#       echo "generating graph";

        $myData = new pData();
        $myData->addPoints($allTimestamps[0], "Timestamp");

        $myData->addPoints($allReadings[0], "Probe 1");
        $myData->addPoints($allReadings[1], "Probe 2");

        $myData->setSerieWeight("Probe 2", 2);

        $myData->setAbscissa("Timestamp");
        $myData->setXAxisName("Time");
        $myData->setXAxisDisplay(AXIS_FORMAT_TIME,"H:i");

        $myData->setAxisName(0,"Temperature");
        $myData->setAxisUnit(0," F");

        $myData->loadPalette("/var/www/palettes/navy.color", TRUE);

        $myPicture = new pImage(1400,500,$myData);
        $myPicture->setFontProperties(array("FontName"=>"/var/www/fonts/Forgotte.ttf","FontSize"=>12));

        $myPicture->setGraphArea(60,40,1380,480);

        $myPicture->drawScale(array("LabelSkip"=>59, "CycleBackground"=>TRUE));
        $myPicture->drawSplineChart();

        $myPicture->Render("/var/www/graph.png");