Mapping

1. Azimuthal projections
The default is to enclose the map in a circular boundary (chosen using either of
the latter two options), but a rectangular one can also be specified. However,
rectangular maps are usually better drawn using a cylindrical or conic projection
of some sort.
This rotates the figure so that the central longitude is not vertical.
Some Azimuthal projections:
1.1 Stereographic The stereographic projection is conformal, but not equalarea.
This projection is often used for polar regions.
1.2 Orthographic This projection is neither equal-area nor conformal, but
resembles a perspective view of the globe.
1.3 Azimuthal Equal-Area Sometimes called the Lambert azimuthal equal-area
projection, this mapping is equal-area but not conformal.
1.4 Azimuthal Equidistant This projection is neither equal-area nor conformal,
but all distances and directions from the central point are true.