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<?php |
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/** |
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* JPGraph v4.0.3 |
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*/ |
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namespace Amenadiel\JpGraph\Plot; |
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/** |
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* @class RadarPlot |
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* // Description: Plot a radarplot |
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*/ |
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class RadarPlot |
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{ |
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public $mark; |
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public $legend = ''; |
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public $legendcsimtarget = ''; |
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public $legendcsimalt = ''; |
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public $csimtargets = []; // Array of targets for CSIM |
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public $csimareas = ''; // Resultant CSIM area tags |
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public $csimalts; // ALT:s for corresponding target |
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private $data = []; |
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private $fill = false; |
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private $fill_color = [200, 170, 180]; |
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private $color = [0, 0, 0]; |
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private $weight = 1; |
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private $linestyle = 'solid'; |
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/** |
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* CONSTRUCTOR. |
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* |
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* @param mixed $data |
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*/ |
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public function __construct($data) |
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{ |
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$this->data = $data; |
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$this->mark = new PlotMark(); |
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} |
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public function Min() |
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{ |
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return min($this->data); |
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} |
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public function Max() |
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{ |
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return max($this->data); |
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} |
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public function SetLegend($legend) |
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{ |
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$this->legend = $legend; |
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} |
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public function SetLineStyle($aStyle) |
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{ |
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$this->linestyle = $aStyle; |
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} |
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public function SetLineWeight($w) |
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{ |
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$this->weight = $w; |
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} |
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public function SetFillColor($aColor) |
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{ |
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$this->fill_color = $aColor; |
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$this->fill = true; |
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} |
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public function SetFill($f = true) |
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{ |
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$this->fill = $f; |
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} |
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public function SetColor($aColor, $aFillColor = false) |
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{ |
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$this->color = $aColor; |
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if ($aFillColor) { |
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$this->SetFillColor($aFillColor); |
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$this->fill = true; |
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} |
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} |
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// Set href targets for CSIM |
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public function SetCSIMTargets($aTargets, $aAlts = null) |
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{ |
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$this->csimtargets = $aTargets; |
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$this->csimalts = $aAlts; |
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} |
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// Get all created areas |
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public function GetCSIMareas() |
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{ |
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return $this->csimareas; |
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} |
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public function Stroke($img, $pos, $scale, $startangle) |
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{ |
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$nbrpnts = safe_count($this->data); |
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$astep = 2 * M_PI / $nbrpnts; |
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$a = $startangle; |
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for ($i = 0; $i < $nbrpnts; ++$i) { |
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// Rotate each non null point to the correct axis-angle |
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$cs = $scale->RelTranslate($this->data[$i]); |
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$x = round($cs * cos($a) + $scale->scale_abs[0]); |
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$y = round($pos - $cs * sin($a)); |
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$pnts[$i * 2] = $x; |
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$pnts[$i * 2 + 1] = $y; |
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// If the next point is null then we draw this polygon segment |
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// to the center, skip the next and draw the next segment from |
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// the center up to the point on the axis with the first non-null |
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// value and continues from that point. Some additoinal logic is necessary |
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// to handle the boundary conditions |
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if ($i < $nbrpnts - 1) { |
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if (is_null($this->data[$i + 1])) { |
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$cs = 0; |
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$x = round($cs * cos($a) + $scale->scale_abs[0]); |
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$y = round($pos - $cs * sin($a)); |
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$pnts[$i * 2] = $x; |
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$pnts[$i * 2 + 1] = $y; |
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$a += $astep; |
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} |
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} |
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$a += $astep; |
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} |
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if ($this->fill) { |
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$img->SetColor($this->fill_color); |
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$img->FilledPolygon($pnts); |
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} |
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$img->SetLineWeight($this->weight); |
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$img->SetColor($this->color); |
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$img->SetLineStyle($this->linestyle); |
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$pnts[] = $pnts[0]; |
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$pnts[] = $pnts[1]; |
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$img->Polygon($pnts); |
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$img->SetLineStyle('solid'); // Reset line style to default |
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// Add plotmarks on top |
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if ($this->mark->show) { |
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for ($i = 0; $i < $nbrpnts; ++$i) { |
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if (isset($this->csimtargets[$i])) { |
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$this->mark->SetCSIMTarget($this->csimtargets[$i]); |
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$this->mark->SetCSIMAlt($this->csimalts[$i]); |
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$this->mark->SetCSIMAltVal($pnts[$i * 2], $pnts[$i * 2 + 1]); |
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$this->mark->Stroke($img, $pnts[$i * 2], $pnts[$i * 2 + 1]); |
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$this->csimareas .= $this->mark->GetCSIMAreas(); |
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} else { |
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$this->mark->Stroke($img, $pnts[$i * 2], $pnts[$i * 2 + 1]); |
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} |
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} |
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} |
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} |
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public function GetCount() |
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{ |
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return safe_count($this->data); |
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} |
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public function Legend($graph) |
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{ |
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if ($this->legend == '') { |
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return; |
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} |
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if ($this->fill) { |
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$graph->legend->Add($this->legend, $this->fill_color, $this->mark); |
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} else { |
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$graph->legend->Add($this->legend, $this->color, $this->mark); |
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} |
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} |
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} // @class |
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