Lesson 2: The Evil is in The Data

In this lesson, students will learn the basic principles and concepts of GIS data models. Related properties such as map projection, coordinates systems, georeferencing, geocoding, data storage formats will be discussed too. Open data sources from the global communities as well as Singapore government agencies will be shared too.
Published

November 21, 2022

Content

  • Representing Real World Geography
    • Digital representation
    • The fundamental problem
    • The spatial data models
    • Topology data models
  • Georeferencing
    • Basic concepts of projections and coordinates
    • Georeferencing
    • Geocoding
  • Geospatial data modelling
    • Geospatial database design
    • Spatial Metadata
    • Spatial indexing
    • Multi-user editing and versioning
  • Geospatial Data Repositories
    • File-based
    • Geospatial RDBMS
    • Cloud based geospatial database

Lesson Slides and Hands-on Notes

  • Lesson slide in html format.
  • Hands-on Exercise in html format.

Readings

Core Readings

Additional Readings

All About QGIS