grace_ex1.php

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    <?php // content="text/plain; charset=utf-8"
    require_once ("jpgraph/jpgraph.php");
    require_once ("jpgraph/jpgraph_bar.php");

    // Some data
    $datay=array(7,19,11,4,20);

    // Create the graph and setup the basic parameters
    $graph = new Graph(300,200,'auto');
    $graph->img->SetMargin(40,30,40,50);
    $graph->SetScale("textint");
    $graph->SetFrame(true,'blue',1);
    $graph->SetColor('lightblue');
    $graph->SetMarginColor('lightblue');

    // Setup X-axis labels
    $a = $gDateLocale->GetShortMonth();
    $graph->xaxis->SetTickLabels($a);
    $graph->xaxis->SetFont(FF_FONT1);
    $graph->xaxis->SetColor('darkblue','black');

    // Setup "hidden" y-axis by given it the same color
    // as the background (this could also be done by setting the weight
    // to zero)
    $graph->yaxis->SetColor('lightblue','darkblue');
    $graph->ygrid->SetColor('white');

    // Setup graph title ands fonts
    $graph->title->Set('Using grace = 10%');
    $graph->title->SetFont(FF_FONT2,FS_BOLD);
    $graph->xaxis->SetTitle('Year 2002','center');
    $graph->xaxis->SetTitleMargin(10);
    $graph->xaxis->title->SetFont(FF_FONT2,FS_BOLD);

    // Add some grace to the top so that the scale doesn't
    // end exactly at the max value.
    $graph->yaxis->scale->SetGrace(10);

    // Create a bar pot
    $bplot = new BarPlot($datay);
    $bplot->SetFillColor('darkblue');
    $bplot->SetColor('darkblue');
    $bplot->SetWidth(0.5);
    $bplot->SetShadow('darkgray');

    // Setup the values that are displayed on top of each bar
    // Must use TTF fonts if we want text at an arbitrary angle
    $bplot->value->Show();
    $bplot->value->SetFont(FF_ARIAL,FS_NORMAL,8);
    $bplot->value->SetFormat('$%d');
    $bplot->value->SetColor('darkred');
    $bplot->value->SetAngle(45);
    $graph->Add($bplot);

    // Finally stroke the graph
    $graph->Stroke();
    ?>