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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\Graph; |
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use Amenadiel\JpGraph\Image; |
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use Amenadiel\JpGraph\Text; |
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use Amenadiel\JpGraph\Util; |
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define('WINDROSE_TYPE4', 1); |
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define('WINDROSE_TYPE8', 2); |
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define('WINDROSE_TYPE16', 3); |
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define('WINDROSE_TYPEFREE', 4); |
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/* |
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* How should the labels for the circular grids be aligned |
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*/ |
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define('LBLALIGN_CENTER', 1); |
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define('LBLALIGN_TOP', 2); |
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/* |
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* How should the labels around the plot be align |
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*/ |
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define('LBLPOSITION_CENTER', 1); |
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define('LBLPOSITION_EDGE', 2); |
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/* |
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* Interpretation of ordinal values in the data |
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*/ |
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define('KEYENCODING_CLOCKWISE', 1); |
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define('KEYENCODING_ANTICLOCKWISE', 2); |
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// Internal debug flag |
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define('__DEBUG', false); |
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define('RANGE_OVERLAPPING', 0); |
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define('RANGE_DISCRETE', 1); |
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/** |
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* @class WindrosePlot |
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*/ |
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class WindrosePlot |
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{ |
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private $iAntiAlias = true; |
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private $iData = []; |
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public $iX = 0.5; |
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public $iY = 0.5; |
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public $iSize = 0.55; |
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private $iGridColor1 = 'gray'; |
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private $iGridColor2 = 'darkgreen'; |
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private $iRadialColorArray = []; |
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private $iRadialWeightArray = []; |
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private $iRadialStyleArray = []; |
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private $iRanges = [1, 2, 3, 5, 6, 10, 13.5, 99.0]; |
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private $iRangeStyle = RANGE_OVERLAPPING; |
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public $iCenterSize = 60; |
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private $iType = WINDROSE_TYPE16; |
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public $iFontFamily = FF_VERDANA; |
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public $iFontStyle = FS_NORMAL; |
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public $iFontSize = 10; |
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public $iFontColor = 'darkgray'; |
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private $iRadialGridStyle = 'longdashed'; |
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private $iAllDirectionLabels = ['E', 'ENE', 'NE', 'NNE', 'N', 'NNW', 'NW', 'WNW', 'W', 'WSW', 'SW', 'SSW', 'S', 'SSE', 'SE', 'ESE']; |
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private $iStandardDirections = []; |
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private $iCircGridWeight = 3; |
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private $iRadialGridWeight = 1; |
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private $iLabelMargin = 12; |
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private $iLegweights = [2, 4, 6, 8, 10, 12, 14, 16, 18, 20]; |
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private $iLegColors = ['orange', 'black', 'blue', 'red', 'green', 'purple', 'navy', 'yellow', 'brown']; |
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private $iLabelFormatString = ''; |
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private $iLabels = []; |
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private $iLabelPositioning = LBLPOSITION_EDGE; |
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private $iColor = 'white'; |
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private $iShowBox = false; |
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private $iBoxColor = 'black'; |
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private $iBoxWeight = 1; |
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private $iBoxStyle = 'solid'; |
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private $iOrdinalEncoding = KEYENCODING_ANTICLOCKWISE; |
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public $legend; |
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public function __construct($aData) |
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{ |
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$this->iData = $aData; |
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$this->legend = new LegendStyle(); |
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// Setup the scale |
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$this->scale = new Graph\WindrosePlotScale($this->iData); |
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// default label for free type i agle and a degree sign |
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$this->iLabelFormatString = '%.1f' . Graph\SymChar::Get('degree'); |
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$delta = 2 * M_PI / 16; |
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for ($i = 0, $a = 0; $i < 16; ++$i, $a += $delta) { |
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$this->iStandardDirections[$this->iAllDirectionLabels[$i]] = $a; |
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} |
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} |
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// Dummy method to make window plots have the same signature as the |
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// layout classes since windrose plots are "leaf" classes in the hierarchy |
