<?php
// content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_bar.php';
require_once 'jpgraph/jpgraph_line.php';
$ydata = array(12, 15, 22, 19, 5);
$graph = new Graph\Graph(400, 200);
$graph->img->SetMargin(40, 80, 40, 40);
$graph->SetScale("textlin");
$graph->SetShadow();
$graph->title->Set('Center the line points in bars');
$line = new Plot\LinePlot($ydata);
$line->SetBarCenter();
$line->SetWeight(2);
$bar = new Plot\BarPlot($ydata);
$bar2 = new Plot\BarPlot($ydata);
$bar2->SetFillColor("red");
$gbar = new Plot\GroupBarPlot(array($bar, $bar2));
$graph->Add($gbar);
$graph->Add($line);
// Output line
$graph->Stroke();
$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\Graph(400, 200);
$graph->SetScale("textlin");
$graph->SetMargin(40, 130, 20, 40);
$graph->SetShadow();
$graph->xaxis->SetTickLabels($datax);
// Create the linear error plot
$l1plot = new Plot\LinePlot($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
$bplot = new Plot\BarPlot($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();
