constant of the cone


Also found in: Dictionary.

constant of the cone

[′kän·stənt əvthə ′kōn]
(mapping)
The chart convergence factor for a conic projection.

constant of the cone

constant of the cone
The ratio of convergence between any two meridians on a map or a chart to the actual change of longitude between them. Constant of the Cone = Sector Angle/360 = Chart Convergence/Change of Longitude.
Full browser ?