X-Nico

unusual facts about Map projection


SAGA GIS

Projections: various coordinate transformations for vector and grid data (using Proj4 and GeoTrans libraries), georeferencing of grids.


Barrington Atlas of the Greek and Roman World

The projection of the maps is Lambert Conformal Conic.

Gall stereographic projection

The Gall stereographic projection, presented by James Gall in 1855, is cylindrical projection.

Gall–Peters projection

The Gall–Peters projection, named after James Gall and Arno Peters, is one specialization of a configurable equal-area map projection known as the equal-area cylindric or cylindrical equal-area projection.

Tissot's indicatrix

Tissot’s indicatrix (Tissot indicatrix, Tissot’s ellipse, Tissot ellipse, ellipse of distortion) is a mathematical contrivance presented by French mathematician Nicolas Auguste Tissot in 1859 and 1871 in order to characterize distortions due to map projection.


see also

Mercator Ice Piedmont

The ice piedmont was surveyed by the Falkland Islands Dependencies Survey in December 1958, and was named by the UK Antarctic Place-Names Committee after Flemish mathematician and geographer Gerardus Mercator, the originator, in 1568, of the map projection which bears his name.