| <?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"); | |
| ?> |