<?php
// content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_scatter.php';
$datax = array(3.5, 3.7, 3, 4, 6.2, 6, 3.5, 8, 14, 8, 11.1, 13.7);
$datay = array(20, 22, 12, 13, 17, 20, 16, 19, 30, 31, 40, 43);
$graph = new Graph(300, 200);
$graph->img->SetMargin(40, 40, 40, 40);
$graph->img->SetAntiAliasing();
$graph->SetScale("linlin");
$graph->SetShadow();
$graph->title->Set("Linked Scatter plot ex1");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
$sp1 = new ScatterPlot($datay, $datax);
$sp1->SetLinkPoints(true, "red", 2);
$sp1->mark->SetType(MARK_FILLEDCIRCLE);
$sp1->mark->SetFillColor("navy");
$sp1->mark->SetWidth(3);
$graph->Add($sp1);
$graph->Stroke();
?>
private function _renderPlotScatter($groupID, $bubble)
{
$grouping = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotGrouping();
$scatterStyle = $bubbleSize = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotStyle();
$seriesCount = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotSeriesCount();
$seriesPlots = array();
// Loop through each data series in turn
for ($i = 0; $i < $seriesCount; ++$i) {
$dataValuesY = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotCategoryByIndex($i)->getDataValues();
$dataValuesX = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getDataValues();
foreach ($dataValuesY as $k => $dataValueY) {
$dataValuesY[$k] = $k;
}
$seriesPlot = new ScatterPlot($dataValuesX, $dataValuesY);
if ($scatterStyle == 'lineMarker') {
$seriesPlot->SetLinkPoints();
$seriesPlot->link->SetColor(self::$_colourSet[self::$_plotColour]);
} elseif ($scatterStyle == 'smoothMarker') {
$spline = new Spline($dataValuesY, $dataValuesX);
list($splineDataY, $splineDataX) = $spline->Get(count($dataValuesX) * self::$_width / 20);
$lplot = new LinePlot($splineDataX, $splineDataY);
$lplot->SetColor(self::$_colourSet[self::$_plotColour]);
$this->_graph->Add($lplot);
}
if ($bubble) {
$this->_formatPointMarker($seriesPlot, 'dot');
$seriesPlot->mark->SetColor('black');
$seriesPlot->mark->SetSize($bubbleSize);
} else {
$marker = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotValuesByIndex($i)->getPointMarker();
$this->_formatPointMarker($seriesPlot, $marker);
}
$dataLabel = $this->_chart->getPlotArea()->getPlotGroupByIndex($groupID)->getPlotLabelByIndex($i)->getDataValue();
$seriesPlot->SetLegend($dataLabel);
$this->_graph->Add($seriesPlot);
}
}
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_scatter.php';
// Make a circle with a scatterplot
$steps = 16;
for ($i = 0; $i < $steps; ++$i) {
$a = 2 * M_PI / $steps * $i;
$datax[$i] = cos($a);
$datay[$i] = sin($a);
}
$graph = new Graph(300, 200);
$graph->SetScale("linlin");
$graph->img->SetMargin(40, 40, 40, 40);
$graph->SetShadow();
$graph->title->Set("Linked scatter plot");
$graph->title->SetFont(FF_FONT1, FS_BOLD);
// 10% top and bottom grace
$graph->yscale->SetGrace(5, 5);
$graph->xscale->SetGrace(1, 1);
$sp1 = new ScatterPlot($datay, $datax);
$sp1->mark->SetType(MARK_FILLEDCIRCLE);
$sp1->mark->SetFillColor("red");
$sp1->SetColor("blue");
//$sp1->SetWeight(3);
$sp1->mark->SetWidth(4);
$sp1->SetLinkPoints();
$graph->Add($sp1);
$graph->Stroke();
?>
