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van der Vaart, J.A.J. (author), Stoter, J.E. (author), Diakite, A.A. (author), Biljecki, F. (author), Arroyo Ohori, G.A.K. (author), Hakim, Amir (author)Although level of detail (LoD) is a central concept in 3D city modelling, specifying different LoDs in an unambiguous manner is not straightforward. To resolve this, a set of frameworks have been developed. This paper evaluates the suitability of the LoD framework of (Biljecki et al. 2016) for 3D building models that have been generated directly...conference paper 2024
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Hakim, Amir (author), van der Vaart, J.A.J. (author), Arroyo Ohori, G.A.K. (author), Stoter, J.E. (author)The integration of 3D city models and Building Information Models (BIM) in the context of GeoBIM has gained significant attention from both academia and industry. Harmonizing the distinct characteristics and goals of these models is crucial for successful integration. In this paper, we present the development of a plugin for Autodesk Revit, a...conference paper 2024
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Labetski, A. (author), Vitalis, S. (author), Biljecki, Filip (author), Arroyo Ohori, G.A.K. (author), Stoter, J.E. (author)Urban morphology is important in a broad range of investigations across the fields of city planning, transportation, climate, energy, and urban data science. Characterising buildings with a set of numerical metrics is fundamental to studying the urban form. Despite the rapid developments in 3D geoinformation science, and the growing 3D data...journal article 2022
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Vitalis, S. (author), Arroyo Ohori, G.A.K. (author), Stoter, J.E. (author)Level of Detail (LoD) is a well known concept in 3D city models, used to designate different geometric detail that can be used in different applications. Nevertheless, multi-LoD datasets are hard to maintain and manage because of their intrinsic complexity. Versioning is a solution that aids in the storage and management of big and complex...journal article 2022
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Noardo, F. (author), Wu, T. (author), Arroyo Ohori, G.A.K. (author), Krijnen, T.F. (author), Stoter, J.E. (author)To support building permit issuing with automatic digital tools, the reuse of models produced by designers would make the process quicker and more objective. However, current studies and pilots often leave a gap with respect to the models as actually provided by architects, having varying quality and content. In this study, rather than taking...journal article 2022
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Tufan, Ö (author), Arroyo Ohori, G.A.K. (author), León Sánchez, C.A. (author), Agugiaro, G. (author), Stoter, J.E. (author)3D city models are frequently used to acquire and store energy-related information of buildings for energy applications. In this context, CityGML is the most common data model, and the Energy ADE, one of its most complex extensions, provides a systematic way of storing detailed energy-related data in XML format. Contrarily, even though...journal article 2022
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Lumban-Gaol, Yustisi (author), Arroyo Ohori, G.A.K. (author), Peters, R.Y. (author)Satellite-Derived Bathymetry (SDB) can be calculated using analytical or empirical approaches. Analytical approaches require several water properties and assumptions, which might not be known. Empirical approaches rely on the linear relationship between reflectances and in-situ depths, but the relationship may not be entirely linear due to...journal article 2022
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Noardo, F. (author), Arroyo Ohori, G.A.K. (author), Krijnen, T.F. (author), Stoter, J.E. (author)Industry Foundation Classes (IFC) is a complete, wide and complex open standard data model to represent Building Information Models. Big efforts are being made by the standardization organization buildingSMART, to develop and maintain this standard in collaboration with researchers, companies and institutions. However, when trying to use IFC...journal article 2021
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Noardo, F. (author), Krijnen, T.F. (author), Arroyo Ohori, G.A.K. (author), Biljecki, Filip (author), Ellul, Claire (author), Harrie, Lars (author), Salheb, Nebras (author), van Liempt, J.N.H. (author), Stoter, J.E. (author)Industry Foundation Classes (IFC), the buildingSMART open standard for BIM, is underused with respect to its promising potential, since, according to the experience of practitioners and researchers working with BIM, issues in the standard’s implementation and use prevent its effective use. Nevertheless, a systematic investigation of these...journal article 2021
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Noardo, F. (author), Arroyo Ohori, G.A.K. (author), Biljecki, Filip (author), Ellul, Claire (author), Harrie, Lars (author), Krijnen, T.F. (author), van Liempt, J.N.H. (author), Vitalis, S. (author), Stoter, J.E. (author)OGC CityGML is an open standard for 3D city models intended to foster interoperability and support various applications. However, through our practical experience and discussions with practitioners, we have noticed several problems related to the implementation of the standard and the use of standardized data. Nevertheless, a systematic...journal article 2020