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public function LayoutSize() |
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{ |
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return 1; |
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} |
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public function SetSize($aSize) |
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{ |
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$this->iSize = $aSize; |
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} |
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public function SetDataKeyEncoding($aEncoding) |
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{ |
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$this->iOrdinalEncoding = $aEncoding; |
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} |
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public function SetColor($aColor) |
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{ |
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$this->iColor = $aColor; |
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} |
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public function SetRadialColors($aColors) |
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{ |
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$this->iRadialColorArray = $aColors; |
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} |
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public function SetRadialWeights($aWeights) |
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{ |
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$this->iRadialWeightArray = $aWeights; |
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} |
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public function SetRadialStyles($aStyles) |
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{ |
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$this->iRadialStyleArray = $aStyles; |
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} |
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public function SetBox($aColor = 'black', $aWeight = 1, $aStyle = 'solid', $aShow = true) |
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{ |
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$this->iShowBox = $aShow; |
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$this->iBoxColor = $aColor; |
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$this->iBoxWeight = $aWeight; |
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$this->iBoxStyle = $aStyle; |
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} |
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public function SetLabels($aLabels) |
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{ |
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$this->iLabels = $aLabels; |
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} |
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public function SetLabelMargin($aMarg) |
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{ |
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$this->iLabelMargin = $aMarg; |
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} |
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public function SetLabelFormat($aLblFormat) |
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{ |
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$this->iLabelFormatString = $aLblFormat; |
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} |
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public function SetCompassLabels($aLabels) |
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{ |
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if (safe_count($aLabels) != 16) { |
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Util\JpGraphError::RaiseL(22004); //('Label specification for windrose directions must have 16 values (one for each compass direction).'); |
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} |
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$this->iAllDirectionLabels = $aLabels; |
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$delta = 2 * M_PI / 16; |
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for ($i = 0, $a = 0; $i < 16; ++$i, $a += $delta) { |
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$this->iStandardDirections[$this->iAllDirectionLabels[$i]] = $a; |
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} |
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} |
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public function SetCenterSize($aSize) |
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{ |
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$this->iCenterSize = $aSize; |
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} |
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// Alias for SetCenterSize |
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public function SetZCircleSize($aSize) |
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{ |
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$this->iCenterSize = $aSize; |
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} |
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public function SetFont($aFFam, $aFStyle = FS_NORMAL, $aFSize = 10) |
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{ |
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$this->iFontFamily = $aFFam; |
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$this->iFontStyle = $aFStyle; |
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$this->iFontSize = $aFSize; |
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} |
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public function SetFontColor($aColor) |
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{ |
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$this->iFontColor = $aColor; |
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} |
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public function SetGridColor($aColor1, $aColor2) |
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{ |
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$this->iGridColor1 = $aColor1; |
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$this->iGridColor2 = $aColor2; |
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} |
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public function SetGridWeight($aGrid1 = 1, $aGrid2 = 2) |
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{ |
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$this->iCircGridWeight = $aGrid1; |
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$this->iRadialGridWeight = $aGrid2; |
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} |
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public function SetRadialGridStyle($aStyle) |
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{ |
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$aStyle = strtolower($aStyle); |
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if (!in_array($aStyle, ['solid', 'dotted', 'dashed', 'longdashed'], true)) { |
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Util\JpGraphError::RaiseL(22005); //("Line style for radial lines must be on of ('solid','dotted','dashed','longdashed') "); |
