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This cylindrical projection, presented by Osborn Maitland Miller of the American Geographic Society in 1942, is neither equal nor conformal. All meridians and parallels are straight lines. The projection was designed to be a compromise between Mercator and other cylindrical projections. Specifically, Miller spaced the parallels by using Mercator’s formula with 0.8 times the actual latitude, thus avoiding the singular poles; the result was then divided by 0.8.
j[lon0/]/scale or J[lon0/]/width
The projection is set with j or J. The central meridian is set by the optional lon0, and the figure size is set with scale or width.
import pygmt fig = pygmt.Figure() fig.coast( region=[-180, 180, -80, 80], projection="J-65/12c", land="khaki", water="azure", shorelines="thinnest", frame="afg", ) fig.show()
Total running time of the script: ( 0 minutes 1.319 seconds)