A Review of 3d Gis for Use in Creating Virtual Historic Dublin

Abstract

carleton.ca, Stephen Fai cims@bell.net 4 Office of Public Works, John.Cahill@OPW.ie, shane.lenihan@opw.ie 5 Discovery Programme, anthony@discoveryprogramme.ie Commission II ABSTRACT: This paper illustrates how BIM integration with GIS is approached as part of the workflow in creating Virtual Historic Dublin. A design for a WEB based interactive 3D model of historic buildings and centres in Dublin City (Virtual Historic Dublin City) paralleling smart city initiates is now under construction and led by the National Monuments at the Office of Public Works in Ireland.The aim is to facilitate the conservation and maintenance of historic infrastructure and fabric and the dissemination of knowledge for education and cultural tourism using an extensive Historic Building Information Model. Remote sensing data is now processed with greater ease to create 3D intelligent models in Historic BIM. While the use of remote sensing, HBIM and game engine platforms are the main applications used at present, 3D GIS has potential to form part of the workflow for developing the Virtual Historic City. 2D GIS is now being replaced by 3D spatial data allowing more complex analysis to be carried out, 3D GIS can define and depict buildings, urban rural centres in relation to their geometry topological, semantic and visualisation properties. The addition of semantic attributes allows complex analysis and 3D spatial queries for modelling city and urban elements. This analysis includes fabric and structural elements of buildings, relief, vegetation, transportation, water bodies, city furniture and land use.

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“…Another model utilized to estimate solar radiation is the 3D model. This is a model derived from different acquisition techniques, such as extrusion from 2D footprints [128], photogrammetry and laser scanning [129], and procedural modelling [130]. However, using 3D building data across many cities is suitable to perform complex operations such as solar radiation analysis in more detail.…”

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“…Various software environments are available to create 3D city models for geography, planning and building: Computer-Aided Design (CAD), Geographic Information Systems (GIS) and Building Information Modelling (BIM). In view of the complexity and considerable effort to learn this software, most users only focus on one of those [28,29]. When dealing with 3D city models using GIS, there is still a lack of Graphical User Interfaces (GUI), so inexperienced users are not able to create decent 3D maps [30].…”

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“…BIM offers advantages in terms of geometric and semantic information, which can span the entire lifecycle of buildings and infrastructures, while GIS is a decision-making tool based on geovisualization (Song et al [9]). An approach of BIM integration with GIS is proposed by Chenaux et al [10] and Murphy et al [11] for Virtual Historic Dublin.…”

“…In addition, other software solutions were investigated. Among them: 3DCityDB, a free open source software for the storage, management and visualization of three-dimensional urban models according to the CityGML standard, developed by the Technical University of Munich with other partners and used by Chenaux et al [10] and Murphy et al [11] in Virtual Historic Dublin; CesiumJS, an open source JavaScript library for world-class 3D mapping of geospatial data.…”