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} |
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$this->iRadialGridStyle = $aStyle; |
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} |
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public function SetRanges($aRanges) |
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{ |
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$this->iRanges = $aRanges; |
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} |
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public function SetRangeStyle($aStyle) |
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{ |
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$this->iRangeStyle = $aStyle; |
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} |
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public function SetRangeColors($aLegColors) |
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{ |
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$this->iLegColors = $aLegColors; |
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} |
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public function SetRangeWeights($aWeights) |
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{ |
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$n = safe_count($aWeights); |
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for ($i = 0; $i < $n; ++$i) { |
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$aWeights[$i] = floor($aWeights[$i] / 2); |
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} |
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$this->iLegweights = $aWeights; |
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} |
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public function SetType($aType) |
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{ |
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if ($aType < WINDROSE_TYPE4 || $aType > WINDROSE_TYPEFREE) { |
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Util\JpGraphError::RaiseL(22006); //('Illegal windrose type specified.'); |
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} |
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$this->iType = $aType; |
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} |
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// Alias for SetPos() |
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public function SetCenterPos($aX, $aY) |
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{ |
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$this->iX = $aX; |
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$this->iY = $aY; |
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} |
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public function SetPos($aX, $aY) |
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{ |
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$this->iX = $aX; |
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$this->iY = $aY; |
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} |
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public function SetAntiAlias($aFlag) |
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{ |
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$this->iAntiAlias = $aFlag; |
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if (!$aFlag) { |
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$this->iCircGridWeight = 1; |
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} |
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} |
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public function _ThickCircle($aImg, $aXC, $aYC, $aRad, $aWeight, $aColor) |
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{ |
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$aImg->SetColor($aColor); |
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$aRad *= 2; |
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$aImg->Ellipse($aXC, $aYC, $aRad, $aRad); |
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if ($aWeight > 1) { |
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$aImg->Ellipse($aXC, $aYC, $aRad + 1, $aRad + 1); |
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$aImg->Ellipse($aXC, $aYC, $aRad + 2, $aRad + 2); |
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if ($aWeight > 2) { |
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$aImg->Ellipse($aXC, $aYC, $aRad + 3, $aRad + 3); |
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$aImg->Ellipse($aXC, $aYC, $aRad + 3, $aRad + 4); |
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$aImg->Ellipse($aXC, $aYC, $aRad + 4, $aRad + 3); |
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} |
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} |
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} |
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public function _StrokeWindLeg($aImg, $xc, $yc, $a, $ri, $r, $weight, $color) |
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{ |
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// If less than 1 px long then we assume this has been caused by rounding problems |
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// and should not be stroked |
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if ($r < 1) { |
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return; |
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} |
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$xt = $xc + cos($a) * $ri; |
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$yt = $yc - sin($a) * $ri; |
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$xxt = $xc + cos($a) * ($ri + $r); |
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$yyt = $yc - sin($a) * ($ri + $r); |
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$x1 = $xt - $weight * sin($a); |
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$y1 = $yt - $weight * cos($a); |
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$x2 = $xxt - $weight * sin($a); |
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$y2 = $yyt - $weight * cos($a); |
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$x3 = $xxt + $weight * sin($a); |
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$y3 = $yyt + $weight * cos($a); |
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$x4 = $xt + $weight * sin($a); |
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$y4 = $yt + $weight * cos($a); |
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$pts = [$x1, $y1, $x2, $y2, $x3, $y3, $x4, $y4]; |
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$aImg->SetColor($color); |
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$aImg->FilledPolygon($pts); |
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} |
|
314
|
|
|
|
|
315
|
|
|
public function _StrokeLegend($aImg, $x, $y, $scaling = 1, $aReturnWidth = false) |
|
316
|
|
|
{ |
|
317
|
|
|
if (!$this->legend->iShow) { |
|
318
|
|
|
return 0; |
|
319
|
|
|
} |
|
320
|
|
|
|
|
321
|
|
|
$nlc = safe_count($this->iLegColors); |
|
322
|
|
|
$nlw = safe_count($this->iLegweights); |
|
323
|
|
|
|
|
324
|
|
|
// Setup font for ranges |
|
325
|
|
|
