example7.php
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<?php // content="text/plain; charset=utf-8"
require_once ("jpgraph/jpgraph.php");
require_once ("jpgraph/jpgraph_log.php");
require_once ("jpgraph/jpgraph_line.php");
 
$ydata = array(11,3,8,12,5,1,9,13,5,7);
$y2data = array(354,70,265,29,111,91,198,225,593,251);
 
// Create the graph.
$graph = new Graph(350,200);    
$graph->SetScale("textlin");
$graph->SetY2Scale("log");
$graph->SetShadow();
$graph->img->SetMargin(40,110,20,40);
 
// Create the linear plot
$lineplot=new LinePlot($ydata);
$lineplot2=new LinePlot($y2data);
 
// Add the plot to the graph
$graph->Add($lineplot);
$graph->AddY2($lineplot2);
$graph->yaxis->SetColor('blue');
 
$graph->title->Set("Example 7");
$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);
 
$lineplot->SetColor("blue");
$lineplot->SetWeight(2);
$lineplot2->SetWeight(2);
 
$lineplot->SetLegend("Plot 1");
$lineplot2->SetLegend("Plot 2");
 
$graph->legend->Pos(0.05,0.5,"right","center");
 
// Display the graph
$graph->Stroke();
?>