Origin of gnomonic
Examples from the Web for gnomonic
Gnomonic and conical projections are also used for the polar charts, differing little from the foregoing for moderate areas.
The distortion, however, is necessarily enormous when the celestial sphere is presented in only six gnomonic maps.Half-hours with the Telescope|Richard A. Proctor
A modified or composite course can readily be laid out on a gnomonic chart.
Another kind of projection in common use is the “gnomonic projection” (fig. 12).