test.php

<?php

include('php/gnuplot.php');

$p = new GNUPlot();
$p->draw2DLine(0, 0, 1, 1);
$data = new PGData('test Data');
$data->addDataEntry(array(1, 2));
$data->addDataEntry(array(2, 3));
$data->addDataEntry(array(3, 4));
$data->addDataEntry(array(4, 4));
$data->addDataEntry(array(5, 3));

#demoSampleFile();
$p->setTitle("2D Test");
$data2 = PGData::createFromFile('plot1.txt', 'data set II');

$p->plotData($data, 'lines', '1:($2)');
$p->set2DLabel("2D Label", 1, 1);
$p->plotData($data2, 'linespoints', '($1/20):($2*2)');

$data2->changeLegend('replot II');

$p->plotData($data2, 'boxes', '($1/20):($2)');

//$p->set("autoscale");
$p->setRange('y', 0, 5);
$p->setSize(0.6, 0.6);
$p->export('test2D.png');

$p->close();


#function demoSampleFile() {
#    $fp = file_put_contents('plot1.txt', 
#"10    0.093589504197705
#20    0.18763678062534
#30    0.28007895516094
#40    0.3772850801436
#50    0.45641177158072
#60    0.5483119759646
#70    0.64713177119153
#80    0.73679384002403
#90    0.82093219662338
#100    0.89928340743387
#110    0.9330042604089
#120    0.91835632225303
#130    0.77081887392486
#140    0.56138136507401
#150    0.35419806755938
#160    0.19338611559021
#170    0.097598541367033
#180    0.048300839801159
#");
#}