public class TLcdPolarStereographic extends ALcdProjection implements Cloneable
Azimuthal conformal projection with a projection point opposite the origin of the projection, which is either the north pole or the south pole. Default construction is the north polar aspect.
true
.
ILcdProjection projection =
new TLcdPolarStereographic(TLcdPolarStereographic.NORTH_POLE);
The equations of the polar stereographic projection are taken from [Snyder1987].
TLcdStereographic
,
Serialized FormModifier and Type | Field and Description |
---|---|
static int |
NORTH_POLE
Constant used to specify the polar stereographic projection is
set for the north polar aspect.
|
static int |
SOUTH_POLE
Constant used to specify the polar stereographic projection is
set for the south polar aspect.
|
fPropertyChangeDispatcher
EPSILON
Constructor and Description |
---|
TLcdPolarStereographic()
Constructs a polar stereographic projection for a sphere with the origin
at the north pole.
|
TLcdPolarStereographic(int aPole)
Constructs a polar stereographic projection for a sphere with the origin
at the north pole or the south pole.
|
Modifier and Type | Method and Description |
---|---|
double[][] |
boundaryLats(double lon)
Default implementation.
|
double[][] |
boundaryLons(double lat)
Default implementation.
|
Object |
clone()
Makes a deep clone of this
ILcdProjection . |
boolean |
equals(Object o)
Checks if this
ILcdProjection equals some other Object. |
double |
getCentralMeridian()
Returns the meridian that is projected as a line along the Y-axis in the projected plane.
|
double |
getLatitudeExtent()
How far the projection extends from the pole, in degrees latitude.
|
ILcdPoint |
getOrigin()
Origin of the projection is the
ILcd2DEditablePoint that
corresponds with origin (0, 0) of the cartesian coordinate system of the
projection. |
int |
getPole()
Returns the polar aspect of the polar stereographic projection.
|
double |
getTrueScaleLatitude()
Returns the latitude which is made standard, with true scale.
|
int |
hashCode() |
boolean |
inLonLatBounds(ILcdPoint aLLP)
Checks if an
ILcdPoint is inside the valid area of geodetic
coordinates of the projection. |
boolean |
inWorldBoundsOnEllipsoid(ILcdPoint aXYPoint,
ILcdEllipsoid aEllipsoid)
Default implementation calls
inWorldBoundsOnSphere with
aEllipsoid.getAuxRadius() as sphere radius. |
boolean |
inWorldBoundsOnSphere(ILcdPoint aXYPoint,
double aRadius)
Checks if a
ILcdPoint is inside the valid cartesian area of
the projection. |
boolean |
isAllInBounds()
If all geodetic coordinates (l ,j ) are projected (visible) by an
ILcdProjection
and all (x,y ) coordinates are bounded this is true . |
boolean |
isContinuous()
An
ILcdProjection is continuous if there are no interruptions
in the world coordinates. |
void |
loadProperties(String aPrefix,
Properties aProperty)
Loads the property of pole of a
TLcdPolarStereographic . |
void |
lonlatheight2worldOnEllipsoidSFCT(ILcdPoint aLLHP,
ILcdEllipsoid aEllipsoid,
ILcd2DEditablePoint aWorldPoint)
Default implementation calls
lonlatheight2worldOnEllipsoidSFCT
with aEllipsoid.getAuxRadius() as sphere radius. |
void |
lonlatheight2worldOnSphereSFCT(ILcdPoint aLLHP,
double aRadius,
ILcd2DEditablePoint aWorldPoint)
Transforms an
ILcd2DEditablePoint on a sphere into the
cartesian coordinate system of the projection. |
void |
setCentralMeridian(double aCentralMeridian)
Sets the meridian that should be a line along the Y-axis in the projected plane.
|
void |
setLatitudeExtent(double aLatitudeExtent)
Sets the latitude extent of this Polar Stereo projection, which is how far the projection extends
outwards from the poles, in degrees latitude.
|
void |
setPole(int aPole)
Sets the polar aspect of the polar stereographic projection.
|
void |
setTrueScaleLatitude(double aLatitude)
Sets the latitude which is made standard, with true scale.
|
String |
toString()
Returns the
String representation of the PolarStereographic projection. |
void |
world2DEditableBoundsOnEllipsoidSFCT(ILcdEllipsoid aEllipsoid,
ILcd2DEditableBounds aWorldBoundsSFCT)
Default implementation calls
world2lonlatOnSphereSFCT with
aEllipsoid.getAuxRadius() as sphere radius. |
void |
world2DEditableBoundsOnSphereSFCT(double aRadius,
ILcd2DEditableBounds aWorldBoundsSFCT)
Projections is cut off: only one hemisphere is shown.
