Summary: Inherited Fields | Ctors | Methods | Inherited Methods | [Expand All]

public final class

Polygon

extends MultiPath
implements Serializable

java.lang.Object
↳	com.esri.core.geometry.Geometry
	↳	com.esri.core.geometry.MultiPath
		↳	com.esri.core.geometry.Polygon

Class Overview

A polygon is a collection of one or many interior or exterior rings.

Summary

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Inherited Fields

From class com.esri.core.geometry.MultiPath

From class com.esri.core.geometry.Geometry

Public Constructors
	Polygon() Creates a polygon.

Public Methods
double	calculateRingArea2D(int ringIndex) Calculates the ring area for this ring.
Geometry	createInstance() Creates an instance of an empty geometry of the same type.
boolean	equals(Object other) Returns TRUE when this geometry has exactly same type, properties, and coordinates as the other geometry.
int	getDimension() Returns the topological dimension of the geometry object based on the geometry's type.
Geometry.Type	getType() Returns the geometry type.
int	hashCode() Returns a hash code value for this polygon.
void	setXY(int i, double x, double y) Sets a new vertex for the polygon.

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Inherited Methods

From class com.esri.core.geometry.MultiPath

Object	_getImpl() Returns implementation class of the geometry.
void	add(MultiPath src, boolean bReversePaths) Appends all paths from another multipath.
void	addEnvelope(Envelope envSrc, boolean bReverse) Adds a rectangular closed path to this multipath.
void	addPath(MultiPath src, int srcPathIndex, boolean bForward) Copies a path from another multipath.
void	addSegment(Segment segment, boolean bStartNewPath) Adds a new segment to this multipath.
void	applyTransformation(Transformation2D transform) Applies 2D affine transformation in XY plane.
double	calculateArea2D() Calculates the area of the geometry.
double	calculateLength2D() Calculates the length of the geometry.
void	closeAllPaths() Closes all open paths by adding an implicit line segment from the end point to the start point.
void	closePathWithLine() Closes the last path of this multipath with a line segment.
void	copyTo(Geometry dst) Copies this geometry to another geometry of the same type.
int	getPathCount() Returns the number of paths in this multipath.
int	getPathEnd(int pathIndex) Returns the index immediately following the last index of the path.
int	getPathIndexFromPointIndex(int pointIndex) Returns the path index from the point index.
int	getPathSize(int pathIndex) Returns the number of vertices in a path.
int	getPathStart(int pathIndex) Returns the start index of the path.
void	getPoint(int index, Point ptOut) Returns given vertex of the Geometry by value.
Point	getPoint(int index) Returns given vertex of the Geometry.
int	getPointCount() Returns the total vertex count in this Geometry.
int	getSegmentCount(int pathIndex) Returns the segment count in the given multipath path.
int	getSegmentCount() Returns total segment count in the MultiPath.
int	getStateFlag() Returns the state of the geometry.
int	hashCode() Returns the hash code for the multipath.
void	insertPath(int pathIndex, MultiPath src, int srcPathIndex, boolean bForward) Inserts a path from another multipath.
void	insertPoint(int pathIndex, int beforePointIndex, Point pt) Inserts a point.
void	insertPoints(int pathIndex, int beforePointIndex, MultiPath src, int srcPathIndex, int srcPointIndexFrom, int srcPointCount, boolean bForward) Inserts vertices from the given multipath into this multipath.
boolean	isClosedPath(int pathIndex) Indicates if the given path is closed (represents a ring).
boolean	isEmpty() Indicates if the geometry object contains geometric information.
void	lineTo(Point endPoint) Adds a Line Segment to the given end point.
void	lineTo(double x, double y) Adds a line segment from the last point to the given end coordinates.
void	queryEnvelope(Envelope env) Gets the axis aligned bounding box of the geometry.
SegmentIterator	querySegmentIterator() Returns a SegmentIterator that is set right before the beginning of the multipath.
SegmentIterator	querySegmentIteratorAtVertex(int startVertexIndex) Returns a SegmentIterator that is set to a specific vertex of the MultiPath.
void	removePath(int pathIndex) Removes the path at the given index.
void	removePoint(int pathIndex, int pointIndex) Removes a point at a given index.
void	reverseAllPaths() Reverses the order of the vertices in each path.
void	reversePath(int pathIndex) Reverses the order of vertices in the path.
void	setEmpty() Sets the geometry to its original initialization state by releasing all data referenced by the geometry.
void	setPoint(int index, Point point) Sets the vertex at given index of the Geometry.
void	startPath(Point point) Starts a new path at a point.
void	startPath(double x, double y) Starts a new path at given coordinates.

