54 lines
1.2 KiB
PHP
54 lines
1.2 KiB
PHP
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<?php
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// A simple Polar graph,
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include "../jpgraph.php";
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include "../jpgraph_polar.php";
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$data = array(0,1,30,2,30,25,40,60,
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50,110,60,160,70,210,75,230,80,260,85,370,
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90,480,
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95,370,100,260,105,230,
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110,210,120,160,130,110,140,60,
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150,25,150,2,180,1);
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$n = count($data);
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for($i=0; $i < $n; $i+=2 ) {
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$data[$n+$i] = 360-$data[$i];
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$data[$n+$i+1] = $data[$i+1];
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}
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$graph = new PolarGraph(300,400);
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$graph->SetScale('log',100);
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$graph->SetType(POLAR_360);
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$graph->SetPlotSize(220,300);
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// Hide frame around graph (by setting width=0)
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$graph->SetFrame(true,'white',1);
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$graph->SetBackgroundGradient('blue:1.3','brown:1.4',GRAD_MIDHOR,BGRAD_PLOT);
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// Set color for gradient lines
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$graph->axis->SetGridColor('gray','gray','gray');
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$graph->title->Set('Polar plot #7-2');
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$graph->title->SetFont(FF_ARIAL,FS_BOLD,16);
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$graph->title->SetColor('navy');
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// Adjust legen box position and color
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$graph->legend->SetColor('navy','darkgray');
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$graph->legend->SetFillColor('white');
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$graph->legend->SetShadow('darkgray@0.5',5);
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$p = new PolarPlot($data);
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$p->SetFillColor('yellow@0.6');
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$p->mark->SetType(MARK_SQUARE);
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$p->SetLegend("Mirophone #1\n(No amps)");
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$graph->Add($p);
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$graph->Stroke();
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?>
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