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<?php
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require_once("../jpgraph.php");
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require_once("../jpgraph_line.php");
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require_once("../jpgraph_date.php");
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// Create a data set in range (50,70) and X-positions
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DEFINE('NDATAPOINTS',360);
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DEFINE('SAMPLERATE',240);
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$start = time();
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$end = $start+NDATAPOINTS*SAMPLERATE;
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$data = array();
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$xdata = array();
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for( $i=0; $i < NDATAPOINTS; ++$i ) {
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$data[$i] = rand(50,70);
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$xdata[$i] = $start + $i * SAMPLERATE;
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}
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// Create the new graph
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$graph = new Graph(540,300);
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// Slightly larger than normal margins at the bottom to have room for
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// the x-axis labels
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$graph->SetMargin(40,40,30,130);
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// Fix the Y-scale to go between [0,100] and use date for the x-axis
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$graph->SetScale('datlin',0,100);
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$graph->title->Set("Example on Date scale");
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// Set the angle for the labels to 90 degrees
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$graph->xaxis->SetLabelAngle(90);
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$line = new LinePlot($data,$xdata);
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$line->SetLegend('Year 2005');
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$line->SetFillColor('lightblue@0.5');
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$graph->Add($line);
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$graph->Stroke();
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?>
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