polarex7-1.php

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    <?php // content="text/plain; charset=utf-8"
    // A simple Polar graph,

    require_once ('jpgraph/jpgraph.php');
    require_once ('jpgraph/jpgraph_polar.php');

    $data = array(0,1,30,2,30,25,40,60,
              50,110,60,160,70,210,75,230,80,260,85,370,
              90,480,
              95,370,100,260,105,230,
              110,210,120,160,130,110,140,60,
              150,25,150,2,180,1);

    $graph = new PolarGraph(300,350);
    $graph->SetScale('log',100);
    $graph->SetType(POLAR_180);
    $graph->SetPlotSize(220,250);

    // Hide frame around graph (by setting width=0)
    $graph->SetFrame(true,'white',1);

    $graph->SetBackgroundGradient('blue:1.3','brown:1.4',GRAD_HOR,BGRAD_PLOT);

    // Set color for gradient lines
    $graph->axis->SetGridColor('gray','gray','gray');

    // Setup axis title
    $graph->axis->SetTitle('Coverage (in meter)','middle');
    $graph->axis->title->SetFont(FF_FONT1,FS_BOLD);

    $graph->title->Set('Polar plot #7');
    $graph->title->SetFont(FF_ARIAL,FS_BOLD,16);
    $graph->title->SetColor('navy');

    // Adjust legen box position and color
    $graph->legend->SetColor('navy','darkgray');
    $graph->legend->SetFillColor('white');
    $graph->legend->SetShadow('darkgray@0.5',5);

    $p = new PolarPlot($data);
    $p->SetFillColor('lightblue@0.5');
    $p->mark->SetType(MARK_SQUARE);
    $p->SetLegend("Mirophone #1\n(No amps)");

    $graph->Add($p);

    $graph->Stroke();

    ?>