The equal-area Hammer projection, first presented by the German mathematician Ernst von Hammer in 1892, is also known as Hammer-Aitoff (the Aitoff projection looks similar, but is not equal-area). The border is an ellipse, equator and central meridian are straight lines, while other parallels and meridians are complex curves.

h[lon0/]scale or H[lon0/]width

The projection is set with h or H. The central meridian is set with the optional lon0, and the figure size is set with scale or width.

misc hammer


<IPython.core.display.Image object>

import pygmt

fig = pygmt.Figure()
# Use region "d" to specify global region (-180/180/-90/90)
fig.coast(region="d", projection="H12c", land="black", water="cornsilk", frame="afg")

Total running time of the script: ( 0 minutes 1.038 seconds)

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