Class: Image_Graph_Dataset_Function

Source Location: /Graph/Dataset/Function.php

Class Overview

Image_Graph_Dataset
   |
   --Image_Graph_Dataset_Function

Function data set, points are generated by calling an external function.

Inherited Variables

Inherited Methods

Class: Image_Graph_Dataset

Image_Graph_Dataset::Image_Graph_Dataset(): Image_Graph_Dataset [Constructor]
Image_Graph_Dataset::addPoint(): Add a point to the dataset
Image_Graph_Dataset::count(): The number of values in the dataset
Image_Graph_Dataset::maximumX(): The maximum X value
Image_Graph_Dataset::maximumY(): The maximum Y value
Image_Graph_Dataset::minimumX(): The minimum X value
Image_Graph_Dataset::minimumY(): The minimum Y value
Image_Graph_Dataset::setName(): Sets the name of the data set, used for legending

Class Details

[line 46]
Function data set, points are generated by calling an external function.

The function must be a single variable function and return a the result, builtin functions that are fx sin() or cos(). User defined function can be used if they are such, i.e: function myFunction($variable) User defined function can be used if they are such, i.e: {

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Class Methods

constructor Image_Graph_Dataset_Function [line 63]

Image_Graph_Dataset_Function &Image_Graph_Dataset_Function(
double
$minimumX, double
$maximumX, string
$function, int
$points)

Image_Graph_FunctionDataset [Constructor]

Parameters:

double	$minimumX	The minimum X value
double	$maximumX	The maximum X value
string	$function	The name of the function, if must be a single parameter function like fx sin(x) or cos(x)
int	$points	Points The number of points to create

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method addPoint [line 80]

void addPoint(
int
$x, [int
$y = false], [var
$ID = false])

Add a point to the dataset.

You can't add points to a function dataset

Overrides Image_Graph_Dataset::addPoint() (Add a point to the dataset)

Parameters:

int	$x	The X value to add
int	$y	The Y value to add, can be omited
var	$ID	The ID of the point

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Documentation generated on Wed, 15 Sep 2004 10:30:27 +0200 by phpDocumentor 1.2.3