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Article

Dynamic Online 3D Visualization Framework for Real-Time Energy Simulation Based on 3D Tiles

by 1,2,*, 3 and 4
1
College of Information Engineering, Nanjing University of Finance and Economics, Nanjing 210023, China
2
Key Laboratory of Urban Land Resources Monitoring and Simulation, MNR, Shenzhen 518040, China
3
Division of Geoinformatics, Department of Urban Planning and Environment KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
4
Department of Energy Technology KTH Royal Institute of Technology, 100 44 Stockholm, Sweden
*
Author to whom correspondence should be addressed.
ISPRS Int. J. Geo-Inf. 2020, 9(3), 166; https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030166
Received: 21 December 2019 / Revised: 27 February 2020 / Accepted: 7 March 2020 / Published: 11 March 2020
Energy co-simulation can be used to analyze the dynamic energy consumption of a building or a region, which is essential for decision making in the planning and management of smart cities. To increase the accessibility of energy simulation results, a dynamic online 3D city model visualization framework based on 3D Tiles is proposed in this paper. Two types of styling methods are studied, attribute-based and ID map-based. We first perform the energy co-simulation and save the results in CityGML format with EnergyADE. Then the 3D geometry data of these city objects are combined with its simulation results as attributes or just with object ID information to generate Batched 3D Models (B3DM) in 3D Tiles. Next, styling strategies are pre-defined and can be selected by end-users to show different scenarios. Finally, during the visualization process, dynamic interactions and data sources are integrated into the styling generation to support real-time visualization. This framework is implemented with Cesium. Compared with existing dynamic online 3D visualization framework such as directly styling or Cesium Language (CZML), a JSON format for describing a time-dynamic graphical scene, primarily for display in a web browser running Cesium, the proposed framework is more flexible and has higher performance in both data transmission and rendering which is essential for real-time GIS applications. View Full-Text
Keywords: energy simulation; online 3D visualization; real-time; 3D tiles; dynamic styling energy simulation; online 3D visualization; real-time; 3D tiles; dynamic styling
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MDPI and ACS Style

Mao, B.; Ban, Y.; Laumert, B. Dynamic Online 3D Visualization Framework for Real-Time Energy Simulation Based on 3D Tiles. ISPRS Int. J. Geo-Inf. 2020, 9, 166. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030166

AMA Style

Mao B, Ban Y, Laumert B. Dynamic Online 3D Visualization Framework for Real-Time Energy Simulation Based on 3D Tiles. ISPRS International Journal of Geo-Information. 2020; 9(3):166. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030166

Chicago/Turabian Style

Mao, Bo, Yifang Ban, and Björn Laumert. 2020. "Dynamic Online 3D Visualization Framework for Real-Time Energy Simulation Based on 3D Tiles" ISPRS International Journal of Geo-Information 9, no. 3: 166. https://0-doi-org.brum.beds.ac.uk/10.3390/ijgi9030166

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