Catalano.Imaging.Tools

Class Curve

java.lang.Object

Catalano.Imaging.Tools.Curve

All Implemented Interfaces:

java.io.Serializable

public class Curve
extends java.lang.Object
implements java.io.Serializable

Curve representation.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
float[]	x
float[]	y

Constructor Summary

Constructors

Constructor and Description
Curve() Initialize a new instance of the Curve class.
Curve(Curve curve) Initialize a new instance of the Curve class.
Curve(float[] x, float[] y) Initialize a new instance of the Curve class.

Method Summary

Modifier and Type	Method and Description
void	addPoint(float kx, float ky) Add point in the curve.
void	addPoint(FloatPoint point) Add point in the curve.
void	addPoint(java.util.List<FloatPoint> points) Add collection of points.
void	clear() Clear all the points.
float[]	getX() Get value of the x axis coordinates.
float[]	getY() Get value of the y axis coordinates.
int[]	makeLut() Create LUT.
void	removePoint(int index) Remove point
void	setX(float[] x) Set values of the x axis coordinates.
void	setXY(float[] x, float[] y) Set the values.
void	setY(float[] y) Set value of the y axis coordinates.
static float	Spline(float x, int numKnots, float[] knots) Compute a Catmull-Rom spline.
static float	Spline(float x, int numKnots, int[] xknots, int[] yknots) Compute a Catmull-Rom spline, but with variable knot spacing.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

x

public float[] x

y

public float[] y

Constructor Detail

Curve

public Curve()

Initialize a new instance of the Curve class.

Curve

public Curve(Curve curve)

Initialize a new instance of the Curve class.

Parameters:

curve - Curve.

Curve

public Curve(float[] x,
             float[] y)

Initialize a new instance of the Curve class.

Parameters:

x - X points.

y - Y points.

Method Detail

getX

public float[] getX()

Get value of the x axis coordinates.

Returns:

X axis coordinates.

setX

public void setX(float[] x)

Set values of the x axis coordinates.

Parameters:

x - X axis coordinates.

getY

public float[] getY()

Get value of the y axis coordinates.

Returns:

Y axis coordinates.

setY

public void setY(float[] y)

Set value of the y axis coordinates.

Parameters:

y - Y axis coordinates.

setXY

public void setXY(float[] x,
                  float[] y)

Set the values.

Parameters:

x - X axis coordinates.

y - Y axis coordinates.

addPoint

public void addPoint(java.util.List<FloatPoint> points)

Add collection of points.

Parameters:

points - Points.

addPoint

public void addPoint(FloatPoint point)

Add point in the curve.

Parameters:

point - Point.

addPoint

public void addPoint(float kx,
                     float ky)

Add point in the curve.

Parameters:

kx - X axis coordinate.

ky - Y axis coordinate.

removePoint

public void removePoint(int index)

Remove point

Parameters:

index - Index.

clear

public void clear()

Clear all the points.

makeLut

public int[] makeLut()

Create LUT.

Returns:

LUT.

Spline

public static float Spline(float x,
                           int numKnots,
                           float[] knots)

Compute a Catmull-Rom spline.

Parameters:

x - the input parameter

numKnots - the number of knots in the spline

knots - the array of knots

Returns:

the spline value

Spline

public static float Spline(float x,
                           int numKnots,
                           int[] xknots,
                           int[] yknots)

Compute a Catmull-Rom spline, but with variable knot spacing.

Parameters:

x - the input parameter

numKnots - the number of knots in the spline

xknots - the array of knot x values

yknots - the array of knot y values

Returns:

the spline value