<?php // content="text/plain; charset=utf-8"
require_once 'jpgraph/jpgraph.php';
require_once 'jpgraph/jpgraph_line.php';
require_once 'jpgraph/jpgraph_bar.php';
require_once 'jpgraph/jpgraph_utils.inc.php';
require_once 'jpgraph/jpgraph_mgraph.php';

//------------------------------------------------------------------
// Create some random data for the plot. We use the current time for the
// first X-position
//------------------------------------------------------------------
$datay = array();
$datax = array();
$ts    = time();
$n     = 70; // Number of data points
for ($i = 0; $i < $n; ++$i) {
    $datax[$i]  = $ts + $i * 150000;
    $datay[$i]  = rand(5, 60);
    $datay2[$i] = rand(1, 8);
}

// Now get labels at the start of each month
$dateUtils                              = new DateScaleUtils();
list($tickPositions, $minTickPositions) = $dateUtils->getTicks($datax, DSUTILS_MONTH1);

// Now create the real graph
// Combine a line and a bar graph

// We add some grace to the end of the X-axis scale so that the first and last
// data point isn't exactly at the very end or beginning of the scale
$grace = 400000;
$xmin  = $datax[0] - $grace;
$xmax  = $datax[$n - 1] + $grace;

// Overall width of graphs
$w = 450;
// Left and right margin for each graph
$lm = 25;
$rm = 15;

//----------------------
// Setup the line graph
//----------------------
$graph = new Graph\Graph($w, 250);
$graph->SetScale('linlin', 0, 0, $xmin, $xmax);
$graph->SetMargin($lm, $rm, 10, 30);
$graph->SetMarginColor('white');
$graph->SetFrame(false);
$graph->SetBox(true);
$graph->title->Set('Example of combined graph');
$graph->title->SetFont(FF_ARIAL, FS_NORMAL, 14);
$graph->xaxis->SetTickPositions($tickPositions, $minTickPositions);
$graph->xaxis->SetLabelFormatString('My', true);
$graph->xgrid->Show();
$p1 = new Plot\LinePlot($datay, $datax);
$graph->Add($p1);

//----------------------
// Setup the bar graph
//----------------------
$graph2 = new Graph\Graph($w, 110);
$graph2->SetScale('linlin', 0, 0, $xmin, $xmax);
$graph2->SetMargin($lm, $rm, 5, 10);
$graph2->SetMarginColor('white');
$graph2->SetFrame(false);
$graph2->SetBox(true);
$graph2->xgrid->Show();
$graph2->xaxis->SetTickPositions($tickPositions, $minTickPositions);
$graph2->xaxis->SetLabelFormatString('My', true);
$graph2->xaxis->SetPos('max');
$graph2->xaxis->HideLabels();
$graph2->xaxis->SetTickSide(SIDE_DOWN);
$b1 = new Plot\BarPlot($datay2, $datax);
$b1->SetFillColor('teal');
$b1->SetColor('teal:1.2');
$graph2->Add($b1);

//-----------------------
// Create a multigraph
//----------------------
$mgraph = new MGraph();
$mgraph->SetMargin(2, 2, 2, 2);
$mgraph->SetFrame(true, 'darkgray', 2);
$mgraph->Add($graph);
$mgraph->Add($graph2, 0, 240);
$mgraph->Stroke();
