drawables
Class DrawableSpatialSearchTreeObject

java.lang.Object
  |
  +--drawables.DrawableSpatialSearchTreeObject

All Implemented Interfaces:

LayerSpatialSearchTreeObject, MovingSpatialSearchTreeObject, SpatialSearchTreeEntry, SpatialSearchTreeObject, VisualizedSpatialSearchTreeObject

public class DrawableSpatialSearchTreeObject

extends java.lang.Object

implements VisualizedSpatialSearchTreeObject, MovingSpatialSearchTreeObject, LayerSpatialSearchTreeObject

Wrapper class for drawable primitives.

Field Summary

protected MBR	mbr Its minimum bounding rectangle.
protected Drawable	prim The drawable primitive.

Constructor Summary

DrawableSpatialSearchTreeObject(Drawable prim)
DrawableSpatialSearchTreeObject constructor comment.

Method Summary

double	computeDistanceTo(int[] point) Computes the distance to a given point.
boolean	contains(MBR rect) Tests whether the object contains a given rectangle or not.
void	draw(java.awt.Graphics g, int scale) Draws the object.
boolean	equals(java.lang.Object obj) Test whether the wrapped primitives are equal or not.
Drawable	getDrawable() Returns the drawable primitive.
long	getId() Returns the identifier of the object.
int	getLayer() Returns the layer of the object.
MBR	getMBR() Returns the minimum bounding rectangle.
int	getNumOfDimensions() Returns the number of dimensions.
java.lang.Object	getType() Returns the type of the object.
boolean	interacts(int x, int y, int scale) Tests whether an object is selected by a point or not.
boolean	intersects(MBR r) Tests whether the object intersects a given rectangle.
boolean	intersects(java.lang.Object obj) Tests whether the object intersects another object.
boolean	isContainedBy(MBR rect) Tests whether the object is contained by a given rectangle or not.
boolean	isContainedBy(SpatialSearchTreeEntry entry) Tests whether the object is contained by a given entry or not.
boolean	isOfSameType(SpatialSearchTreeObject obj) Tests whether the object is of the same type as the given object or not.
boolean	isVisible(int scale) Tests whether the object is visible at a given scale or not.
void	setMBR(MBR newMBR) Sets the MBR of the object.

Methods inherited from class java.lang.Object

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

Field Detail

prim

protected Drawable prim

The drawable primitive.

mbr

protected MBR mbr

Its minimum bounding rectangle.

Constructor Detail

DrawableSpatialSearchTreeObject

public DrawableSpatialSearchTreeObject(Drawable prim)

DrawableSpatialSearchTreeObject constructor comment.

Parameters:

prim - the drawable primitive

Method Detail

computeDistanceTo

public double computeDistanceTo(int[] point)

Computes the distance to a given point.

Specified by:

computeDistanceTo in interface SpatialSearchTreeObject

Parameters:

point - coordinates of the point

Returns:

distance

contains

public boolean contains(MBR rect)

Tests whether the object contains a given rectangle or not.

Specified by:

contains in interface SpatialSearchTreeObject

Parameters:

rect - the rectangle

Returns:

contains?

draw

public void draw(java.awt.Graphics g,
                 int scale)

Draws the object.

Specified by:

draw in interface SpatialSearchTreeObject

Parameters:

g - graphic context

scale - actual scale

equals

public boolean equals(java.lang.Object obj)

Test whether the wrapped primitives are equal or not.

Overrides:

equals in class java.lang.Object

Parameters:

obj - the other object

Returns:

equal?

getDrawable

public Drawable getDrawable()

Returns the drawable primitive.

Returns:

the drawable primitive

getId

public long getId()

Returns the identifier of the object.

Specified by:

getId in interface SpatialSearchTreeObject

Returns:

the ID

getLayer

public int getLayer()

Returns the layer of the object.

Specified by:

getLayer in interface LayerSpatialSearchTreeObject

Returns:

layer

getMBR

public MBR getMBR()

Returns the minimum bounding rectangle.

Specified by:

getMBR in interface SpatialSearchTreeEntry

Returns:

minimum bounding rectangle

getNumOfDimensions

public int getNumOfDimensions()

Returns the number of dimensions.

Specified by:

getNumOfDimensions in interface SpatialSearchTreeEntry

Returns:

dimensions

getType

public java.lang.Object getType()

Returns the type of the object.

Returns:

type

interacts

public boolean interacts(int x,
                         int y,
                         int scale)

Tests whether an object is selected by a point or not.

Specified by:

interacts in interface VisualizedSpatialSearchTreeObject

Parameters:

x - x-coordinate of the point

y - y-coordinate of the point

scale - scale

Returns:

selected?

intersects

public boolean intersects(java.lang.Object obj)

Tests whether the object intersects another object.

Specified by:

intersects in interface SpatialSearchTreeObject

Parameters:

obj - the object

Returns:

intersects?

intersects

public boolean intersects(MBR r)

Tests whether the object intersects a given rectangle.

Specified by:

intersects in interface SpatialSearchTreeObject

Parameters:

r - the rectangle

Returns:

intersects?

isContainedBy

public boolean isContainedBy(MBR rect)

Tests whether the object is contained by a given rectangle or not.

Specified by:

isContainedBy in interface SpatialSearchTreeObject

Parameters:

rect - the rectangle

Returns:

is contained?

isContainedBy

public boolean isContainedBy(SpatialSearchTreeEntry entry)

Tests whether the object is contained by a given entry or not.

Specified by:

isContainedBy in interface SpatialSearchTreeObject

Parameters:

entry - the entry

Returns:

is contained?

isOfSameType

public boolean isOfSameType(SpatialSearchTreeObject obj)

Tests whether the object is of the same type as the given object or not.

Specified by:

isOfSameType in interface SpatialSearchTreeObject

Parameters:

obj - the other object

Returns:

is of same type?

isVisible

public boolean isVisible(int scale)

Tests whether the object is visible at a given scale or not.

Specified by:

isVisible in interface VisualizedSpatialSearchTreeObject

Parameters:

scale - scale

Returns:

visible?

setMBR

public void setMBR(MBR newMBR)

Sets the MBR of the object.

Specified by:

setMBR in interface MovingSpatialSearchTreeObject

Parameters:

newMBR - the new MNR

Returns:

the layer