pChart的使用总结
pchart的使用说明
<?php
include("../class/pData.class.php");
include("../class/pDraw.class.php");
include("../class/pImage.class.php");
$myData = new pData();
//读入数据
$myData->addPoints(array(42,-36,-32,33,33,-43,46,-28),"Serie1");//读入数组中的数据,将这些数据赋予变量Serie1
$myData->setSerieDescription("Serie1","Serie 1");//给变量Serie1起一个名字,为了更好的说明Serie1数据的含义,Serie 1会显示在右上角
$myData->setSerieOnAxis("Serie1",0);
//读入X轴数据
$myData->addPoints(array("January","February","March","April","May","June","July","August"),"Absissa");
$myData->setAbscissa("Absissa");
$myData->setAxisPosition(0,AXIS_POSITION_LEFT);
$myData->setAxisName(0,"1st axis");
$myData->setAxisUnit(0,"");
$myPicture = new pImage(1300,500,$myData,TRUE);//设置画布的大小
$Settings = array("R"=>0, "G"=>0, "B"=>0, "Dash"=>1, "DashR"=>20, "DashG"=>20, "DashB"=>20);
$myPicture->drawFilledRectangle(0,0,1300,500,$Settings);
//这里是对图标标题的设置
$myPicture->setFontProperties(array("FontName"=>"../fonts/Forgotte.ttf","FontSize"=>14));
$TextSettings = array("Align"=>TEXT_ALIGN_MIDDLEMIDDLE
, "R"=>255, "G"=>255, "B"=>255);
$myPicture->drawText(500,25,$title,$TextSettings);//设置图标的标题显示的位置,标题
//设置图标的大小
$myPicture->setGraphArea(50,50,1225,410);
$myPicture->setFontProperties(array("R"=>255,"G"=>255,"B"=>255,"FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));
//对X轴的设置
$Settings = array("Pos"=>SCALE_POS_LEFTRIGHT
, "Mode"=>SCALE_MODE_FLOATING
, "LabelingMethod"=>LABELING_ALL
, "GridR"=>255, "GridG"=>255, "GridB"=>255, "GridAlpha"=>50, "TickR"=>0, "TickG"=>0, "TickB"=>0, "TickAlpha"=>50, "LabelRotation"=>45, "LabelSkip"=>5, "CycleBackground"=>1, "DrawXLines"=>1, "DrawSubTicks"=>1, "SubTickR"=>255, "SubTickG"=>0, "SubTickB"=>0, "SubTickAlpha"=>50, "DrawYLines"=>ALL);
//"LabelRotation"=>45 设置X轴点位的倾斜角度 "LabelSkip"=>5 设置5个间隔为一个周期
$myPicture->drawScale($Settings);
$Config = "";
$myPicture->drawLineChart($Config);
$Config = array("FontR"=>0, "FontG"=>0, "FontB"=>0, "FontName"=>"../fonts/pf_arma_five.ttf", "FontSize"=>6, "Margin"=>6, "Alpha"=>30, "BoxSize"=>5, "Style"=>LEGEND_NOBORDER
, "Mode"=>LEGEND_HORIZONTAL
);
$myPicture->drawLegend(863,16,$Config);//右上角的对折线的说明文字
$myPicture->stroke();
?>