$value = new Text\Text(); |
|
326
|
|
|
$value->SetAlign('center', 'bottom'); |
|
327
|
|
|
$value->SetFont( |
|
328
|
|
|
$this->legend->iLblFontFamily, |
|
329
|
|
|
$this->legend->iLblFontStyle, |
|
330
|
|
|
$this->legend->iLblFontSize * $scaling |
|
331
|
|
|
); |
|
332
|
|
|
$value->SetColor($this->legend->iLblFontColor); |
|
333
|
|
|
|
|
334
|
|
|
// Remember x-center |
|
335
|
|
|
$xcenter = $x; |
|
336
|
|
|
|
|
337
|
|
|
// Construct format string |
|
338
|
|
|
$fmt = $this->legend->iFormatString . '-' . $this->legend->iFormatString; |
|
339
|
|
|
|
|
340
|
|
|
// Make sure that the length of each range is enough to cover the |
|
341
|
|
|
// size of the labels |
|
342
|
|
|
$tst = sprintf($fmt, $this->iRanges[0], $this->iRanges[1]); |
|
343
|
|
|
$value->Set($tst); |
|
344
|
|
|
$w = $value->GetWidth($aImg); |
|
345
|
|
|
$l = round(max($this->legend->iLength * $scaling, $w * 1.5)); |
|
346
|
|
|
|
|
347
|
|
|
$r = $this->legend->iCircleRadius * $scaling; |
|
348
|
|
|
$len = 2 * $r + $this->scale->iMaxNum * $l; |
|
349
|
|
|
|
|
350
|
|
|
// We are called just to find out the width |
|
351
|
|
|
if ($aReturnWidth) { |
|
352
|
|
|
return $len; |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
|
|
$x -= round($len / 2); |
|
356
|
|
|
$x += $r; |
|
357
|
|
|
|
|
358
|
|
|
// 4 pixels extra vertical margin since the circle sometimes is +/- 1 pixel of the |
|
359
|
|
|
// theorethical radius due to imperfection in the GD library |
|
360
|
|
|
//$y -= round(max($r,$scaling*$this->iLegweights[($this->scale->iMaxNum-1) % $nlw])+4*$scaling); |
|
361
|
|
|
$y -= ($this->legend->iCircleRadius + 2) * $scaling + $this->legend->iBottomMargin * $scaling; |
|
362
|
|
|
|
|
363
|
|
|
// Adjust for bottom text |
|
364
|
|
|
if ($this->legend->iTxt != '') { |
|
365
|
|
|
// Setup font for text |
|
366
|
|
|
$value->Set($this->legend->iTxt); |
|
367
|
|
|
$y -= /*$this->legend->iTxtMargin + */$value->GetHeight($aImg); |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
// Stroke 0-circle |
|
371
|
|
|
$this->_ThickCircle( |
|
372
|
|
|
$aImg, |
|
373
|
|
|
$x, |
|
374
|
|
|
$y, |
|
375
|
|
|
$r, |
|
376
|
|
|
$this->legend->iCircleWeight, |
|
377
|
|
|
$this->legend->iCircleColor |
|
378
|
|
|
); |
|
379
|
|
|
|
|
380
|
|
|
// Remember the center of the circe |
|
381
|
|
|
$xc = $x; |
|
382
|
|
|
$yc = $y; |
|
383
|
|
|
|
|
384
|
|
|
$value->SetAlign('center', 'bottom'); |
|
385
|
|
|
$x += $r + 1; |
|
386
|
|
|
|
|
387
|
|
|
// Stroke all used ranges |
|
388
|
|
|
$txty = $y - |
|
389
|
|
|
round($this->iLegweights[($this->scale->iMaxNum - 1) % $nlw] * $scaling) - 4 * $scaling; |
|
390
|
|
|
if ($this->scale->iMaxNum >= safe_count($this->iRanges)) { |
|
391
|
|
|
Util\JpGraphError::RaiseL(22007); //('To few values for the range legend.'); |
|
392
|
|
|
} |
|
393
|
|
|
$i = 0; |
|
394
|
|
|
$idx = 0; |
|
395
|
|
|
while ($i < $this->scale->iMaxNum) { |
|
396
|
|
|
$y1 = $y - round($this->iLegweights[$i % $nlw] * $scaling); |
|
397
|
|
|
$y2 = $y + round($this->iLegweights[$i % $nlw] * $scaling); |
|
398
|
|
|
$x2 = $x + $l; |
|
399
|
|
|
$aImg->SetColor($this->iLegColors[$i % $nlc]); |
|
400
|
|
|
$aImg->FilledRectangle($x, $y1, $x2, $y2); |
|
401
|
|
|
if ($this->iRangeStyle == RANGE_OVERLAPPING) { |
|
402
|
|
|
$lbl = sprintf($fmt, $this->iRanges[$idx], $this->iRanges[$idx + 1]); |
|
403
|
|
|
} else { |
|
404
|
|
|
$lbl = sprintf($fmt, $this->iRanges[$idx], $this->iRanges[$idx + 1]); |
|
405
|
|
|
++$idx; |
|
406
|
|
|
} |
|
407
|
|
|
$value->Set($lbl); |
|
408
|
|
|
$value->Stroke($aImg, $x + $l / 2, $txty); |
|
409
|
|
|
$x = $x2; |
|
410
|
|
|
++$i; |
|
411
|
|
|
++$idx; |
|
412
|
|
|
} |
|
413
|
|
|
|
|
414
|
|
|
// Setup circle font |
|
415
|
|
|
$value->SetFont( |
|
416
|
|
|
$this->legend->iCircleFontFamily, |
|
417
|
|
|
$this->legend->iCircleFontStyle, |
|
418
|
|
|
$this->legend->iCircleFontSize * $scaling |
|
419
|
|
|
); |
|
420
|
|
|
$value->SetColor($this->legend->iCircleFontColor); |
|
421
|
|
|
|
|
422
|
|
|
// Stroke 0-circle text |
|
423
|
|
|
$value->Set($this->legend->iZCircleTxt); |
|
424
|
|
|
$value->SetAlign('center', 'center'); |
|
425
|
|
|
$value->ParagraphAlign('center'); |
|
426
|
|
|
$value->Stroke($aImg, $xc, $yc); |
|
427
|
|
|
|
|
428
|
|
|
// Setup circle font |
|
429
|
|
|
$value->SetFont( |
|
430
|
|
|
$this->legend->iTxtFontFamily, |
|
431
|
|
|
$this->legend->iTxtFontStyle, |
|
432
|
|
|
$this->legend->iTxtFontSize * $scaling |
|
433
|
|
|
); |
|
434
|
|
|
$value->SetColor($this->legend->iTxtFontColor); |
|
435
|
|
|
|
|
436
|
|
|
// Draw the text under the legend |
|
437
|
|
|
$value->Set($this->legend->iTxt); |
|
438
|
|
|
$value->SetAlign('center', 'top'); |
|
439
|
|
|
$value->SetParagraphAlign('center'); |
|
440
|
|
|
$value->Stroke($aImg, $xcenter, $y2 + $this->legend->iTxtMargin * $scaling); |
|
|
|
|
|
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
public function SetAutoScaleAngle($aIsRegRose = true) |
|
444
|
|
|
{ |
|
445
|
|
|
// If the user already has manually set an angle don't |
|
446
|
|
|
// trye to find a position |
|
447
|
|
|
if (is_numeric($this->scale->iAngle)) { |
|
448
|
|
|
return; |
|
449
|
|
|
} |
|
450
|
|
|
|
|
451
|
|
|
if ($aIsRegRose) { |
|
452
|
|
|
// Create a complete data for all directions |
|
453
|
|
|
// and translate string directions to ordinal values. |
|
454
|
|
|
// This will much simplify the logic below |
|
455
|
|
|
for ($i = 0; $i < 16; ++$i) { |
|
456
|
|
|
$dtxt = $this->iAllDirectionLabels[$i]; |
|
457
|
|
|
if (!empty($this->iData[$dtxt])) { |
|
458
|
|
|
$data[$i] = $this->iData[$dtxt]; |
|
459
|
|
|
} elseif (!empty($this->iData[strtolower($dtxt)])) { |
|
460
|
|
|
$data[$i] = $this->iData[strtolower($dtxt)]; |
|
461
|
|
|
} elseif (!empty($this->iData[$i])) { |
|
462
|
|
|
$data[$i] = $this->iData[$i]; |
|
463
|
|
|
} else { |
|
464
|
|
|
$data[$i] = []; |
|
465
|
|
|
} |
|
466
|
|
|
} |
|
467
|
|
|
|
|
468
|
|
|
// Find the leg which has the lowest weighted sum of number of data around it |
|
469
|
|
|
$c0 = array_sum($data[0]); |
|
|
|
|
|
|
470
|
|
|
$c1 = array_sum($data[1]); |
|
471
|
|
|
$found = 1; |
|
472
|
|
|
$min = $c0 + $c1 * 100; // Initialize to a high value |
|
473
|
|
|
for ($i = 1; $i < 15; ++$i) { |
|
474
|
|
|
$c2 = array_sum($data[$i + 1]); |
|
475
|
|
|
|
|
476
|
|
|
// Weight the leg we will use more to give preference |
|
477
|
|
|
// to a short middle leg even if the 3 way sum is similair |
|
478
|
|
|
$w = $c0 + 3 * $c1 + $c2; |
|
479
|
|
|
if ($w < $min) { |
|
480
|
|
|
$min = $w; |
|
481
|
|
|
$found = $i; |
|
482
|
|
|
} |
|
483
|
|
|
$c0 = $c1; |
|
484
|
|
|
$c1 = $c2; |
|
485
|
|
|
} |
|
486
|
|
|
$this->scale->iAngle = $found * 22.5; |
|
487
|
|
|
} else { |
|
488
|
|
|
$n = safe_count($this->iData); |
|
|
|
|
|
|
489
|
|
|
foreach ($this->iData as $dir => $leg) { |
|
490
|
|
|
if (!is_numeric($dir)) { |
|
491
|
|
|
$pos = array_search(strtoupper($dir), $this->iAllDirectionLabels, true); |
|
492
|
|
|
if ($pos !== false) { |
|
493
|
|
|
$dir = $pos * 22.5; |
|
494
|
|
|
} |
|
495
|
|
|
} |
|
496
|
|
|
$data[round($dir)] = $leg; |
|
497
|
|
|
} |
|
498
|
|
|
|
|
499
|
|
|
// Get all the angles for the data and sort it |
|
500
|
|
|
$keys = array_keys($data); |
|
501
|
|
|
sort($keys, SORT_NUMERIC); |
|
502
|
|
|
