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Stereographic

Name Stereographic
Model Azimuthal
Type n/a
Meridians Polar: Straight lines radiating from point of tangency

Oblique: Arcs of circles concave toward straight central meridian

Equatorial: Arcs of circles concave toward straight central meridian

Parallels Polar: Concentric circles

Oblique: Non-conic arcs of circles concave towards one of the poles

Equatorial: Non-conic arcs of circles concave towards the poles

Spacing Meridian Increases away from the center
Spacing Parallels Increases away from the center
Linear Scale Increases toward the edges
Specialties Directions from the center are true

Generally only one hemisphere is displayed

Uses Spherical geometry physics

Most widely used of the Azimuthal projections

Polar maps

Example