90 lines
2.5 KiB
PHP
90 lines
2.5 KiB
PHP
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<?php
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include ("../jpgraph.php");
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include ("../jpgraph_line.php");
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include ("../jpgraph_bar.php");
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include ("../jpgraph_utils.inc.php");
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include ("../jpgraph_mgraph.php");
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//------------------------------------------------------------------
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// Create some random data for the plot. We use the current time for the
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// first X-position
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//------------------------------------------------------------------
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$datay = array();
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$datax = array();
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$ts = time();
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$n=70; // Number of data points
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for($i=0; $i < $n; ++$i ) {
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$datax[$i] = $ts+$i*150000;
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$datay[$i] = rand(5,60);
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$datay2[$i] = rand(1,8);
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}
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// Now get labels at the start of each month
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$dateUtils = new DateScaleUtils();
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list($tickPositions,$minTickPositions) = $dateUtils->getTicks($datax,DSUTILS_MONTH1);
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// Now create the real graph
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// Combine a line and a bar graph
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// We add some grace to the end of the X-axis scale so that the first and last
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// data point isn't exactly at the very end or beginning of the scale
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$grace = 400000;
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$xmin = $datax[0]-$grace;
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$xmax = $datax[$n-1]+$grace;;
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// Overall width of graphs
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$w = 450;
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// Left and right margin for each graph
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$lm=25; $rm=15;
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//----------------------
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// Setup the line graph
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//----------------------
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$graph = new Graph($w,250);
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$graph->SetScale('linlin',0,0,$xmin,$xmax);
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$graph->SetMargin($lm,$rm,10,30);
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$graph->SetMarginColor('white');
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$graph->SetFrame(false);
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$graph->SetBox(true);
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$graph->title->Set('Example of combined graph');
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$graph->title->SetFont(FF_ARIAL,FS_NORMAL,14);
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$graph->xaxis->SetTickPositions($tickPositions,$minTickPositions);
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$graph->xaxis->SetLabelFormatString('My',true);
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$graph->xgrid->Show();
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$p1 = new LinePlot($datay,$datax);
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$graph->Add($p1);
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//----------------------
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// Setup the bar graph
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//----------------------
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$graph2 = new Graph($w,110);
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$graph2->SetScale('linlin',0,0,$xmin,$xmax);
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$graph2->SetMargin($lm,$rm,5,10);
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$graph2->SetMarginColor('white');
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$graph2->SetFrame(false);
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$graph2->SetBox(true);
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$graph2->xgrid->Show();
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$graph2->xaxis->SetTickPositions($tickPositions,$minTickPositions);
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$graph2->xaxis->SetLabelFormatString('My',true);
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$graph2->xaxis->SetPos('max');
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$graph2->xaxis->HideLabels();
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$graph2->xaxis->SetTickSide(SIDE_DOWN);
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$b1 = new BarPlot($datay2,$datax);
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$b1->SetFillColor('teal');
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$b1->SetColor('teal:1.2');
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$graph2->Add($b1);
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//-----------------------
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// Create a multigraph
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//----------------------
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$mgraph = new MGraph();
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$mgraph->SetMargin(2,2,2,2);
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$mgraph->SetFrame(true,'darkgray',2);
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$mgraph->Add($graph);
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$mgraph->Add($graph2,0,240);
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$mgraph->Stroke();
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?>
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