edu.umn.cs.spatialHadoop.core

Class Circle

java.lang.Object

java.awt.geom.RectangularShape

java.awt.geom.Arc2D

java.awt.geom.Arc2D.Double

edu.umn.cs.spatialHadoop.core.Circle

All Implemented Interfaces:

TextSerializable, java.awt.Shape, java.io.Serializable, java.lang.Cloneable

public class Circle
extends java.awt.geom.Arc2D.Double
implements Shape

A class that represents a circle

Author:

eldawy

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Arc2D

java.awt.geom.Arc2D.Double, java.awt.geom.Arc2D.Float

Field Summary

Fields inherited from class java.awt.geom.Arc2D.Double

extent, height, start, width, x, y

Fields inherited from class java.awt.geom.Arc2D

CHORD, OPEN, PIE

Constructor Summary

Constructors

Constructor and Description
Circle() Default constructor to allow construction then deserialization
Circle(double x, double y) Initializes a circle with zero radius
Circle(double x, double y, double r) Initializes a circle with a specific center and radius

Method Summary

Methods

Modifier and Type	Method and Description
Circle	clone() Returns a clone of this shape
double	distanceTo(double x, double y) Gets the distance of this shape to the given point.
void	draw(java.awt.Graphics g, double xscale, double yscale) Draws the shape to the given graphics and scale.
void	draw(java.awt.Graphics g, Rectangle fileMBR, int imageWidth, int imageHeight, double scale) Draws a shape to the given graphics.
void	fromText(Text text) Retrieve information from the given text.
Rectangle	getMBR() Returns minimum bounding rectangle for this shape.
boolean	isIntersected(Shape s) Returns true if this shape is intersected with the given shape
void	readFields(java.io.DataInput in)
void	set(double x, double y, double r) Updates the circle to the given center and radius
java.lang.String	toString()
Text	toText(Text text) Store current object as string in the given text appending text already there.
void	write(java.io.DataOutput out)

Methods inherited from class java.awt.geom.Arc2D.Double

getAngleExtent, getAngleStart, getHeight, getWidth, getX, getY, isEmpty, makeBounds, setAngleExtent, setAngleStart, setArc

Methods inherited from class java.awt.geom.Arc2D

contains, contains, contains, containsAngle, equals, getArcType, getBounds2D, getEndPoint, getPathIterator, getStartPoint, hashCode, intersects, setAngles, setAngles, setAngleStart, setArc, setArc, setArc, setArcByCenter, setArcByTangent, setArcType, setFrame

Methods inherited from class java.awt.geom.RectangularShape

contains, getBounds, getCenterX, getCenterY, getFrame, getMaxX, getMaxY, getMinX, getMinY, getPathIterator, intersects, setFrame, setFrame, setFrameFromCenter, setFrameFromCenter, setFrameFromDiagonal, setFrameFromDiagonal

Methods inherited from class java.lang.Object

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

Constructor Detail

Circle

public Circle()

Default constructor to allow construction then deserialization

Circle

public Circle(double x,
      double y)

Initializes a circle with zero radius

Parameters:

x -

y -

Circle

public Circle(double x,
      double y,
      double r)

Initializes a circle with a specific center and radius

Parameters:

x -

y -

r -

Method Detail

set

public void set(double x,
       double y,
       double r)

Updates the circle to the given center and radius

Parameters:

x -

y -

r -

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Throws:

java.io.IOException

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Throws:

java.io.IOException

toText

public Text toText(Text text)

Description copied from interface: TextSerializable

Store current object as string in the given text appending text already there.

Specified by:

toText in interface TextSerializable

fromText

public void fromText(Text text)

Description copied from interface: TextSerializable

Retrieve information from the given text.

Specified by:

fromText in interface TextSerializable

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getMBR

public Rectangle getMBR()

Description copied from interface: Shape

Returns minimum bounding rectangle for this shape.

Returns:

distanceTo

public double distanceTo(double x,
                double y)

Description copied from interface: Shape

Gets the distance of this shape to the given point.

Returns:

isIntersected

public boolean isIntersected(Shape s)

Description copied from interface: Shape

Returns true if this shape is intersected with the given shape

Returns:

clone

public Circle clone()

Description copied from interface: Shape

Returns a clone of this shape

Overrides:

clone in class java.awt.geom.RectangularShape

Returns:

draw

public void draw(java.awt.Graphics g,
        Rectangle fileMBR,
        int imageWidth,
        int imageHeight,
        double scale)

Description copied from interface: Shape

Draws a shape to the given graphics.

Parameters:

g - - the graphics or canvas to draw to

fileMBR - - the MBR of the file in which the shape is contained

imageWidth - - width of the image to draw

imageHeight - - height of the image to draw

scale - - the scale used to convert shape coordinates to image coordinates

draw

public void draw(java.awt.Graphics g,
        double xscale,
        double yscale)

Description copied from interface: Shape

Draws the shape to the given graphics and scale.

Parameters:

g - - the graphics to draw the shape to.

xscale - - scale of the image x-axis in terms of pixels per points.

yscale - - scale of the image y-axis in terms of pixels per points.