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Planetary-Scale Geospatial Open Platform Based on the Unity3D Environment
Ahyun Lee1, Yoon-Seop Chang1, Insung Jang1
1City and Geospatial ICT Research Section, Electronics and Telecommunications Research Institute (ETRI), 218 Gajeong-ro, Yuseong-gu, Daejeon 34129, Korea.
This study introduces a planetary-scale geospatial open platform for creating digital twin cities. It efficiently visualizes large geospatial data in real-time within game engines like Unity3D.
Area of Science:
- Computer Science
- Geospatial Technology
- Urban Planning
Background:
- Digital twin technology enables urban simulation and design.
- Geospatial platforms are crucial for digital twin cities.
- Existing platforms may lack scalability or ease of use in game engines.
Purpose of the Study:
- To propose a planetary-scale geospatial open platform for digital twin cities.
- To facilitate real-time visualization of large-capacity geospatial data.
- To ensure ease of use within widely adopted game engine environments.
Main Methods:
- Developed a geospatial platform organized and managed by quadtree tiles.
- Implemented a rendering tile decision method for consistent visualization.
- Built the platform using Unity3D and made it available as an asset library.
Main Results:
- The platform effectively visualizes large-capacity geospatial data in real-time.
- Quadtree tile organization ensures efficient data management.
- The Unity3D implementation allows for easy integration into existing projects.
Conclusions:
- The proposed geospatial platform supports real-time visualization of complex urban data.
- It offers a scalable and accessible solution for digital twin city applications.
- The platform is well-suited for various three-dimensional geospatial applications.
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