Design of 3D Data Model of Underground Utilities in Korea Using CityGML Application Domain Extension

With the pressure of the increasing density of urban areas, some public infrastructures are moving to the underground to free up space above, such as utility lines, rail lines and roads. In the big data era, the three-dimensional (3D) data can be beneficial to understand the complex urban area. Comparing to spatial data and information of the above ground, we lack the precise and detailed information about underground infrastructures, such as the spatial information of underground infrastructure, the ownership of underground objects and the interdependence of infrastructures in the above and below ground. How can we map reliable 3D underground utility networks and use them in the land administration? First, to explain the importance of this work and find a possible solution, this paper observes the current issues of the existing underground utility database in Singapore. A framework for utility data governance is proposed to manage the work process from the underground utility data capture to data usage. This is the backbone to support the coordination of different roles in the utility data governance and usage. Then, an initial design of the 3D underground utility data model is introduced to describe the 3D geometric and spatial information about underground utility data and connect it to the cadastral parcel for land administration. In the case study, the newly collected data from mobile Ground Penetrating Radar is integrated with the existing utility data for 3D modelling. It is expected to explore the integration of new collected 3D data, the existing 2D data and cadastral information for land administration of underground utilities.

Download Full-text

Harmonising the OGC Standards for the Built Environment: A CityGML Extension for LandInfra

ISPRS International Journal of Geo-Information ◽

10.3390/ijgi8060246 ◽

2019 ◽

Vol 8 (6) ◽

pp. 246 ◽

Cited By ~ 2

Author(s):

Kavisha Kumar ◽

Anna Labetski ◽

Ken Arroyo Ohori ◽

Hugo Ledoux ◽

Jantien Stoter

Keyword(s):

Built Environment ◽

Data Model ◽

Markup Language ◽

Application Domain ◽

Software Support ◽

Geography Markup Language ◽

Domain Extension ◽

Open Geospatial Consortium ◽

Civil Engineering Infrastructure ◽

Ogc Standards

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 InfraGML) with a wider public, we have created the Infra Application Domain Extension (ADE), a CityGML ADE that allows us to store LandInfra features in CityGML. In this paper, we semantically map LandInfra to CityGML, describe our ADE, and discuss a few used cases where our ADE can be useful for applications for the built environment. We also provide software to automatically convert datasets from InfraGML to CityGML (and our ADE), and vice versa, as well as to validate them, which will help practitioners generate real-world InfraGML datasets.

Download Full-text

Modeling Turkey National 2D Geo-Data Model as a CityGML Application Domain Extension in UML

International Journal of Environment and Geoinformatics ◽

10.30897/ijegeo.306475 ◽

2016 ◽

Vol 3 (3) ◽

pp. 1-10 ◽

Cited By ~ 3

Author(s):

Serpil Ates Aydar ◽

Tahsin Yomralıoğlu ◽

Elif Demir Özbek

Keyword(s):

Data Model ◽

Application Domain ◽

Domain Extension

Download Full-text

Documentation of cultural heritage monuments with CityGML: an application for ancient theatres

AGILE: GIScience Series ◽

10.5194/agile-giss-1-4-2020 ◽

2020 ◽

Vol 1 ◽

pp. 1-16

Author(s):

Eleni Gkadolou ◽

Poulicos Prastacos ◽

Thanos Loupas

Keyword(s):

Cultural Heritage ◽

Data Model ◽

Special Focus ◽

Application Domain ◽

Domain Extension ◽

Geographic Data

Abstract. The scope of this research is to identify the concepts that describe cultural heritage monuments and model them with CityGML. CityGML is the most popular data model for storing and sharing semantic 3D geographic data and there is an increasing interest in its use in the Cultural Heritage field. An Application Domain Extension that covers the most important concepts for describing monuments with special focus on the ancient theatres is developed. The INSPIRE data model is reviewed and its integration with CityGML is discussed. Following the proposed extension, a CityGML model is constructed for the ancient theatre of Hersonissos in Crete. To visualize the model, it is transformed using the Generics approach.

