de.unidu.is.gnuplot
Class ArrayDataSource

java.lang.Object
  de.unidu.is.gnuplot.Source
      de.unidu.is.gnuplot.FileSource
          de.unidu.is.gnuplot.DataSource
              de.unidu.is.gnuplot.ArrayDataSource

Direct Known Subclasses:

DiscreteDistributionSource

public class ArrayDataSource

extends DataSource

A class which uses two double arrays for storing the (x,y) data pairs.

Since:

2002-04-10

Version:

$Revision: 1.4 $, $Date: 2005/02/21 17:29:18 $

Author:

Henrik Nottelmann

Field Summary

protected int	count The counter for to the current position when iterating through the (x,y) data pairs.
protected double[]	x The x values of this curve.
protected double[]	y The y values of this curve.

Fields inherited from class de.unidu.is.gnuplot.FileSource

filename, nosmooth

Fields inherited from class de.unidu.is.gnuplot.Source

max, min, title

Constructor Summary

ArrayDataSource(java.lang.String title, java.io.File file, double[] x, double[] y)
Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

ArrayDataSource(java.lang.String title, java.lang.String filename, double[] x, double[] y)
Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

ArrayDataSource(java.lang.String title, java.lang.String filename, double startx, double[] y)
Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

Method Summary

double	getX() Returns the x value of the current (x,y) data pair.
double	getY() Returns the y value of the current (x,y) data pair.
boolean	next() Switches to the next possible (x,y) data pair if possible.

Methods inherited from class de.unidu.is.gnuplot.DataSource

getCommand, write, write

Methods inherited from class de.unidu.is.gnuplot.FileSource

getFilename, isSmooth, setFilename, setSmooth

Methods inherited from class de.unidu.is.gnuplot.Source

getMax, getMin, getTitle, setMax, setMin

Methods inherited from class java.lang.Object

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

Field Detail

x

protected double[] x

The x values of this curve.

y

protected double[] y

The y values of this curve.

count

protected int count

The counter for to the current position when iterating through the (x,y) data pairs.

Constructor Detail

ArrayDataSource

public ArrayDataSource(java.lang.String title,
                       java.io.File file,
                       double[] x,
                       double[] y)

Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

Parameters:

title - title of this curve, or null

file - data output file

x - x values of this curve

y - y values of this curve

ArrayDataSource

public ArrayDataSource(java.lang.String title,
                       java.lang.String filename,
                       double[] x,
                       double[] y)

Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

Parameters:

title - title of this curve, or null

filename - name of the data output file

x - x values of this curve

y - y values of this curve

ArrayDataSource

public ArrayDataSource(java.lang.String title,
                       java.lang.String filename,
                       double startx,
                       double[] y)

Constructs a new instance, sets the specified values, and sets the instance variable count to -1.

The x values are created as startx, startx+1, startx+2, ..., startx+y.length-1.

Parameters:

title - title of this curve, or null

filename - name of the data output file

startx - start values of the x values of this curve

y - y values of this curve

Method Detail

next

public boolean next()

Switches to the next possible (x,y) data pair if possible.

Specified by:

next in class DataSource

Returns:

true iff another data pair is available

getX

public double getX()

Returns the x value of the current (x,y) data pair.

Specified by:

getX in class DataSource

Returns:

x value

getY

public double getY()

Returns the y value of the current (x,y) data pair.

Specified by:

getY in class DataSource

Returns:

y value