<?php
require_once ('graph2d.class.php');
$xmin=0.0;
$xmax=1.0;
$xstep=0.001;
$ymin=0.0;
$ymax=1.0;
$ystep=0.1;
$xarr=array();
$yarr1=array();
$yarr2=array();
$yarr3=array();
$n=1001;
for ($i=0; $i<$n; $i++)
{
$xarr[$i]=$xmin+$xstep*$i;
$yarr1[$i]=$xarr[$i];
$yarr2[$i]=$xarr[$i]*$xarr[$i];
$yarr3[$i]=sqrt ($xarr[$i]);
}
$test=new graph2d ("jpeg", 700, 350, 60, 20, 20, 40);
$test->SetAxisScales ($xmin, $xmax, 0.1, 1, $ymin, $ymax, $ystep, 1);
$test->SetGrid(TRUE, 0xA0, 0xA0, 0xA0);
$test->SetTitle ("Test");
$test->SetXLegend ("X");
$test->SetYLegend ("Y");
$test->GraphCoord();
$test->Draw($xarr, $yarr1, 0xFF, 0, 0);
$test->Draw($xarr, $yarr2, 0, 0xFF, 0);
$test->Draw($xarr, $yarr3, 0, 0, 0xFF);
$test->ImageOut("");
$test->Close();
?>
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