Viewing file:  polarex10.php (1.53 KB) -rw-r--r--
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<?php
// A simple Polar graph,
include "../jpgraph.php";
include "../jpgraph_polar.php";
$data = array(5,1,20,5,30,25,40,60,
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,
150,25,160,5,175,1);
$n = count($data);
/*
for($i=0; $i < $n; $i+=2 ) {
$data[$n+$i] = 360-$data[$i];
$data[$n+$i+1] = $data[$i+1];
}
*/
$graph = new PolarGraph(350,480);
$graph->SetScale('log',100);
$graph->SetType(POLAR_360);
// Hide frame around graph (by setting width=0)
$graph->SetFrame(true,'white',1);
// Show both major and minor grid lines
$graph->axis->ShowGrid(true,true);
// Set color for gradient lines
$graph->axis->SetGridColor('lightblue:0.9','lightblue:0.9','lightblue:0.9');
// Set label and axis colors
$graph->axis->SetColor('black','navy','darkred');
// Draw the ticks on the bottom side of the radius axis
$graph->axis->SetTickSide(SIDE_DOWN);
// Increase the margin for the labels since we changed the
// side of the ticks.
$graph->axis->SetLabelMargin(6);
// Change fonts
$graph->axis->SetFont(FF_ARIAL,FS_NORMAL,8);
$graph->axis->SetAngleFont(FF_ARIAL,FS_NORMAL,8);
// Setup graph title
$graph->title->Set('Polar plot #10');
$graph->title->SetFont(FF_ARIAL,FS_BOLD,16);
$graph->title->SetColor('navy');
// Setup tab title
$graph->tabtitle->Set('Microphone #1');
$graph->tabtitle->SetColor('brown:0.5','lightyellow');
$p = new PolarPlot($data);
$p->SetFillColor('lightblue@0.5');
$p->mark->SetType(MARK_SQUARE);
$graph->Add($p);
$graph->Stroke();
?>
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