org.gvsig.fmap.geom.primitive.impl
Class Point2D

java.lang.Object
  org.gvsig.fmap.geom.primitive.impl.AbstractPrimitive
      org.gvsig.fmap.geom.primitive.impl.Point2D

All Implemented Interfaces:

Shape, Serializable, Comparable, DirectPosition, Geometry, FShape, Point, Primitive

Direct Known Subclasses:

Point2DZ

public class Point2D
extends AbstractPrimitive
implements Point, DirectPosition

2D point implementation.

Author:

Vicente Caballero Navarro, gvSIG team

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.gvsig.fmap.geom.Geometry

Geometry.DIMENSIONS, Geometry.OPERATIONS, Geometry.SUBTYPES, Geometry.TYPES

Field Summary

protected static String	COORDINATES_FIELD
protected double	x
protected double	y

Fields inherited from class org.gvsig.fmap.geom.primitive.impl.AbstractPrimitive

geometryType, geomManager, id, projection

Fields inherited from interface org.gvsig.fmap.geom.Geometry

BEST, E, EXTENDED_GEOMSUBTYPE_OFFSET, EXTENDED_GEOMTYPE_OFFSET, N, NE, NW, S, SE, SELECTHANDLER, STRETCHINGHANDLER, SW, W

Constructor Summary

Point2D(double x, double y)

Point2D(GeometryType geometryType)
The constructor with the GeometryType like and argument is used by the GeometryType#create() to create the geometry

Point2D(GeometryType geometryType, double x, double y)

Point2D(int type, int subtype)

Point2D(Point2D point)

Method Summary

FShape	cloneFShape() Creates and returns a shape equal and independent of this one.
boolean	contains(double x, double y)
boolean	contains(double x, double y, double w, double h)
boolean	contains(Point2D p)
boolean	contains(Rectangle2D r)
boolean	equals(Object other)
Rectangle	getBounds()
Rectangle2D	getBounds2D() Returns this geometry's boundary rectangle.
double	getCoordinateAt(int dimension) Gets the coordinate in a concrete dimension
double[]	getCoordinates() Returns an array of coordinates.
int	getDimension() Returns the largest number n such that each direct position in a geometric set can be associated with a subset that has the direct position in its interior and is similar (isomorphic) to Rn, Euclidean n-space.
DirectPosition	getDirectPosition() Gets the of a point, that is composed by a set of ordinates
Envelope	getEnvelope() Returns the minimum bounding box for this Geometry.
protected String	getFullTypeName()
GeneralPathX	getGeneralPath() Get GeneralPathIterator, to do registered operations to it.
double	getOrdinate(int dim) Returns the ordinate of the given dimension.
PathIterator	getPathIterator(AffineTransform at) If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.
PathIterator	getPathIterator(AffineTransform at, double flatness) If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.
Handler[]	getSelectHandlers() Returns the handlers used to select the geometries.
Shape	getShape(AffineTransform affineTransform)
int	getShapeType() Gets the geometry type of this shape.
Handler[]	getStretchingHandlers() Returns the handlers they utilized to stretch the geometries.
int	getType() If this geometry is a predefined interface then this method returns one of Geometry.TYPES contants.
double	getX() Returns the X coordinate
double	getY() Returns the Y coordinate
boolean	intersects(double x, double y, double w, double h)
boolean	intersects(Rectangle2D r) Returns true if this geometry intersects the rectangle passed as parameter.
void	reProject(org.cresques.cts.ICoordTrans ct) Reprojects this geometry by the coordinate transformer passed as parameter.
void	setCoordinateAt(int dimension, double value) Sets a ordinate in a concrete dimension
void	setCoordinates(double[] values) Sets the point coordinates
void	setX(double x) Sets the X coordinate
void	setY(double y) Sets the Y coordinate
String	toString()
void	transform(AffineTransform at) Aplica la transformaciónn de la matriz de transformación que se pasa como parámetro.

