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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * @package phpMyAdmin */ /** * */ require_once 'pma_pchart_multi.php'; /** * implements multi radar chart * @package phpMyAdmin */ 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 = $keys[1]; // get the max value foreach ($this->data[$valueKey] as $values) { if (max($values) > $maxValue) { $maxValue = max($values); } } // normalize all the values according to the max value foreach ($this->data[$valueKey] as &$values) { foreach ($values as &$value) { $value = $value / $maxValue * 10; } } } /** * graph area for the radar chart does not include grid lines */ protected function drawGraphArea() { $this->chart->drawGraphArea( $this->getGraphAreaColor(RED), $this->getGraphAreaColor(GREEN), $this->getGraphAreaColor(BLUE), FALSE ); if($this->settings['gradientIntensity']>0) $this->chart->drawGraphAreaGradient( $this->getGraphAreaGradientColor(RED), $this->getGraphAreaGradientColor(GREEN), $this->getGraphAreaGradientColor(BLUE), $this->settings['gradientIntensity'] ); else $this->chart->drawGraphArea( $this->getGraphAreaGradientColor(RED), $this->getGraphAreaGradientColor(GREEN), $this->getGraphAreaGradientColor(BLUE) ); } /** * draw multi radar chart */ 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); } } ?>
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