Coordinate Reference Systems

A Coordinate Reference System is a method of projecting positions in the world onto screen/paper.

The surface of the Earth is curved, but paper is flat. These two facts mean that paper maps will always be slightly distorted. Different coordinate reference systems are designed to minimise the distortion in different ways. Some coordinate reference systems show orientation accurately, some show areas accurately etc.

The following is a list of the available Coordinate Reference System types.

• Alaska Grid (Modified-Stereographic Conformal for Alaska)
  
• Albers Conic Equal-Area
  
• Azimuthal Equidistant
  
• Bonne
  
• Cassini
  
• Coordinate Reference System
  
• Craster Parabolic
  
• Cylindrical Equal-Area
  
• Eckert I
  
• Eckert II
  
• Eckert III
  
• Eckert IV
  
• Eckert V
  
• Eckert VI
  
• Equidistant Conic
  
• Equirectangular
  
• Gall Stereographic
  
• General Vertical Near-Side Perspective
  
• Geocentric
  
• Gnomonic
  
• Hammer-Aitoff
  
• Hotine Oblique Mercator
  
• Krovak Oblique Conformal Conic
  
• Lambert Azimuthal Equal-Area
  
• Lambert Conformal Conic (1SP)
  
• Lambert Conformal Conic (2SP Belgium)
  
• Lambert Conformal Conic (2SP)
  
• Latitude/Longitude
  
• Local
  
• Matched CRS
  
• McBryde-Thomas flat polar quartic
  
• Mercator
  
• Miller Cylindrical
  
• MollWeide
  
• Oblique Mercator
  
• Oblique Stereographic
  
• Ordnance Survey National Transformation (OSTN02)
  
• Ordnance Survey National Transformation (OSTN97)
  
• Orthographic
  
• Paper
  
• Polar Stereographic
  
• Polyconic
  
• Robinson
  
• Sinusoidal Equal Area
  
• Stereo
  
• Swiss Oblique Cylindrical
  
• Transverse Mercator
  
• Transverse Mercator (Ireland.
  
• Transverse Mercator (Japan)
  
• Transverse Mercator (Great Britain and Ireland)
  
• Transverse Mercator (Series of 60 coordinate reference systems arranged at equal intervals around the equator)
  
• Two Point Equidistant
  
• Van Der Grinten
  
• Winkel I
  

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