Methods inherited from class org.gvsig.fmap.geom.primitive.impl.AbstractPrimitive

area, buffer, centroid, cloneGeometry, closestPoints, compareTo, contains, containsPoint, containsRectangle, convertToWKB, convertToWKT, convexHull, coveredBy, crosses, difference, disjoint, distance, fastIntersects, getGeometryType, getHandlers, getId, getInteriorPoint, getInternalShape, getShape, getSRS, intersection, intersects, intersectsRectangle, invokeOperation, invokeOperation, isSimple, isWithinDistance, move, overlaps, perimeter, rotate, scale, snapTo, touches, transform, union, within

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.fmap.geom.Geometry

area, buffer, centroid, cloneGeometry, closestPoints, contains, convertToWKB, convertToWKT, convexHull, coveredBy, crosses, difference, disjoint, distance, fastIntersects, getGeometryType, getHandlers, getInteriorPoint, getInternalShape, getShape, intersection, intersects, invokeOperation, invokeOperation, isSimple, isWithinDistance, move, overlaps, perimeter, rotate, scale, snapTo, touches, union, within

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

COORDINATES_FIELD

protected static final String COORDINATES_FIELD

See Also:

Constant Field Values

x

protected double x

y

protected double y

Constructor Detail

Point2D

public Point2D(GeometryType geometryType)

The constructor with the GeometryType like and argument is used by the GeometryType#create() to create the geometry

Parameters:

type - The geometry type

Point2D

public Point2D(double x,
               double y)

Point2D

public Point2D(GeometryType geometryType,
               double x,
               double y)

Point2D

public Point2D(int type,
               int subtype)

Point2D

public Point2D(Point2D point)

Method Detail

transform

public void transform(AffineTransform at)

Aplica la transformaciónn de la matriz de transformación que se pasa como parámetro.

Specified by:

transform in interface Geometry

Specified by:

transform in interface FShape

Parameters:

at - Matriz de transformación.

See Also:

AffineTransform

contains

public boolean contains(double x,
                        double y)

Specified by:

contains in interface Shape

contains

public boolean contains(double x,
                        double y,
                        double w,
                        double h)

Specified by:

contains in interface Shape

intersects

public boolean intersects(double x,
                          double y,
                          double w,
                          double h)

Specified by:

intersects in interface Shape

getBounds

public Rectangle getBounds()

Specified by:

getBounds in interface Shape

getX

public double getX()

Description copied from interface: Point

Returns the X coordinate

Specified by:

getX in interface Point

Returns:

The X coordinate

getY

public double getY()

Description copied from interface: Point

Returns the Y coordinate

Specified by:

getY in interface Point

Returns:

The Y coordinate

contains

public boolean contains(Point2D p)

Specified by:

contains in interface Shape

getBounds2D

public Rectangle2D getBounds2D()

Description copied from interface: Geometry

Returns this geometry's boundary rectangle.

Specified by:

getBounds2D in interface Shape

Specified by:

getBounds2D in interface Geometry

Returns:

Boundary rectangle.

contains

public boolean contains(Rectangle2D r)

Specified by:

contains in interface Shape

intersects

public boolean intersects(Rectangle2D r)

Description copied from interface: Geometry

Returns true if this geometry intersects the rectangle passed as parameter.

Specified by:

intersects in interface Shape

Specified by:

intersects in interface Geometry

Parameters:

r - Rectangle.

Returns:

True, if this intersects r.

getShape

public Shape getShape(AffineTransform affineTransform)

Specified by:

getShape in interface Geometry

Overrides:

getShape in class AbstractPrimitive

Returns:

the awt shape used to display the geometry. It applies a tranformation before to return the coordinates of the shape

getPathIterator

public PathIterator getPathIterator(AffineTransform at)

Description copied from interface: Geometry

If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.

Specified by:

getPathIterator in interface Shape

Specified by:

getPathIterator in interface Geometry

Parameters:

at - The transformation to apply.

Returns:

The GeneralPathXIterator with this geometry's information.

getPathIterator

public PathIterator getPathIterator(AffineTransform at,
                                    double flatness)

Description copied from interface: Geometry

If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.

Specified by:

getPathIterator in interface Shape

Specified by:

getPathIterator in interface Geometry

Parameters:

at - The affine transformation.

Returns:

The GeneralPathXIterator with this geometry's information.

getShapeType

public int getShapeType()

Description copied from interface: FShape

Gets the geometry type of this shape.

Specified by:

getShapeType in interface FShape

Overrides:

getShapeType in class AbstractPrimitive

Returns:

int the geometry type of this shape.

cloneFShape

public FShape cloneFShape()

Description copied from interface: FShape

Creates and returns a shape equal and independent of this one.

