org.geotools.ct.proj
Class PolarStereographic

java.lang.Object
  org.geotools.ct.AbstractMathTransform
      org.geotools.ct.proj.MapProjection
          org.geotools.ct.proj.PlanarProjection
              org.geotools.ct.proj.Stereographic
                  org.geotools.ct.proj.PolarStereographic

All Implemented Interfaces:

MathTransform, MathTransform2D, java.io.Serializable

public class PolarStereographic

extends Stereographic

The polar case of the stereographic projection. This default implementation uses USGS equation (i.e. iteration) for computing the inverse transform.

Version:

$Id: PolarStereographic.java 17672 2006-01-19 00:25:55Z desruisseaux $

Author:

Andr? Gosselin, Martin Desruisseaux, Rueben Schulz

See Also:

Serialized Form

Field Summary

Fields inherited from class org.geotools.ct.proj.MapProjection

centralMeridian, e, es, falseEasting, falseNorthing, globalScale, isSpherical, latitudeOfOrigin, scaleFactor, semiMajor, semiMinor

Fields inherited from interface org.geotools.ct.MathTransform2D

IDENTITY

Constructor Summary

protected

PolarStereographic(Projection parameters) Deprecated. Construct a polar stereographic projection.

Method Summary

boolean	equals(java.lang.Object object) Deprecated. Compares the specified object with this map projection for equality.
int	hashCode() Deprecated. Returns a hash value for this map projection.
protected java.awt.geom.Point2D	inverseTransformNormalized(double x, double y, java.awt.geom.Point2D ptDst) Deprecated. Transforms the specified (x,y) coordinate (units in meters) and stores the result in ptDst (linear distance on a unit sphere).
protected java.awt.geom.Point2D	transformNormalized(double x, double y, java.awt.geom.Point2D ptDst) Deprecated. Transforms the specified (x,y) coordinate (units in radians) and stores the result in ptDst (linear distance on a unit sphere).

Methods inherited from class org.geotools.ct.proj.Stereographic

getName

Methods inherited from class org.geotools.ct.proj.MapProjection

getDimSource, getDimTarget, inverse, toString, transform, transform, transform

Methods inherited from class org.geotools.ct.AbstractMathTransform

createTransformedShape, derivative, derivative, fromGeoAPI, isIdentity, transform

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.geotools.ct.MathTransform2D

createTransformedShape, derivative

Methods inherited from interface org.geotools.ct.MathTransform

derivative, isIdentity, transform

Constructor Detail

PolarStereographic

protected PolarStereographic(Projection parameters)
                      throws MissingParameterException

Deprecated.

Construct a polar stereographic projection.

Parameters:

parameters - The parameter values in standard units.

Throws:

MissingParameterException - if a mandatory parameter is missing.

Method Detail

transformNormalized

protected java.awt.geom.Point2D transformNormalized(double x,
                                                    double y,
                                                    java.awt.geom.Point2D ptDst)
                                             throws ProjectionException

Deprecated.

Transforms the specified (x,y) coordinate (units in radians) and stores the result in ptDst (linear distance on a unit sphere).

Specified by:

transformNormalized in class MapProjection

Parameters:

x - The longitude in radians.

y - The latitude in radians.

ptDst - The destination point, or null.

Returns:

The projected point as a linear distance on a unit sphere.

Throws:

ProjectionException - if the projection failed.

inverseTransformNormalized

protected java.awt.geom.Point2D inverseTransformNormalized(double x,
                                                           double y,
                                                           java.awt.geom.Point2D ptDst)
                                                    throws ProjectionException

Deprecated.

Transforms the specified (x,y) coordinate (units in meters) and stores the result in ptDst (linear distance on a unit sphere).

Specified by:

inverseTransformNormalized in class MapProjection

Parameters:

x - The x ordinate as a linear distance.

y - The y ordinate as a linear distance.

ptDst - The destination point, or null.

Returns:

The geographic point in radians.

Throws:

ProjectionException - if the projection failed.

hashCode

public int hashCode()

Deprecated.

Returns a hash value for this map projection.

Overrides:

hashCode in class MapProjection

equals

public boolean equals(java.lang.Object object)

Deprecated.

Compares the specified object with this map projection for equality.

Overrides:

equals in class MapProjection