This paper outlines a two stage approach for digitally recording cultural heritage sites. This approach involves a 3D modeling stage and the integration of the 3D model into a 3D GIS for further management and analysis. The modeling stage is carried out using a new concept; Historic Building Information Modeling (HBIM) which has been developed at the Dublin Institute of Technology [12]. Historic Building Information Modeling is a system for modeling historic structures from laser scan and photogrammetric data using Building Information Modeling (BIM) software. The HBIM process involves a reverse engineering solution whereby parametric objects representing architectural elements are mapped onto laser scan or photogrammetric survey data. A library of parametric architectural objects has been designed from historic manuscripts and architectural pattern books. These parametric objects were built using an embedded scripting language within the BIM software called Geometric Descriptive Language (GDL). These objects are combined and mapped onto the survey data to build the entire model. After the 3D model has been created the next stage involves integrating the 3D model into a 3D GIS for further analysis. The international framework for 3D city modeling, CityGML has been adopted for this purpose. CityGML provides an interoperable framework for modeling 3D geometries, semantics, topology and appearance properties [13]. The aim of this research is to bridge the gap between parametric CAD modeling and 3D GIS while using benefits from both systems to help document and analyze cultural heritage sites.

/pdf/integration-of-historic-building-information-modeling-hbim-2y1fbvfj8j.pdf

Integration of Historic Building Information Modeling (HBIM) and 3D GIS for recording and managing cultural heritage sites

This paper outlines a new approach for digitally recording cultural heritage sites from laser scan data or photogrammetric data. This approach involves 3D modelling stage and the integration of the 3D model into a 3D GIS for further management and analysis. The modelling stage is carried out using a new concept; Historic Building Information Modelling (HBIM). HBIM uses Building Information Modelling (BIM) software with parametric and procedural modelling techniques to automate the modelling stage. The HBIM process involves a reverse engineering solution whereby parametric objects representing architectural elements are mapped onto laser scan or photogrammetric survey data. A library of parametric architectural objects has been designed from historic manuscripts and architectural pattern books. These parametric objects were built using an embedded scripting language within the BIM software called Geometric Descriptive Language (GDL). Using this embedded scripting language, elements of procedural modelling have also been replicated to automatically combine library objects based on architectural rules and proportions. If required the position of elements can be manually refined while overlaying the automatically generated model with the original survey data. After the 3D model has been generated the next stage involves integrating the 3D model into a 3D GIS for further analysis. The international framework for 3D city modelling, CityGML has been adopted for this purpose. CityGML provides an interoperable framework for modelling 3D geometries, semantics, topology and appearance properties [14]. CityGML enables further historical information to be added to the model and allows for efficient management and analysis of all data relating to a heritage site. The aim of this research is to bridge the gap between parametric CAD modelling and 3D GIS while using benefits from both systems to help document and analyse cultural heritage sites.

/pdf/integration-of-hbim-and-3d-gis-for-digital-heritage-17n6z8bq7l.pdf

Integration of HBIM and 3D GIS for Digital Heritage Modelling

Recently, research has been performed on Geographic Information Systems (GIS) to effectively recycle abundant Building Information Modeling (BIM). However, GIS and BIM use different schemas to describe forms. In particular, GIS defines the Level of Detail (LOD) in schema to quickly visualize numerous city-level objects. Because of schema differences, a mapping process is essential to reuse BIM in GIS. The problem is that mapping LOD models requires significant calculation time. This method reduces BIM-GIS mapping operation productivity, making it difficult to reuse BIM. In this research, we enhance mapping work productivity by developing a method that automates LOD geometry mapping using Screen-Buffer scanning-based Multiprocessing (SB-MP) including semantic mapping rule. The proposed method can dramatically improve LOD geometry modeling productivity. Finally, the developed results are evaluated quantitatively.

IFC-CityGML LOD mapping automation using multiprocessing-based screen-buffer scanning including mapping rule

. 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.

/pdf/a-review-of-3d-gis-for-use-in-creating-virtual-historic-4g8cmn5hgh.pdf

A review of 3d gis for use in creating virtual historic dublin

Extending functionalities of Management Systems to CityGML

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Extending functionalities of Management Systems to CityGML