Geocart Projections

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van der Grinten IV


Geocart menu class: Miscellaneous
Geocart family: van der Grinten
Neither conformal nor equal area


Meridians: Central meridian is straight. Other meridians are circular, equally spaced along the Equator and concave toward the central meridian.
Parallels: Equator is straight. Other parallels are circular, equally spaced on the central meridian and concave toward the nearest pole.
Poles: Points
Symmetry: About the central meridian or the Equator


True along the central meridian and the Equator


Great distortion of area near the 180th meridians at higher latitudes

Other features

The 90th meridians form a complete circle.


World maps, but rarely


Presented by Alphons J. van der Grinten (1852–?) of Chicago in 1904

Other names

“Apple Shaped”

Similar projections

Eisenlohr is conformal.
August Epicycloidal is conformal.

Description adapted from J.P. Snyder and P.M. Voxland, An Album of Map Projections, U.S. Geological Survey Professional Paper 1453. United States Government Printing Office: 1989.