/* 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(20,40,65,100,70,55,40,22,12),"Male");
$MyData->addPoints(array(-22,-44,-61,-123,-74,-60,-52,-34,-21),"Female");
$MyData->setAxisName(0,"Community members");
$MyData->addPoints(array("0-10","10-20","20-30","30-40","40-50","50-60","60-70","70-80","80-90"),"Labels");
$MyData->setSerieDescription("Labels","Ages");
$MyData->setAbscissa("Labels");
$MyData->setAxisDisplay(0,AXIS_FORMAT_CUSTOM,"YAxisFormat");

/* Create the pChart object */
$myPicture = new pImage(700,230,$MyData);
$myPicture->drawGradientArea(0,0,700,230,DIRECTION_VERTICAL,array("StartR"=>240,"StartG"=>240,"StartB"=>240,"EndR"=>180,"EndG"=>180,"EndB"=>180,"Alpha"=>100));
$myPicture->drawGradientArea(0,0,700,230,DIRECTION_HORIZONTAL,array("StartR"=>240,"StartG"=>240,"StartB"=>240,"EndR"=>180,"EndG"=>180,"EndB"=>180,"Alpha"=>20));

/* Set the default font properties */
$myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));

/* Draw the scale and the chart */
$myPicture->setGraphArea(60,20,680,190);
$myPicture->drawScale(array("DrawSubTicks"=>TRUE,"Mode"=>SCALE_MODE_ADDALL));
$myPicture->setShadow(FALSE);
$myPicture->drawStackedBarChart(array("DisplayValues"=>TRUE,"DisplayColor"=>DISPLAY_AUTO,"Gradient"=>TRUE,"Surrounding"=>-20,"InnerSurrounding"=>20));

/* Write the chart legend */
$myPicture->drawLegend(600,210,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL));

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

function YAxisFormat($Value) { return(abs($Value)); }