|
|
503
|
|
|
$n = safe_count($data); |
|
504
|
|
|
$found = false; |
|
505
|
|
|
$max = 0; |
|
506
|
|
|
for ($i = 0; $i < 15; ++$i) { |
|
507
|
|
|
$try_a = round(22.5 * $i); |
|
508
|
|
|
|
|
509
|
|
|
if ($try_a > $keys[$n - 1]) { |
|
510
|
|
|
break; |
|
511
|
|
|
} |
|
512
|
|
|
|
|
513
|
|
|
if (in_array($try_a, $keys, true)) { |
|
514
|
|
|
continue; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
|
|
// Find the angle just lower than this |
|
518
|
|
|
$j = 0; |
|
519
|
|
|
while ($j < $n && $keys[$j] <= $try_a) { |
|
520
|
|
|
++$j; |
|
521
|
|
|
} |
|
522
|
|
|
|
|
523
|
|
|
if ($j == 0) { |
|
524
|
|
|
$kj = 0; |
|
525
|
|
|
$keys[$n - 1]; |
|
526
|
|
|
$d1 = 0; |
|
527
|
|
|
abs($kj - $try_a); |
|
528
|
|
|
} else { |
|
529
|
|
|
--$j; |
|
530
|
|
|
$kj = $keys[$j]; |
|
531
|
|
|
$d1 = abs($kj - $try_a); |
|
532
|
|
|
} |
|
533
|
|
|
|
|
534
|
|
|
// Find the angle just larger than this |
|
535
|
|
|
$l = $n - 1; |
|
536
|
|
|
while ($l >= 0 && $keys[$l] >= $try_a) { |
|
537
|
|
|
--$l; |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
|
|
if ($l == $n - 1) { |
|
541
|
|
|
$kl = $keys[0]; |
|
542
|
|
|
$d2 = abs($kl - $try_a); |
|
543
|
|
|
} else { |
|
544
|
|
|
++$l; |
|
545
|
|
|
$kl = $keys[$l]; |
|
546
|
|
|
$d2 = abs($kl - $try_a); |
|
547
|
|
|
} |
|
548
|
|
|
|
|
549
|
|
|
// Weight the distance so that legs with large spread |
|
550
|
|
|
// gets a better weight |
|
551
|
|
|
$w = $d1 + $d2; |
|
552
|
|
|
if ($i == 0) { |
|
553
|
|
|
$w = round(1.4 * $w); |
|
554
|
|
|
} |
|
555
|
|
|
$diff = abs($d1 - $d2); |
|
556
|
|
|
$w *= (360 - $diff); |
|
557
|
|
|
if ($w > $max) { |
|
558
|
|
|
$found = $i; |
|
559
|
|
|
$max = $w; |
|
560
|
|
|
} |
|
561
|
|
|
} |
|
562
|
|
|
|
|
563
|
|
|
$a = $found * 22.5; |
|
564
|
|
|
|
|
565
|
|
|
// Some heuristics to have some preferred positions |
|
566
|
|
|
if ($keys[$n - 1] < 25) { |
|
567
|
|
|
$a = 45; |
|
568
|
|
|
} elseif ($keys[0] > 60) { |
|
569
|
|
|
$a = 45; |
|
570
|
|
|
} elseif ($keys[0] > 25 && $keys[$n - 1] < 340) { |
|
571
|
|
|
$a = 0; |
|
572
|
|
|
} elseif ($keys[$n - 1] < 75) { |
|
573
|
|
|
$a = 90; |
|
574
|
|
|
} elseif ($keys[$n - 1] < 120) { |
|
575
|
|
|
$a = 135; |
|
576
|
|
|
} elseif ($keys[$n - 1] < 160) { |
|
577
|
|
|
$a = 180; |
|
578
|
|
|
} |
|
579
|
|
|
|
|
580
|
|
|
$this->scale->iAngle = $a; |
|
581
|
|
|
} |
|
582
|
|
|
} |
|
583
|
|
|
|
|
584
|
|
|
public function NormAngle($a) |
|
585
|
|
|
{ |
|
586
|
|
|
while ($a > 360) { |
|
587
|
|
|
$a -= 360; |
|
588
|
|
|
} |
|
589
|
|
|
|
|
590
|
|
|
return $a; |
|
591
|
|
|
} |
|
592
|
|
|
|
|
593
|
|
|
public function SetLabelPosition($aPos) |
|
594
|
|
|
{ |
|
595
|
|
|
$this->iLabelPositioning = $aPos; |
|
596
|
|
|
} |
|
597
|
|
|
|
|
598
|
|
|
public function _StrokeFreeRose($dblImg, $value, $scaling, $xc, $yc, $r, $ri) |
|
599
|
|
|
{ |
|
600
|
|
|
// Plot radial grid lines and remember the end position |
|
601
|
|
|
// and the angle for later use when plotting the labels |
|
602
|
|
|
if ($this->iType != WINDROSE_TYPEFREE) { |
|
603
|
|
|
Util\JpGraphError::RaiseL(22008); //('Internal error: Trying to plot free Windrose even though type is not a free windorose'); |
|
604
|
|
|
} |
|
605
|
|
|
|
|
606
|
|
|
// Check if we should auto-position the angle for the |
|
607
|
|
|
// labels. Basically we try to find a firection with smallest |
|
608
|
|
|
// (or none) data. |
|
609
|
|
|
$this->SetAutoScaleAngle(false); |
|
610
|
|
|
|
|
611
|
|
|
$nlc = safe_count($this->iLegColors); |
|
612
|
|
|
$nlw = safe_count($this->iLegweights); |
|
613
|
|
|
|
|
614
|
|
|
// Stroke grid lines for directions and remember the |
|
615
|
|
|
// position for the labels |
|
616
|
|
|
$txtpos = []; |
|
617
|
|
|
$num = safe_count($this->iData); |
|
618
|
|
|
|
|
619
|
|
|
$keys = array_keys($this->iData); |
|
620
|
|
|
|
|
621
|
|
|
foreach ($this->iData as $dir => $legdata) { |
|
622
|
|
|
if (in_array($dir, $this->iAllDirectionLabels, true) === true) { |
|
623
|
|
|
$a = $this->iStandardDirections[strtoupper($dir)]; |
|
624
|
|
|
if (in_array($a * 180 / M_PI, $keys, true)) { |
|
625
|
|
|
Util\JpGraphError::RaiseL(22009, round($a * 180 / M_PI)); |
|
626
|
|
|
//('You have specified the same direction twice, once with an angle and once with a compass direction ('.$a*180/M_PI.' degrees.)'); |
|
627
|
|
|
} |
|
628
|
|
|
} elseif (is_numeric($dir)) { |
|
629
|
|
|
$this->NormAngle($dir); |
|
630
|
|
|
|
|
631
|
|
|
if ($this->iOrdinalEncoding == KEYENCODING_CLOCKWISE) { |
|
632
|
|
|
$dir = 360 - $dir; |
|
633
|
|
|
} |
|
634
|
|
|
|
|
635
|
|
|
$a = $dir * M_PI / 180; |
|
636
|
|
|
} else { |
|
637
|
|
|
Util\JpGraphError::RaiseL(22010); //('Direction must either be a numeric value or one of the 16 compass directions'); |
|
638
|
|
|
} |
|
639
|
|
|
|
|
640
|
|
|
$xxc = round($xc + cos($a) * $ri); |
|
|
|
|
|
|
641
|
|
|
$yyc = round($yc - sin($a) * $ri); |
|
642
|
|
|
$x = round($xc + cos($a) * $r); |
|
643
|
|
|
$y = round($yc - sin($a) * $r); |
|
644
|
|
|
if (empty($this->iRadialColorArray[$dir])) { |
|
645
|
|
|
$dblImg->SetColor($this->iGridColor2); |
|
646
|
|
|
} else { |
|
647
|
|
|
$dblImg->SetColor($this->iRadialColorArray[$dir]); |
|
648
|
|
|
} |
|
649
|
|
|
if (empty($this->iRadialWeightArray[$dir])) { |
|
650
|
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight); |
|
651
|
|
|
} else { |
|
652
|
|
|
$dblImg->SetLineWeight($this->iRadialWeightArray[$dir]); |
|
653
|
|
|
} |
|
654
|
|
|
if (empty($this->iRadialStyleArray[$dir])) { |
|
655
|
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle); |
|
656
|
|
|
} else { |
|
657
|
|
|
$dblImg->SetLineStyle($this->iRadialStyleArray[$dir]); |
|
658
|
|
|
} |
|
659
|
|
|
$dblImg->StyleLine($xxc, $yyc, $x, $y); |
|
660
|
|
|
$txtpos[] = [$x, $y, $a]; |
|
661
|
|
|
} |
|
662
|
|
|
$dblImg->SetLineWeight(1); |
|
663
|
|
|
|
|
664
|
|
|
// Setup labels |
|
665
|
|
|
$lr = $scaling * $this->iLabelMargin; |
|
666
|
|
|
|
|
667
|
|
|
if ($this->iLabelPositioning == LBLPOSITION_EDGE) { |
|
668
|
|
|
$value->SetAlign('left', 'top'); |
|
669
|
|
|
} else { |
|
670
|
|
|
$value->SetAlign('center', 'center'); |
|
671
|
|
|
$value->SetMargin(0); |
|
672
|
|
|
} |
|
673
|
|
|
|
|
674
|
|
|
for ($i = 0; $i < $num; ++$i) { |
|
675
|
|
|
list($x, $y, $a) = $txtpos[$i]; |
|
676
|
|
|
|
|
677
|
|
|
// Determine the label |
|
678
|
|
|
|
|
679
|
|
|
$da = $a * 180 / M_PI; |
|
680
|
|
|
if ($this->iOrdinalEncoding == KEYENCODING_CLOCKWISE) { |
|
681
|
|
|
$da = 360 - $da; |
|
682
|
|
|
} |
|
683
|
|
|
|
|
684
|
|
|
//$da = 360-$da; |
|
685
|
|
|
|
|
686
|
|
|
if (!empty($this->iLabels[$keys[$i]])) { |
|
687
|
|
|
$lbl = $this->iLabels[$keys[$i]]; |
|
688
|
|
|
} else { |
|
689
|
|
|
$lbl = sprintf($this->iLabelFormatString, $da); |
|
690
|
|
|
} |
|
691
|
|
|
|
|
692
|
|
|
if ($this->iLabelPositioning == LBLPOSITION_CENTER) { |
|
693
|
|
|
$dx = $dy = 0; |
|
694
|
|
|
} else { |
|
695
|
|
|
// LBLPOSIITON_EDGE |
|
696
|
|
|
if ($a >= 7 * M_PI / 4 || $a <= M_PI / 4) { |
|
697
|
|
|
$dx = 0; |
|
698
|
|
|
} |
|
699
|
|
|
|
|
700
|
|
|
if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) { |
|
701
|
|
|
$dx = ($a - M_PI / 4) * 2 / M_PI; |
|
702
|
|
|
} |
|
703
|
|
|
|
|
704
|
|
|
if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) { |
|
705
|
|
