FOSS4G 2023 Prizren

Introduction to basic but important concepts about Coordinate Reference Systems (what is doable in 20 min )

- Geographic Coordinate (Reference) Systems
- Different Datums/Ellipsoids
- Projections (Mercator, UTM, LCC, ...)
- EPSG catalog
- WKT (well known text) description
- Reference to PROJ.org library

The purpose is to explain basic concepts to have a good basis to understand later more complex problems. The presentation will have a lot of links to go deeper into any area of interest.