of CityGML Utility Network Application Domain Extension (ADE) to hold geometric and semantic aspects of subsurface and overhead infrastructures. Also, various Levels of Details (LOD) have proposed in the study. Related relevant applications of utility network modeling are also discussed. Several use cases such as (1) network analysis and (2) affects of utility network excavation on street space; are implemented with CityGML Utility Network ADE data. This study can be considered as a unique study dealing with detailed modeling of utility networks at different levels of details.

更新日期：2020-11-18

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