// 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 axis title
$graph->axis->SetTitle('Coverage (in meter)', 'middle');
$graph->axis->title->SetFont(FF_FONT1, FS_BOLD);
// Setup graph title
$graph->title->Set('Polar plot #9');
$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');
// Setup the polar plot with CSIM targets for the marks
$p = new PolarPlot($data);
$p->SetFillColor('lightblue@0.5');
$p->mark->SetType(MARK_SQUARE);
$p->mark->SetWidth(10);
$p->SetCSIMTargets($targets);
$graph->Add($p);
$graph->StrokeCSIM();
