PositionableProjection (Apache SIS 1.6 API)
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org.apache.sis.gui
org.apache.sis.gui.referencing
PositionableProjection
Contents 
Description
Nested Class Summary
Field Summary
Method Summary
Field Details
ORTHOGRAPHIC
AZIMUTHAL_EQUIDISTANT
UTM
MERCATOR
Method Details
values()
family()
identifier()
toString()
createProjectedCRS(DirectPosition)
createProjectedCRS(GeographicCRS, double, double)
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Class PositionableProjection
Object
CodeList<PositionableProjection>
PositionableProjection
All Implemented Interfaces:
Serializable, Comparable<Positionable­Projection>
public abstract class PositionableProjection
extends CodeList<PositionableProjection>
Provider of map projections centered on a point of interest.
The point of interest is typically determined by mouse location.
Since:
1.1
See Also:
Serialized Form
Nested Class Summary
Nested classes/interfaces inherited from class CodeList
Code­List​.Filter
Field Summary
Fields
Modifier and Type
Field
Description
static final Positionable­Projection
AZIMUTHAL_EQUIDISTANT
Provides Azimuthal Equidistant projection centered on a point of interest.
static final Positionable­Projection
MERCATOR
Provides Mercator (variant C) projection centered on a point of interest.
static final Positionable­Projection
ORTHOGRAPHIC
Provides Orthographic projection centered on a point of interest.
static final Positionable­Projection
UTM
Provides Universal Transverse Mercator projection for the zone in the point of interest.
Method Summary
All MethodsStatic MethodsInstance MethodsAbstract MethodsConcrete Methods
Modifier and Type
Method
Description
Projected­CRS
create­Projected­CRS(Direct­Position center)
Creates a map projection centered on the given position.
protected abstract Projected­CRS
create­Projected­CRS(Geographic­CRS base­CRS,
double latitude,
double longitude)
Creates a map projection centered on the given latitude and longitude.
Positionable­Projection[]
family()
Returns the list of codes of the same kind as this code list element.
String
identifier()
Disables the search for UML identifiers because we do not export this package to GeoAPI.
String
to­String()
Returns a name for this enumeration which can be used in a user interface.
static Positionable­Projection[]
values()
Returns the list of Positionable­Projections.
Methods inherited from class CodeList
compare­To, name, names, ordinal, read­Resolve, value­Of, value­Of
Methods inherited from class Object
clone, equals, finalize, get­Class, hash­Code, notify, notify­All, wait, wait, wait
Field Details
ORTHOGRAPHIC
public static final PositionableProjection ORTHOGRAPHIC
Provides Orthographic projection centered on a point of interest.
AZIMUTHAL_EQUIDISTANT
public static final PositionableProjection AZIMUTHAL_EQUIDISTANT
Provides Azimuthal Equidistant projection centered on a point of interest.
For projection on the ellipsoid, this is valid only under 800 km of the point of interest.
UTM
public static final PositionableProjection UTM
Provides Universal Transverse Mercator projection for the zone in the point of interest.
MERCATOR
public static final PositionableProjection MERCATOR
Provides Mercator (variant C) projection centered on a point of interest.
Method Details
values
public static PositionableProjection[] values()
Returns the list of Positionable­Projections.
Returns:
the list of codes declared in the current JVM.
family
public PositionableProjection[] family()
Returns the list of codes of the same kind as this code list element.
Invoking this method is equivalent to invoking values(), except that
this method can be invoked on an instance of the parent Code­List class.
Specified by:
family in class Code­List<Positionable­Projection>
Returns:
all code values for this code list.
identifier
public String identifier()
Disables the search for UML identifiers because we do not export this package to GeoAPI.
Overrides:
identifier in class Code­List<Positionable­Projection>
Returns:
null.
toString
public String toString()
Returns a name for this enumeration which can be used in a user interface.
Overrides:
to­String in class Code­List<Positionable­Projection>
Returns:
a human-readable name for the projection created by this enumeration.
createProjectedCRS
public ProjectedCRS createProjectedCRS(DirectPosition center)
throws FactoryException,
TransformException
Creates a map projection centered on the given position. The position must have a coordinate reference system,
but that CRS does not need to be geographic. The projection created by this method will use the same reference
frame (datum) than the given position.
The default implementation converts the position to latitude and longitude values and delegates to
create­Projected­CRS(org​.opengis​.referencing​.crs​.Geographic­CRS, double, double).
Parameters:
center - the position at the center of the projection to create.
Returns:
projection centered on the given position.
Throws:
Factory­Exception - if an error occurred while creating the projection.
Transform­Exception - if an error occurred while converting the given position.
createProjectedCRS
protected abstract ProjectedCRS createProjectedCRS(GeographicCRS baseCRS,
double latitude,
double longitude)
throws FactoryException
Creates a map projection centered on the given latitude and longitude.
Parameters:
base­CRS - the base CRS of the projection to create.
latitude - latitude of projection center in degrees.
longitude - longitude of projection center in degrees.
Returns:
projection centered on the given position.
Throws:
Factory­Exception - if an error occurred while creating the projection.