Creation of a Citygml-Based 3d City Model Testbed for Energy-Related Applications

León-Sánchez, C.; Agugiaro, G.; Stoter, J.E.

doi:10.5194/isprs-archives-xlviii-4-w5-2022-97-2022

Cited by 7 publications

(2 citation statements)

References 5 publications

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“…Given the current results from this first set of first experiments, it is clear that more tests, especially with other UEM simulation tools, need to be carried out and compared. This is also the reason why the 3D city model of Rijssen-Holten is being prepared to be released as an open-data benchmark dataset (León Sánchez et al, 2022), in order to offer, also to other colleagues in the energy community, the possibility to test, compare and assess their tools in a more homogeneous way.…”

Section: Discussionmentioning

confidence: 99%

On the Influence of Party Walls for Urban Energy Modelling

Agugiaro

Zwamborn

Tigchelaar

et al. 2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. In the last 15 years semantic 3D city models have seen a steady growth in terms of creation and adoption. Many cities world-wide have now at least one city model which can be used for several applications. Energy- and sustainability-related topics are among those that have experienced a noteworthy increase of interest from the Geomatics community. 3D city models have become a steady component of Urban Energy Modelling, in which bottom-up approaches are developed to assess, for example, the energy efficiency of the building stock and to explore different scenarios of building refurbishment. Within this context, this paper focuses on investigating how much party walls can contribute to the energy demand estimation of a building. For this reason, two approaches to compute party walls are described and compared. The nature and the magnitude of their differences, as well as their possible impact on downstream applications, are considered in order to shed light on whether discrepancies in the amount of computed party wall area might lead to significant differences in terms energy demand of the residential building stock. The case study area is located in the Netherlands and encompasses the municipality of Rijssen-Holten.

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Section: Discussionmentioning

confidence: 99%

On the Influence of Party Walls for Urban Energy Modelling

Agugiaro

Zwamborn

Tigchelaar

et al. 2022

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…The use of 3D city models represents a strategic solution in many fields of research, for example, to study and monitor the urban environment for flood disaster prevention, where the three-dimensional flood simulation plays a key role in the decision-making process for the flood risk analysis [32]. For instance, the design and the construction of semantic 3D city models have been employed to provide an open dataset of attributes, semantics, and geometries as a testbed for several energy analysis cases [33]. Some experimentations testing the CityGML Conceptual Model have been carried out, also in the field of digital Cultural Heritage (CH) documentation, working with the challenge regarding the level of details to assess the constructive and semantic characteristics of CH sites [34].…”

Section: D Webgis Solutions For the Navigation Of Complex Urban Datasetsmentioning

confidence: 99%

Towards Digital Twinning on the Web: Heterogeneous 3D Data Fusion Based on Open-Source Structure

Guardia

Koeva

2023

Remote Sensing

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Recent advances in Computer Science and the spread of internet connection have allowed specialists to virtualize complex environments on the web and offer further information with realistic exploration experiences. At the same time, the fruition of complex geospatial datasets (point clouds, Building Information Modelling (BIM) models, 2D and 3D models) on the web is still a challenge, because usually it involves the usage of different proprietary software solutions, and the input data need further simplification for computational effort reduction. Moreover, integrating geospatial datasets acquired in different ways with various sensors remains a challenge. An interesting question, in that respect, is how to integrate 3D information in a 3D GIS (Geographic Information System) environment and manage different scales of information in the same application. Integrating a multiscale level of information is currently the first step when it comes to digital twinning. It is needed to properly manage complex urban datasets in digital twins related to the management of the buildings (cadastral management, prevention of natural and anthropogenic hazards, structure monitoring, etc.). Therefore, the current research shows the development of a freely accessible 3D Web navigation model based on open-source technology that allows the visualization of heterogeneous complex geospatial datasets in the same virtual environment. This solution employs JavaScript libraries based on WebGL technology. The model is accessible through web browsers and does not need software installation from the user side. The case study is the new building of the University of Twente—Faculty of Geo-Information (ITC), located in Enschede (the Netherlands). The developed solution allows switching between heterogeneous datasets (point clouds, BIM, 2D and 3D models) at different scales and visualization (indoor first-person navigation, outdoor navigation, urban navigation). This solution could be employed by governmental stakeholders or the private sector to remotely visualize complex datasets on the web in a unique visualization, and take decisions only based on open-source solutions. Furthermore, this system can incorporate underground data or real-time sensor data from the IoT (Internet of Things) for digital twinning tasks.

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