also: だいけんずほう
gnomonic projection; central projection
A map projection where all great circles are represented as straight lines. Used in navigation and seismology. The cross-reference 心射図法 is a synonym.
See also: 心射図法
In a gnomonic projection, great-circle routes are represented as straight lines.
この地図は大圏図法で描かれている。
This map is drawn using a gnomonic projection.
Synonym for 大圏図法; both refer to gnomonic projection.
Mercator projection, where rhumb lines are straight but great circles are curved.
Standard kanji spelling for this cartographic term.
Alternate reading; たいけんずほう is more common.
Compound of 大圏 (great circle) + 図法 (projection method). The reading たいけん is the standard on'yomi for 大圏; だいけん is a less common variant.