1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | <?php /*======================================================================= // File: JPGRAPH_ERROR.PHP // Description: Error plot extension for JpGraph // Created: 2001-01-08 // Ver: $Id: jpgraph_error.php 1106 2009-02-22 20:16:35Z ljp $ // // Copyright (c) Aditus Consulting. All rights reserved. //======================================================================== */ //=================================================== // CLASS ErrorPlot // Description: Error plot with min/max value for // each datapoint //=================================================== class ErrorPlot extends Plot { private $errwidth=2; //--------------- // CONSTRUCTOR function __construct($datay,$datax=false) { parent::__construct($datay,$datax); $this->numpoints /= 2; } //--------------- // PUBLIC METHODS // Gets called before any axis are stroked function PreStrokeAdjust($graph) { if( $this->center ) { $a=0.5; $b=0.5; ++$this->numpoints; } else { $a=0; $b=0; } $graph->xaxis->scale->ticks->SetXLabelOffset($a); $graph->SetTextScaleOff($b); //$graph->xaxis->scale->ticks->SupressMinorTickMarks(); } // Method description function Stroke($img,$xscale,$yscale) { $numpoints=count($this->coords[0])/2; $img->SetColor($this->color); $img->SetLineWeight($this->weight); if( isset($this->coords[1]) ) { if( count($this->coords[1])!=$numpoints ) JpGraphError::RaiseL(2003,count($this->coords[1]),$numpoints); //("Number of X and Y points are not equal. Number of X-points:".count($this->coords[1])." Number of Y-points:$numpoints"); else $exist_x = true; } else $exist_x = false; for( $i=0; $i<$numpoints; ++$i) { if( $exist_x ) $x=$this->coords[1][$i]; else $x=$i; if( !is_numeric($x) || !is_numeric($this->coords[0][$i*2]) || !is_numeric($this->coords[0][$i*2+1]) ) { continue; } $xt = $xscale->Translate($x); $yt1 = $yscale->Translate($this->coords[0][$i*2]); $yt2 = $yscale->Translate($this->coords[0][$i*2+1]); $img->Line($xt,$yt1,$xt,$yt2); $img->Line($xt-$this->errwidth,$yt1,$xt+$this->errwidth,$yt1); $img->Line($xt-$this->errwidth,$yt2,$xt+$this->errwidth,$yt2); } return true; } } // Class //=================================================== // CLASS ErrorLinePlot // Description: Combine a line and error plot // THIS IS A DEPRECATED PLOT TYPE JUST KEPT FOR // BACKWARD COMPATIBILITY //=================================================== class ErrorLinePlot extends ErrorPlot { public $line=null; //--------------- // CONSTRUCTOR function __construct($datay,$datax=false) { parent::__construct($datay,$datax); // Calculate line coordinates as the average of the error limits $n = count($datay); for($i=0; $i < $n; $i+=2 ) { $ly[]=($datay[$i]+$datay[$i+1])/2; } $this->line=new LinePlot($ly,$datax); } //--------------- // PUBLIC METHODS function Legend($graph) { if( $this->legend != "" ) $graph->legend->Add($this->legend,$this->color); $this->line->Legend($graph); } function Stroke($img,$xscale,$yscale) { parent::Stroke($img,$xscale,$yscale); $this->line->Stroke($img,$xscale,$yscale); } } // Class //=================================================== // CLASS LineErrorPlot // Description: Combine a line and error plot //=================================================== class LineErrorPlot extends ErrorPlot { public $line=null; //--------------- // CONSTRUCTOR // Data is (val, errdeltamin, errdeltamax) function __construct($datay,$datax=false) { $ly=array(); $ey=array(); $n = count($datay); if( $n % 3 != 0 ) { JpGraphError::RaiseL(4002); //('Error in input data to LineErrorPlot. Number of data points must be a multiple of 3'); } for($i=0; $i < $n; $i+=3 ) { $ly[]=$datay[$i]; $ey[]=$datay[$i]+$datay[$i+1]; $ey[]=$datay[$i]+$datay[$i+2]; } parent::__construct($ey,$datax); $this->line=new LinePlot($ly,$datax); } //--------------- // PUBLIC METHODS function Legend($graph) { if( $this->legend != "" ) $graph->legend->Add($this->legend,$this->color); $this->line->Legend($graph); } function Stroke($img,$xscale,$yscale) { parent::Stroke($img,$xscale,$yscale); $this->line->Stroke($img,$xscale,$yscale); } } // Class /* EOF */ ?> |