About this Research Topic

Manuscript Submission Deadline 22 November 2022

3D City Modelling is one of the new branches of knowledge in the 3D Geographic Information System (3D GIS) field. In light of today's technological advancements, 3D City Modelling is becoming a demand. Technologies like Light Detection and Range (LiDAR) make it easier to acquire 3D data, which in turn facilitates 3D spatial object modelling. Moreover, Virtual Reality (VR), eXtended Reality (XR), or Mixed Reality (MR) technology in the 3D environment significantly enhances the usability of 3D spatial objects for daily use. Several initiatives such as international conferences and working groups discuss this subject annually. For example, the Open Geospatial Consortium (OGC) and the International Standards Organization (ISO) have issued a standard for 3D city modelling called the CityGML standard. However, much research needs to be done on the 3D City Modelling area because many interesting things need to be explored to acquire profound results for future applications references.

Since 3D City Modelling is demanding, some issues must be addressed. The issues can be categorized as the 3D data input, 3D modelling, and applications that utilize it. The latest technologies and techniques, such as Light Detection and Range (LiDAR), Structure from Motion (SfM), and Unmanned Aerial System (UAS), facilitate the process of 3D data acquisition. However, it is still necessary to determine how these 3D data can be consistently translated for 3D City Modelling. Then, how should the 3D spatial model be linked to 3D spatial databases, how are its relationships with 3D spatial objects (spatial topology) preserved, and what is the optimal representation for describing the large 3D spatial data? Meanwhile, from the perspective of applications that utilizes 3D data, such as smart city applications, Building Information Modelling (BIM), civil and environmental engineering, 3D cadastre, and urban and town planning, it is apparent that 3D City Modelling has the potential to be incorporated into their daily work. However, this discussion is limited and demands further research. Therefore, this Research Topic, titled 3D City Modelling in Built Environment, addresses three issues (data input, modelling, and applications) to provide readers and researchers with a complete background framework of 3D City Modelling.

This Research Topic welcomes recent and high-quality research communications and original new developments focusing on 3D City Modelling in Built Environment. Only original research papers and review papers offering new insights into 3D City Modelling will be considered. Topics of interest include, but are not limited to:
• 3D City Modelling data acquisition and creation;
• 3D City Modelling data management (quality, interoperability, metadata, and system);
• 3D visualization (gamification, Virtual Reality - VR, Augmented Reality - AR, eXtended Reality - XR, and Mixed Reality - MR);
• 3D and Artificial Intelligence/Machine Learning;
• 3D City Modelling and Big Data, parallel computing, cloud computing;
• 3D City Modelling applications (Building Information Modeling – BIM, Digital Twins, Smart Cities, cadastral systems, land administration, utilities, facilities or asset management, navigation, urban planning, geology, archaeology/heritage, autonomous, energy modeling, disaster and risk management, pandemic monitoring).

Keywords: 3D City Modelling, 3D Data Acquisition, 3D Standards, 3D Geospatial Applications, 3D Spatial Analysis, Building Information Modelling (BIM), Smart City Applications, 3D GIS


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

3D City Modelling is one of the new branches of knowledge in the 3D Geographic Information System (3D GIS) field. In light of today's technological advancements, 3D City Modelling is becoming a demand. Technologies like Light Detection and Range (LiDAR) make it easier to acquire 3D data, which in turn facilitates 3D spatial object modelling. Moreover, Virtual Reality (VR), eXtended Reality (XR), or Mixed Reality (MR) technology in the 3D environment significantly enhances the usability of 3D spatial objects for daily use. Several initiatives such as international conferences and working groups discuss this subject annually. For example, the Open Geospatial Consortium (OGC) and the International Standards Organization (ISO) have issued a standard for 3D city modelling called the CityGML standard. However, much research needs to be done on the 3D City Modelling area because many interesting things need to be explored to acquire profound results for future applications references.

Since 3D City Modelling is demanding, some issues must be addressed. The issues can be categorized as the 3D data input, 3D modelling, and applications that utilize it. The latest technologies and techniques, such as Light Detection and Range (LiDAR), Structure from Motion (SfM), and Unmanned Aerial System (UAS), facilitate the process of 3D data acquisition. However, it is still necessary to determine how these 3D data can be consistently translated for 3D City Modelling. Then, how should the 3D spatial model be linked to 3D spatial databases, how are its relationships with 3D spatial objects (spatial topology) preserved, and what is the optimal representation for describing the large 3D spatial data? Meanwhile, from the perspective of applications that utilizes 3D data, such as smart city applications, Building Information Modelling (BIM), civil and environmental engineering, 3D cadastre, and urban and town planning, it is apparent that 3D City Modelling has the potential to be incorporated into their daily work. However, this discussion is limited and demands further research. Therefore, this Research Topic, titled 3D City Modelling in Built Environment, addresses three issues (data input, modelling, and applications) to provide readers and researchers with a complete background framework of 3D City Modelling.

This Research Topic welcomes recent and high-quality research communications and original new developments focusing on 3D City Modelling in Built Environment. Only original research papers and review papers offering new insights into 3D City Modelling will be considered. Topics of interest include, but are not limited to:
• 3D City Modelling data acquisition and creation;
• 3D City Modelling data management (quality, interoperability, metadata, and system);
• 3D visualization (gamification, Virtual Reality - VR, Augmented Reality - AR, eXtended Reality - XR, and Mixed Reality - MR);
• 3D and Artificial Intelligence/Machine Learning;
• 3D City Modelling and Big Data, parallel computing, cloud computing;
• 3D City Modelling applications (Building Information Modeling – BIM, Digital Twins, Smart Cities, cadastral systems, land administration, utilities, facilities or asset management, navigation, urban planning, geology, archaeology/heritage, autonomous, energy modeling, disaster and risk management, pandemic monitoring).

Keywords: 3D City Modelling, 3D Data Acquisition, 3D Standards, 3D Geospatial Applications, 3D Spatial Analysis, Building Information Modelling (BIM), Smart City Applications, 3D GIS


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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