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Andreas Scalas, Daniela Cabiddu, Michela Mortara and Michela Spagnuolo
A urban digital twin is the virtual representation of real assets, processes, systems and subsystems of a city. It uses and integrates heterogeneous data to learn and evolve with the physical city, providing support to monitor the current status and pred...
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Juho-Pekka Virtanen, Kaisa Jaalama, Tuulia Puustinen, Arttu Julin, Juha Hyyppä and Hannu Hyyppä
3D city models and their browser-based applications have become an increasingly applied tool in the cities. One of their applications is the analysis views and visibility, applicable to property valuation and evaluation of urban green infrastructure. We ...
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Mario Matthys, Laure De Cock, John Vermaut, Nico Van de Weghe and Philippe De Maeyer
More and more digital 3D city models might evolve into spatiotemporal instruments with time as the 4th dimension. For digitizing the current situation, 3D scanning and photography are suitable tools. The spatial future could be integrated using 3D drawin...
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Du?an Jovanovic, Stevan Milovanov, Igor Ruskovski, Miro Govedarica, Dubravka Sladic, Aleksandra Radulovic and Vladimir Pajic
The Smart Cities data and applications need to replicate, as faithfully as possible, the state of the city and to simulate possible alternative futures. In order to do this, the modelling of the city should cover all aspects of the city that are relevant...
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Zihe Hu, Jing Guo and Xuequan Zhang
Underground pipe network is a critical city infrastructure, which plays an important role in smart city management. As the detailed three-dimensional (3D) scene of underground pipe networks is difficult to construct, and massive numbers of pipe points an...
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A. R. Al-Ali, Ragini Gupta, Tasneem Zaman Batool, Taha Landolsi, Fadi Aloul and Ahmad Al Nabulsi
As the Internet of Things (IoT) is gaining ground and becoming increasingly popular in smart city applications such as smart energy, smart buildings, smart factories, smart transportation, smart farming, and smart healthcare, the digital twin concept is ...
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Jianming Liang, Jianhua Gong, Xiuping Xie and Jun Sun
Solar3D is an open-source software application designed to interactively calculate solar irradiation on three-dimensional (3D) surfaces in a virtual environment constructed with combinations of 3D-city models, digital elevation models (DEMs), digital sur...
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