Learn what a map projection is, why they are used and what impact they have on maps GIS systems. We will taker a closer look at the popular Mercator projection and examine how the projection affects area and distance calculations.

0:00 Beginner's guide to map projections
0:37 What is a map projection?
2:24 The Web Mercator projection
2:58 Distortion in the Web Mercator projection
3:54 The size of Greenland in Web Mercator vs actual
4:21 So what? What impact does this distortion have on me?



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Hosted by: Chris Brown

Leaflet Geodesy plugin featured in the video: https://github.com/mapbox/leafletgeo...

Credit to Jason Davies for the animated transformation video: https://www.jasondavies.com/

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