de.lmu.ifi.dbs.elki.visualization.projections

Class CanvasSize

java.lang.Object

de.lmu.ifi.dbs.elki.visualization.projections.CanvasSize

public class CanvasSize
extends java.lang.Object

Size of a canvas. A 2D bounding rectangle.

Since:

0.5.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
double	maxx Maximum X
double	maxy Maximum Y
double	minx Minimum X
double	miny Minimum Y

Constructor Summary

Constructors

Constructor and Description
CanvasSize(double minx, double maxx, double miny, double maxy) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	clipToMargin(double[] origin, double[] target) Clip a line on the margin (modifies arrays!)
double	continueToMargin(double[] origin, double[] delta) Continue a line along a given direction to the margin.
double	getDiffX()
double	getDiffY()
double	getMaxX()
double	getMaxY()
double	getMinX()
double	getMinY()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

minx

public final double minx

Minimum X

maxx

public final double maxx

Maximum X

miny

public final double miny

Minimum Y

maxy

public final double maxy

Maximum Y

Constructor Detail

CanvasSize

public CanvasSize(double minx,
                  double maxx,
                  double miny,
                  double maxy)

Constructor.

Parameters:

minx - Minimum X

maxx - Maximum X

miny - Minimum Y

maxy - Maximum Y

Method Detail

getMinX

public double getMinX()

Returns:

the mininum X

getMaxX

public double getMaxX()

Returns:

the maximum X

getMinY

public double getMinY()

Returns:

the minimum Y

getMaxY

public double getMaxY()

Returns:

the maximum Y

getDiffX

public double getDiffX()

Returns:

the length on X

getDiffY

public double getDiffY()

Returns:

the length on Y

continueToMargin

public double continueToMargin(double[] origin,
                               double[] delta)

Continue a line along a given direction to the margin.

Parameters:

origin - Origin point

delta - Direction vector

Returns:

scaling factor for delta vector

clipToMargin

public boolean clipToMargin(double[] origin,
                            double[] target)

Clip a line on the margin (modifies arrays!)

Parameters:

origin - Origin point, will be modified

target - Target point, will be modified

Returns:

false if entirely outside the margin

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object