Projections
Projections are coordinate operations that are technically conversions but since projections are so fundamental to PROJ we differentiate them from conversions.
Projections map the spherical 3D space to a flat 2D space.
- Adams Hemisphere in a Square
- Adams World in a Square I
- Adams World in a Square II
- Albers Equal Area
- Azimuthal Equidistant
- Airy
- Aitoff
- Modified Stereographic of Alaska
- Apian Globular I
- August Epicycloidal
- Bacon Globular
- Bertin 1953
- Bipolar conic of western hemisphere
- Boggs Eumorphic
- Bonne (Werner lat_1=90)
- Cal Coop Ocean Fish Invest Lines/Stations
- Cassini (Cassini-Soldner)
- Central Cylindrical
- Central Conic
- Equal Area Cylindrical
- Chamberlin Trimetric
- Collignon
- Colombia Urban
- Compact Miller
- Craster Parabolic (Putnins P4)
- Denoyer Semi-Elliptical
- Eckert I
- Eckert II
- Eckert III
- Eckert IV
- Eckert V
- Eckert VI
- Equidistant Cylindrical (Plate Carrée)
- Equidistant Conic
- Equal Earth
- Euler
- Fahey
- Foucaut
- Foucaut Sinusoidal
- Gall (Gall Stereographic)
- Geostationary Satellite View
- Ginsburg VIII (TsNIIGAiK)
- General Sinusoidal Series
- Gnomonic
- Goode Homolosine
- Modified Stereographic of 48 U.S.
- Modified Stereographic of the 50 U.S. states
- Guyou
- Hammer & Eckert-Greifendorff
- Hatano Asymmetrical Equal Area
- HEALPix
- rHEALPix
- Interrupted Goode Homolosine
- Interrupted Goode Homolosine (Oceanic View)
- Interrupted Mollweide
- Interrupted Mollweide (Oceanic View)
- International Map of the World Polyconic
- Icosahedral Snyder Equal Area
- Kavrayskiy V
- Kavrayskiy VII
- Krovak
- Laborde
- Lambert Azimuthal Equal Area
- Lagrange
- Larrivee
- Laskowski
- Lambert Conformal Conic
- Lambert Conformal Conic Alternative
- Lambert Equal Area Conic
- Lee Oblated Stereographic
- Loximuthal
- Space oblique for LANDSAT
- McBryde-Thomas Flat-Polar Sine (No. 1)
- McBryde-Thomas Flat-Pole Sine (No. 2)
- McBride-Thomas Flat-Polar Parabolic
- McBryde-Thomas Flat-Polar Quartic
- McBryde-Thomas Flat-Polar Sinusoidal
- Mercator
- Miller Oblated Stereographic
- Miller Cylindrical
- Space oblique for MISR
- Modified Krovak
- Mollweide
- Murdoch I
- Murdoch II
- Murdoch III
- Natural Earth
- Natural Earth II
- Nell
- Nell-Hammer
- Nicolosi Globular
- Near-sided perspective
- New Zealand Map Grid (EPSG:27200)
- General Oblique Transformation
- Oblique Cylindrical Equal Area
- Oblated Equal Area
- Oblique Mercator
- Ortelius Oval
- Orthographic
- Patterson
- Perspective Conic
- Peirce Quincuncial
- Polyconic (American)
- Putnins P1
- Putnins P2
- Putnins P3
- Putnins P3'
- Putnins P4'
- Putnins P5
- Putnins P5'
- Putnins P6
- Putnins P6'
- Quartic Authalic
- Quadrilateralized Spherical Cube
- Robinson
- Roussilhe Stereographic
- Rectangular Polyconic
- S2
- Spherical Cross-track Height
- Sinusoidal (Sanson-Flamsteed)
- Space Oblique Mercator (SOM)
- Swiss Oblique Mercator
- Stereographic
- Oblique Stereographic Alternative
- Gauss-Schreiber Transverse Mercator (aka Gauss-Laborde Reunion)
- Transverse Central Cylindrical
- Transverse Cylindrical Equal Area
- Times
- Tissot
- Transverse Mercator
- Tobler-Mercator
- Two Point Equidistant
- Tilted perspective
- Universal Polar Stereographic
- Urmaev V
- Urmaev Flat-Polar Sinusoidal
- Universal Transverse Mercator (UTM)
- van der Grinten (I)
- van der Grinten II
- van der Grinten III
- van der Grinten IV
- Vitkovsky I
- Wagner I (Kavrayskiy VI)
- Wagner II
- Wagner III
- Wagner IV
- Wagner V
- Wagner VI
- Wagner VII
- Web Mercator / Pseudo Mercator
- Werenskiold I
- Winkel I
- Winkel II
- Winkel Tripel