linebarcentex1.php
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<?php // content="text/plain; charset=utf-8"
require_once ('jpgraph/jpgraph.php');
require_once ('jpgraph/jpgraph_line.php');
require_once ('jpgraph/jpgraph_bar.php');
 
$l1datay = array(11,9,2,4,3,13,17);
$l2datay = array(23,12,5,19,17,10,15);
 
$datax=$gDateLocale->GetShortMonth();
 
// Create the graph. 
$graph = new Graph(400,200);    
$graph->SetScale("textlin");
$graph->SetMargin(40,130,20,40);
$graph->SetShadow();
$graph->xaxis->SetTickLabels($datax);
 
// Create the linear error plot
$l1plot=new LinePlot($l1datay);
$l1plot->SetColor("red");
$l1plot->SetWeight(2);
$l1plot->SetLegend("Prediction");
 
//Center the line plot in the center of the bars
$l1plot->SetBarCenter();
 
 
// Create the bar plot
$bplot = new BarPlot($l2datay);
$bplot->SetFillColor("orange");
$bplot->SetLegend("Result");
 
// Add the plots to t'he graph
$graph->Add($bplot);
$graph->Add($l1plot);
 
 
$graph->title->Set("Adding a line plot to a bar graph v1");
$graph->xaxis->title->Set("X-title");
$graph->yaxis->title->Set("Y-title");
 
$graph->title->SetFont(FF_FONT1,FS_BOLD);
$graph->yaxis->title->SetFont(FF_FONT1,FS_BOLD);
$graph->xaxis->title->SetFont(FF_FONT1,FS_BOLD);
 
 
// Display the graph
$graph->Stroke();
?>