Abstract
Abstract. Three-dimensional visualization of 3D parcels have been investigated in many viewpoints in order to fulfil the demands of expanding cities and the increasing complexity of building design. In Malaysia, with the growing strata developed area, particularly residential buildings (i.e., apartments), land administration agencies will need to improve their application in sharing and disseminating cadastral data. Hence, web-based solutions have been recognized as an important visualization requirement among end-users. It acts as a distributed information platform that allows 3D data sharing with the minimal architecture of client-server connects by the internet. There are two key topics addressed in this paper, which is the depiction of 3D strata objects on the web and the linkage to their legal data. This paper also describes the implementation of conceptual model of strata object based on Malaysian Land Administration Domain Model (LADM) Country Profile for the representation of spatial and non-spatial data. Tools such as PostgreSQL with PostGIS extension is used for storing data, CesiumJS was used to handle and visualise 3D strata objects in a 3D browser that was customised as a web application. The results demonstrate a viewer of a multi-storey buildings using web visualization to display both physical and legal information of 3D Strata objects based on LADM country profile (Malaysia). This particular paper also attempts to address 3D visualization of spatial and non-spatial data query using a web application, which also suggests further directions for 3D cadastral visualization development.
Highlights
Land use has becoming so intense, that different types of ‘land’ use are being positioned under and above each other, pushing the feasibility of the 2D traditional technique to its limit, especially in major cities
This paper aims to design and develop a 3D Strata Visualization via a web environment based on the Malaysian Land Administration Domain Model (LADM) country profile
The key aspects of this paper are the spatial and non-spatial component of the 3D strata objects are structured based on Land Administration Domain Model (LADM)
Summary
Land use has becoming so intense, that different types of ‘land’ use are being positioned under and above each other, pushing the feasibility of the 2D traditional technique to its limit, especially in major cities. Cadastre defines that the physical object (strata property) must be linked with the legal object (attributes). Efforts are made in linking both the physical and legal aspects of a strata property. The issues on connecting the 3D strata object with its legal data stored in a database are considered in developing the prototype. The objectives are to identify the current tools needed in designing a 3D viewer used in visualizing both 2D and 3D platform and to develop a prototype of a 3D web application with linked attributes for 3D strata (multi-level apartment) purposes. The key aspects of this paper are the spatial and non-spatial component of the 3D strata objects are structured based on Land Administration Domain Model (LADM). In order to achieve the goal, several questions need to be answered which are: 1. What is the current status and state-of-the-art in 3D cadastral visualization?
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