|
$dx = 1; |
|
706
|
|
|
} |
|
707
|
|
|
|
|
708
|
|
|
if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) { |
|
709
|
|
|
$dx = (1 - ($a - M_PI * 5 / 4) * 2 / M_PI); |
|
710
|
|
|
} |
|
711
|
|
|
|
|
712
|
|
|
if ($a >= 7 * M_PI / 4) { |
|
713
|
|
|
$dy = (($a - M_PI) - 3 * M_PI / 4) * 2 / M_PI; |
|
714
|
|
|
} |
|
715
|
|
|
|
|
716
|
|
|
if ($a <= M_PI / 4) { |
|
717
|
|
|
$dy = (0.5 + $a * 2 / M_PI); |
|
718
|
|
|
} |
|
719
|
|
|
|
|
720
|
|
|
if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) { |
|
721
|
|
|
$dy = 1; |
|
722
|
|
|
} |
|
723
|
|
|
|
|
724
|
|
|
if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) { |
|
725
|
|
|
$dy = (1 - ($a - 3 * M_PI / 4) * 2 / M_PI); |
|
726
|
|
|
} |
|
727
|
|
|
|
|
728
|
|
|
if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) { |
|
729
|
|
|
$dy = 0; |
|
730
|
|
|
} |
|
731
|
|
|
} |
|
732
|
|
|
|
|
733
|
|
|
$value->Set($lbl); |
|
734
|
|
|
$th = $value->GetHeight($dblImg); |
|
735
|
|
|
$tw = $value->GetWidth($dblImg); |
|
736
|
|
|
$xt = round($lr * cos($a) + $x) - $dx * $tw; |
|
|
|
|
|
|
737
|
|
|
$yt = round($y - $lr * sin($a)) - $dy * $th; |
|
|
|
|
|
|
738
|
|
|
|
|
739
|
|
|
$value->Stroke($dblImg, $xt, $yt); |
|
740
|
|
|
} |
|
741
|
|
|
|
|
742
|
|
|
if (__DEBUG) { |
|
743
|
|
|
$dblImg->SetColor('red'); |
|
744
|
|
|
$dblImg->Circle($xc, $yc, $lr + $r); |
|
745
|
|
|
} |
|
746
|
|
|
|
|
747
|
|
|
// Stroke all the legs |
|
748
|
|
|
reset($this->iData); |
|
749
|
|
|
$i = 0; |
|
750
|
|
|
foreach ($this->iData as $dir => $legdata) { |
|
751
|
|
|
$legdata = array_slice($legdata, 1); |
|
752
|
|
|
$nn = safe_count($legdata); |
|
753
|
|
|
|
|
754
|
|
|
$a = $txtpos[$i][2]; |
|
755
|
|
|
$rri = $ri / $scaling; |
|
756
|
|
|
for ($j = 0; $j < $nn; ++$j) { |
|
757
|
|
|
// We want the non scaled original radius |
|
758
|
|
|
$legr = $this->scale->RelTranslate($legdata[$j], $r / $scaling, $ri / $scaling); |
|
759
|
|
|
$this->_StrokeWindLeg( |
|
760
|
|
|
$dblImg, |
|
761
|
|
|
$xc, |
|
762
|
|
|
$yc, |
|
763
|
|
|
$a, |
|
764
|
|
|
$rri * $scaling, |
|
765
|
|
|
$legr * $scaling, |
|
766
|
|
|
$this->iLegweights[$j % $nlw] * $scaling, |
|
767
|
|
|
$this->iLegColors[$j % $nlc] |
|
768
|
|
|
); |
|
769
|
|
|
$rri += $legr; |
|
770
|
|
|
} |
|
771
|
|
|
++$i; |
|
772
|
|
|
} |
|
773
|
|
|
} |
|
774
|
|
|
|
|
775
|
|
|
// Translate potential string specified compass labels to their |
|
776
|
|
|
// corresponding index. |
|
777
|
|
|
public function FixupIndexes($aDataArray, $num) |
|
778
|
|
|
{ |
|
779
|
|
|
$ret = []; |
|
780
|
|
|
$keys = array_keys($aDataArray); |
|
781
|
|
|
foreach ($aDataArray as $idx => $data) { |
|
782
|
|
|
if (is_string($idx)) { |
|
783
|
|
|
$idx = strtoupper($idx); |
|
784
|
|
|
$res = array_search($idx, $this->iAllDirectionLabels, true); |
|
785
|
|
|
if ($res === false) { |
|
786
|
|
|
Util\JpGraphError::RaiseL(22011, $idx); //('Windrose index must be numeric or direction label. You have specified index='.$idx); |
|
787
|
|
|
} |
|
788
|
|
|
$idx = $res; |
|
789
|
|
|
if ($idx % (16 / $num) !== 0) { |
|
790
|
|
|
Util\JpGraphError::RaiseL(22012); //('Windrose radial axis specification contains a direction which is not enabled.'); |
|
791
|
|
|
} |
|
792
|
|
|
$idx /= (16 / $num); |
|
793
|
|
|
|
|
794
|
|
|
if (in_array($idx, $keys, 1)) { |
|
795
|
|
|
Util\JpGraphError::RaiseL(22013, $idx); //('You have specified the look&feel for the same compass direction twice, once with text and once with index (Index='.$idx.')'); |
|
796
|
|
|
} |
|
797
|
|
|
} |
|
798
|
|
|
if ($idx < 0 || $idx > 15) { |
|
799
|
|
|
Util\JpGraphError::RaiseL(22014); //('Index for copmass direction must be between 0 and 15.'); |
|
800
|
|
|
} |
|
801
|
|
|
$ret[$idx] = $data; |
|
802
|
|
|
} |
|
803
|
|
|
|
|
804
|
|
|
return $ret; |
|
805
|
|
|
} |
|
806
|
|
|
|
|
807
|
|
|
public function _StrokeRegularRose($dblImg, $value, $scaling, $xc, $yc, $r, $ri) |
|
808
|
|
|
{ |
|
809
|
|
|
// _StrokeRegularRose($dblImg,$xc,$yc,$r,$ri) |
|
810
|
|
|
// Plot radial grid lines and remember the end position |
|
811
|
|
|
// and the angle for later use when plotting the labels |
|
812
|
|
|
switch ($this->iType) { |
|
813
|
|
|
case WINDROSE_TYPE4: |
|
814
|
|
|
$num = 4; |
|
815
|
|
|
|
|
816
|
|
|
break; |
|
817
|
|
|
case WINDROSE_TYPE8: |
|
818
|
|
|
$num = 8; |
|
819
|
|
|
|
|
820
|
|
|
break; |
|
821
|
|
|
case WINDROSE_TYPE16: |
|
822
|
|
|
$num = 16; |
|
823
|
|
|
|
|
824
|
|
|
break; |
|
825
|
|
|
default: |
|
826
|
|
|
Util\JpGraphError::RaiseL(22015); //('You have specified an undefined Windrose plot type.'); |
|
827
|
|
|
} |
|
828
|
|
|
|
|
829
|
|
|
// Check if we should auto-position the angle for the |
|
830
|
|
|
// labels. Basically we try to find a firection with smallest |
|
831
|
|
|
// (or none) data. |
|
832
|
|
|
$this->SetAutoScaleAngle(true); |
|
833
|
|
|
|
|
834
|
|
|
$nlc = safe_count($this->iLegColors); |
|
835
|
|
|
$nlw = safe_count($this->iLegweights); |
|
836
|
|
|
|
|
837
|
|
|
$this->iRadialColorArray = $this->FixupIndexes($this->iRadialColorArray, $num); |
|
|
|
|
|
|
838
|
|
|
$this->iRadialWeightArray = $this->FixupIndexes($this->iRadialWeightArray, $num); |
|
839
|
|
|
$this->iRadialStyleArray = $this->FixupIndexes($this->iRadialStyleArray, $num); |
|
840
|
|
|
|
|
841
|
|
|
$txtpos = []; |
|
842
|
|
|
$a = 2 * M_PI / $num; |
|
843
|
|
|
$dblImg->SetColor($this->iGridColor2); |
|
844
|
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle); |
|
845
|
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight); |
|
846
|
|
|
|
|
847
|
|
|
// Translate any name specified directions to the index |
|
848
|
|
|
// so we can easily use it in the loop below |
|
849
|
|
|
for ($i = 0; $i < $num; ++$i) { |
|
850
|
|
|
$xxc = round($xc + cos($a * $i) * $ri); |
|
851
|
|
|
$yyc = round($yc - sin($a * $i) * $ri); |
|
852
|
|
|
$x = round($xc + cos($a * $i) * $r); |
|
853
|
|
|
$y = round($yc - sin($a * $i) * $r); |
|
854
|
|
|
if (empty($this->iRadialColorArray[$i])) { |
|
855
|
|
|
$dblImg->SetColor($this->iGridColor2); |
|
856
|
|
|
} else { |
|
857
|
|
|
$dblImg->SetColor($this->iRadialColorArray[$i]); |
|
858
|
|
|
} |
|
859
|
|
|
if (empty($this->iRadialWeightArray[$i])) { |
|
860
|
|
|
$dblImg->SetLineWeight($this->iRadialGridWeight); |
|
861
|
|
|
} else { |
|
862
|
|
|
$dblImg->SetLineWeight($this->iRadialWeightArray[$i]); |
|
863
|
|
|
} |
|
864
|
|
|
if (empty($this->iRadialStyleArray[$i])) { |
|
865
|
|
|
$dblImg->SetLineStyle($this->iRadialGridStyle); |
|
866
|
|
|
} else { |
|
867
|
|
|
$dblImg->SetLineStyle($this->iRadialStyleArray[$i]); |
|
868
|
|
|
} |
|
869
|
|
|
|
|
870
|
|
|
$dblImg->StyleLine($xxc, $yyc, $x, $y); |
|
871
|
|
|
$txtpos[] = [$x, $y, $a * $i]; |
|
872
|
|
|
} |
|
873
|
|
|
$dblImg->SetLineWeight(1); |
|
874
|
|
|
|
|
875
|
|
|
$lr = $scaling * $this->iLabelMargin; |
|
876
|
|
|
if ($this->iLabelPositioning == LBLPOSITION_CENTER) { |
|
877
|
|
|
$value->SetAlign('center', 'center'); |
|
878
|
|
|
} else { |
|
879
|
|
|
$value->SetAlign('left', 'top'); |
|
880
|
|
|
$value->SetMargin(0); |
|
881
|
|
|
$lr /= 2; |
|
882
|
|
|
} |
|
883
|
|
|
|
|
884
|
|
|
for ($i = 0; $i < $num; ++$i) { |
|
885
|
|
|
list($x, $y, $a) = $txtpos[$i]; |
|
886
|
|
|
|
|
887
|
|
|
// Set the position of the label |
|
888
|
|
|
