$MyData->addPoints($serie1, "PlotSerie");
$MyData->addPoints($serie2, "BarSerie");
// ...
$MyData->setSerieDrawable("PlotSerie", FALSE);
$myPicture->drawBarChart();

$MyData->setSerieDrawable("PlotSerie", TRUE);
$MyData->setSerieDrawable("BarSerie", FALSE);
$myPicture->drawSplineChart();

include 'func.inc';

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

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

/////////// Create all your datasets.
/* GET AIRCRAFT CG ENVELOPE DATA */
$i=1;
$envelope_result = mysql_query("SELECT * FROM `aircraft_envelopes` WHERE `tailnumber` = " . $_REQUEST['tailnumber']);
while($envelope = mysql_fetch_array($envelope_result)) {
   unset($arm); unset($weight);
   $result = mysql_query("SELECT * FROM aircraft_cg WHERE `tailnumber` = " . $_REQUEST['tailnumber'] . " AND envelope = " . $envelope['id']);
   while($row = mysql_fetch_array($result)) {
      $arm[] = $row['arm']; $weight[] = $row['weight'];
   }
   // We have to add the first point back to the end so we have a connected graph
   $arm[] = $arm[0]; $weight[] = $weight[0];

   /* Create the X axis and the binded series */
   $myData->addPoints($arm,"EnvelopeCG" . $envelope['id']);
   $myData->setSerieOnAxis("EnvelopeCG" . $envelope['id'],0);

   /* Create the Y axis and the binded series */
   $myData->addPoints($weight,"EnvelopeWeight" . $envelope['id']);
   $myData->setSerieOnAxis("EnvelopeWeight" . $envelope['id'],1);

   /* Create the scatter chart binding */
   $myData->setScatterSerie("EnvelopeCG" . $envelope['id'],"EnvelopeWeight" . $envelope['id'],$i);
   $myData->setScatterSerieDescription($i,$envelope['name']);
   $myData->setScatterSerieColor($i,array("R"=>hexdec(substr($envelope['color'],0,2)),"G"=>hexdec(substr($envelope['color'],2,2)),"B"=>hexdec(substr($envelope['color'],4,2))));
   
   $i++;
}

   /* Create the X axis and the binded series */
   $myData->setAxisName(0,"Inches From Reference Datum");
   $myData->setAxisXY(0,AXIS_X);
   $myData->setAxisUnit(0,"\"");
   $myData->setAxisPosition(0,AXIS_POSITION_BOTTOM);

   /* Create the Y axis and the binded series */
   $myData->setAxisName(1,"Pounds");
   $myData->setAxisXY(1,AXIS_Y);
   $myData->setAxisPosition(1,AXIS_POSITION_LEFT);

if ($_REQUEST['size']!="small") {
/* Create the X axis and the binded series */
$myData->addPoints($_GET["totarm_to"],"MyCG_TO");
$myData->setSerieOnAxis("MyCG_TO",0);

/* Create the Y axis and the binded series */
$myData->addPoints($_GET["totwt_to"],"MyWeight_TO");
$myData->setSerieOnAxis("MyWeight_TO",1);

/* Create the scatter chart binding */
$myData->setScatterSerie("MyCG_TO","MyWeight_TO",9998);
$myData->setScatterSerieDescription(9998,"Takeoff CG");
$myData->setScatterSerieColor(9998,array("R"=>0,"G"=>160,"B"=>0));

/* Create the X axis and the binded series */
$myData->addPoints($_GET["totarm_ldg"],"MyCG_LDG");
$myData->setSerieOnAxis("MyCG_LDG",0);

/* Create the Y axis and the binded series */
$myData->addPoints($_GET["totwt_ldg"],"MyWeight_LDG");
$myData->setSerieOnAxis("MyWeight_LDG",1);

/* Create the scatter chart binding */
$myData->setScatterSerie("MyCG_LDG","MyWeight_LDG",9999);
$myData->setScatterSerieDescription(9999,"Landing CG");
$myData->setScatterSerieColor(9999,array("R"=>255,"G"=>0,"B"=>0));
}

/* Draw the background */
$Settings = array("R"=>0, "G"=>0, "B"=>0, "Dash"=>1, "DashR"=>190, "DashG"=>203, "DashB"=>107);

/* Create the pChart object, draw the background, set the graph area */
if ($_REQUEST['size']=="small") {
   $myPicture = new pImage(400,195,$myData);
   $myPicture->drawRectangle(0,0,399,194,$Settings);
   $myPicture->setGraphArea(50,25,375,135);
} elseif ($_REQUEST['size']=="print") {
   $myPicture = new pImage(720,950,$myData);
   $myPicture->drawRectangle(0,0,719,949,$Settings);
   $myPicture->setGraphArea(50,25,675,890);
} else {
   $myPicture = new pImage(700,340,$myData);
   $myPicture->drawRectangle(0,0,699,339,$Settings);
   $myPicture->setGraphArea(50,25,675,280);
}

/* Set the default font */
$myPicture->setFontProperties(array("FontName"=>"pChart/fonts/verdana.ttf","FontSize"=>8));

/* Create the Scatter chart object */
$myScatter = new pScatter($myPicture,$myData);

/* Draw the scale */
$myScatter->drawScatterScale();

/* Draw a scatter line chart */
for ($j = 1; $j <= $i; $j++) {
   $myData->setSerieDrawable($j,TRUE);
   $myData->setSerieDrawable(9998,FALSE);
   $myData->setSerieDrawable(9999,FALSE);
}
$myScatter->drawScatterLineChart();

/* Draw a scatter plot chart */
for ($j = 1; $j <= $i; $j++) {
   $myData->setSerieDrawable($j,FALSE);
   $myData->setSerieDrawable(9998,TRUE);
   $myData->setSerieDrawable(9999,TRUE);
}
$myScatter->drawScatterPlotChart();

/* Create data value label & legend */
if ($_REQUEST['size']=="print") {
   $LabelSettings = array("Decimals"=>1,"TitleMode"=>LABEL_TITLE_BACKGROUND,"TitleR"=>255,"TitleG"=>255,"TitleB"=>255,"DrawVerticalLine"=>TRUE);
   $myScatter->writeScatterLabel(9998,0,$LabelSettings);
   $myScatter->writeScatterLabel(9999,0,$LabelSettings);
} elseif ($_REQUEST['size']!="small") {
   $myScatter->drawScatterLegend(60,20,array("Mode"=>LEGEND_VERTICAL,"Style"=>LEGEND_NOBORDER));
   $LabelSettings = array("Decimals"=>1,"NoTitle"=>TRUE,"DrawVerticalLine"=>TRUE);
}

/* Render the picture (choose the best way) */
$myPicture->stroke();