/**
* PlotType [Constructor]
*
* A 'normal' step chart is 'stacked'
*
* @param Dataset $dataset The data set (value containter) to plot
* @param string $multiType The type of the plot
* @param string $title The title of the plot (used for legends,
* {@link Image_Graph_Legend})
*/
function Image_Graph_Plot_Step(&$dataset, $multiType = 'stacked', $title = '')
{
$multiType = strtolower($multiType);
if ($multiType != 'stacked' && $multiType != 'stacked100pct') {
$multiType = 'stacked';
}
parent::__construct($dataset, $multiType, $title);
}
/**
* Image_Graph_Plot_Smoothed_Bezier [Constructor]
*
* Only 'normal' multitype supported
*
* @param Dataset $dataset The data set (value containter) to plot
* @param string $title The title of the plot (used for legends, {@link
* Image_Graph_Legend})
*/
function Image_Graph_Plot_Smoothed_Bezier(&$dataset, $title = '')
{
parent::__construct($dataset, 'normal', $title);
}
/**
* PlotTypeMultipleData [Constructor]
* @param array $datasets The datasets to plot
*/
function &Image_Graph_Plot_MultipleData($datasets)
{
parent::__construct();
$this->_datasets = $datasets;
}
/**
* Plot_Odo [Constructor]
*
* dataset with one data per arrow
*
* @param Image_Graph_Dataset &$dataset The data set (value containter) to
* plot or an array of datasets
* {@link Image_Graph_Legend}
*
* @return void
*/
function Image_Graph_Plot_Odo(&$dataset)
{
parent::__construct($dataset);
$keys = array_keys($this->_dataset);
foreach ($keys as $key) {
$dataset =& $this->_dataset[$key];
if (isset($min)) {
$min = min($dataset->minimumY(), $min);
} else {
$min = $dataset->minimumY();
}
if (isset($max)) {
$max = max($dataset->maximumY(), $max);
} else {
$max = $dataset->maximumY();
}
}
$this->_value_min = $min;
$this->_value_max = $max;
}
/**
* Image_Graph_Plot_Smoothed_Bezier [Constructor]
*
* Only 'normal' multitype supported
*
* @param Dataset $dataset The data set (value containter) to plot
* @param string $title The title of the plot (used for legends, {@link
* Image_Graph_Legend})
*/
function __construct(&$dataset, $title = '')
{
parent::__construct($dataset, 'normal', $title);
}
