| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  * JPGraph v4.1.0-beta.01 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | namespace Amenadiel\JpGraph\Plot; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Amenadiel\JpGraph\Util; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use function is_array; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use function is_numeric; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use function max; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use function min; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use function substr; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  * @class Plot | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  * // Description: Abstract base class for all concrete plot classes | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | class Plot | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     public $numpoints = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     public $value; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     public $legend         = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     public $coords         = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     public $color          = 'black'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     public $hidelegend     = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     public $line_weight    = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     public $csimtargets    = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     public $csimwintargets = []; // Array of targets for CSIM | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     public $csimareas      = ''; // Resultant CSIM area tags | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     public $csimalts; // ALT:s for corresponding target | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     public $legendcsimtarget    = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     public $legendcsimwintarget = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     public $legendcsimalt       = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     protected $weight           = 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     protected $center           = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     protected $inputValues; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     protected $isRunningClear = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     public function __construct($aDatay, $aDatax = false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         // Bootstrap configs repository if it hasn't bootstrapped already | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         Util\Helper::bootstrapLibrary(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |         $this->numpoints = Configs::safe_count($aDatay); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |         if ($this->numpoints == 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |             Util\JpGraphError::RaiseL(25121); //("Empty input data array specified for plot. Must have at least one data point."); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |         if (!$this->isRunningClear) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |             $this->inputValues           = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             $this->inputValues['aDatay'] = $aDatay; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |             $this->inputValues['aDatax'] = $aDatax; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         $this->coords[0] = $aDatay; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         if (is_array($aDatax)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             $this->coords[1] = $aDatax; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |             $n               = Configs::safe_count($aDatax); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |             for ($i = 0; $i < $n; ++$i) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |                 if (is_numeric($aDatax[$i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |                     continue; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                 Util\JpGraphError::RaiseL(25070); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         $this->value = new DisplayValue(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     // Stroke the plot | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     // "virtual" function which must be implemented by | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     // the subclasses | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     public function Stroke($aImg, $aXScale, $aYScale) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                            
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                | 76 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         Util\JpGraphError::RaiseL(25122); //("JpGraph: Stroke() must be implemented by concrete subclass to class Plot"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     public function HideLegend($f = true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         $this->hidelegend = $f; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     public function DoLegend($graph) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         if ($this->hidelegend) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         $this->Legend($graph); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |     public function StrokeDataValue($img, $aVal, $x, $y) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |         $this->value->Stroke($img, $aVal, $x, $y); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     public function getScale() { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         return $this->scale; | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     }    // Set href targets for CSIM | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |     public function SetCSIMTargets($aTargets, $aAlts = '', $aWinTargets = '') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |         $this->csimtargets    = $aTargets; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         $this->csimwintargets = $aWinTargets; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         $this->csimalts       = $aAlts; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     // Get all created areas | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     public function GetCSIMareas() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |         return $this->csimareas; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |     // "Virtual" function which gets called before any scale | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 115 |  |  |     // or axis are stroked used to do any plot specific adjustment | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  |     public function PreStrokeAdjust($aGraph) | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |         if (substr($aGraph->axtype, 0, 4) == 'text' && (isset($this->coords[1]))) { | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |             Util\JpGraphError::RaiseL(25123); //("JpGraph: You can't use a text X-scale with specified X-coords. Use a \"int\" or \"lin\" scale instead."); | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |     // Virtual function to the the concrete plot class to make any changes to the graph | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |     // and scale before the stroke process begins | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |     public function PreScaleSetup($aGraph) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |         // Empty | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     // Get minimum values in plot | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  |     public function Min() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |         if (isset($this->coords[1])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |             $x = $this->coords[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |             $x = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |         if ($x != '' && Configs::safe_count($x) > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |             $xm = min($x); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |             $xm = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |         $y   = $this->coords[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |         $cnt = Configs::safe_count($y); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |         if ($cnt > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |             $i = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |             while ($i < $cnt && !is_numeric($ym = $y[$i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |                 ++$i; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |             while ($i < $cnt) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |                 if (is_numeric($y[$i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |                     $ym = min($ym, $y[$i]); | 
                            
                    |  |  |  | 
                                                                                        
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                | 155 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |                 ++$i; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |             $ym = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |         return [$xm, $ym]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  |     // Get maximum value in plot | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  |     public function Max() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  |         if (isset($this->coords[1])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  |             $x = $this->coords[1]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  |             $x = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  |         if ($x != '' && Configs::safe_count($x) > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  |             $xm = max($x); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |             $xm = $this->numpoints - 1; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  |         $y = $this->coords[0]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  |         if (Configs::safe_count($y) > 0) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  |             $cnt = Configs::safe_count($y); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  |             $i   = 0; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  |             while ($i < $cnt && !is_numeric($ym = $y[$i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |                 ++$i; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  |             while ($i < $cnt) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  |                 if (is_numeric($y[$i])) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  |                     $ym = max($ym, $y[$i]); | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  |                 ++$i; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  |         } else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  |             $ym = ''; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 195 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 196 |  |  |         return [$xm, $ym]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 197 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 199 |  |  |     public function SetColor($aColor) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 200 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 201 |  |  |         $this->color = $aColor; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 202 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 203 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 204 |  |  |     public function SetLegend($aLegend, $aCSIM = '', $aCSIMAlt = '', $aCSIMWinTarget = '') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 205 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 206 |  |  |         $this->legend              = $aLegend; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 207 |  |  |         $this->legendcsimtarget    = $aCSIM; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 208 |  |  |         $this->legendcsimwintarget = $aCSIMWinTarget; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 209 |  |  |         $this->legendcsimalt       = $aCSIMAlt; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 210 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 211 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 212 |  |  |     public function SetWeight($aWeight) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 213 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 214 |  |  |         $this->weight = $aWeight; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 215 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 217 |  |  |     public function SetLineWeight($aWeight = 1) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 218 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 219 |  |  |         $this->line_weight = $aWeight; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 220 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 221 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 222 |  |  |     public function SetCenter($aCenter = true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 223 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 224 |  |  |         $this->center = $aCenter; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 225 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |     // This method gets called by Graph class to plot anything that should go | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  |     // into the margin after the margin color has been set. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  |     public function StrokeMargin($aImg) | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |     // Framework function the chance for each plot class to set a legend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  |     public function Legend($aGraph) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  |         if ($this->legend == '') { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  |             return; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |         $aGraph->legend->Add($this->legend, $this->color, '', 0, $this->legendcsimtarget, $this->legendcsimalt, $this->legendcsimwintarget); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  |     public function Clear() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  |         $this->isRunningClear = true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  |         $this->__construct($this->inputValues['aDatay'], $this->inputValues['aDatax']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |         $this->isRunningClear = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 251 |  |  | // @class | 
            
                                                        
            
                                    
            
            
                | 252 |  |  |  | 
            
                        
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.