$graph->subtitle->Set("100 data points, X-Scale: 'text'"); // Use built in font (don't need TTF support) $graph->title->SetFont(FF_FONT1, FS_BOLD); // Make the margin around the plot a little bit bigger then default $graph->img->SetMargin(40, 140, 40, 80); // Slightly adjust the legend from it's default position in the // top right corner to middle right side $graph->legend->Pos(0.03, 0.5, "right", "center"); // Display every 6:th tickmark $graph->xaxis->SetTextTickInterval(6); // Label every 2:nd tick mark $graph->xaxis->SetTextLabelInterval(2); // Setup the labels $graph->xaxis->SetTickLabels($databarx); $graph->xaxis->SetLabelAngle(90); // Create a red line plot $p1 = new Plot\LinePlot($datay); $p1->SetColor("red"); $p1->SetLegend("Pressure"); // Create the bar plot $b1 = new Plot\BarPlot($databary); $b1->SetLegend("Temperature"); $b1->SetFillColor("orange"); $b1->SetAbsWidth(8); // Drop shadow on bars adjust the default values a little bit $b1->SetShadow("steelblue", 2, 2); // The order the plots are added determines who's ontop $graph->Add($p1); $graph->AddY2($b1); // Finally output the image $graph->Stroke();