GMT Map Projections

The table below shows the projection codes for the 31 GMT map projections:

PyGMT Projection Argument

Projection Name

Alon0/lat0[/horizon]/width

Lambert azimuthal equal area

Blon0/lat0/lat1/lat2/width

Albers conic equal area

Clon0/lat0/width

Cassini cylindrical

Cyl_stere/[lon0/[lat0/]]width

Cylindrical stereographic

Dlon0/lat0/lat1/lat2/width

Equidistant conic

Elon0/lat0[/horizon]/width

Azimuthal equidistant

Flon0/lat0[/horizon]/width

Azimuthal gnomonic

Glon0/lat0[/horizon]/width

Azimuthal orthographic

Glon0/lat0/width[+aazimuth][+ttilt][+vvwidth/vheight][+wtwist][+zaltitude]

General perspective

H[lon0/]width

Hammer equal area

I[lon0/]width

Sinusoidal equal area

J[lon0/]width

Miller cylindrical

Kf[lon0/]width

Eckert IV equal area

Ks[lon0/]width

Eckert VI equal area

Llon0/lat0/lat1/lat2/width

Lambert conic conformal

M[lon0/[lat0/]]width

Mercator cylindrical

N[lon0/]width

Robinson

Oalon0/lat0/azimuth/width[+v]

Oblique Mercator, 1: origin and azimuth

Oblon0/lat0/lon1/lat1/width[+v]

Oblique Mercator, 2: two points

Oclon0/lat0/lonp/latp/width[+v]

Oblique Mercator, 3: origin and pole

Pwidth[+a][+f[e|p|radius]][+roffset][+torigin][+z[p|radius]]

Polar [azimuthal] (\(\theta, r\)) (or cylindrical)

Poly/[lon0/[lat0/]]width

Polyconic

Q[lon0/[lat0/]]width

Equidistant cylindrica

R[lon0/]width

Winkel Tripel

Slon0/lat0[/horizon]/width

General stereographic

Tlon0[/lat0]/width

Transverse Mercator

Uzone/width

Universal Transverse Mercator (UTM)

V[lon0/]width

Van der Grinten

W[lon0/]width

Mollweide

Xwidth[l|pexp|T|t][/height[l|pexp|T|t]][d]

Linear, logarithmic, power, and time

Ylon0/lat0/width

Cylindrical equal area