| 释义 | constant of the cone
 constant of the coneFor Lambert Conical Orthomorphic projection, see grid convergence factor. See also convergence factor.constant of the cone
 constant of the cone[′kän·stənt əvthə ′kōn]  (mapping) The chart convergence factor for a conic projection.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. |