Subversion-Projekte lars-tiefland.php_share

<?php

require_once("../jpgraph.php");

require_once("../jpgraph_line.php");

require_once("../jpgraph_date.php");

// Create a data set in range (50,70) and X-positions

DEFINE('NDATAPOINTS',360);

DEFINE('SAMPLERATE',240);

$start = time();

$end = $start+NDATAPOINTS*SAMPLERATE;

$data = array();

$xdata = array();

for( $i=0; $i < NDATAPOINTS; ++$i ) {

    $data[$i] = rand(50,70);

    $xdata[$i] = $start + $i * SAMPLERATE;

}

// Create the new graph

$graph = new Graph(540,300);

// Slightly larger than normal margins at the bottom to have room for

// the x-axis labels

$graph->SetMargin(40,40,30,130);

// Fix the Y-scale to go between [0,100] and use date for the x-axis

$graph->SetScale('datlin',0,100);

$graph->title->Set("Example on Date scale");

// Set the angle for the labels to 90 degrees

$graph->xaxis->SetLabelAngle(90);

// The automatic format string for dates can be overridden

$graph->xaxis->scale->SetDateFormat('H:i');

// Adjust the start/end to a specific alignment

$graph->xaxis->scale->SetTimeAlign(MINADJ_10);

$line = new LinePlot($data,$xdata);

$line->SetLegend('Year 2005');

$line->SetFillColor('lightblue@0.5');

$graph->Add($line);

$graph->Stroke();

?>