|
void |
world2lonlatOnEllipsoidSFCT(ILcdPoint aXYPoint,
ILcdEllipsoid aEllipsoid,
ILcd2DEditablePoint aLLPSFCT)
Default implementation calls
world2lonlatOnSphereSFCT with
aEllipsoid.getAuxRadius() as sphere radius. |
void |
world2lonlatOnSphereSFCT(ILcdPoint aXYPoint,
double aRadius,
ILcd2DEditablePoint aLLPSFCT)
Transforms an
ILcdPoint from the cartesian coordinate system
of the projection into an ILcd2DEditablePoint onto a sphere. |
void |
writePropertiesSFCT(String aPrefix,
Properties aPropertySFCT)
Writes the property of pole of an
TLcdPolarStereographic . |
addPropertyChangeListener, firePropertyChangeEvent, removePropertyChangeListener
public static final int NORTH_POLE
public static final int SOUTH_POLE
public TLcdPolarStereographic()
public TLcdPolarStereographic(int aPole)
aPole
- pole that is the origin of the projection,
NORTH_POLE
for north pole, SOUTH_POLE
for south pole.NORTH_POLE
,
SOUTH_POLE
public ILcdPoint getOrigin()
ILcdProjection
ILcd2DEditablePoint
that
corresponds with origin (0, 0) of the cartesian coordinate system of the
projection.getOrigin
in interface ILcdProjection
public void setPole(int aPole)
aPole
- the new pole property value which is either NORTH_POLE
or SOUTH_POLE
.getPole()
,
NORTH_POLE
,
SOUTH_POLE
public int getPole()
setPole(int)
,
NORTH_POLE
,
SOUTH_POLE
public double getCentralMeridian()
setCentralMeridian(double)
public void setCentralMeridian(double aCentralMeridian)
aCentralMeridian
- the meridian that should become a line along the Y-axis in the projected plane.
Should be a value between -180 and 180. Default value is 0.getCentralMeridian()
public double getTrueScaleLatitude()
public void setTrueScaleLatitude(double aLatitude)
aLatitude
- the latitude which is true to scalepublic boolean isContinuous()
ILcdProjection
ILcdProjection
is continuous if there are no interruptions
in the world coordinates. Most projections are continuous.isContinuous
in interface ILcdProjection
true
if the projection is continuous,
false
otherwise.public boolean isAllInBounds()
ILcdProjection
ILcdProjection
and all (x,y ) coordinates are bounded this is true
.
All ILcdProjection
objects have bounded (x,y )
coordinates because the projection is cut off if necessary.isAllInBounds
in interface ILcdProjection
true
if all LonLatPoints are within the bounds of
the projection, false
otherwise.public void lonlatheight2worldOnSphereSFCT(ILcdPoint aLLHP, double aRadius, ILcd2DEditablePoint aWorldPoint) throws TLcdOutOfBoundsException
ILcdProjection
ILcd2DEditablePoint
on a sphere into the
cartesian coordinate system of the projection.lonlatheight2worldOnSphereSFCT
in interface ILcdProjection
aLLHP
- point to be projected.aRadius
- radius of the sphere (meters).aWorldPoint
- projected point as side effect.TLcdOutOfBoundsException
- If the
ILcdPoint
aLLHP
is not within the valid area
of the projection (visible area), then this exception is thrown.public void lonlatheight2worldOnEllipsoidSFCT(ILcdPoint aLLHP, ILcdEllipsoid aEllipsoid, ILcd2DEditablePoint aWorldPoint) throws TLcdOutOfBoundsException
ALcdProjection
lonlatheight2worldOnEllipsoidSFCT
with aEllipsoid.getAuxRadius()
as sphere radius.lonlatheight2worldOnEllipsoidSFCT
in interface ILcdProjection
lonlatheight2worldOnEllipsoidSFCT
in class ALcdProjection
aLLHP
- point to be projected.aEllipsoid
- ellipsoid on which the point is defined.aWorldPoint
- projected point as side effect.TLcdOutOfBoundsException
- If the
ILcdPoint
aLLHP
is not within the valid area
of the projection (visible area), then this exception is thrown.public void world2lonlatOnSphereSFCT(ILcdPoint aXYPoint, double aRadius, ILcd2DEditablePoint aLLPSFCT) throws TLcdOutOfBoundsException
ILcdProjection
ILcdPoint
from the cartesian coordinate system
of the projection into an ILcd2DEditablePoint
onto a sphere.world2lonlatOnSphereSFCT
in interface ILcdProjection
aXYPoint
- projected point for which the corresponding geodetic point is sought.aRadius
- radius of the sphere (meters).aLLPSFCT
- resulting geodetic coordinate as side effect.TLcdOutOfBoundsException
- If the
ILcdPoint
aXYPoint
is not within the valid
area of the projection (visible area), then this exception is thrown.public void world2lonlatOnEllipsoidSFCT(ILcdPoint aXYPoint, ILcdEllipsoid aEllipsoid, ILcd2DEditablePoint aLLPSFCT) throws TLcdOutOfBoundsException
ALcdProjection
world2lonlatOnSphereSFCT
with
aEllipsoid.getAuxRadius()
as sphere radius.world2lonlatOnEllipsoidSFCT
in interface ILcdProjection
world2lonlatOnEllipsoidSFCT
in class ALcdProjection
aXYPoint
