/* pChart library inclusions */
include("../class/pData.class.php");
include("../class/pDraw.class.php");
include("../class/pImage.class.php");

/* Create and populate the pData object */
$MyData = new pData(); 
$MyData->addPoints(array(4,2,10,12,8,3),"Probe 1");
$MyData->addPoints(array(3,12,15,8,5,5),"Probe 2");
$MyData->setSerieTicks("Probe 2",4);
$MyData->setAxisName(0,"Temperatures");
$MyData->addPoints(array("Jan","Feb","Mar","Apr","May","Jun"),"Labels");
$MyData->setSerieDescription("Labels","Months");
$MyData->setAbscissa("Labels");

/* Create the pChart object */
$myPicture = new pImage(700,230,$MyData);

/* Turn of Antialiasing */
$myPicture->Antialias = FALSE;

/* 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);

/* 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(60,40,650,200);

/* Draw the scale */
$scaleSettings = array("XMargin"=>10,"YMargin"=>10,"Floating"=>TRUE,"GridR"=>255,"GridG"=>255,"GridB"=>255,"DrawSubTicks"=>TRUE,"CycleBackground"=>TRUE);
$myPicture->drawScale($scaleSettings);

/* Write the chart legend */
$myPicture->drawLegend(540,20,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL));

/* Turn on Antialiasing */
$myPicture->Antialias = TRUE;

/* Draw the area chart */
$MyData->setSerieDrawable("Probe 1",TRUE);
$MyData->setSerieDrawable("Probe 2",FALSE);
$myPicture->drawAreaChart();

/* Draw a line and a plot chart on top */
$MyData->setSerieDrawable("Probe 2",TRUE);
$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
$myPicture->drawLineChart();
$myPicture->drawPlotChart(array("PlotBorder"=>TRUE,"PlotSize"=>3,"BorderSize"=>1,"Surrounding"=>-60,"BorderAlpha"=>80));

/* Render the picture (choose the best way) */
$myPicture->autoOutput("pictures/example.Combo.area.lines.png");

<?php /* Include all the classes */
include("/var/www/pchart/class/pDraw.class.php");
include("/var/www/pchart/class/pImage.class.php");
include("/var/www/pchart/class/pData.class.php");

/* Create your dataset object */
$myData = new pData();

/* Connect to the MySQL database */
$db = mysql_connect("xxxxxx", "xx", "xx");
mysql_select_db("xxxx",$db);

/* Build the query that will returns the data to graph */
$Requete = "select * from (select * from archive order by dateTime DESC limit 73) as archive order by dateTime ASC";
$Result  = mysql_query($Requete,$db);
while($row = mysql_fetch_array($Result))
{
  /* Push the results of the query in an array */
  $dateTime[]   = $row["dateTime"];
  $dewpoint[] = 0.56*($row["dewpoint"]-32);
  $outHumidity[] = $row["outHumidity"];
}



/* Prepare some nice data & axis config */
$myData = new pData();
$myData->addPoints($dewpoint,"Dewpoint");
$myData->addPoints($outHumidity,"Umidita'");
$myData->setSerieOnAxis("Dewpoint",0);
$myData->setSerieOnAxis("Umidita'",1);
$myData->setAxisName(0,"");
$myData->setAxisUnit(0,"°C");
$myData->setAxisName(1,"");
$myData->setAxisUnit(1,"%");
$myData->setAxisPosition(1,AXIS_POSITION_RIGHT);
/*$myData->setPalette("Umidita'",array("R"=>0,"G"=>100,"B"=>255));*/
$myData->setSerieWeight("Dewpoint",2);
$myData->setSerieWeight("Umidita'",2);
/* Create the X serie */
$myData->addPoints($dateTime,"dateTime");
$myData->setAbscissa("dateTime");
$myData->setXAxisDisplay(AXIS_FORMAT_DATE,"H:i");
$myData->setAbscissaName("");

/* Will replace the whole color scheme by the "light" palette */
$myData->loadPalette("/var/www/pchart/palettes/?.color", TRUE);
/* DIMENSIONI TOTALI IMMAGINE */
$myData = new pImage(700,241,$myData);

/* Choose a nice font */
$myData->setFontProperties(array("FontName"=>"/var/www/pchart/fonts/calibri.ttf","FontSize"=>10,"R"=>255,"G"=>255,"B"=>255));



/* DIMENSIONI GRAFICO AERA INTERNA  TRATTEGGIATA*/
$myData->setGraphArea(40,40,660,210);
$myData->drawGradientArea(0,0,700,241,DIRECTION_VERTICAL,array("StartR"=>0,"StartG"=>0,"StartB"=>0,"EndR"=>180,"EndG"=>180,"EndB"=>180,"Alpha"=>100));
/* Add a border to the picture */
/*$myData->drawRectangle(0,0,750,240,array("R"=>0,"G"=>0,"B"=>0));*/
$myData->drawText(250,30,"Umidita' e Dewpoint ultime 6h",array("FontSize"=>15,"Align"=>TEXT_ALIGN_BOTTOMLEFT,"DrawBox"=>TRUE,"BoxRounded"=>TRUE));


/* Write the chart legend */
$myData->drawLegend(535,30,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL));

/* Compute and draw the scale */
$myData->drawScale(array("CycleBackground"=>TRUE,"DrawSubTicks"=>TRUE,"GridR"=>0,"GridG"=>0,"GridB"=>0,"GridAlpha"=>10,"LabelSkip"=>11,"XMargin"=>0));
$myData->drawFilledSplineChart();

/* Write the data bounds */
$myData->writeBounds($Type=BOUND_BOTH,array("DisplayColor"=>DISPLAY_MANUAL,"MaxDisplayR"=>255,"MaxDisplayG"=>0,"MaxDisplayB"=>0,"MinDisplayR"=>0,"MinDisplayG"=>0,"MinD$
$myData->setShadow(FALSE);

/* Build the PNG file and send it to the web browser */
$myData->Render("/var/www/dewumiditaF.png");
?>

/* Draw the area chart */
$MyData->setSerieDrawable("Dewpoint",TRUE);
$MyData->setSerieDrawable("Umidita'",FALSE);
$myPicture->drawAreaChart();

/* Draw a line and a plot chart on top */
$MyData->setSerieDrawable("Umidita'",TRUE);
$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
$myPicture->drawLineChart();
$myPicture->drawPlotChart(array("PlotBorder"=>TRUE,"PlotSize"=>3,"BorderSize"=>1,"Surrounding"=>-60,"BorderAlpha"=>80));

$myData->Render("/var/www/dewumiditaF.png");