ganttconstrainex2.php

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    <?php // content="text/plain; charset=utf-8"
    // Gantt example
    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_gantt.php');

    //
    // The data for the graphs
    //
    $data = array(
        array(0,ACTYPE_GROUP,    "Phase 1",        "2001-10-26","2001-11-23",''),
        array(1,ACTYPE_NORMAL,   "  Label 2",      "2001-11-01","2001-11-20",''),
        array(2,ACTYPE_NORMAL,   "  Label 3",      "2001-10-26","2001-11-03",''),
        array(3,ACTYPE_MILESTONE,"  Phase 1 Done", "2001-11-23",'M2') );

    // The constrains between the activities
    $constrains = array(array(2,1,CONSTRAIN_ENDSTART),
                array(1,3,CONSTRAIN_STARTSTART));

    $progress = array(array(1,0.4));

    // Create the basic graph
    $graph = new GanttGraph();
    $graph->title->Set("Example with grouping and constrains");
    //$graph->SetFrame(false);

    // Setup scale
    $graph->ShowHeaders(GANTT_HYEAR | GANTT_HMONTH | GANTT_HDAY | GANTT_HWEEK);
    $graph->scale->week->SetStyle(WEEKSTYLE_FIRSTDAYWNBR);

    // Add the specified activities
    $graph->CreateSimple($data,$constrains,$progress);

    // .. and stroke the graph
    $graph->Stroke();

    ?>