69 lines
2.0 KiB
PHP
69 lines
2.0 KiB
PHP
<?php
|
|
|
|
require_once 'pma_pchart_multi.php';
|
|
|
|
class PMA_pChart_multi_radar extends PMA_pChart_multi
|
|
{
|
|
public function __construct($data, $options = null)
|
|
{
|
|
parent::__construct($data, $options);
|
|
|
|
$this->normalizeValues();
|
|
}
|
|
|
|
/*
|
|
* Get the largest value from the data and normalize all the other values.
|
|
*/
|
|
private function normalizeValues()
|
|
{
|
|
$maxValue = 0;
|
|
$keys = array_keys($this->data);
|
|
$valueKey = $keys[1];
|
|
foreach ($this->data[$valueKey] as $values) {
|
|
if (max($values) > $maxValue) {
|
|
$maxValue = max($values);
|
|
}
|
|
}
|
|
|
|
foreach ($this->data[$valueKey] as &$values) {
|
|
foreach ($values as &$value) {
|
|
$value = $value / $maxValue * 10;
|
|
}
|
|
}
|
|
}
|
|
|
|
protected function drawGraphArea()
|
|
{
|
|
$this->chart->drawGraphArea(213,217,221,FALSE);
|
|
$this->chart->drawGraphAreaGradient(163,203,167,50);
|
|
}
|
|
|
|
protected function drawChart()
|
|
{
|
|
parent::drawChart();
|
|
|
|
// when drawing radar graph we can specify the border from the top of
|
|
// graph area. We want border to be dynamic, so that either the top
|
|
// or the side of the radar is some distance away from the top or the
|
|
// side of the graph area.
|
|
$areaWidth = $this->chart->GArea_X2 - $this->chart->GArea_X1;
|
|
$areaHeight = $this->chart->GArea_Y2 - $this->chart->GArea_Y1;
|
|
|
|
if ($areaHeight > $areaWidth) {
|
|
$borderOffset = ($areaHeight - $areaWidth) / 2;
|
|
}
|
|
else {
|
|
$borderOffset = 0;
|
|
}
|
|
|
|
// the least ammount that radar is away from the graph area side.
|
|
$borderOffset += 40;
|
|
|
|
// Draw the radar chart
|
|
$this->chart->drawRadarAxis($this->dataSet->GetData(),$this->dataSet->GetDataDescription(),TRUE,$borderOffset,120,120,120,230,230,230,-1,2);
|
|
$this->chart->drawFilledRadar($this->dataSet->GetData(),$this->dataSet->GetDataDescription(),50,$borderOffset);
|
|
}
|
|
}
|
|
|
|
?>
|
