addPoints(rand(10,30)+$i,"Probe 1"); } $MyData->setAxisName(0,"Temperatures"); $MyData->setAbscissaName("Samples"); /* Create the pChart object */ $myPicture = new pImage(700,230,$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 harmonic one */ $Mean = $MyData->getSerieAverage("Probe 1"); $HarmonicMean = $MyData->getHarmonicMean("Probe 1"); $myPicture->drawThreshold($HarmonicMean,array("WriteCaption"=>TRUE,"Caption"=>"Harmonic 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)); $myPicture->drawText(550,30,"Harmonic Mean : ".round($HarmonicMean,2)); /* Render the picture (choose the best way) */ $myPicture->autoOutput("pictures/example.harmonicMean.png"); ?>