CityGML 3.0: New Functions Open Up New Applications

Kutzner, Tatjana; Chaturvedi, Kanishk; Kolbe, Thomas H.

doi:10.1007/s41064-020-00095-z

Cited by 128 publications

(125 citation statements)

References 21 publications

(17 reference statements)

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“…Due to the added features that improve interoperability between the two file formats (Cheng et al, 2014;Kutzner, Kolbe), we have chosen to use IFC4 and an early developmental version of CityGML 3.0 in the development and testing of rules and the implementation.…”

Section: Methodsmentioning

confidence: 99%

Graph Transformation Rules for Ifc-to-Citygml Attribute Conversion

Lim

Tauscher

Biljecki

2019

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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<p><strong>Abstract.</strong> In model transformation, the population of attributes on the target side constitutes the last step of the conversion process that carries over that part of the input which is often perceived as the most valuable actual information. We are employing a graph-based model transformation approach to convert building information models into geospatial city models. In this paper, we are reporting on different types of transformation rules to populate the attributes on CityGML side using information extracted from the IFC data. We document the various ways how attribute values can be stored in IFC and CityGML respectively and identify patterns that bridge these endpoints in the conversion process. These patterns lead to a set of prototypical graph transformation rules which have been applied to a range of building projects. The novel graph-based approach to IFC-to-CityGML conversion implicates an intuitive visual representation of these rules. This work can also serve as a starting point to convert IFC data to other formats or to populate CityGML from other data sources.</p>

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Section: Methodsmentioning

confidence: 99%

Graph Transformation Rules for Ifc-to-Citygml Attribute Conversion

Lim

Tauscher

Biljecki

2019

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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“…Some features in the version 3.0 are intended to make the CityGML model closer to BIM. The main change with respect to version 2.0 is the addition of a new space concept [24]. The new space concept can be utilized to define, using inheritance, new classes e.g., "BuildingConstructiveElement".…”

Section: The Ogc Citygmlmentioning

confidence: 99%

Tools for BIM-GIS Integration (IFC Georeferencing and Conversions): Results from the GeoBIM Benchmark 2019

Noardo

Harrie

Ohori

et al. 2020

IJGI

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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 tackled and solved, i.e., harmonization of features, interoperability, format conversions, integration of procedures. The GeoBIM benchmark 2019, funded by ISPRS and EuroSDR, evaluated the state of implementation of tools addressing some of those issues. In particular, in the part of the benchmark described in this paper, the application of georeferencing to Industry Foundation Classes (IFC) models and making consistent conversions between 3D city models and BIM are investigated, considering the OGC CityGML and buildingSMART IFC as reference standards. In the benchmark, sample datasets in the two reference standards were provided. External volunteers were asked to describe and test georeferencing procedures for IFC models and conversion tools between CityGML and IFC. From the analysis of the delivered answers and processed datasets, it was possible to notice that while there are tools and procedures available to support georeferencing and data conversion, comprehensive definition of the requirements, clear rules to perform such two tasks, as well as solid technological solutions implementing them, are still lacking in functionalities. Those specific issues can be a sensible starting point for planning the next GeoBIM integration agendas.

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“…CityGML is an XML based format for storing, managing and exchanging virtual 3D City Models and an international Open Geospatial Consortium (OGC) Standard (Open Geospatial Consortium, 2012). The current version is CityGML 2.0, however CityGML 3.0 is set to be released within 2020 (Kutzner et al, 2020). CityGML 3.0 has been revised to facilitate the interoperability with other major standards, including IFC, by introducing a new "Construction" module and revising the modules of "Buildings" and "Transportation".…”

Section: Citygmlmentioning

confidence: 99%

“…Furthermore, known issues are missing or misshaped geometries (curves) as well as errors in calculating geometric characteristics such as volumes and heights. CityGML 3.0 is introducing upon release new feature types (i.e AbstractConstructiveElement) to facilitate the mapping with IFC classes, such as IfcWall, IfcSlab and IfcRoof among others (Kutzner et al, 2020)…”

Section: Challenges Of Bim-gis Integrationmentioning

confidence: 99%

IMPACT OF INFORMATION MANAGEMENT DURING DESIGN & CONSTRUCTION ON DOWNSTREAM BIM-GIS INTEROPERABILITY FOR RAIL INFRASTRUCTURE

Floros

Ruff

Ellul

2020

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci.

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Abstract. The need for efficient and sustainable infrastructure – always critical to a city – is further gaining momentum as urbanisation creates the challenge of sustainably designing, constructing and operating the built environment. The AECOO industry, directly responsible for addressing this challenge, has adopted the use of BIM and GIS to aid in this endeavour. Both BIM and GIS overlap with respect to capturing aspects of the built environment, but are not interoperable by nature. To ensure a consistent and structured way of managing the information produced within these environments, industry standards such as IFC are implemented. Research to date focuses on addressing the integration between BIM and GIS for buildings by delving into the IFC and CityGML interoperability, which has highlighted significant geometric and semantic barriers that in the stage of integration, cannot be easily manoeuvred. The purpose of this paper is to provide an insight regarding the information lifecycle during Design & Construction in the HS2 Rail Infrastructure project and investigate the impact of current information management processes – and in particular Standards such as IFC, – on BIM-GIS interoperability and lifecycle management of an asset. Results demonstrate the levels of mis mapping during the export to IFC which varies depending on the infrastructure asset type. Discussion shows that these can be addressed by the introduction of additional semantic property sets to facilitate downstream BIM-GIS interoperability for O & M, enabling scope for future work.

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CityGML 3.0: New Functions Open Up New Applications

Cited by 128 publications

References 21 publications

Graph Transformation Rules for Ifc-to-Citygml Attribute Conversion

Graph Transformation Rules for Ifc-to-Citygml Attribute Conversion

Tools for BIM-GIS Integration (IFC Georeferencing and Conversions): Results from the GeoBIM Benchmark 2019

IMPACT OF INFORMATION MANAGEMENT DURING DESIGN & CONSTRUCTION ON DOWNSTREAM BIM-GIS INTEROPERABILITY FOR RAIL INFRASTRUCTURE

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