............................................................................................................................................... ii Acknowledgements ............................................................................................................................ iii Chapter 1 Introduction ........................................................................................................................ 1 1.1.
Overview ........................................................................................................................................ 1 1.2.
Problem statement ......................................................................................................................... 2 1.3.
Objectives ...................................................................................................................................... 3 1.4.
Methodology .................................................................................................................................. 3 1.5.
Significance of the research .......................................................................................................... 4 1.6.
Publications from this research ...................................................................................................... 4 1.7.
Overview of the sections in this dissertation .................................................................................. 5 1.8.
Contributions to scientific research ................................................................................................ 6 Chapter 2 Thematic cartography ........................................................................................................ 7 2.1. Introduction .................................................................................................................................... 7 2.2.
Overview ........................................................................................................................................ 7 2.3.
Map design cycle ........................................................................................................................... 8 2.4.
Symbolisation .............................................................................................................................. 11 2.5.
Standardisation and classification methods ................................................................................. 13 2.6.
Overview of thematic map types .................................................................................................. 16 2.7.
Theoretical thematic cartography ................................................................................................ 19 Chapter 3 Web services, OGC standards and Orchestration ........................................................ 23 3.1. Introduction .................................................................................................................................. 23 3.2.
General web services .................................................................................................................. 23 3.3.
OGC web services ....................................................................................................................... 25 3.4.
Orchestration of web services ..................................................................................................... 32 3.5.
Styled Layer Descriptor (SLD) ..................................................................................................... 35 3.6.
Symbol Encoding (SE) and Filter Encoding (FE) ......................................................................... 44 3.7.
Common Query Language (CQL) ................................................................................................ 45 Chapter 4 Spatial data infrastructure and Geoportals ................................................................... 46 4.1.
Introduction .................................................................................................................................. 46 4.2.
Spatial Data Infrastructure (SDI) .................................................................................................. 46