Aqui dejo un enlace para poder descargar los archivos necesarios:
http://freakshare.com/files/veip521q/pChart2.1.3.rar.html
- Aqui vemos un grafico muy frecuente de grafico de barras.
codigo fuente tomado del ejemplo de pChart
<?php
/* CAT:Bar Chart */
/* 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(13251,4118,3087,1460,1248,156,26,9,8),"Hits");
$MyData->setAxisName(0,"Hits");
$MyData->addPoints(array("Firefox","Chrome","Internet Explorer","Opera","Safari","Mozilla","SeaMonkey","Camino","Lunascape"),"Browsers");
$MyData->setSerieDescription("Browsers","Browsers");
$MyData->setAbscissa("Browsers");
$MyData->setAbscissaName("Browsers");
/* Create the pChart object */
$myPicture = new pImage(500,500,$MyData);
$myPicture->drawGradientArea(0,0,500,500,DIRECTION_VERTICAL,array("StartR"=>240,"StartG"=>240,"StartB"=>240,"EndR"=>180,"EndG"=>180,"EndB"=>180,"Alpha"=>100));
$myPicture->drawGradientArea(0,0,500,500,DIRECTION_HORIZONTAL,array("StartR"=>240,"StartG"=>240,"StartB"=>240,"EndR"=>180,"EndG"=>180,"EndB"=>180,"Alpha"=>20));
$myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));
/* Draw the chart scale */
$myPicture->setGraphArea(100,30,480,480);
$myPicture->drawScale(array("CycleBackground"=>TRUE,"DrawSubTicks"=>TRUE,"GridR"=>0,"GridG"=>0,"GridB"=>0,"GridAlpha"=>10,"Pos"=>SCALE_POS_TOPBOTTOM));
/* Turn on shadow computing */
$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
/* Create the per bar palette */
$Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46,"Alpha"=>100),
"1"=>array("R"=>224,"G"=>100,"B"=>46,"Alpha"=>100),
"2"=>array("R"=>224,"G"=>214,"B"=>46,"Alpha"=>100),
"3"=>array("R"=>46,"G"=>151,"B"=>224,"Alpha"=>100),
"4"=>array("R"=>176,"G"=>46,"B"=>224,"Alpha"=>100),
"5"=>array("R"=>224,"G"=>46,"B"=>117,"Alpha"=>100),
"6"=>array("R"=>92,"G"=>224,"B"=>46,"Alpha"=>100),
"7"=>array("R"=>224,"G"=>176,"B"=>46,"Alpha"=>100));
/* Draw the chart */
$myPicture->drawBarChart(array("DisplayPos"=>LABEL_POS_INSIDE,"DisplayValues"=>TRUE,"Rounded"=>TRUE,"Surrounding"=>30,"OverrideColors"=>$Palette));
/* Write the legend */
$myPicture->drawLegend(570,215,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL));
/* Render the picture (choose the best way) */
$myPicture->autoOutput("pictures/example.drawBarChart.palette.png");
?>
- Aqui otro ejemplo de grafico de Torta muy usual
<?php
/* CAT:Pie charts */
/* pChart library inclusions */
include("../class/pData.class.php");
include("../class/pDraw.class.php");
include("../class/pPie.class.php");
include("../class/pImage.class.php");
/* Create and populate the pData object */
$MyData = new pData();
$MyData->addPoints(array(40,60,15,10,6,4),"ScoreA");
$MyData->setSerieDescription("ScoreA","Application A");
/* Define the absissa serie */
$MyData->addPoints(array("<10","10<>20","20<>40","40<>60","60<>80",">80"),"Labels");
$MyData->setAbscissa("Labels");
/* Create the pChart object */
$myPicture = new pImage(700,230,$MyData);
/* Draw a solid background */
$Settings = array("R"=>173, "G"=>152, "B"=>217, "Dash"=>1, "DashR"=>193, "DashG"=>172, "DashB"=>237);
$myPicture->drawFilledRectangle(0,0,700,230,$Settings);
/* Draw a gradient overlay */
$Settings = array("StartR"=>209, "StartG"=>150, "StartB"=>231, "EndR"=>111, "EndG"=>3, "EndB"=>138, "Alpha"=>50);
$myPicture->drawGradientArea(0,0,700,230,DIRECTION_VERTICAL,$Settings);
$myPicture->drawGradientArea(0,0,700,20,DIRECTION_VERTICAL,array("StartR"=>0,"StartG"=>0,"StartB"=>0,"EndR"=>50,"EndG"=>50,"EndB"=>50,"Alpha"=>100));
/* Add a border to the picture */
$myPicture->drawRectangle(0,0,699,229,array("R"=>0,"G"=>0,"B"=>0));
/* Write the picture title */
$myPicture->setFontProperties(array("FontName"=>"../fonts/Silkscreen.ttf","FontSize"=>6));
$myPicture->drawText(10,13,"pPie - Draw 2D pie charts",array("R"=>255,"G"=>255,"B"=>255));
/* Set the default font properties */
$myPicture->setFontProperties(array("FontName"=>"../fonts/Forgotte.ttf","FontSize"=>10,"R"=>80,"G"=>80,"B"=>80));
/* Enable shadow computing */
$myPicture->setShadow(TRUE,array("X"=>2,"Y"=>2,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>50));
/* Create the pPie object */
$PieChart = new pPie($myPicture,$MyData);
/* Draw a simple pie chart */
$PieChart->draw2DPie(120,125,array("SecondPass"=>FALSE));
/* Draw an AA pie chart */
$PieChart->draw2DPie(340,125,array("DrawLabels"=>TRUE,"LabelStacked"=>TRUE,"Border"=>TRUE));
/* Draw a splitted pie chart */
$PieChart->draw2DPie(560,125,array("WriteValues"=>PIE_VALUE_PERCENTAGE,"DataGapAngle"=>10,"DataGapRadius"=>6,"Border"=>TRUE,"BorderR"=>255,"BorderG"=>255,"BorderB"=>255));
/* Write the legend */
$myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));
$myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>20));
$myPicture->drawText(120,200,"Single AA pass",array("DrawBox"=>TRUE,"BoxRounded"=>TRUE,"R"=>0,"G"=>0,"B"=>0,"Align"=>TEXT_ALIGN_TOPMIDDLE));
$myPicture->drawText(440,200,"Extended AA pass / Splitted",array("DrawBox"=>TRUE,"BoxRounded"=>TRUE,"R"=>0,"G"=>0,"B"=>0,"Align"=>TEXT_ALIGN_TOPMIDDLE));
/* Write the legend box */
$myPicture->setFontProperties(array("FontName"=>"../fonts/Silkscreen.ttf","FontSize"=>6,"R"=>255,"G"=>255,"B"=>255));
$PieChart->drawPieLegend(380,8,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL));
/* Render the picture (choose the best way) */
$myPicture->autoOutput("pictures/example.draw2DPie.png");
?>
