Abstract
Abstract. Cadastral fabric is perceived as a feasible solution to improve the speed, efficiency and quality of the cadastral measurement data to implement Positional Accuracy Improvement (PAI) and to support Coordinated Cadastral System (CCS) and Dynamic Coordinated Cadastral System (DCCS) in Malaysia. In light of this, this study aims to propose a system to upgrade the positional accuracy of the existing cadastral system through the utilisation of the cadastral fabric system. A comprehensive investigation on the capability of the proposed system is carried out. A total of four evaluation aspects is incorporated in the study to investigate the feasibility and capability of the software, viz. performance of geodetic least squares adjustment, quality assurance techniques, supporting functions, and user friendliness. This study utilises secondary data obtained from the Department of Surveying and Mapping Malaysia (DSMM). The test area is coded as Block B21701 which is located in Selangor, Malaysia. Results show that least square adjustment for the entire network is completed in a timely manner. Various quality assurance techniques are implementable, namely error ellipses, magnitude of correction vectors and adjustment trajectory, as well as inspection of adjusted online bearings. In addition, the system supports coordinate versioning, coordinates of various datum or projection. Last but not least, user friendliness of the system is identified through the software interface, interaction and automation functions. With that, it is concluded that the proposed system is highly feasible and capable to create a Cadastral Fabric to improve the positional accuracy of existing cadastral system used in Malaysia.
Highlights
With the advancement of Information and Communications Technology (ICT), this era features digitalised data that are accurate, accessible and efficient
It is worth noting that Coordinated Cadastral System (CCS) facilitates the implementation of a homogeneous cadastral database known as National Digital Cadastral Database System (NDCDB)
NDCDB is being used as a coordinatebased cadastral database which is based on geocentric datum (GDM2000) with a uniform spatial accuracy of less than 10cm throughout the whole peninsular Malaysia (Choon and Seng, 2014; Choon et al, (2015; 2016a; 2016b; 2018a; 2018b))
Summary
With the advancement of Information and Communications Technology (ICT), this era features digitalised data that are accurate, accessible and efficient. Cadastral survey in Malaysia has undergone dramatic changes in the aspect of technical, operational, structural and institutional Such evolvements are associated with the development of the latest technologies, inter alia, Global Navigation Satellite System (GNSS), Geographic Information System (GIS), and digital cadastral databases. NDCDB is being used as a coordinatebased cadastral database which is based on geocentric datum (GDM2000) with a uniform spatial accuracy of less than 10cm throughout the whole peninsular Malaysia (Choon and Seng, 2014; Choon et al, (2015; 2016a; 2016b; 2018a; 2018b)) This datum is applied for positioning and mapping activities in Malaysia, which including lot, mukim, district, state and national boundary with the sufficient control points along the boundaries
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