pChart图表插件使用

<?php    
 /* 柱形图 */ 

 #引入库文件 
 include("../class/pData.class.php"); 
 include("../class/pDraw.class.php"); 
 include("../class/pImage.class.php"); 

 #创建数据对象 
 $MyData = new pData();   
 $MyData->addPoints(array(150,220,300,-250,-420,-200,300,200,100),"Server A"); 
 $MyData->addPoints(array(140,0,340,-300,-320,-300,200,100,50),"Server B"); 
 $MyData->setAxisName(0,"Hits"); 
 $MyData->addPoints(array("January","February","March","April","May","Juin","July","August","September"),"Months"); 
 $MyData->setSerieDescription("Months","Month"); 
 $MyData->setAbscissa("Months"); 

 #创建图形对象
 $myPicture = new pImage(700,230,$MyData); 

 #关闭平滑模式 
 $myPicture->Antialias = FALSE; 

 #增加边框
 $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)); 
 $myPicture->drawRectangle(0,0,699,229,array("R"=>0,"G"=>0,"B"=>0)); 

 #设置默认字体
 $myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6)); 

 #定义图像区域
 $myPicture->setGraphArea(60,40,650,200); 

 #设置比例
 $scaleSettings = array("GridR"=>200,"GridG"=>200,"GridB"=>200,"DrawSubTicks"=>TRUE,"CycleBackground"=>TRUE); 
 $myPicture->drawScale($scaleSettings); 

 #设置图例 
 $myPicture->drawLegend(580,12,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL)); 

 #设置阴影
 $myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10)); 

 #画图表
 $myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10)); 
 $settings = array("Surrounding"=>-30,"InnerSurrounding"=>30); 
 $myPicture->drawBarChart($settings); 

 #递交图片
 $myPicture->autoOutput("pictures/example.drawBarChart.simple.png"); 
?>