--- a/lib/pChart2.1.0/examples/example.drawScatterBestFit.php
+++ b/lib/pChart2.1.0/examples/example.drawScatterBestFit.php
@@ -1,1 +1,81 @@
-
+<?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 */
+ $myData = new pData();  
+
+ /* Create the X axis and the binded series */
+ for ($i=0;$i<=360;$i=$i+10) { $myData->addPoints(rand(1,20)*10+rand(0,$i),"Probe 1"); }
+ for ($i=0;$i<=360;$i=$i+10) { $myData->addPoints(rand(1,2)*10+rand(0,$i),"Probe 2"); }
+ $myData->setAxisName(0,"X-Index");
+ $myData->setAxisXY(0,AXIS_X);
+ $myData->setAxisPosition(0,AXIS_POSITION_TOP);
+
+ /* Create the Y axis and the binded series */
+ for ($i=0;$i<=360;$i=$i+10) { $myData->addPoints($i,"Probe 3"); }
+ $myData->setSerieOnAxis("Probe 3",1);
+ $myData->setAxisName(1,"Y-Index");
+ $myData->setAxisXY(1,AXIS_Y);
+ $myData->setAxisPosition(1,AXIS_POSITION_LEFT);
+
+ /* Create the 1st scatter chart binding */
+ $myData->setScatterSerie("Probe 1","Probe 3",0);
+ $myData->setScatterSerieDescription(0,"This year");
+ $myData->setScatterSerieColor(0,array("R"=>0,"G"=>0,"B"=>0));
+
+ /* Create the 2nd scatter chart binding */
+ $myData->setScatterSerie("Probe 2","Probe 3",1);
+ $myData->setScatterSerieDescription(1,"Last Year");
+
+ /* Create the pChart object */
+ $myPicture = new pImage(400,400,$myData);
+
+ /* Draw the background */
+ $Settings = array("R"=>170, "G"=>183, "B"=>87, "Dash"=>1, "DashR"=>190, "DashG"=>203, "DashB"=>107);
+ $myPicture->drawFilledRectangle(0,0,400,400,$Settings);
+
+ /* Overlay with a gradient */
+ $Settings = array("StartR"=>219, "StartG"=>231, "StartB"=>139, "EndR"=>1, "EndG"=>138, "EndB"=>68, "Alpha"=>50);
+ $myPicture->drawGradientArea(0,0,400,400,DIRECTION_VERTICAL,$Settings);
+ $myPicture->drawGradientArea(0,0,400,20,DIRECTION_VERTICAL,array("StartR"=>0,"StartG"=>0,"StartB"=>0,"EndR"=>50,"EndG"=>50,"EndB"=>50,"Alpha"=>80));
+
+ /* Write the picture title */ 
+ $myPicture->setFontProperties(array("FontName"=>"../fonts/Silkscreen.ttf","FontSize"=>6));
+ $myPicture->drawText(10,13,"drawScatterBestFit() - Linear regression",array("R"=>255,"G"=>255,"B"=>255));
+
+ /* Add a border to the picture */
+ $myPicture->drawRectangle(0,0,399,399,array("R"=>0,"G"=>0,"B"=>0));
+
+ /* Set the default font */
+ $myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6));
+ 
+ /* Set the graph area */
+ $myPicture->setGraphArea(50,60,350,360);
+
+ /* Create the Scatter chart object */
+ $myScatter = new pScatter($myPicture,$myData);
+
+ /* Draw the scale */
+ $myScatter->drawScatterScale();
+
+ /* Turn on shadow computing */
+ $myPicture->setShadow(TRUE,array("X"=>1,"Y"=>1,"R"=>0,"G"=>0,"B"=>0,"Alpha"=>10));
+
+ /* Draw a scatter plot chart */
+ $myScatter->drawScatterPlotChart();
+
+ /* Draw the legend */
+ $myScatter->drawScatterLegend(280,380,array("Mode"=>LEGEND_HORIZONTAL,"Style"=>LEGEND_NOBORDER));
+
+ /* Draw the line of best fit */
+ $myScatter->drawScatterBestFit();
+
+ /* Render the picture (choose the best way) */
+ $myPicture->autoOutput("pictures/example.drawScatterBestFit.png");
+?>