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Performance Evaluation of Digital Pen for Capturing Data in Land Information Systems (Lis)

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Performance Evaluation of Digital Pen for Capturing Data in Land Information Systems (Lis) PERFORMANCE EVALUATION OF DIGITAL PEN FOR CAPTURING DATA IN LAND INFORMATION SYSTEMS (LIS) HENDRO PRASTOWO March, 2011 SUPERVISORS: Drs. Jeroen J. Verplanke Ir. Christiaan H.J. Lemmen PERFORMANCE EVALUATION OF DIGITAL PEN FOR CAPTURING DATA IN LAND INFORMATION SYSTEMS (LIS) HENDRO PRASTOWO Enschede, The Netherlands, March, 2011 Thesis submitted to the Faculty of Geo-Information Science and Earth Observation of the University of Twente in partial fulfilment of the requirements for the degree of Master of Science in Geo-information Science and Earth Observation. Specialization: Land Administration SUPERVISORS: Drs. Jeroen J. Verplanke Ir. Christiaan H.J. Lemmen THESIS ASSESSMENT BOARD: Prof. Dr. J.A. Zevenbergen (Chair) Ir. M. A. Engels MBA (External Examiner, Vicrea) Drs. Jeroen J. Verplanke (First Supervisor) Ir. Christiaan H.J. Lemmen (Second Supervisor) Ir. M.C. Bronsveld (Observer) DISCLAIMER This document describes work undertaken as part of a programme of study at the Faculty of Geo-Information Science and Earth Observation of the University of Twente. All views and opinions expressed therein remain the sole responsibility of the author, and do not necessarily represent those of the Faculty. ABSTRACT The digital pen has been around for more than one decade for many applications except for an integrated survey and mapping functions (Schneider, 2008). The breakthrough approach of the digital pen technology 1 which has been re-designed for geospatial purposes may open a possibility of contribution to update the data changes for Land Information Systems (LIS). Experiences of using the digital pen for Geographic Information Systems (GIS) data collection describe some claims offering an effective and efficient data collection. The main objective of this research is to evaluate the feasibility of the digital pen for collecting cadastral data in a LIS especially for updating cadastral maps. The main question of this research is: Can the digital pen be used for updating cadastral maps in a LIS? The performance is evaluated using “fit for purpose” method adapted from Clegg, et al., (2006). The method aims to evaluate the feasibility of the digital pen to perform its intended purpose: updating cadastral maps. The evaluation consists of 5 criteria: usability (the familiarity of operation), functionality (the capability for capturing cadastral data), reliability (the ruggedness in various environmental conditions), accuracy (positional accuracy), and compatibility (the integration of the digital pen data format with other applications). The digital pen has been tested using a cadastral dataset of Enschede and a high resolution (0.10 m) aerial photo. The test consists of component reviews and simulations of updating cadastral maps by drawing cadastral boundary data as polygons, points, lines and drawing attributes (identifiers and remarks) on the aerial photo printed in scale 1:1000 and 1:250. The result of the evaluation shows that the digital pen is feasible for updating data in a LIS. All the claims proved to be true with some attentions in certain circumstances. Geometric errors, the less accuracy of jagged line, a time consuming post processing, and the difficult integration between spatial and attribute data are the main attentions to be considered to apply the digital pen in a LIS. Extra work for post processing is needed to get better data quality. The significant contribution of the digital pen system is in providing real time and continuous information as soon as the changes in the people/land relationship happen; which is the main concern of updating cadastral maps. Fast and reliable information about the changes cadastral data are often more important than waiting the high accuracy measurement (if necessary). The digital pen system can be applied in preliminary survey such as in subdivision process, identification of boundary dispute and index parcel mapping which need less accurate than cadastral parcel mapping. 1 The digital pen technology consists of hardware and software technology; it works together with the Anoto digital paper technology as the digital pen system. i ACKNOWLEDGEMENTS I dedicate my thesis to my lovely family. For my wife Anna Beatrice and my son Marvell Arendra Prastowo: thank you for always cheering me to complete my study. For my parents, brothers and sisters: thank you for your prayer, encouragement and support. I would like to express my sincere gratitude to Drs. Jeroen J. Verplanke and Ir. Christiaan H.J. Lemmen for their time, support, guidance, comments and feedback to complete my thesis. I would like to thank my classmates in The Kingdom of Land Administration. You are my great family from around the world who give me a lot of valuable experiences. Many thanks to my all Indonesian fiends, especially to my proudly Indonesian friends from BPN, you are my great partners before, during and I’m sure after our study. The last, I would like to appreciate valuable supports from my colleagues in BPN who encourage me to improve my knowledge through this study. ii TABLE OF CONTENTS Abstract ............................................................................................................................................................................ i Acknowledgements ....................................................................................................................................................... ii Table of contents .......................................................................................................................................................... iii List of figures.................................................................................................................................................................. v List of tables .................................................................................................................................................................. vi List of abbreviations .................................................................................................................................................... vii 1. Introduction ........................................................................................................................................................... 1 1.1. Background...................................................................................................................................................................1 1.2. Justification ...................................................................................................................................................................2 1.3. Problem Statement ......................................................................................................................................................2 1.4. Research Objective ......................................................................................................................................................2 1.5. Research Questions .....................................................................................................................................................3 1.6. Conceptual Research Framework............................................................................................................................3 1.6.1. Concept of Performance ...............................................................................................................................3 1.6.2. Change of Cadastral Data .............................................................................................................................3 1.6.3. Digital data collection ....................................................................................................................................3 1.6.4. Formulation of Conceptual Research Framework ...................................................................................4 1.7. Research Methodology ...............................................................................................................................................4 1.8. Thesis Structure ...........................................................................................................................................................6 2. How Cadastral Maps Are Updated .................................................................................................................... 7 2.1. Cadastral Data in LIS’s ...............................................................................................................................................7 2.2. Cadastral Map Maintenance ......................................................................................................................................8 2.2.1. Cadastral Map .................................................................................................................................................8 2.2.2. Change of Cadastral Map ........................................................................................................................... 10 2.3. Digital Data Collection for Updating Cadastral Maps ....................................................................................... 11 3. The Digital Pen System......................................................................................................................................15 3.1. The Digital Pen Technology..................................................................................................................................
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