- projected point for which the corresponding geodetic point is sought.aEllipsoid
- ellipsoid on which the geodetic coordinate is defined.aLLPSFCT
- resulting geodetic coordinate as side effect.TLcdOutOfBoundsException
- If the
ILcdPoint
aXYPoint
is not within the valid
area of the projection (visible area), then this exception is thrown.public boolean inLonLatBounds(ILcdPoint aLLP)
ILcdProjection
ILcdPoint
is inside the valid area of geodetic
coordinates of the projection. The valid area is determined by the
LonLatPoints that are visible and for which the corresponding cartesian
coordinate is within the boundaries.inLonLatBounds
in interface ILcdProjection
aLLP
- ILcdPoint
to be checked upon.true
if valid, false
if invalid.public double[][] boundaryLons(double lat)
ALcdProjection
boundaryLons
in interface ILcdProjection
boundaryLons
in class ALcdProjection
lat
- latitude in decimal degrees and -90.0 <= aLat
<= 90.0.public double[][] boundaryLats(double lon)
ALcdProjection
boundaryLats
in interface ILcdProjection
boundaryLats
in class ALcdProjection
lon
- longitude in decimal degrees -180.0 <= lon <= 180.0 .public boolean inWorldBoundsOnSphere(ILcdPoint aXYPoint, double aRadius)
ILcdProjection
ILcdPoint
is inside the valid cartesian area of
the projection. The valid cartesian area is determined naturally by the
projection bounds or by an artificial introduced boundary limit because
some cartesian points are at infinity. The shape of the valid cartesian
area is in many cases rectangular or circular although it might be more
complex.inWorldBoundsOnSphere
in interface ILcdProjection
aXYPoint
- point to be checked upon.aRadius
- radius of the sphere.true
if valid, false
if invalid.public void world2DEditableBoundsOnSphereSFCT(double aRadius, ILcd2DEditableBounds aWorldBoundsSFCT)
world2DEditableBoundsOnSphereSFCT
in interface ILcdProjection
aRadius
- radius of the sphere.aWorldBoundsSFCT
- the bounds of the projection in world coordinates as side effect.public boolean inWorldBoundsOnEllipsoid(ILcdPoint aXYPoint, ILcdEllipsoid aEllipsoid)
ALcdProjection
inWorldBoundsOnSphere
with
aEllipsoid.getAuxRadius()
as sphere radius.inWorldBoundsOnEllipsoid
in interface ILcdProjection
inWorldBoundsOnEllipsoid
in class ALcdProjection
aXYPoint
- point to be checked upon.aEllipsoid
- ellipsoid on which the geodetic coordinate is defined.true
if valid, false
if invalid.ILcdProjection.inWorldBoundsOnSphere(com.luciad.shape.ILcdPoint, double)
public void world2DEditableBoundsOnEllipsoidSFCT(ILcdEllipsoid aEllipsoid, ILcd2DEditableBounds aWorldBoundsSFCT)
ALcdProjection
world2lonlatOnSphereSFCT
with
aEllipsoid.getAuxRadius()
as sphere radius.world2DEditableBoundsOnEllipsoidSFCT
in interface ILcdProjection
world2DEditableBoundsOnEllipsoidSFCT
in class ALcdProjection
aEllipsoid
- ellipsoid considered.aWorldBoundsSFCT
- the bounds of the projection in world coordinates as side effect.public String toString()
String
representation of the PolarStereographic projection.toString
in interface ILcdProjection
toString
in class Object
String
representation of the PolarStereographic projection.public boolean equals(Object o)
ILcdProjection
ILcdProjection
equals some other Object.equals
in interface ILcdProjection
equals
in class Object
o
- Object to compare with.ILcdProjection
class and having the same
projection properties, false otherwise.public Object clone()
ILcdProjection
ILcdProjection
.clone
in interface ILcdProjection
clone
in class ALcdProjection
ILcdProjection
.public void loadProperties(String aPrefix, Properties aProperty) throws IllegalArgumentException
TLcdPolarStereographic
.
This method will, given aPrefix, analyze the aProperties object
to set the properties of this TLcdPolarStereographic
.
The value of following key is retrieved:
loadProperties
in interface ILcdProjection
aPrefix
- prefix for property names.aProperty
- Properties object containing the serialized projection.IllegalArgumentException
public void writePropertiesSFCT(String aPrefix, Properties aPropertySFCT)
TLcdPolarStereographic
.
This method will, given aPrefix, store into the aPropertiesSFCT object
the properties of this TLcdPolarStereographic
.
The value of following key is stored:
writePropertiesSFCT
in interface ILcdProjection
aPrefix
- prefix for property names.aPropertySFCT
- Properties object in which to store the serialized
projection properties as side effect.public double getLatitudeExtent()
public void setLatitudeExtent(double aLatitudeExtent)
aLatitudeExtent
- the latitude extent of this polar stereographic projection, in degrees latitude.