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Map projection figures

This notebook regenerates figures for the map-projection writeup. The first cell below redraws Figure1 using only Python, matplotlib, and the local triangulated-land.json data.

Saved /Users/mcmcclur/GitHubDocuments/MarksMath/writ/MapProjection/newFigures/Figure1.png
Saved /Users/mcmcclur/GitHubDocuments/MarksMath/writ/MapProjection/newFigures/Figure1.pdf

Figure 4

This figure uses two rhumb lines intersecting at a chosen point on the sphere. In the Mercator panel those rhumb lines become straight lines and preserve their angle, while the equirectangular panel distorts that angle.

Figure 5

Figure 9

 

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