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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 */
- $myData = new pData();
-
- /* Create the X axis and the binded series */
- for ($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");
-?> \ No newline at end of file