Development of a 3D ePlan/LandXML Visualisation System in Australia

Development of a 3D ePlan/LandXML Visualisation System in Australia

Shojaei, Davood
Rajabifard, Abbas
Kalantari, Mohsen
Bishop, Ian D.
Aien, Ali

2012-10-25

The importance of managing properties and people’s interests in complex multi-level developments is increasing, due to population growth and shortage of land in urban areas. As a result, cadastral systems are under pressure to change the way they capture, register and visualise 3D data of these multi-level scenarios. However, interests in land and properties in Australia are registered and visualised through subdivision plans. This visualisation method is often paper-based and includes 2D floor plans, cross-sections and isometric diagrams. These drawings are used to represent 3D properties and associated rights. Although this has been a common practice for experts such as land registration officers and cadastral surveyors, non-expert users such as the public, lawyers and real-estate agents often find these methods difficult to understand and interpret particularly in complex high rise buildings. In order to visualise and represent properties and associated rights in 3D, a web-based prototype system was designed and developed utilising various technologies to enable a wide variety of users to explore 3D ownership rights. The prototype system’s architecture is based on a three-layer framework including, data access, process and presentation layers to represent cadastral data such as Rights, Restrictions and Responsibilities (RRRs). For developing the prototype system, the subdivision plan components and the electronic surveying and subdivision plans (ePlan) were studied and analysed. In this web-based prototype system, 3D LandXML files are converted to KML data format using Extensible Stylesheet Language Transformations (XSLT) and are visualised in the Google Earth API. Furthermore, attribute information such as bearing and distance, attached to subdivision plans, is also represented in this system. Although this prototype system is not able to visualise underground RRRs, it has potential to represent interests in land and properties through the Internet. This paper concludes that ePlan data model is able to contain 3D volume objects to store 3D interests in land and properties.

Australia
3D Visualisation
3D Cadastre
ePlan
LandXML

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