org.datagr4m.maths.geometry.functions

Class LinearFunction

java.lang.Object

org.datagr4m.maths.geometry.functions.LinearFunction

public class LinearFunction
extends java.lang.Object

Defines A and B in: y=A*x+b, given the two input points.

Field Summary

Fields

Modifier and Type	Field and Description
protected double	a
protected double	b
protected static double	DIAG

Constructor Summary

Constructors

Constructor and Description
LinearFunction(org.jzy3d.maths.Coord2d p1, org.jzy3d.maths.Coord2d p2)
LinearFunction(double a, double b)
LinearFunction(java.awt.geom.Point2D p1, java.awt.geom.Point2D p2)

Method Summary

Methods

Modifier and Type	Method and Description
java.awt.geom.Point2D	at(org.jzy3d.maths.Coord2d source, float dist)
java.awt.geom.Point2D	at(java.awt.geom.Point2D source, float dist)
void	compute(org.jzy3d.maths.Coord2d p1, org.jzy3d.maths.Coord2d p2)
void	compute(java.awt.geom.Point2D p1, java.awt.geom.Point2D p2) Setup A and B values for this interpolation.
double	f(double x)
double	getA()
static java.awt.geom.Point2D	getAveragePointOnSegment(java.awt.geom.Point2D p1, java.awt.geom.Point2D p2, float ratioOfp1)
double	getB()
static java.awt.geom.Point2D	getPointOnSegment(java.awt.geom.Point2D p1, java.awt.geom.Point2D p2, float distToSrc)
boolean	isHorizontal()
boolean	isVertical()
LinearFunction	orthogonal(java.awt.geom.Point2D p)

Methods inherited from class java.lang.Object

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

Field Detail

DIAG

protected static double DIAG

a

protected double a

b

protected double b

Constructor Detail

LinearFunction

public LinearFunction(double a,
              double b)

LinearFunction

public LinearFunction(java.awt.geom.Point2D p1,
              java.awt.geom.Point2D p2)

LinearFunction

public LinearFunction(org.jzy3d.maths.Coord2d p1,
              org.jzy3d.maths.Coord2d p2)

Method Detail

compute

public void compute(java.awt.geom.Point2D p1,
           java.awt.geom.Point2D p2)

Setup A and B values for this interpolation.

See Also:

http://fr.wikipedia.org/wiki/%C3%89quation_de_droite

compute

public void compute(org.jzy3d.maths.Coord2d p1,
           org.jzy3d.maths.Coord2d p2)

getA

public double getA()

getB

public double getB()

f

public double f(double x)

at

public java.awt.geom.Point2D at(java.awt.geom.Point2D source,
                       float dist)

at

public java.awt.geom.Point2D at(org.jzy3d.maths.Coord2d source,
                       float dist)

isVertical

public boolean isVertical()

isHorizontal

public boolean isHorizontal()

orthogonal

public LinearFunction orthogonal(java.awt.geom.Point2D p)

getPointOnSegment

public static java.awt.geom.Point2D getPointOnSegment(java.awt.geom.Point2D p1,
                                      java.awt.geom.Point2D p2,
                                      float distToSrc)

getAveragePointOnSegment

public static java.awt.geom.Point2D getAveragePointOnSegment(java.awt.geom.Point2D p1,
                                             java.awt.geom.Point2D p2,
                                             float ratioOfp1)