src/util/WWMath.js
function (latitude) {
                return Math.log(Math.tan(Math.PI / 4 + (latitude * Angle.DEGREES_TO_RADIANS) / 2)) / Math.PI;
            }
function (latitude) {
                return Math.log(Math.tan(Math.PI / 4 + (latitude * Angle.DEGREES_TO_RADIANS) / 2)) / Math.PI;
            }
function ( latitude ) { return Math . log ( Math . tan ( Math . PI / 4 + ( latitude * Angle . DEGREES_TO_RADIANS ) / 2 ) ) / Math . PI ; }
Calculates the Gudermannian inverse used to unproject Mercator projections.
@param {Number} latitude The latitude in degrees.
@returns {Number} The Gudermannian inverse for the specified latitude.
Calculates the Gudermannian inverse used to unproject Mercator projections .