From class com.esri.core.geometry.Geometry

Object	_getImpl() Returns implementation class of the geometry.
abstract void	applyTransformation(Transformation2D transform) Applies 2D affine transformation in XY plane.
double	calculateArea2D() Calculates the area of the geometry.
double	calculateLength2D() Calculates the length of the geometry.
Geometry	copy() Creates a copy of the geometry.
abstract void	copyTo(Geometry dst) Copies this geometry to another geometry of the same type.
abstract int	getDimension() Returns the topological dimension of the geometry object based on the geometry's type.
static int	getDimensionFromType(int type) Returns an integer for this geometry's dimension.
int	getStateFlag() Returns the state of the geometry.
abstract Geometry.Type	getType() Returns the geometry type.
static boolean	isArea(int type) Indicates if the integer value of the enumeration is an area (dimension 2).
abstract boolean	isEmpty() Indicates if the geometry object contains geometric information.
static boolean	isLinear(int type) Indicates if the integer value of the enumeration is linear (dimension 1).
static boolean	isMultiPath(int type) Indicates if the integer value of the enumeration is a multipath (ie, line or area).
static boolean	isMultiVertex(int type) Indicates if the integer value of the enumeration is a multivertex (ie, multipoint, line, or area).
static boolean	isPoint(int type) Indicates if the integer value of the enumeration is a point type (dimension 0).
static boolean	isSegment(int type) Indicates if the integer value of the enumeration is a segment.
abstract void	queryEnvelope(Envelope env) Gets the axis aligned bounding box of the geometry.
abstract void	setEmpty() Sets the geometry to its original initialization state by releasing all data referenced by the geometry.

From class java.lang.Object

Public Constructors

public Polygon ()

Creates a polygon.

Public Methods

public double calculateRingArea2D (int ringIndex)

Calculates the ring area for this ring.

Parameters

ringIndex	The index of this ring.

Returns

The ring area for this ring.

public Geometry createInstance ()

Creates an instance of an empty geometry of the same type.

public boolean equals (Object other)

Returns TRUE when this geometry has exactly same type, properties, and coordinates as the other geometry.

public int getDimension ()

Returns the topological dimension of the geometry object based on the geometry's type.

Returns 0 for point and multipoint.

Returns 1 for lines and polylines.

Returns 2 for polygons and envelopes

Returns 3 for objects with volume

Returns

Returns the integer value of the dimension of geometry.

public Geometry.Type getType ()

Returns the geometry type.

Returns

Returns the geometry type.

public int hashCode ()

Returns a hash code value for this polygon.

public void setXY (int i, double x, double y)

Sets a new vertex for the polygon.

Parameters

i	The index of the new vertex.
x	The X coordinate for the new vertex.
y	The Y coordinate for the new vertex.

Interfaces

Classes

Enums

Exceptions

Polygon

Class Overview

Summary

Public Constructors

public Polygon ()

Public Methods

public double calculateRingArea2D (int ringIndex)

Parameters

Returns

public Geometry createInstance ()

public boolean equals (Object other)

public int getDimension ()

Returns

public Geometry.Type getType ()

Returns

public int hashCode ()

public void setXY (int i, double x, double y)

Parameters