Specified by:

cloneFShape in interface FShape

Returns:

the new shape.

reProject

public void reProject(org.cresques.cts.ICoordTrans ct)

Description copied from interface: Geometry

Reprojects this geometry by the coordinate transformer passed as parameter.

Specified by:

reProject in interface Geometry

Specified by:

reProject in interface FShape

Parameters:

ct - Coordinate Transformer.

getStretchingHandlers

public Handler[] getStretchingHandlers()

Description copied from interface: FShape

Returns the handlers they utilized to stretch the geometries.

Specified by:

getStretchingHandlers in interface FShape

Returns:

Handlers the handlers used to stretch the geometries

getSelectHandlers

public Handler[] getSelectHandlers()

Description copied from interface: FShape

Returns the handlers used to select the geometries.

Specified by:

getSelectHandlers in interface FShape

Returns:

Handlers the handlers used to select the geometries

getDimension

public int getDimension()

Description copied from interface: Geometry

Returns the largest number n such that each direct position in a geometric set can be associated with a subset that has the direct position in its interior and is similar (isomorphic) to Rn, Euclidean n-space.

Specified by:

getDimension in interface DirectPosition

Specified by:

getDimension in interface Geometry

Returns:

The dimension.

getEnvelope

public Envelope getEnvelope()

Description copied from interface: Geometry

Returns the minimum bounding box for this Geometry. This shall be the coordinate region spanning the minimum and maximum value for each ordinate taken on by DirectPositions in this Geometry. The simplest representation for an envelope consists of two DirectPositions, the first one containing all the minimums for each ordinate, and second one containing all the maximums.

Specified by:

getEnvelope in interface Geometry

Returns:

The minimum bounding box for this Geometry.

getGeneralPath

public GeneralPathX getGeneralPath()

Description copied from interface: Geometry

Get GeneralPathIterator, to do registered operations to it.

Specified by:

getGeneralPath in interface Geometry

Returns:

The GeneralPathX.

getDirectPosition

public DirectPosition getDirectPosition()

Description copied from interface: Point

Gets the of a point, that is composed by a set of ordinates

Specified by:

getDirectPosition in interface Point

Returns:

The direct position

getOrdinate

public double getOrdinate(int dim)

Description copied from interface: DirectPosition

Returns the ordinate of the given dimension.

Specified by:

getOrdinate in interface DirectPosition

Parameters:

dim - The dimension to retrieve

Returns:

The value of the ordinate

equals

public boolean equals(Object other)

Overrides:

equals in class AbstractPrimitive

getCoordinates

public double[] getCoordinates()

Description copied from interface: Point

Returns an array of coordinates. Don't use the provided array to modify the point coordinates, but use the #setCoordinateAt(int, double)) , #setX(double)) or #setY(double)) methods instead.

Specified by:

getCoordinates in interface Point

Returns:

The point coordinates

getCoordinateAt

public double getCoordinateAt(int dimension)

Description copied from interface: Point

Gets the coordinate in a concrete dimension

Specified by:

getCoordinateAt in interface Point

Parameters:

dimension - The ordinate dimension

Returns:

The value of the ordinate

setCoordinateAt

public void setCoordinateAt(int dimension,
                            double value)

Description copied from interface: Point

Sets a ordinate in a concrete dimension

Specified by:

setCoordinateAt in interface Point

Parameters:

dimension - The dimension to set

value - The value to set

setCoordinates

public void setCoordinates(double[] values)

Description copied from interface: Point

Sets the point coordinates

Specified by:

setCoordinates in interface Point

setX

public void setX(double x)

Description copied from interface: Point

Sets the X coordinate

Specified by:

setX in interface Point

Parameters:

x - The value to set

setY

public void setY(double y)

Description copied from interface: Point

Sets the Y coordinate

Specified by:

setY in interface Point

Parameters:

y - The value to set

toString

public String toString()

Overrides:

toString in class AbstractPrimitive

getFullTypeName

protected String getFullTypeName()

getType

public int getType()

Description copied from interface: Geometry

If this geometry is a predefined interface then this method returns one of Geometry.TYPES contants.
If this geometry is an extended type then this method returns a runtime constant that identifies its type. By convention this value is stored in a constant called .CODE within the geometry class, for instance: Point2D.CODE.

Specified by:

getType in interface Geometry

Overrides:

getType in class AbstractPrimitive

Returns:

If this geometry is a predefined interface then one of Geometry.TYPES or a runtime constant if it is an extended type.