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Articles | Volume XLVI-4/W3-2021
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4/W3-2021, 79–86, 2022
https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-79-2022
Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLVI-4/W3-2021, 79–86, 2022
https://doi.org/10.5194/isprs-archives-XLVI-4-W3-2021-79-2022
 
10 Jan 2022
10 Jan 2022

AN APPLICATION OF CADASTRAL FABRIC SYSTEM IN IMPROVING POSITIONAL ACCURACY OF CADASTRAL DATABASES IN MALAYSIA

T. L. Choon1, L. C. Ho2, U. Ujang1, T. A. Chin3, N. S. Azri1, K. S. Looi4, M. L. Toh1, W. V. Tan1, K. Shanmugapathy1, and J. A. Geh1 T. L. Choon et al.
  • 1Department of Geoinformation, Faculty of Built Environment and Surveying, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
  • 2Landsoft Sdn Bhd, 38C, 4, Jalan Radin Anum, Bandar Baru Sri Petaling, 57000, Kuala Lumpur, Malaysia
  • 3Azman Hashim International Business School, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
  • 4Department of Survey and Mapping Malaysia, Jalan Yahya Petra, Kampung Datuk Keramat, 54000, Kuala Lumpur, Malaysia

Keywords: Cadastral Fabric, Cadastral Fabric System Software, NDCDB, Coordinated Cadastral System, Positional Accuracy Improvement

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.