org.openimaj.math.geometry.point

Class AbstractPoint2d

java.lang.Object

org.openimaj.math.geometry.point.AbstractPoint2d

All Implemented Interfaces:

Readable, ReadableASCII, ReadableBinary, ReadWriteable, Writeable, WriteableASCII, WriteableBinary, Coordinate, Point2d

Direct Known Subclasses:

DoublePoint2dImpl

public abstract class AbstractPoint2d
extends Object
implements Point2d

Abstract base for Point2d implementations that retains the underlying precision.

Author:

Jonathon Hare (jsh2@ecs.soton.ac.uk)

Constructor Summary

Constructors

Constructor and Description
AbstractPoint2d()

Method Summary

Modifier and Type	Method and Description
String	asciiHeader() Header for ascii input.
byte[]	binaryHeader() Header for binary input.
void	copyFrom(Point2d p) Copy the values of the given point into this point.
boolean	equals(Object o)
int	getDimensions()
float	getX()
float	getY()
int	hashCode()
Point2d	minus(Point2d a) Take point point from another point such that return = this - a
void	readASCII(Scanner in) Read internal state from in.
void	readBinary(DataInput in) Read internal state from in.
void	setX(float x) Set x coordinate of point
void	setY(float y) Set y coordinate of point
Point2d	transform(Jama.Matrix transform) Transform the point by the given matrix
void	translate(float x, float y) Translate the position of the point by the given amounts
void	translate(Point2d v) Translate the position of the point by the given amounts
void	writeASCII(PrintWriter out) Write the content of this as ascii to out.
void	writeBinary(DataOutput out) Write the content of this as binary to out.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.openimaj.math.geometry.point.Point2d

copy

Methods inherited from interface org.openimaj.math.geometry.point.Coordinate

getOrdinate, setOrdinate

Constructor Detail

AbstractPoint2d

public AbstractPoint2d()

Method Detail

getDimensions

public int getDimensions()

Specified by:

getDimensions in interface Coordinate

Returns:

The number of dimensions in the coordinate.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

readASCII

public void readASCII(Scanner in)
               throws IOException

Description copied from interface: ReadableASCII

Read internal state from in.

Specified by:

readASCII in interface ReadableASCII

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

asciiHeader

public String asciiHeader()

Description copied from interface: ReadableASCII

Header for ascii input. Will be automatically read by IOUtils when using readASCII().

Specified by:

asciiHeader in interface ReadableASCII

Specified by:

asciiHeader in interface WriteableASCII

Returns:

header

readBinary

public void readBinary(DataInput in)
                throws IOException

Description copied from interface: ReadableBinary

Read internal state from in.

Specified by:

readBinary in interface ReadableBinary

Parameters:

in - source to read from.

Throws:

IOException - an error reading input

binaryHeader

public byte[] binaryHeader()

Description copied from interface: ReadableBinary

Header for binary input. Will be automatically read by IOUtils when using readBinary().

Specified by:

binaryHeader in interface ReadableBinary

Specified by:

binaryHeader in interface WriteableBinary

Returns:

header

writeASCII

public void writeASCII(PrintWriter out)
                throws IOException

Description copied from interface: WriteableASCII

Write the content of this as ascii to out.

Specified by:

writeASCII in interface WriteableASCII

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

writeBinary

public void writeBinary(DataOutput out)
                 throws IOException

Description copied from interface: WriteableBinary

Write the content of this as binary to out.

Specified by:

writeBinary in interface WriteableBinary

Parameters:

out - sink to write to

Throws:

IOException - an error writing to out

getX

public float getX()

Specified by:

getX in interface Point2d

Returns:

x coordinate of point

setX

public void setX(float x)

Description copied from interface: Point2d

Set x coordinate of point

Specified by:

setX in interface Point2d

Parameters:

x - x-coordinate

getY

public float getY()

Specified by:

getY in interface Point2d

Returns:

y coordinate of point

setY

public void setY(float y)

Description copied from interface: Point2d

Set y coordinate of point

Specified by:

setY in interface Point2d

Parameters:

y - y-coordinate

copyFrom

public void copyFrom(Point2d p)

Description copied from interface: Point2d

Copy the values of the given point into this point.

Specified by:

copyFrom in interface Point2d

Parameters:

p - The point to copy values from.

translate

public void translate(float x,
                      float y)

Description copied from interface: Point2d

Translate the position of the point by the given amounts

Specified by:

translate in interface Point2d

Parameters:

x - x-amount

y - y-amount

transform

public Point2d transform(Jama.Matrix transform)

Description copied from interface: Point2d

Transform the point by the given matrix

Specified by:

transform in interface Point2d

Returns:

a copy

minus

public Point2d minus(Point2d a)

Description copied from interface: Point2d

Take point point from another point such that return = this - a

Specified by:

minus in interface Point2d

Returns:

a new point

translate

public void translate(Point2d v)

Description copied from interface: Point2d

Translate the position of the point by the given amounts

Specified by:

translate in interface Point2d

Parameters:

v - the vector to translate by