Package ucar.unidata.geoloc.projection.proj4

Class CylindricalEqualAreaProjection

java.lang.Object

ucar.unidata.geoloc.ProjectionImpl

ucar.unidata.geoloc.projection.proj4.CylindricalEqualAreaProjection

All Implemented Interfaces:

Serializable, Projection

public class CylindricalEqualAreaProjection
extends ProjectionImpl

CylindricalEqualArea Projection. Port from proj4.

See Also:

Serialized Form

Field Summary

Fields inherited from class ucar.unidata.geoloc.ProjectionImpl

atts, defaultMapArea, defaultUnits, EARTH_RADIUS, INDEX_LAT, INDEX_LON, INDEX_X, INDEX_Y, isLatLon, name, PI, PI_OVER_2, PI_OVER_4, TOLERANCE

Constructor Summary

Constructors

Constructor	Description
CylindricalEqualAreaProjection()
CylindricalEqualAreaProjection(double lon0, double trueScaleLatitude, double falseEasting, double falseNorthing, Earth earth)

Method Summary

Modifier and Type	Method	Description
ProjectionImpl	constructCopy()	copy constructor - avoid clone !!
boolean	crossSeam(ProjectionPoint pt1, ProjectionPoint pt2)	Does the line between these two points cross the projection "seam".
boolean	equals(Object o)	Returns true if this represents the same Projection as proj.
int	hashCode()
ProjectionPoint	latLonToProj(LatLonPoint latlon, ProjectionPointImpl xy)	Convert a LatLonPoint to projection coordinates
String	paramsToString()	Get a string representation of the projection parameters
LatLonPoint	projToLatLon(ProjectionPoint ppt, LatLonPointImpl lp)	Convert projection coordinates to a LatLonPoint Note: a new object is not created on each call for the return value.

Methods inherited from class ucar.unidata.geoloc.ProjectionImpl

addParameter, addParameter, addParameter, findProjectionParameter, getClassName, getDefaultMapArea, getDefaultMapAreaLL, getDefaultUnits, getHeader, getName, getProjectionParameters, getProjectionTypeLabel, isLatLon, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProj, latLonToProjBB, projToLatLon, projToLatLon, projToLatLon, projToLatLon, projToLatLon, projToLatLonBB, projToLatLonBBold, setDefaultMapArea, setName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface ucar.unidata.geoloc.Projection

latLonToProj, projToLatLon

Constructor Detail

CylindricalEqualAreaProjection

public CylindricalEqualAreaProjection()

CylindricalEqualAreaProjection

public CylindricalEqualAreaProjection(double lon0,
                                      double trueScaleLatitude,
                                      double falseEasting,
                                      double falseNorthing,
                                      Earth earth)

Method Detail

constructCopy

public ProjectionImpl constructCopy()

Description copied from class: ProjectionImpl

copy constructor - avoid clone !!

Specified by:

constructCopy in class ProjectionImpl

Returns:

a copy of this Projection. TODO return Projection in ver6

paramsToString

public String paramsToString()

Description copied from class: ProjectionImpl

Get a string representation of the projection parameters

Specified by:

paramsToString in interface Projection

Specified by:

paramsToString in class ProjectionImpl

Returns:

string representation of the projection parameters

latLonToProj

public ProjectionPoint latLonToProj(LatLonPoint latlon,
                                    ProjectionPointImpl xy)

Description copied from class: ProjectionImpl

Convert a LatLonPoint to projection coordinates

Specified by:

latLonToProj in interface Projection

Specified by:

latLonToProj in class ProjectionImpl

Parameters:

latlon - convert from these lat, lon coordinates

xy - the object to write to

Returns:

the given destPoint

projToLatLon

public LatLonPoint projToLatLon(ProjectionPoint ppt,
                                LatLonPointImpl lp)

Description copied from class: ProjectionImpl

Convert projection coordinates to a LatLonPoint Note: a new object is not created on each call for the return value.

Specified by:

projToLatLon in interface Projection

Specified by:

projToLatLon in class ProjectionImpl

Parameters:

ppt - convert from these projection coordinates

lp - the object to write to

Returns:

LatLonPoint convert to these lat/lon coordinates

crossSeam

public boolean crossSeam(ProjectionPoint pt1,
                         ProjectionPoint pt2)

Description copied from class: ProjectionImpl

Does the line between these two points cross the projection "seam".

Specified by:

crossSeam in interface Projection

Specified by:

crossSeam in class ProjectionImpl

Parameters:

pt1 - the line goes between these two points

pt2 - the line goes between these two points

Returns:

false if there is no seam

equals

public boolean equals(Object o)

Description copied from class: ProjectionImpl

Returns true if this represents the same Projection as proj.

Specified by:

equals in interface Projection

Specified by:

equals in class ProjectionImpl

Parameters:

o - projection in question

Returns:

true if this represents the same Projection as proj.

hashCode

public int hashCode()

Overrides:

hashCode in class Object