PHP PlotLine Examples

Example #1

File: plotlineex1.php Project: hcvcastro/pxp

<?php

// content="text/plain; charset=utf-8"
require_once "jpgraph/jpgraph.php";
require_once "jpgraph/jpgraph_bar.php";
require_once "jpgraph/jpgraph_line.php";
require_once "jpgraph/jpgraph_plotline.php";
$datay = array(2, 3, 5, 8.5, 11.5, 6, 3);
// Create the graph.
$graph = new Graph(460, 400, 'auto');
$graph->SetScale("textlin");
$graph->SetMargin(40, 20, 50, 70);
$graph->legend->SetPos(0.5, 0.97, 'center', 'bottom');
$graph->title->Set('Plot line legend');
$graph->title->SetFont(FF_ARIAL, FS_BOLD, 14);
$graph->SetTitleBackground('lightblue:1.3', TITLEBKG_STYLE2, TITLEBKG_FRAME_BEVEL);
$graph->SetTitleBackgroundFillStyle(TITLEBKG_FILLSTYLE_HSTRIPED, 'lightblue', 'navy');
// Create a bar pot
$bplot = new BarPlot($datay);
$bplot->value->Show();
$bplot->value->SetFont(FF_VERDANA, FS_BOLD, 8);
$bplot->SetValuePos('top');
$bplot->SetLegend('Bar Legend');
$graph->Add($bplot);
$pline = new PlotLine(HORIZONTAL, 8, 'red', 2);
$pline->SetLegend('Line Legend');
$graph->legend->SetColumns(10);
$graph->Add($pline);
$graph->Stroke();

Example #2

File: HDraw.php Project: jiahongwei/newland-project

 public static function liner3Show($data_x, $data_y, $x_title, $y_title, $graph_title)
 {
     // echo var_dump($data_x);
     // echo var_dump($data_y);
     $graph = new Graph(LENHSIZE, HEISIZE);
     //创建画布
     $graph->img->SetMargin(LEFT, 80, UP, DOWN);
     //设置统计图所在画布的位置，左边距50、右边距40、上边距30、下边距40，单位为像素
     // $graph->yscale->ticks->Set($max_y/2,1);
     $graph->img->SetAntiAliasing();
     //设置折线的平滑状态
     $graph->SetScale("textlin", 210, 230);
     //设置刻度样式
     $graph->SetShadow();
     //创建画布阴影
     $graph->xgrid->Show();
     $line = new PlotLine(HORIZONTAL, 220, "red", 2);
     //设置红色警戒线
     $line->SetLegend("警戒线");
     $graph->legend->setFont(FF_SIMSUN, FS_BOLD, GRAGHSIZE - 5);
     $graph->AddLine($line, false);
     $graph->title->Set($graph_title);
     //设置标题
     $graph->title->SetFont(FF_SIMSUN, FS_BOLD, GRAGHSIZE);
     //设置标题字体
     $graph->SetMarginColor("lightblue");
     //设置画布的背景颜色为淡蓝色
     $graph->yaxis->title->SetFont(FF_SIMSUN, FS_BOLD);
     //设置Y轴标题的字体
     $graph->xaxis->SetPos("min");
     // $graph->yaxis->HideZeroLabel();
     // $graph->ygrid->SetFill(true,'#EFEFEF@0.5','#BBCCFF@0.5');
     // $a=array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");   //X轴
     $graph->xaxis->SetTickLabels($data_x);
     //设置X轴
     $graph->xaxis->SetFont(FF_SIMSUN);
     //设置X坐标轴的字体
     // $graph->yscale->SetGrace(20);
     $p1 = new LinePlot($data_y);
     //创建折线图对象
     $p1->mark->SetType(MARK_FILLEDCIRCLE);
     //设置数据坐标点为圆形标记
     $p1->mark->SetFillColor("black");
     //设置填充的颜色
     $p1->mark->SetWidth(3);
     //设置圆形标记的直径为3像素
     $p1->SetColor("blue");
     // $p1->SetYMin(0);
     $graph->Add($p1);
     $graph->InitializeFrameAndMargin();
     $num = rand(0, RAND);
     // echo var_dump($num);
     $name = "Histogrm" . $num . ".png";
     session_start();
     $_SESSION["name"] = $name;
     // echo var_dump($name);
     $graph->Stroke($name);
     return $name;
 }