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-<?php
- /* CAT:Mathematical */
-
- /* pChart library inclusions */
- include("../class/pData.class.php");
- include("../class/pDraw.class.php");
- include("../class/pImage.class.php");
- include("../class/pScatter.class.php");
-
- /* Create the pData object */
- $myData = new pData();
-
- /* Define all the data series */
- $myData->addPoints(array(10,8,13,9,11,14,6,4,12,7,5),"X1");
- $myData->addPoints(array(8.04,6.95,7.58,8.81,8.33,9.96,7.24,4.26,10.84,4.82,5.68),"Y1");
- $myData->addPoints(array(10,8,13,9,11,14,6,4,12,7,5),"X2");
- $myData->addPoints(array(9.14,8.14,8.74,8.77,9.26,8.1,6.13,3.1,9.13,7.26,4.74),"Y2");
- $myData->addPoints(array(10,8,13,9,11,14,6,4,12,7,5),"X3");
- $myData->addPoints(array(7.46,6.77,12.74,7.11,7.81,8.84,6.08,5.39,8.15,6.42,5.73),"Y3");
- $myData->addPoints(array(8,8,8,8,8,8,8,19,8,8,8),"X4");
- $myData->addPoints(array(6.58,5.76,7.71,8.84,8.47,7.04,5.25,12.5,5.56,7.91,6.89),"Y4");
-
- /* Create the X axis */
- $myData->setAxisName(0,"X");
- $myData->setAxisXY(0,AXIS_X);
- $myData->setAxisPosition(0,AXIS_POSITION_BOTTOM);
-
- /* Create the Y axis */
- $myData->setSerieOnAxis("Y1",1);
- $myData->setSerieOnAxis("Y2",1);
- $myData->setSerieOnAxis("Y3",1);
- $myData->setSerieOnAxis("Y4",1);
- $myData->setAxisName(1,"Y");
- $myData->setAxisXY(1,AXIS_Y);
- $myData->setAxisPosition(1,AXIS_POSITION_LEFT);
-
- /* Create the scatter chart binding */
- $myData->setScatterSerie("X1","Y1",0);
- $myData->setScatterSerie("X2","Y2",1);
- $myData->setScatterSerie("X3","Y3",2);
- $myData->setScatterSerie("X4","Y4",3);
- $myData->setScatterSerieDrawable(1,FALSE);
- $myData->setScatterSerieDrawable(2,FALSE);
- $myData->setScatterSerieDrawable(3,FALSE);
-
- /* Create the pChart object */
- $myPicture = new pImage(800,582,$myData);
-
- /* Draw the background */
- $Settings = array("R"=>170, "G"=>183, "B"=>87, "Dash"=>1, "DashR"=>190, "DashG"=>203, "DashB"=>107);
- $myPicture->drawFilledRectangle(0,0,800,582,$Settings);
-
- /* Overlay with a gradient */
- $Settings = array("StartR"=>219, "StartG"=>231, "StartB"=>139, "EndR"=>1, "EndG"=>138, "EndB"=>68, "Alpha"=>50);
- $myPicture->drawGradientArea(0,0,800,582,DIRECTION_VERTICAL,$Settings);
-
- /* Add a border to the picture */
- $myPicture->drawRectangle(0,0,799,581,array("R"=>0,"G"=>0,"B"=>0));
-
- /* Write the title */
- $myPicture->setFontProperties(array("FontName"=>"../fonts/Forgotte.ttf","FontSize"=>23));
- $myPicture->drawText(55,50,"Anscombe's Quartet drawing example",array("R"=>255,"G"=>255,"B"=>255));
- $myPicture->drawText(55,65,"This example demonstrate the importance of graphing data before analysing it. (The line of best fit is the same for all datasets)",array("FontSize"=>12,"R"=>255,"G"=>255,"B"=>255));
-
- /* Set the default font */
- $myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));
-
- /* Create the Scatter chart object */
- $myScatter = new pScatter($myPicture,$myData);
-
- /* Turn on shadow computing */
- $myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
-
- /* Draw the 1st chart */
- $myPicture->setGraphArea(56,90,380,285);
- $myScatter->drawScatterScale(array("XMargin"=>5,"YMargin"=>5,"Floating"=>TRUE,"DrawSubTicks"=>TRUE));
- $myScatter->drawScatterPlotChart();
- $myScatter->drawScatterBestFit();
-
- /* Draw the 2nt chart */
- $myData->setScatterSerieDrawable(0,FALSE);
- $myData->setScatterSerieDrawable(1,TRUE);
- $myPicture->setGraphArea(436,90,760,285);
- $myScatter->drawScatterScale(array("XMargin"=>5,"YMargin"=>5,"Floating"=>TRUE,"DrawSubTicks"=>TRUE));
- $myScatter->drawScatterPlotChart();
- $myScatter->drawScatterBestFit();
-
- /* Draw the 3rd chart */
- $myData->setScatterSerieDrawable(1,FALSE);
- $myData->setScatterSerieDrawable(2,TRUE);
- $myPicture->setGraphArea(56,342,380,535);
- $myScatter->drawScatterScale(array("XMargin"=>5,"YMargin"=>5,"Floating"=>TRUE,"DrawSubTicks"=>TRUE));
- $myScatter->drawScatterPlotChart();
- $myScatter->drawScatterBestFit();
-
- /* Draw the 4th chart */
- $myData->setScatterSerieDrawable(2,FALSE);
- $myData->setScatterSerieDrawable(3,TRUE);
- $myPicture->setGraphArea(436,342,760,535);
- $myScatter->drawScatterScale(array("XMargin"=>5,"YMargin"=>5,"Floating"=>TRUE,"DrawSubTicks"=>TRUE));
- $myScatter->drawScatterPlotChart();
- $myScatter->drawScatterBestFit();
-
- /* Render the picture (choose the best way) */
- $myPicture->autoOutput("pictures/example.drawAnscombeQuartet.png");
-?> \ No newline at end of file