if ($this->iLabelPositioning == LBLPOSITION_CENTER) { |
|
889
|
|
|
$dx = $dy = 0; |
|
890
|
|
|
} else { |
|
891
|
|
|
// LBLPOSIITON_EDGE |
|
892
|
|
|
if ($a >= 7 * M_PI / 4 || $a <= M_PI / 4) { |
|
893
|
|
|
$dx = 0; |
|
894
|
|
|
} |
|
895
|
|
|
|
|
896
|
|
|
if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) { |
|
897
|
|
|
$dx = ($a - M_PI / 4) * 2 / M_PI; |
|
898
|
|
|
} |
|
899
|
|
|
|
|
900
|
|
|
if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) { |
|
901
|
|
|
$dx = 1; |
|
902
|
|
|
} |
|
903
|
|
|
|
|
904
|
|
|
if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) { |
|
905
|
|
|
$dx = (1 - ($a - M_PI * 5 / 4) * 2 / M_PI); |
|
906
|
|
|
} |
|
907
|
|
|
|
|
908
|
|
|
if ($a >= 7 * M_PI / 4) { |
|
909
|
|
|
$dy = (($a - M_PI) - 3 * M_PI / 4) * 2 / M_PI; |
|
910
|
|
|
} |
|
911
|
|
|
|
|
912
|
|
|
if ($a <= M_PI / 4) { |
|
913
|
|
|
$dy = (0.5 + $a * 2 / M_PI); |
|
914
|
|
|
} |
|
915
|
|
|
|
|
916
|
|
|
if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) { |
|
917
|
|
|
$dy = 1; |
|
918
|
|
|
} |
|
919
|
|
|
|
|
920
|
|
|
if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) { |
|
921
|
|
|
$dy = (1 - ($a - 3 * M_PI / 4) * 2 / M_PI); |
|
922
|
|
|
} |
|
923
|
|
|
|
|
924
|
|
|
if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) { |
|
925
|
|
|
$dy = 0; |
|
926
|
|
|
} |
|
927
|
|
|
} |
|
928
|
|
|
|
|
929
|
|
|
$value->Set($this->iAllDirectionLabels[$i * (16 / $num)]); |
|
930
|
|
|
$th = $value->GetHeight($dblImg); |
|
931
|
|
|
$tw = $value->GetWidth($dblImg); |
|
932
|
|
|
$xt = round($lr * cos($a) + $x) - $dx * $tw; |
|
|
|
|
|
|
933
|
|
|
$yt = round($y - $lr * sin($a)) - $dy * $th; |
|
|
|
|
|
|
934
|
|
|
|
|
935
|
|
|
$value->Stroke($dblImg, $xt, $yt); |
|
936
|
|
|
} |
|
937
|
|
|
|
|
938
|
|
|
if (__DEBUG) { |
|
939
|
|
|
$dblImg->SetColor('red'); |
|
940
|
|
|
$dblImg->Circle($xc, $yc, $lr + $r); |
|
941
|
|
|
} |
|
942
|
|
|
|
|
943
|
|
|
// Stroke all the legs |
|
944
|
|
|
reset($this->iData); |
|
945
|
|
|
$keys = array_keys($this->iData); |
|
946
|
|
|
foreach ($this->iData as $idx => $legdata) { |
|
947
|
|
|
$legdata = array_slice($legdata, 1); |
|
948
|
|
|
$nn = safe_count($legdata); |
|
949
|
|
|
if (is_string($idx)) { |
|
950
|
|
|
$idx = strtoupper($idx); |
|
951
|
|
|
$idx = array_search($idx, $this->iAllDirectionLabels, true); |
|
952
|
|
|
if ($idx === false) { |
|
953
|
|
|
Util\JpGraphError::RaiseL(22016); //('Windrose leg index must be numeric or direction label.'); |
|
954
|
|
|
} |
|
955
|
|
|
if ($idx % (16 / $num) !== 0) { |
|
956
|
|
|
Util\JpGraphError::RaiseL(22017); //('Windrose data contains a direction which is not enabled. Please adjust what labels are displayed.'); |
|
957
|
|
|
} |
|
958
|
|
|
$idx /= (16 / $num); |
|
959
|
|
|
|
|
960
|
|
|
if (in_array($idx, $keys, 1)) { |
|
961
|
|
|
Util\JpGraphError::RaiseL(22018, $idx); //('You have specified data for the same compass direction twice, once with text and once with index (Index='.$idx.')'); |
|
962
|
|
|
} |
|
963
|
|
|
} |
|
964
|
|
|
if ($idx < 0 || $idx > 15) { |
|
965
|
|
|
Util\JpGraphError::RaiseL(22019); //('Index for direction must be between 0 and 15. You can\'t specify angles for a Regular Windplot, only index and compass directions.'); |
|
966
|
|
|
} |
|
967
|
|
|
$a = $idx * (360 / $num); |
|
968
|
|
|
$a *= M_PI / 180.0; |
|
969
|
|
|
$rri = $ri / $scaling; |
|
970
|
|
|
for ($j = 0; $j < $nn; ++$j) { |
|
971
|
|
|
// We want the non scaled original radius |
|
972
|
|
|
$legr = $this->scale->RelTranslate($legdata[$j], $r / $scaling, $ri / $scaling); |
|
973
|
|
|
$this->_StrokeWindLeg( |
|
974
|
|
|
$dblImg, |
|
975
|
|
|
$xc, |
|
976
|
|
|
$yc, |
|
977
|
|
|
$a, |
|
978
|
|
|
$rri * $scaling, |
|
979
|
|
|
$legr * $scaling, |
|
980
|
|
|
$this->iLegweights[$j % $nlw] * $scaling, |
|
981
|
|
|
$this->iLegColors[$j % $nlc] |
|
982
|
|
|
); |
|
983
|
|
|
$rri += $legr; |
|
984
|
|
|
} |
|
985
|
|
|
} |
|
986
|
|
|
} |
|
987
|
|
|
|
|
988
|
|
|
public function getWidth($aImg) |
|
989
|
|
|
{ |
|
990
|
|
|
$scaling = 1; //$this->iAntiAlias ? 2 : 1 ; |
|
991
|
|
|
if ($this->iSize > 0 && $this->iSize < 1) { |
|
992
|
|
|
$this->iSize *= min($aImg->width, $aImg->height); |
|
993
|
|
|
} |
|
994
|
|
|
|
|
995
|
|
|
$value = new Text\Text(); |
|
996
|
|
|
$value->SetFont($this->iFontFamily, $this->iFontStyle, $this->iFontSize * $scaling); |
|
997
|
|
|
$value->SetColor($this->iFontColor); |
|
998
|
|
|
// Setup extra size around the graph needed so that the labels |
|
999
|
|
|
// doesn't get cut. For this we need to find the largest label. |
|
1000
|
|
|
// The code below gives a possible a little to large margin. The |
|
1001
|
|
|
// really, really proper way would be to account for what angle |
|
1002
|
|
|
// the label are at |
|
1003
|
|
|
$n = safe_count($this->iLabels); |
|
1004
|
|
|
if ($n > 0) { |
|
1005
|
|
|
$maxh = 0; |
|
|
|
|
|
|
1006
|
|
|
$maxw = 0; |
|
1007
|
|
|
foreach ($this->iLabels as $key => $lbl) { |
|
1008
|
|
|
$value->Set($lbl); |
|
1009
|
|
|
$maxw = max($maxw, $value->GetWidth($aImg)); |
|
1010
|
|
|
} |
|
1011
|
|
|
} else { |
|
1012
|
|
|
$value->Set('888.888'); // Dummy value to get width/height |
|
1013
|
|
|
$maxw = $value->GetWidth($aImg); |
|
1014
|
|
|
} |
|
1015
|
|
|
// Add an extra margin of 50% the font size |
|
1016
|
|
|
$maxw += round($this->iFontSize * $scaling * 0.4); |
|
1017
|
|
|
|
|
1018
|
|
|
$valxmarg = 1.5 * $maxw + 2 * $this->iLabelMargin * $scaling; |
|
1019
|
|
|
$w = round($this->iSize * $scaling + $valxmarg); |
|
1020
|
|
|
|
|
1021
|
|
|
// Make sure that the width of the legend fits |
|
1022
|
|
|
$legendwidth = $this->_StrokeLegend($aImg, 0, 0, $scaling, true) + 10 * $scaling; |
|
1023
|
|
|
$w = max($w, $legendwidth); |
|
1024
|
|
|
|
|
1025
|
|
|
return $w; |
|
1026
|
|
|
} |
|
1027
|
|
|
|
|
1028
|
|
|
public function getHeight($aImg) |
|
1029
|
|
|
{ |
|
1030
|
|
|
$scaling = 1; //$this->iAntiAlias ? 2 : 1 ; |
|
1031
|
|
|
if ($this->iSize > 0 && $this->iSize < 1) { |
|
1032
|
|
|
$this->iSize *= min($aImg->width, $aImg->height); |
|
1033
|
|
|
} |
|
1034
|
|
|
|
|
1035
|
|
|
$value = new Text\Text(); |
|
1036
|
|
|
$value->SetFont($this->iFontFamily, $this->iFontStyle, $this->iFontSize * $scaling); |
|
1037
|
|
|
$value->SetColor($this->iFontColor); |
|
1038
|
|
|
// Setup extra size around the graph needed so that the labels |
|
1039
|
|
|
// doesn't get cut. For this we need to find the largest label. |
|
1040
|
|
|
// The code below gives a possible a little to large margin. The |
|
1041
|
|
|
// really, really proper way would be to account for what angle |
|
1042
|
|
|
// the label are at |
|
1043
|
|
|
$n = safe_count($this->iLabels); |
|
1044
|
|
|
if ($n > 0) { |
|
1045
|
|
|
$maxh = 0; |
|
1046
|
|
|
$maxw = 0; |
|
|
|
|
|
|
1047
|
|
|
foreach ($this->iLabels as $key => $lbl) { |
|
1048
|
|
|
$value->Set($lbl); |
|
1049
|
|
|
$maxh = max($maxh, $value->GetHeight($aImg)); |
|
1050
|
|
|
} |
|
1051
|
|
|
} else { |
|
1052
|
|
|
$value->Set('180.8'); // Dummy value to get width/height |
|
1053
|
|
|
$maxh = $value->GetHeight($aImg); |
|
1054
|
|
|
} |
|
1055
|
|
|
// Add an extra margin of 50% the font size |
|
1056
|
|
|
//$maxh += round($this->iFontSize*$scaling * 0.5) ; |
|
1057
|
|
|
$valymarg = 2 * $maxh + 2 * $this->iLabelMargin * $scaling; |
