$myPicture = new pImage(700, 230, $MyData); /* Turn of Antialiasing */ $myPicture->Antialias = FALSE; /* Add a border to the picture */ $myPicture->drawRectangle(0, 0, 699, 229, array("R" => 0, "G" => 0, "B" => 0)); /* Write the chart title */ $myPicture->setFontProperties(array("FontName" => "../fonts/Forgotte.ttf", "FontSize" => 11)); $myPicture->drawText(150, 35, "Average temperature", array("FontSize" => 20, "Align" => TEXT_ALIGN_BOTTOMMIDDLE)); /* Set the default font */ $myPicture->setFontProperties(array("FontName" => "../fonts/pf_arma_five.ttf", "FontSize" => 6)); /* Define the chart area */ $myPicture->setGraphArea(60, 40, 680, 200); /* Draw the scale */ $scaleSettings = array("XMargin" => 10, "YMargin" => 10, "Floating" => TRUE, "GridR" => 200, "GridG" => 200, "GridB" => 200, "DrawSubTicks" => TRUE, "CycleBackground" => TRUE); $myPicture->drawScale($scaleSettings); /* Turn on Antialiasing */ $myPicture->Antialias = TRUE; /* Turn on shadows */ $myPicture->setShadow(TRUE, array("X" => 1, "Y" => 1, "R" => 0, "G" => 0, "B" => 0, "Alpha" => 10)); /* Draw the line chart */ $myPicture->drawPlotChart(); /* Draw the standard mean and the geometric one */ $Mean = $MyData->getSerieAverage("Probe 1"); $GeometricMean = $MyData->getGeometricMean("Probe 1"); $myPicture->drawThreshold($GeometricMean, array("WriteCaption" => TRUE, "Caption" => "Geometric mean")); $myPicture->drawThreshold($Mean, array("WriteCaption" => TRUE, "Caption" => "Mean", "CaptionAlign" => CAPTION_RIGHT_BOTTOM)); /* Write the computed values */ $myPicture->drawText(550, 20, "Arithmetic average : " . round($Mean, 2)); $myPicture->drawText(550, 30, "Geometric Mean : " . round($GeometricMean, 2)); /* Render the picture (choose the best way) */ $myPicture->autoOutput("pictures/example.geometricMean.png");