November 2018
Beginner to intermediate
214 pages
5h 2m
English
Content preview from Mastering Matplotlib 2.x
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The basemap methods
Before we get started, let's think a little bit about map projections. We have already seen the visualized data showing population density in the United States:
It is known that the earth is a sphere, but your screen is not a sphere, it's actually a flat Euclidean plane. So, translating points from the surface of a sphere onto the points on the surface of this flat plane is actually non-trivial. We can't unroll a sphere into a flat plane without tearing or distorting that sphere, and so, most of the time when you're dealing with a map, you're actually looking at a projection.
But Mercator is only one of many projections. ...
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