Add support for other radii in Miller projection + tests #1138
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It does not support ellipses, so warn about that in the same way as the Orthographic projection.
dopplershift
approved these changes
Oct 2, 2018
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Rationale
I just wanted to add tests for the Miller projection, but Snyder's examples use a different radius than the one hard-coded in Cartopy. So I added support for other radii. This meant removing the hard-coded limits, based on the equations in Snyder.
Implications
There are now tests for the Miller projection.