|
1058
|
|
|
|
|
1059
|
|
|
$legendheight = round($this->legend->iShow ? 1 : 0); |
|
1060
|
|
|
$legendheight *= max($this->legend->iCircleRadius * 2, $this->legend->iTxtFontSize * 2) + |
|
1061
|
|
|
$this->legend->iMargin + $this->legend->iBottomMargin + 2; |
|
1062
|
|
|
$legendheight *= $scaling; |
|
1063
|
|
|
$h = round($this->iSize * $scaling + $valymarg) + $legendheight; |
|
1064
|
|
|
|
|
1065
|
|
|
return $h; |
|
1066
|
|
|
} |
|
1067
|
|
|
|
|
1068
|
|
|
public function Stroke($aGraph) |
|
1069
|
|
|
{ |
|
1070
|
|
|
$aImg = $aGraph->img; |
|
1071
|
|
|
|
|
1072
|
|
|
if ($this->iX > 0 && $this->iX < 1) { |
|
1073
|
|
|
$this->iX = round($aImg->width * $this->iX); |
|
1074
|
|
|
} |
|
1075
|
|
|
|
|
1076
|
|
|
if ($this->iY > 0 && $this->iY < 1) { |
|
1077
|
|
|
$this->iY = round($aImg->height * $this->iY); |
|
1078
|
|
|
} |
|
1079
|
|
|
|
|
1080
|
|
|
if ($this->iSize > 0 && $this->iSize < 1) { |
|
1081
|
|
|
$this->iSize *= min($aImg->width, $aImg->height); |
|
1082
|
|
|
} |
|
1083
|
|
|
|
|
1084
|
|
|
if ($this->iCenterSize > 0 && $this->iCenterSize < 1) { |
|
1085
|
|
|
$this->iCenterSize *= $this->iSize; |
|
1086
|
|
|
} |
|
1087
|
|
|
|
|
1088
|
|
|
$this->scale->AutoScale(($this->iSize - $this->iCenterSize) / 2, round(2.5 * $this->scale->iFontSize)); |
|
1089
|
|
|
|
|
1090
|
|
|
$scaling = $this->iAntiAlias ? 2 : 1; |
|
1091
|
|
|
|
|
1092
|
|
|
$value = new Text\Text(); |
|
1093
|
|
|
$value->SetFont($this->iFontFamily, $this->iFontStyle, $this->iFontSize * $scaling); |
|
1094
|
|
|
$value->SetColor($this->iFontColor); |
|
1095
|
|
|
|
|
1096
|
|
|
$legendheight = round($this->legend->iShow ? 1 : 0); |
|
1097
|
|
|
$legendheight *= max($this->legend->iCircleRadius * 2, $this->legend->iTxtFontSize * 2) + |
|
1098
|
|
|
$this->legend->iMargin + $this->legend->iBottomMargin + 2; |
|
1099
|
|
|
$legendheight *= $scaling; |
|
1100
|
|
|
|
|
1101
|
|
|
$w = $scaling * $this->getWidth($aImg); |
|
1102
|
|
|
$h = $scaling * $this->getHeight($aImg); |
|
1103
|
|
|
|
|
1104
|
|
|
// Copy back the double buffered image to the proper canvas |
|
1105
|
|
|
$ww = $w / $scaling; |
|
1106
|
|
|
$hh = $h / $scaling; |
|
1107
|
|
|
|
|
1108
|
|
|
// Create the double buffer |
|
1109
|
|
|
if ($this->iAntiAlias) { |
|
1110
|
|
|
$dblImg = new Image\RotImage($w, $h); |
|
1111
|
|
|
// Set the background color |
|
1112
|
|
|
$dblImg->SetColor($this->iColor); |
|
1113
|
|
|
$dblImg->FilledRectangle(0, 0, $w, $h); |
|
1114
|
|
|
} else { |
|
1115
|
|
|
$dblImg = $aImg; |
|
1116
|
|
|
// Make sure the ix and it coordinates correpond to the new top left center |
|
1117
|
|
|
$dblImg->SetTranslation($this->iX - $w / 2, $this->iY - $h / 2); |
|
1118
|
|
|
} |
|
1119
|
|
|
|
|
1120
|
|
|
if (__DEBUG) { |
|
1121
|
|
|
$dblImg->SetColor('red'); |
|
1122
|
|
|
$dblImg->Rectangle(0, 0, $w - 1, $h - 1); |
|
1123
|
|
|
} |
|
1124
|
|
|
|
|
1125
|
|
|
$dblImg->SetColor('black'); |
|
1126
|
|
|
|
|
1127
|
|
|
if ($this->iShowBox) { |
|
1128
|
|
|
$dblImg->SetColor($this->iBoxColor); |
|
1129
|
|
|
$old = $dblImg->SetLineWeight($this->iBoxWeight); |
|
1130
|
|
|
$dblImg->SetLineStyle($this->iBoxStyle); |
|
1131
|
|
|
$dblImg->Rectangle(0, 0, $w - 1, $h - 1); |
|
1132
|
|
|
$dblImg->SetLineWeight($old); |
|
1133
|
|
|
} |
|
1134
|
|
|
|
|
1135
|
|
|
$xc = round($w / 2); |
|
1136
|
|
|
$yc = round(($h - $legendheight) / 2); |
|
1137
|
|
|
|
|
1138
|
|
|
if (__DEBUG) { |
|
1139
|
|
|
$dblImg->SetColor('red'); |
|
1140
|
|
|
$old = $dblImg->SetLineWeight(2); |
|
1141
|
|
|
$dblImg->Line($xc - 5, $yc - 5, $xc + 5, $yc + 5); |
|
1142
|
|
|
$dblImg->Line($xc + 5, $yc - 5, $xc - 5, $yc + 5); |
|
1143
|
|
|
$dblImg->SetLineWeight($old); |
|
1144
|
|
|
} |
|
1145
|
|
|
|
|
1146
|
|
|
$this->iSize *= $scaling; |
|
1147
|
|
|
|
|
1148
|
|
|
// Inner circle size |
|
1149
|
|
|
$ri = $this->iCenterSize / 2; |
|
1150
|
|
|
|
|
1151
|
|
|
// Full circle radius |
|
1152
|
|
|
$r = round($this->iSize / 2); |
|
1153
|
|
|
|
|
1154
|
|
|
// Get number of grid circles |
|
1155
|
|
|
$n = $this->scale->GetNumCirc(); |
|
1156
|
|
|
|
|
1157
|
|
|
// Plot circle grids |
|
1158
|
|
|
$ri *= $scaling; |
|
1159
|
|
|
$rr = round(($r - $ri) / $n); |
|
1160
|
|
|
for ($i = 1; $i <= $n; ++$i) { |
|
1161
|
|
|
$this->_ThickCircle( |
|
1162
|
|
|
$dblImg, |
|
1163
|
|
|
$xc, |
|
1164
|
|
|
$yc, |
|
1165
|
|
|
$rr * $i + $ri, |
|
1166
|
|
|
$this->iCircGridWeight, |
|
1167
|
|
|
$this->iGridColor1 |
|
1168
|
|
|
); |
|
1169
|
|
|
} |
|
1170
|
|
|
|
|
1171
|
|
|
$num = 0; |
|
|
|
|
|
|
1172
|
|
|
|
|
1173
|
|
|
if ($this->iType == WINDROSE_TYPEFREE) { |
|
1174
|
|
|
$this->_StrokeFreeRose($dblImg, $value, $scaling, $xc, $yc, $r, $ri); |
|
1175
|
|
|
} else { |
|
1176
|
|
|
// Check if we need to re-code the interpretation of the ordinal |
|
1177
|
|
|
// number in the data. Internally ordinal value 0 is East and then |
|
1178
|
|
|
// counted anti-clockwise. The user might choose an encoding |
|
1179
|
|
|
// that have 0 being the first axis to the right of the "N" axis and then |
|
1180
|
|
|
// counted clock-wise |
|
1181
|
|
|
if ($this->iOrdinalEncoding == KEYENCODING_CLOCKWISE) { |
|
1182
|
|
|
if ($this->iType == WINDROSE_TYPE16) { |
|
1183
|
|
|
$const1 = 19; |
|
1184
|
|
|
$const2 = 16; |
|
1185
|
|
|
} elseif ($this->iType == WINDROSE_TYPE8) { |
|
1186
|
|
|
$const1 = 9; |
|
1187
|
|
|
$const2 = 8; |
|
1188
|
|
|
} else { |
|
1189
|
|
|
$const1 = 4; |
|
1190
|
|
|
$const2 = 4; |
|
1191
|
|
|
} |
|
1192
|
|
|
$tmp = []; |
|
1193
|
|
|
$n = safe_count($this->iData); |
|
|
|
|
|
|
1194
|
|
|
foreach ($this->iData as $key => $val) { |
|
1195
|
|
|
if (is_numeric($key)) { |
|
1196
|
|
|
$key = ($const1 - $key) % $const2; |
|
1197
|
|
|
} |
|
1198
|
|
|
$tmp[$key] = $val; |
|
1199
|
|
|
} |
|
1200
|
|
|
$this->iData = $tmp; |
|
1201
|
|
|
} |
|
1202
|
|
|
$this->_StrokeRegularRose($dblImg, $value, $scaling, $xc, $yc, $r, $ri); |
|
1203
|
|
|
} |
|
1204
|
|
|
|
|
1205
|
|
|
// Stroke the labels |
|
1206
|
|
|
$this->scale->iFontSize *= $scaling; |
|
1207
|
|
|
$this->scale->iZFontSize *= $scaling; |
|
1208
|
|
|
$this->scale->StrokeLabels($dblImg, $xc, $yc, $ri, $rr); |
|
1209
|
|
|
|
|
1210
|
|
|
// Stroke the inner circle again since the legs |
|
1211
|
|
|
// might have written over it |
|
1212
|
|
|
$this->_ThickCircle($dblImg, $xc, $yc, $ri, $this->iCircGridWeight, $this->iGridColor1); |
|
1213
|
|
|
|
|
1214
|
|
|
if ($ww > $aImg->width) { |
|
1215
|
|
|
Util\JpGraphError::RaiseL(22020); |
|
1216
|
|
|
//('Windrose plot is too large to fit the specified Graph size. Please use WindrosePlot::SetSize() to make the plot smaller or increase the size of the Graph in the initial WindroseGraph() call.'); |
|
1217
|
|
|
} |
|
1218
|
|
|
|
|
1219
|
|
|
$x = $xc; |
|
1220
|
|
|
$y = $h; |
|
1221
|
|
|
$this->_StrokeLegend($dblImg, $x, $y, $scaling); |
|
1222
|
|
|
|
|
1223
|
|
|
if ($this->iAntiAlias) { |
|
1224
|
|
|
$aImg->Copy($dblImg->img, $this->iX - $ww / 2, $this->iY - $hh / 2, 0, 0, $ww, $hh, $w, $h); |
|
1225
|
|
|
} |
|
1226
|
|
|
|
|
1227
|
|
|
// We need to restore the translation matrix |
|
1228
|
|
|
$aImg->SetTranslation(0, 0); |
|
1229
|
|
|
} |
|
1230
|
|
|
} |
|
1231
|
|
|
|
XoopsModules25x /
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