Packagecom.esri.aws.awx.map.projection
Classpublic class Stereographic
ImplementsIProjection

Stereographic projection -- Used by the USGS for Arctic and Antarctic maps. The oblique aspect has been used to map circular regions on the moon, Mars, and Mercury. Probably first used by the Egyptians. Perspective. Conformal. Azimuthal (preserve direction from center) Scale increases as you move away from center.


Public Methods
 MethodDefined by
  
Stereographic(lon0:Number, lat1:Number, x0:Number, y0:Number, R:Number, k0:Number)
Stereographic
  
calcHorizon(lat1:Number, lon0:Number):IHorizon
[static]
Stereographic
  
fromGeographic(point:GeoPoint):void
Converts to a pixel point from a projected geographic point (decimal degrees).
Stereographic
  
toGeographic(point:GeoPoint):void
Converts a pixel point to a projected geographic point (decimal degrees).
Stereographic
Constructor detail
Stereographic()constructor
public function Stereographic(lon0:Number, lat1:Number, x0:Number, y0:Number, R:Number, k0:Number)Parameters
lon0:Number
 
lat1:Number
 
x0:Number
 
y0:Number
 
R:Number
 
k0:Number
Method detail
calcHorizon()method
public static function calcHorizon(lat1:Number, lon0:Number):IHorizonParameters
lat1:Number
 
lon0:Number

Returns
IHorizon
fromGeographic()method 
public function fromGeographic(point:GeoPoint):void

Converts to a pixel point from a projected geographic point (decimal degrees).

Parameters
point:GeoPoint
toGeographic()method 
public function toGeographic(point:GeoPoint):void

Converts a pixel point to a projected geographic point (decimal degrees).

Parameters
point:GeoPoint