ใครเคยใช้ pchart บ้างครับช่วยหน่อยครับ มีปัญหาการฟิก จุดทศนิยม 2 ตำแหน่ง

// เกี่ยวกับการสร้าง graph
$myData = new pData();
$myData->addPoints($quest_point,"Serie1");    // กราฟ one
$myData->setSerieDescription("Serie1","ตนเอง");
$myData->setSerieOnAxis("Serie1",0);

$myData->loadPalette("palettes/".$show_config['file_color'], TRUE); // Palette ของ สี

$myData->addPoints(array("ตนเอง","ค่าเฉลี่ยบุคคลรอบข้าง"),"sub");
$myData->setAbscissa("sub");

$myData->setAxisPosition(0,AXIS_POSITION_LEFT);
$myData->setAxisName(0,"");
$myData->setAxisUnit(0,"");


$myPicture = new pImage(700,180,$myData);
$Settings = array("R"=>255, "G"=>255, "B"=>255, "Dash"=>1, "DashR"=>275, "DashG"=>275, "DashB"=>275);
$myPicture->drawFilledRectangle(0,0,700,400,$Settings);


$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>50,"G"=>50,"B"=>50,"Alpha"=>20));

$myPicture->setFontProperties(array("FontName"=>"fonts/Circular.ttf","FontSize"=>14));
$TextSettings = array("Align"=>TEXT_ALIGN_MIDDLEMIDDLE
, "R"=>0, "G"=>0, "B"=>0);
$myPicture->drawText(405,25,"แผนภูมิเปรียบเทียบคะแนนก่อนการพัฒนาการใช้ทักษะการสอนงาน",$TextSettings);

$myPicture->setShadow(FALSE);
$myPicture->setGraphArea(250,70,695,180); // มีความสำคัญกับ 1-6
$myPicture->setFontProperties(array("R"=>0,"G"=>0,"B"=>0,"FontName"=>"fonts/Circular.ttf","FontSize"=>10));

$AxisBoundaries = "";
$AxisBoundaries[0] = array("Min"=>$show_all['quest_cre_1'],"Max"=>$show_all['quest_cre_2']); // Max Min

$Settings = array("Pos"=>SCALE_POS_TOPBOTTOM
, "Mode"=>SCALE_MODE_MANUAL
,"ManualScale"=>$AxisBoundaries
, "LabelingMethod"=>LABELING_ALL
, "GridR"=>255, "GridG"=>255, "GridB"=>255, "GridAlpha"=>50, "TickR"=>0, "TickG"=>0, "TickB"=>0, "TickAlpha"=>50, "LabelRotation"=>0, "CycleBackground"=>1, "DrawXLines"=>1, "DrawYLines"=>ALL);
$myPicture->drawScale($Settings);


$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>50,"G"=>50,"B"=>50,"Alpha"=>10));

$Config = array("AroundZero"=>1,"OverrideColors"=>$Palette);
$myPicture->drawBarChart($Config);

// เส้นบอกช่วงคะแนน
// เส้นบอกช่วงคะแนน
$Con1 = array("R"=>$color3['r'], "G"=>$color3['g'], "B"=>$color3['b'], "Alpha"=>100, "AxisID"=>0, "Ticks"=>4, "WriteCaption"=>0, "Caption"=>"", "DrawBox"=>1,"NoMargin" =>1); // สีเส้นบ่งบอกเขต
$myPicture->drawThreshold($show_all['quest_cre_5'],$Con1); // w

$Con2 = array("R"=>$color4['r'], "G"=>$color4['g'], "B"=>$color4['b'], "Alpha"=>100, "AxisID"=>0, "Ticks"=>4, "WriteCaption"=>0, "Caption"=>"", "DrawBox"=>1,"NoMargin" =>1); // สีเส้นบ่งบอกเขต
$myPicture->drawThreshold($show_all['quest_cre_7'],$Con2); //s

// กรอบอธิบายรายละเอียดช่วง
// text one 
$myPicture->setFontProperties(array("FontName"=>"fonts/Circular.ttf","FontSize"=>6));
$TextSettings = array("DrawBox"=>TRUE,"R"=>$color3['r'],"G"=>$color3['g'],"B"=>$color3['b'],"Angle"=>0,"FontSize"=>8);
$myPicture->drawText($show_config['position_w'],50,"จุดที่ควรพัฒนา",$TextSettings);

// text two 
$myPicture->setFontProperties(array("FontName"=>"fonts/Circular.ttf","FontSize"=>6));
$TextSettings = array("DrawBox"=>TRUE,"R"=>$color5['r'],"G"=>$color5['g'],"B"=>$color5['b'],"Angle"=>0,"FontSize"=>8);
$myPicture->drawText($show_config['position_m'],50,"จุดที่เป็นโอกาส",$TextSettings);

// text three *
$myPicture->setFontProperties(array("FontName"=>"fonts/Circular.ttf","FontSize"=>6));
$TextSettings = array("DrawBox"=>TRUE,"R"=>$color4['r'],"G"=>$color4['g'],"B"=>$color4['b'],"Angle"=>0,"FontSize"=>8);
$myPicture->drawText($show_config['position_s'],50,"จุดแข็ง",$TextSettings);



$Config = array("FontR"=>0, "FontG"=>0, "FontB"=>0, "FontName"=>"fonts/Circular.ttf", "FontSize"=>10, "Margin"=>6, "Alpha"=>30, "BoxSize"=>5, "Style"=>LEGEND_NOBORDER
, "Mode"=>LEGEND_HORIZONTAL
);
$myPicture->drawLegend(605,20,$Config);

$myPicture->stroke();