Documentation

Some great and useful websites to understand how projections, map visualisation and spatial computation work :

• Measuring distances and areas when your map uses the Mercator projection, esri.com

• Coordinate Systems: What's the Difference?, esri.com

• Cartography Guide "A short, friendly guide to basic principles of map design", axismaps.com

• Measuring Distances and Why Projections Matter (+ Practical Examples), gis-ops.com