public function Sinusoidal(lon0:Number, x0:Number, y0:Number, R:Number)
lon0:Number
x0:Number
y0:Number
R:Number
public function fromGeographic(point:GeoPoint):void
Converts to a pixel point from a projected geographic point (decimal degrees).
point:GeoPoint
public function toGeographic(point:GeoPoint):void
Converts a pixel point to a projected geographic point (decimal degrees).