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Noardo, F. (author), Harrie, Lars (author), Arroyo Ohori, G.A.K. (author), Biljecki, F. (author), Ellul, Claire (author), Krijnen, T.F. (author), Eriksson, Helen (author), Guler, Dogus (author), Hintz, Dean (author), Stoter, J.E. (author)The integration of 3D city models with Building Information Models (BIM), coined as GeoBIM, facilitates improved data support to several applications, e.g., 3D map updates, building permits issuing, detailed city analysis, infrastructure design, context-based building design, to name a few. To solve the integration, several issues need to be...journal article 2020
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Noardo, F. (author), Arroyo Ohori, G.A.K. (author), Biljecki, F. (author), Ellul, C. (author), Harrie, L. (author), Krijnen, T.F. (author), Kokla, M. (author), Stoter, J.E. (author)Standardised data formats and data models are essential for data integration and interoperability, which in turn adds value to data by allowing its reuse in multiple contexts. For this reason, in recent years extensive efforts have been focused on standards development. When representing the built environment, 3D city models and Building...journal article 2020
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Vitalis, S. (author), Labetski, A. (author), Boersma, F. (author), Dahle, F. (author), Li, X. (author), Arroyo Ohori, G.A.K. (author), Ledoux, H. (author), Stoter, J.E. (author)As web applications become more popular, 3D city models would greatly benefit from a proper web-based solution to visualise and manage them. CityJSON was introduced as a JSON encoding of the CityGML data model and promises, among several benefits, the ability to be integrated with modern web technologies. In order to provide an implementation...journal article 2020
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Ledoux, H. (author), Arroyo Ohori, G.A.K. (author), Kumar, Kavisha (author), Dukai, B. (author), Labetski, A. (author), Vitalis, S. (author)The international standard CityGML is both a data model and an exchange format to store digital 3D models of cities. While the data model is used by several cities, companies, and governments, in this paper we argue that its XML-based exchange format has several drawbacks. These drawbacks mean that it is difficult for developers to implement...journal article 2019
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Vitalis, S. (author), Arroyo Ohori, G.A.K. (author), Stoter, J.E. (author)3D city models are being extensively used in applications such as evacuation scenarios and energy consumption estimation. The main standard for 3D city models is the CityGML data model which can be encoded through the CityJSON data format. CityGML and CityJSON use polygonal modelling in order to represent geometries. True topological data...journal article 2019
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Noardo, F. (author), Ellul, Claire (author), Harrie, Lars (author), Devys, Emmanuel (author), Arroyo Ohori, G.A.K. (author), Olsson, Perola (author), Stoter, J.E. (author)In both the Geo and BIM domains, it is widely acknowledged that the integration of geo-data and BIM-data is beneficial and a crucial step in facing the multi-disciplinary challenges of our built environment. The result of this integration – broadly termed as GeoBIM – has a range of potential uses from district study to road safety. However, from...journal article 2019
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Noardo, F. (author), Biljecki, F. (author), Agugiaro, G. (author), Arroyo Ohori, G.A.K. (author), Ellul, Claire (author), Harrie, Lars (author), Stoter, J.E. (author)An investigation into the implementation state of open standards in software is currently ongoing through the ISPRS/EuroSDR ‘GeoBIM benchmark 2019’ initiative, which kicked off earlier this year. The benchmark activity provides a way of assessing and comparing the functionality of different software packages in GIS and BIM in terms of their...journal article 2019
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Vitalis, S. (author), Labetski, A. (author), Arroyo Ohori, G.A.K. (author), Ledoux, H. (author), Stoter, J.E. (author)A 3D city model should be constantly updated with new versions, either to reflect the changes in its real-world counterpart, or to improve and correct parts of the model. However, the current standards for 3D city models do not support versioning, and existing version control systems do not work well with 3D city models. In this paper, we...journal article 2019
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Noardo, F. (author), Arroyo Ohori, G.A.K. (author), Biljecki, F. (author), Krijnen, Thomas (author), Ellul, Claire (author), Harrie, Lars (author), Stoter, J.E. (author)GeoBIM, the integration of 3D geoinformation (Geo) with building information models (BIM), is a subject of increasing attention in both domains. A well-known practical challenge for this integration is the mixed state of software support for open standards in each domain that would ease the integration. This is often known by practitioners but...journal article 2019
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Kumar, Kavisha (author), Labetski, A. (author), Arroyo Ohori, G.A.K. (author), Ledoux, H. (author), Stoter, J.E. (author)The relatively new Open Geospatial Consortium (OGC) standard LandInfra documents in its data model land and civil engineering infrastructure features. It has a Geography Markup Language (GML) implementation, OGC InfraGML, which has essentially no software support and is rarely used in practice. In order to share the benefits of LandInfra (and...journal article 2019
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