Download Full-text

An Energy-Related CityGML ADE and Its Application for Heating Demand Calculation

Architecture and Design ◽

10.4018/978-1-5225-7314-2.ch049 ◽

2019 ◽

pp. 1306-1323

Author(s):

Marcel Bruse ◽

Romain Nouvel ◽

Parag Wate ◽

Volker Kraut ◽

Volker Coors

Keyword(s):

Energy Demand ◽

Building Energy ◽

Energy Simulation ◽

Data Sets ◽

Application Domain ◽

Data Formats ◽

Building Energy Systems ◽

Domain Extension ◽

Energy Simulations ◽

Heating Energy Demand

Different associated properties of city models like building geometries, building energy systems, building end uses, and building occupant behavior are usually saved in different data formats and are obtained from different data sources. Experience has shown that the integration of these data sets for the purpose of energy simulation on city scale is often cumbersome and error prone. A new application domain extension for CityGML has been developed in order to integrate energy-related figures of buildings, thermal volumes, and facades with their geometric descriptions. These energy-related figures can be parameters or results of energy simulations. The applicability of the new application domain extension has been demonstrated for heating energy demand calculation.

Download Full-text

Development of a CityGML Application Domain Extension for Simulating the Building Construction Process

ISPRS International Journal of Geo-Information ◽

10.3390/ijgi8120576 ◽

2019 ◽

Vol 8 (12) ◽

pp. 576 ◽

Cited By ~ 1

Author(s):

Chi Zhang ◽

Yunping Liu ◽

Chen Lin ◽

Liangchen Zhou ◽

Bingxian Lin ◽

...

Keyword(s):

Process Model ◽

Open Data ◽

Evolutionary Process ◽

Building Construction ◽

Information Modeling ◽

Application Domain ◽

Construction Process ◽

Domain Extension ◽

Building Information ◽

The City

Virtual 3D city models can be stored and exchanged in the CityGML open data model. When dynamic phenomena in 3D cities are represented with a CityGML application domain extension (ADE), the objects in CityGML are often used as static background, and it is difficult to represent the evolutionary process of the objects themselves. Although a construction process model in building information modeling (BIM) is available, it cannot efficiently and accurately simulate the building construction process at the city level. Accordingly, employing the arrow diagramming method, we developed a CityGML ADE to represent this process. We extended the hierarchy of the model and proposed the process levels of detail model. Subsequently, we explored a mechanism to associate the construction process and building objects as well as the mechanism to automate construction process transitions. Experiments indicated that the building construction process ADE (BCPADE) could adequately express the characteristics of this process. Compared with the building construction process model in the architecture, engineering, and construction field, BCPADE removes redundant information, i.e., that unrelated to a 3D city. It can adequately express building construction processes at multiple spatiotemporal scales and accurately convey building object behavior during building evolution, such as adding, removal, merging, and change. Such characteristics enable BCPADE to render efficient and accurate simulations of the building construction process at the city level.

Download Full-text

Augmented and Virtual Reality for Underground Facilities Management

Journal of Computing and Information Science in Engineering ◽

10.1115/1.4040460 ◽

2018 ◽

Vol 18 (4) ◽

Cited By ~ 4

Author(s):

Gregorio Soria ◽

L. M. Ortega Alvarado ◽

Francisco R. Feito

Keyword(s):

Virtual Reality ◽

Life Cycle ◽

Data Model ◽

Three Dimensional ◽

Real Data ◽

Life Cycle Management ◽

Facilities Management ◽

New Approach ◽

3D Data ◽

The City

Augmented reality (AR) has experienced a breakthrough in many areas of application thanks to cheaper hardware and a strong industry commitment. In the field of management of urban facilities, this technology allows virtual access and interaction with hidden underground elements. This paper presents a new approach to enable AR in mobile devices such as Google Tango, which has specific capabilities to be used outdoors. The first objective is to provide full functionality in the life-cycle management of subsoil infrastructures through this technology. This implies not only visualization, interaction, and free navigation, but also editing, deleting, and inserting elements ubiquitously. For this, a topological data model for three-dimensional (3D) data has been designed. Another important contribution of the paper is getting exact location and orientation performed in only a few minutes, using no additional markers or hardware. This accuracy in the initial positioning, together with the device sensing, avoids the usual errors during the navigation process in AR. Similar functionality has also been implemented in a nonubiquitous way to be supported by any other device through virtual reality (VR). The tests have been performed using real data of the city of Jaén (Spain).

