addPoints(rand(0,20),"Probe 1"); } $MyData->setAxisName(0,"Temperatures"); /* Create the pChart object */ $myPicture = new pImage(700,230,$MyData); /* Draw the background */ $Settings = array("R"=>170, "G"=>183, "B"=>87, "Dash"=>1, "DashR"=>190, "DashG"=>203, "DashB"=>107); $myPicture->drawFilledRectangle(0,0,700,230,$Settings); /* Overlay with a gradient */ $Settings = array("StartR"=>219, "StartG"=>231, "StartB"=>139, "EndR"=>1, "EndG"=>138, "EndB"=>68, "Alpha"=>50); $myPicture->drawGradientArea(0,0,700,230,DIRECTION_VERTICAL,$Settings); /* 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(160,35,"Measured temperature",array("FontSize"=>20,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); $myPicture->drawText(340,30,"(and associated standard deviation)",array("FontSize"=>10,"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(60,50,670,200); /* Draw the scale */ $scaleSettings = array("LabelSkip"=>9,"GridR"=>200,"GridG"=>200,"GridB"=>200,"DrawSubTicks"=>TRUE,"CycleBackground"=>TRUE); $myPicture->drawScale($scaleSettings); /* Turn on Antialiasing */ $myPicture->Antialias = TRUE; $myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10)); /* Draw the line chart */ $myPicture->drawPlotChart(array("PlotSize"=>2)); /* Compute the serie average and standard deviation */ $Average = $MyData->getSerieAverage("Probe 1"); /* Compute the serie standard deviation */ $StandardDeviation = $MyData->getStandardDeviation("Probe 1"); /* Draw a threshold area */ $myPicture->setShadow(FALSE); $myPicture->drawThresholdArea($Average-$StandardDeviation,$Average+$StandardDeviation,array("R"=>100,"G"=>100,"B"=>200,"Alpha"=>10)); $myPicture->setShadow(TRUE); /* Draw the serie average */ $myPicture->drawThreshold($Average,array("WriteCaption"=>TRUE,"Caption"=>"Average value","AxisID"=>0)); /* Draw the standard deviation boundaries */ $ThresholdSettings = array("WriteCaption"=>TRUE,"CaptionAlign"=>CAPTION_RIGHT_BOTTOM ,"Caption"=>"SD","AxisID"=>0,"R"=>0,"G"=>0,"B"=>0); $myPicture->drawThreshold($Average+$StandardDeviation,$ThresholdSettings); $myPicture->drawThreshold($Average-$StandardDeviation,$ThresholdSettings); /* Write the coefficient of variation */ $CoefficientOfVariation = round($MyData->getCoefficientOfVariation("Probe 1"),1); $myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6)); $myPicture->drawText(610,46,"coefficient of variation : ".$CoefficientOfVariation,array("Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); /* Render the picture (choose the best way) */ $myPicture->autoOutput("pictures/example.drawStandardDeviation.png"); ?>