To add a scatter line series to the chart, you do:
$series = new ScatterLineSeries("1.6C");
$series->AddItem(new ScatterItem(10,40));
$series->AddItem(new ScatterItem(17,50));
$series->AddItem(new ScatterItem(18,70));
$chart->PlotArea->AddSeries($series);
<?php
/*
* This file is ready to run as standalone example. However, please do:
* 1. Add tags <html><head><body> to make a complete page
* 2. Change relative path in $KoolControlFolder variable to correctly point to KoolControls folder
*/
$KoolControlsFolder = "../../../../KoolControls";//Relative path to "KoolPHPSuite/KoolControls" folder
require $KoolControlsFolder."/KoolChart/koolchart.php";
$chart = new KoolChart("chart");
$chart->scriptFolder=$KoolControlsFolder."/KoolChart";
$chart->Width = 740;
$chart->Height = 480;
$chart->Title->Text = "Charge Current vs. Charge Time";
$chart->Title->Appearance->Position = "top";
$chart->PlotArea->XAxis->Title = "Time";
$chart->PlotArea->XAxis->MaxValue = 90;
$chart->PlotArea->XAxis->MinValue = 0;
$chart->PlotArea->XAxis->MajorStep = 10;
$chart->PlotArea->XAxis->MinorStep = 2;
$chart->PlotArea->XAxis->LabelsAppearance->DataFormatString = "{0}m";
$chart->PlotArea->YAxis->Title = "Charge";
$chart->PlotArea->YAxis->MaxValue = 100;
$chart->PlotArea->YAxis->MinValue = 0;
$chart->PlotArea->YAxis->MajorStep = 20;
$chart->PlotArea->YAxis->MinorStep = 4;
$chart->PlotArea->YAxis->LabelsAppearance->DataFormatString = "{0}%";
$series = new ScatterLineSeries();
$series->Name = "0.8C";
$series->Appearance->BackgroundColor = "#EB6D17";
$series->LabelsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->LabelsAppearance->Position = "below";
$series->MarkersAppearance->MarkersType = "Square";
$series->TooltipsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->TooltipsAppearance->BackgroundColor = "#EB6D17";
$series->AddItem(new ScatterItem(10,70));
$series->AddItem(new ScatterItem(13,90));
$series->AddItem(new ScatterItem(25,100));
$chart->PlotArea->AddSeries($series);
$series = new ScatterLineSeries();
$series->Name = "1.6C";
$series->Appearance->BackgroundColor = "#90B720";
$series->LabelsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->LabelsAppearance->Position = "below";
$series->MarkersAppearance->MarkersType = "Square";
$series->TooltipsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->TooltipsAppearance->BackgroundColor = "#90B720";
$series->AddItem(new ScatterItem(10,40));
$series->AddItem(new ScatterItem(17,50));
$series->AddItem(new ScatterItem(18,70));
$series->AddItem(new ScatterItem(35,90));
$series->AddItem(new ScatterItem(47,95));
$series->AddItem(new ScatterItem(60,100));
$chart->PlotArea->AddSeries($series);
$series = new ScatterLineSeries();
$series->Name = "3.1C";
$series->Appearance->BackgroundColor = "#5CB8E3";
$series->LabelsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->LabelsAppearance->Position = "below";
$series->TooltipsAppearance->DataFormatString = "{1}% in {0} minutes";
$series->TooltipsAppearance->BackgroundColor = "#5CB8E3";
$series->AddItem(new ScatterItem(10,10));
$series->AddItem(new ScatterItem(15,20));
$series->AddItem(new ScatterItem(null,null));
$series->AddItem(new ScatterItem(32,40));
$series->AddItem(new ScatterItem(43,50));
$series->AddItem(new ScatterItem(55,60));
$series->AddItem(new ScatterItem(60,70));
$chart->PlotArea->AddSeries($series);
?>
<form id="form1" method="post">
<?php echo $chart->Render();?>
<div><i>* <u>Note</u>:</i>Generate your own chart with <a style="color:#B8305E;" target="_blank" href="http://codegen.koolphp.net/generate_koolchart.php">Code Generator</a></div>
</form>
KoolChart - Excellent PHP Chart and GraphFullVersion 2.6.0.2 released on 25/11/2016