function display_chart($data) { //echo "data : "; var_dump($data); echo "<br />"; $i = 0; foreach ($data as $abs => $val) { //echo "$abs => $val <br />"; $abscissa[$i] = $abs; //$arr[month_to_string($res[0])] = $res[1]; $i++; } $maxval = max($data); $chart = new GoogleChart('lc', 600, 300); $chart->setScale(0, $maxval); $line = new GoogleChartData($data); $chart->addData($line); $y_axis = new GoogleChartAxis('y'); $y_axis->setDrawTickMarks(false); $y_axis->setRange(0, $maxval); // $y_axis->setLabels(array(0,10,20,30)); $chart->addAxis($y_axis); $x_axis = new GoogleChartAxis('x'); $x_axis->setTickMarks(5); $x_axis->setLabels($abscissa); $chart->addAxis($x_axis); // add a shape marker with a border $shape_marker = new GoogleChartShapeMarker(GoogleChartShapeMarker::CIRCLE); $shape_marker->setSize(6); $shape_marker->setBorder(2); $shape_marker->setData($line); $chart->addMarker($shape_marker); // add a value marker $value_marker = new GoogleChartTextMarker(GoogleChartTextMarker::VALUE); $value_marker->setData($line); $chart->addMarker($value_marker); // var_dump($chart->getQuery()); // echo $chart->validate(); echo $chart->toHtml(); }
static function renderChart(&$params) { // get data $db = JFactory::getDBO(); $value_data = array(); $history = intval($params->get('history', 7)); // currently active users $query = 'select count(tdate) as unique_visitors, tdate from (SELECT date(timestamp) as tdate from #__rokuserstats WHERE timestamp >= date_sub(curdate(),interval ' . $history . ' day) group by ip, user_id, tdate order by tdate) as foo group by tdate'; $db->setQuery($query); $data = $db->loadObjectList(); if (is_array($data)) { foreach ($data as $row) { $value_data[] = $row->unique_visitors; } } if (empty($value_data)) { $value_data[] = 0; } $max = max($value_data); require_once 'googlechartlib/GoogleChart.php'; $chart = new GoogleChart('lc', $params->get('width', 285), $params->get('height', 120)); $chart->setTitle(JTEXT::sprintf('MC_RUC_TITLE', intval($history))); $chart->setTitleColor('666666')->setTitleSize(13); $data = new GoogleChartData($value_data); $data->setColor('4F9BD8'); $data->setThickness(2); $chart->addData($data); $y_axis = new GoogleChartAxis('y'); $y_axis->setRange(0, $max); $y_axis->setTickMarks(2); $x_axis = new GoogleChartAxis('x'); $x_axis->setRange(0, count($value_data) - 1); $x_axis->setTickMarks(2); $chart->addAxis($y_axis); $chart->addAxis($x_axis); return $chart->toHtml(); }
$chart->setTitleColor('FFFFFF'); $chart->setTitleSize(18); $sin = new GoogleChartData($sin); $sin->setLegend('Sinus'); $sin->setThickness(2); $sin->setColor('D1F2A5'); $chart->addData($sin); $cos = new GoogleChartData($cos); $cos->setLegend('Cosinus'); $cos->setThickness(2); $cos->setColor('F56991'); $chart->addData($cos); $y_axis = new GoogleChartAxis('y'); $y_axis->setDrawLine(false); $y_axis->setRange(-1, 1); $y_axis->setLabelColor('ffffff'); $chart->addAxis($y_axis); $x_axis = new GoogleChartAxis('x'); $x_axis->setDrawLine(false); $x_axis->setRange(0, 360); $x_axis->setLabels(array(0, 90, 180, 270, 360)); $x_axis->setLabelColor('ffffff'); $chart->addAxis($x_axis); if (isset($_GET['debug'])) { var_dump($chart->getQuery()); echo $chart->validate(); echo $chart->toHtml(); } else { header('Content-Type: image/png'); echo $chart; }
function sin_cos() { $sin = array(); $cos = array(); for ($i = 0; $i <= 360; $i += 10) { $sin[] = round(sin($i * M_PI / 180), 2); $cos[] = round(cos($i * M_PI / 180), 2); } $chart = new GoogleChart('lc', 500, 200); $chart->setGridLines(25, 50, 1, 1); $chart->setMargin(30, 50); $chart->setLegendSize(100, 10); $chart->setFill('333333'); $chart->setFill('444444', GoogleChart::CHART_AREA); $chart->setTitle('Sinus & Cosinus'); $chart->setTitleColor('FFFFFF'); $chart->setTitleSize(18); $sin = new GoogleChartData($sin); $sin->setLegend('Sinus'); $sin->setThickness(2); $sin->setColor('D1F2A5'); $chart->addData($sin); $cos = new GoogleChartData($cos); $cos->setLegend('Cosinus'); $cos->setThickness(2); $cos->setColor('F56991'); $chart->addData($cos); $y_axis = new GoogleChartAxis('y'); $y_axis->setDrawLine(false); $y_axis->setRange(-1, 1); $y_axis->setLabelColor('ffffff'); $chart->addAxis($y_axis); $x_axis = new GoogleChartAxis('x'); $x_axis->setDrawLine(false); $x_axis->setRange(0, 360); $x_axis->setLabels(array(0, 90, 180, 270, 360)); $x_axis->setLabelColor('ffffff'); $chart->addAxis($x_axis); return $chart->getUrl(); }