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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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use Amenadiel\JpGraph\Image; |
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use Amenadiel\JpGraph\Util; |
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/** |
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* @class FieldPlot |
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* // Description: Render a field plot |
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*/ |
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class FieldPlot extends Plot |
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{ |
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public $arrow = ''; |
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private $iAngles = []; |
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private $iCallback = ''; |
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public function __construct($datay, $datax, $angles) |
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{ |
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if ((safe_count($datax) != safe_count($datay))) { |
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Util\JpGraphError::RaiseL(20001); |
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} |
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//("Fieldplots must have equal number of X and Y points."); |
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if ((safe_count($datax) != safe_count($angles))) { |
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Util\JpGraphError::RaiseL(20002); |
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} |
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//("Fieldplots must have an angle specified for each X and Y points."); |
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$this->iAngles = $angles; |
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parent::__construct($datay, $datax); |
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$this->value->SetAlign('center', 'center'); |
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$this->value->SetMargin(15); |
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$this->arrow = new Image\FieldArrow(); |
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} |
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public function SetCallback($aFunc) |
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{ |
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$this->iCallback = $aFunc; |
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} |
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public function Stroke($img, $xscale, $yscale) |
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{ |
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// Remeber base color and size |
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$bc = $this->arrow->iColor; |
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$bs = $this->arrow->iSize; |
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$bas = $this->arrow->iArrowSize; |
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for ($i = 0; $i < $this->numpoints; ++$i) { |
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// Skip null values |
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if ($this->coords[0][$i] === '') { |
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continue; |
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} |
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$f = $this->iCallback; |
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if ($f != '') { |
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list($cc, $cs, $cas) = call_user_func($f, $this->coords[1][$i], $this->coords[0][$i], $this->iAngles[$i]); |
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// Fall back on global data if the callback isn't set |
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if ($cc == '') { |
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$cc = $bc; |
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} |
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if ($cs == '') { |
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$cs = $bs; |
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} |
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if ($cas == '') { |
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$cas = $bas; |
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} |
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$this->arrow->SetColor($cc); |
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$this->arrow->SetSize($cs, $cas); |
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} |
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$xt = $xscale->Translate($this->coords[1][$i]); |
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$yt = $yscale->Translate($this->coords[0][$i]); |
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$this->arrow->Stroke($img, $xt, $yt, $this->iAngles[$i]); |
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$this->value->Stroke($img, $this->coords[0][$i], $xt, $yt); |
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} |
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} |
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// Framework function |
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public function Legend($aGraph) |
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{ |
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if ($this->legend != '') { |
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$aGraph->legend->Add( |
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$this->legend, |
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$this->mark->fill_color, |
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$this->mark, |
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0, |
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$this->legendcsimtarget, |
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$this->legendcsimalt, |
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$this->legendcsimwintarget |
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); |
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} |
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} |
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} |
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HuasoFoundries /
jpgraph
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