<?php
namespace JLaso\SimpleStats\Graph;
class Scatter extends BaseGraph
{
public function getGraphType()
{
return count($this->sourceEvents) > 1 ? 'MultiScatterGraph' : 'ScatterGraph';
}
public function getSettings($settings = array())
{
return array_merge($settings,
array(
'back_colour' => '#eee', 'stroke_colour' => '#000',
'back_stroke_width' => 0, 'back_stroke_colour' => '#eee',
'axis_colour' => '#333', 'axis_overlap' => 2,
'axis_font' => 'Georgia', 'axis_font_size' => 10,
'grid_colour' => '#666', 'label_colour' => '#000',
'pad_right' => 20, 'pad_left' => 20,
'marker_colour' => array('red', 'blue', 'green', 'orange'),
'marker_type' => array('square', 'triangle', 'x', 'cross'),
'marker_size' => array(2, 3, 4, 3),
'scatter_2d' => true,
'best_fit' => 'straight', 'best_fit_dash' => '2,2',
'best_fit_colour' => array('red', 'blue', 'green', 'orange'),
)
);
}
protected function genValues($data)
{
$values = array();
foreach($data as $eventName=>$eventData) {
if(count($eventData) > 0) {
$first = $eventData[0]['date'];
foreach ($eventData as $item) {
$values[$eventName][] = array(intval(($item['date'] - $first) / 86400), $item['count']);
}
}
}
return $values;
}
}
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