Map Projections - Spatial Mathematics: Theory and Practice through Mapping - page 195

(a)

(b)

Oblique

Plane of
projection

Polar Equatorial

Equator

(c)

Oblique

Plane of
projection Equator

Polar Equatorial

Point of projection

(d)

Oblique

Plane of
projection

Equatorial

Polar

Equator

(e)

Oblique

Plane of
projection

Equatorial

Polar

Equator

Figure 9.2 (a) Conic projection based on two standard parallels. (b) Gnomonic projec-
tion, polar, oblique, and equatorial positions . (c) Stereographic projection, polar,
oblique, and equatorial positions. (d) Orthographic projection, polar, oblique, and
equatorial positions. (e) Azimuthal Equidistant projection, polar, oblique, and
equatorial positions. QR code to first linked source appears later in this chapter.
Source: http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html. Source for
extra views: Internet Archive WayBackMachine: Map Projection Pages, 2005, http://
web.archive.org/web/20070104121606/http://www.3dsoftware.com/Cartography/
USGS/MapProjections/ . Images based on material from Snyder, 1987 and Snyder
and Voxland, 1994. Extra material (Weisstein, 1999: http://mathworld.wolfram.
com/ConicProjection.html. )