PHP uses Jpgraph to draw the basics of coordinate charts

This article mainly introduces the method of using Jpgraph to draw simple X-Y coordinate diagrams in PHP, and analyzes the related techniques of Jpgraph to draw coordinate diagrams and curves with examples. I hope to be helpful.

The specific implementation method is as follows:

SetScale("textlin"); //设置刻度样式 
$graph->img->SetMargin(30,30,80,30); //设置图表边界 
$graph->title->Set("Year to Date Cost"); //设置图表标题 
// Create the linear plot 
$lineplot=new LinePlot($data); // 创建新的LinePlot对象 
$lineplot->SetLegend("Amount(M dollars)"); //设置图例文字 
$lineplot->SetColor("red"); // 设置曲线的颜色 
// Add the plot to the graph 
$graph->Add($lineplot); //在统计图上绘制曲线 
// Display the graph 
$graph->Stroke(); //输出图像 
?>

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