18 January 2020

Tissot's indicatrix

The world of GIS and cartography has lots of little treats hidden away for you to discover. One of them is the development of Tissot's indicatrix. The simple description is that these are ellipses that illustrate map projection distortion. But if you read up on it, there much more going on than is at first obvious.

And if reading about it isn't enough for you, it also inspired a song.





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