Gall isographic projection

Gall isographic projection is a specific instance of equirectangular projection such that its standard parallels are north and south 45°. The projection is named after James Gall, who presented it in 1855.

Gall isographic projection. 15° graticule.

See also

Gall–Peters projection Gall stereographic projection

External links

Gall Isographic Projection, from Mathworks

Mercator-conformal	Gauss–Krüger Transverse Mercator Oblique Mercator
Equal-area	Balthasart Behrmann Gall–Peters Hobo–Dyer Lambert Smyth equal-surface Trystan Edwards
Cassini Central Equirectangular Gall stereographic Gall isographic Miller Space-oblique Mercator Web Mercator

Pseudocylindrical

Equal-area	Collignon Eckert II Eckert IV Eckert VI Equal Earth Goode homolosine Mollweide Sinusoidal Tobler hyperelliptical
Kavrayskiy VII Wagner VI Winkel I and II

Azimuthal
(planar)

General perspective	Gnomonic Orthographic Stereographic
Equidistant Lambert equal-area

Pseudoazimuthal

Bonne	Sinusoidal Werner
Bottomley	Sinusoidal Werner
Cylindrical	Balthasart Behrmann Gall–Peters Hobo–Dyer Lambert cylindrical equal-area Smyth equal-surface Trystan Edwards
Tobler hyperelliptical	Collignon Mollweide
Albers Briesemeister Eckert II Eckert IV Eckert VI Equal Earth Goode homolosine Hammer Lambert azimuthal equal-area Quadrilateralized spherical cube Strebe 1995

Equidistant in
some aspect

Gnomonic

Retroazimuthal
(Mecca or Qibla)

By construction

Planar	Gnomonic Orthographic Stereographic
Central cylindrical

See also
Interruption (map projection) Latitude Longitude Tissot's indicatrix Map projection of the tri-axial ellipsoid

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