Download Full-text

CITYGML APPLICATION DOMAIN EXTENSION FOR 3D STRATA REPRESENTATIONS IN THE SMARTKADASTER SYSTEM: TOWARDS BEYOND CADASTRE PURPOSE IN MALAYSIA

ISPRS Annals of Photogrammetry Remote Sensing and Spatial Information Sciences ◽

10.5194/isprs-annals-viii-4-w2-2021-99-2021 ◽

2021 ◽

Vol VIII-4/W2-2021 ◽

pp. 99-103

Author(s):

C. B. Siew ◽

N. Z. Abdul Halim ◽

H. Karim ◽

M. A. Mohd Zain ◽

K. S. Looi

Keyword(s):

Spatial Data ◽

Application Domain ◽

Kuala Lumpur ◽

Levels Of Detail ◽

Emerging Trends ◽

Digital Twins ◽

Domain Extension ◽

Data Output ◽

3D City Modelling ◽

City Models

Abstract. Recent advancements in 3D city modelling and emerging trends in implementing and realising Digital Twins motivate the Department of Survey and Mapping Malaysia (JUPEM) to develop and implement SmartKADASTER (SKiP) Phase 2. SmartKADASTER Phase I was a precursor to this system, and it primarily focused on applying two-dimensional (2D) spatial data for 3D spatial analysis. CityGML was used as the data model for various Levels of Detail (LoD) in this new initiative to represent city models across the Greater Kuala Lumpur region. SmartKADASTER however, lacks strata information. Therefore, to integrate strata information into the SKiP citymodel environment, an Application Domain Extension (ADE) for CityGML has been developed to convert existing Strata XML to StrataGML, a CityGML-compliant data output format. This paper describes the purpose of the SmartKADASTER initiative in Section 1. Section 2 explains additional context for the initiative as well as some backgrounds. Section 3 discusses the conversion workflow and ADE definitions, followed by a brief discussion of visualisation in Section 4 and a project summary in Section 5.

Download Full-text

Application domain ontology-based transformation to database design

Lietuvos matematikos rinkinys ◽

10.15388/lmr.2007.24194 ◽

2021 ◽

Vol 47 ◽

Author(s):

Justas Trinkūnas ◽

Olegas Vasilecas

Keyword(s):

Data Model ◽

Graph Transformation ◽

Database Design ◽

Domain Ontology ◽

Application Domain ◽

Knowledge Reuse ◽

Transformation Language ◽

Conceptual Data

The paper analyses graph oriented ontology transformation into conceptual data model. A number of methodswere proposed to develop conceptual datamodels, but only fewdealswith knowledge reuse. In this paperwe present an approach for knowledge represented by ontology automatic transformation into conceptual data model. The graph transformation language is presented and adapted for formal transformation of ontology into conceptualmodel. Details and examples of proposed ontology transformation into conceptual data model are presented.

Download Full-text

Component Model Data Extraction Based on STEP in Virtual Assembly Technology

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.685.567 ◽

2014 ◽

Vol 685 ◽

pp. 567-570

Author(s):

He Qun Qiang ◽

Chun Hua Qian ◽

Sheng Rong Gong

Keyword(s):

Data Base ◽

Data Model ◽

3D Model ◽

Data Extraction ◽

Virtual Assembly ◽

Component Model ◽

Information Share ◽

Data Format ◽

3D Data ◽

Assembly Technology

Component model information share is the premise of virtual assembly, but tranditional Component 3D model is not the suitable data format used on Intenet. Realization the transformation from tranditional 3D data to Web-enable data base on STEP standard is feasible. In this paper, we discuss and resolve several problems, such as: Mapping between the EXPRESS data model and the RDBMS, Lexical analysis of STEP file, the tansformation form STEP file to data-base file.

Download Full-text