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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 | <?php /* pBubble - class to draw bubble charts Version : 2.1.0 Made by : Jean-Damien POGOLOTTI Last Update : 26/01/11 This file can be distributed under the license you can find at : http://www.pchart.net/license You can find the whole class documentation on the pChart web site. */ /* pBubble class definition */ class pBubble { var $pChartObject; var $pDataObject; /* Class creator */ function pBubble($pChartObject,$pDataObject) { $this->pChartObject = $pChartObject; $this->pDataObject = $pDataObject; } /* Prepare the scale */ function bubbleScale($DataSeries,$WeightSeries) { if ( !is_array($DataSeries) ) { $DataSeries = array($DataSeries); } if ( !is_array($WeightSeries) ) { $WeightSeries = array($WeightSeries); } /* Parse each data series to find the new min & max boundaries to scale */ $NewPositiveSerie = ""; $NewNegativeSerie = ""; $MaxValues = 0; $LastPositive = 0; $LastNegative = 0; foreach($DataSeries as $Key => $SerieName) { $SerieWeightName = $WeightSeries[$Key]; $this->pDataObject->setSerieDrawable($SerieWeightName,FALSE); if ( count($this->pDataObject->Data["Series"][$SerieName]["Data"]) > $MaxValues ) { $MaxValues = count($this->pDataObject->Data["Series"][$SerieName]["Data"]); } foreach($this->pDataObject->Data["Series"][$SerieName]["Data"] as $Key => $Value) { if ( $Value >= 0 ) { $BubbleBounds = $Value + $this->pDataObject->Data["Series"][$SerieWeightName]["Data"][$Key]; if ( !isset($NewPositiveSerie[$Key]) ) { $NewPositiveSerie[$Key] = $BubbleBounds; } elseif ( $NewPositiveSerie[$Key] < $BubbleBounds ) { $NewPositiveSerie[$Key] = $BubbleBounds; } $LastPositive = $BubbleBounds; } else { $BubbleBounds = $Value - $this->pDataObject->Data["Series"][$SerieWeightName]["Data"][$Key]; if ( !isset($NewNegativeSerie[$Key]) ) { $NewNegativeSerie[$Key] = $BubbleBounds; } elseif ( $NewNegativeSerie[$Key] > $BubbleBounds ) { $NewNegativeSerie[$Key] = $BubbleBounds; } $LastNegative = $BubbleBounds; } } } /* Check for missing values and all the fake positive serie */ if ( $NewPositiveSerie != "" ) { for ($i=0; $i<$MaxValues; $i++) { if (!isset($NewPositiveSerie[$i])) { $NewPositiveSerie[$i] = $LastPositive; } } $this->pDataObject->addPoints($NewPositiveSerie,"BubbleFakePositiveSerie"); } /* Check for missing values and all the fake negative serie */ if ( $NewNegativeSerie != "" ) { for ($i=0; $i<$MaxValues; $i++) { if (!isset($NewNegativeSerie[$i])) { $NewNegativeSerie[$i] = $LastNegative; } } $this->pDataObject->addPoints($NewNegativeSerie,"BubbleFakeNegativeSerie"); } } function resetSeriesColors() { $Data = $this->pDataObject->getData(); $Palette = $this->pDataObject->getPalette(); $ID = 0; foreach($Data["Series"] as $SerieName => $SeriesParameters) { if ( $SeriesParameters["isDrawable"] ) { $this->pDataObject->Data["Series"][$SerieName]["Color"]["R"] = $Palette[$ID]["R"]; $this->pDataObject->Data["Series"][$SerieName]["Color"]["G"] = $Palette[$ID]["G"]; $this->pDataObject->Data["Series"][$SerieName]["Color"]["B"] = $Palette[$ID]["B"]; $this->pDataObject->Data["Series"][$SerieName]["Color"]["Alpha"] = $Palette[$ID]["Alpha"]; $ID++; } } } /* Prepare the scale */ function drawBubbleChart($DataSeries,$WeightSeries,$Format="") { $DrawBorder = isset($Format["DrawBorder"]) ? $Format["DrawBorder"] : TRUE; $DrawSquare = isset($Format["DrawSquare"]) ? $Format["DrawSquare"] : FALSE; $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : 0; $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : 0; $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : 0; $BorderAlpha = isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : 30; if ( !is_array($DataSeries) ) { $DataSeries = array($DataSeries); } if ( !is_array($WeightSeries) ) { $WeightSeries = array($WeightSeries); } $Data = $this->pDataObject->getData(); $Palette = $this->pDataObject->getPalette(); if ( isset($Data["Series"]["BubbleFakePositiveSerie"] ) ) { $this->pDataObject->setSerieDrawable("BubbleFakePositiveSerie",FALSE); } if ( isset($Data["Series"]["BubbleFakeNegativeSerie"] ) ) { $this->pDataObject->setSerieDrawable("BubbleFakeNegativeSerie",FALSE); } $this->resetSeriesColors(); list($XMargin,$XDivs) = $this->pChartObject->scaleGetXSettings(); foreach($DataSeries as $Key => $SerieName) { $AxisID = $Data["Series"][$SerieName]["Axis"]; $Mode = $Data["Axis"][$AxisID]["Display"]; $Format = $Data["Axis"][$AxisID]["Format"]; $Unit = $Data["Axis"][$AxisID]["Unit"]; $XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs; $X = $this->pChartObject->GraphAreaX1 + $XMargin; $Y = $this->pChartObject->GraphAreaY1 + $XMargin; $Color = array("R"=>$Palette[$Key]["R"],"G"=>$Palette[$Key]["G"],"B"=>$Palette[$Key]["B"],"Alpha"=>$Palette[$Key]["Alpha"]); if ( $DrawBorder ) { $Color["BorderAlpha"] = $BorderAlpha; if ( $Surrounding != NULL ) { $Color["BorderR"] = $Palette[$Key]["R"]+$Surrounding; $Color["BorderG"] = $Palette[$Key]["G"]+$Surrounding; $Color["BorderB"] = $Palette[$Key]["B"]+$Surrounding; } else { $Color["BorderR"] = $BorderR; $Color["BorderG"] = $BorderG; $Color["BorderB"] = $BorderB; } } foreach($Data["Series"][$SerieName]["Data"] as $iKey => $Point) { $Weight = $Point + $Data["Series"][$WeightSeries[$Key]]["Data"][$iKey]; $PosArray = $this->pChartObject->scaleComputeY($Point,array("AxisID"=>$AxisID)); $WeightArray = $this->pChartObject->scaleComputeY($Weight,array("AxisID"=>$AxisID)); if ( $Data["Orientation"] == SCALE_POS_LEFTRIGHT ) { if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1-$XMargin*2)/$XDivs; } $Y = floor($PosArray); $CircleRadius = floor(abs($PosArray - $WeightArray)/2); if ( $DrawSquare ) $this->pChartObject->drawFilledRectangle($X-$CircleRadius,$Y-$CircleRadius,$X+$CircleRadius,$Y+$CircleRadius,$Color); else $this->pChartObject->drawFilledCircle($X,$Y,$CircleRadius,$Color); $X = $X + $XStep; } elseif ( $Data["Orientation"] == SCALE_POS_TOPBOTTOM ) { if ( $XDivs == 0 ) { $XStep = 0; } else { $XStep = ($this->pChartObject->GraphAreaY2-$this->pChartObject->GraphAreaY1-$XMargin*2)/$XDivs; } $X = floor($PosArray); $CircleRadius = floor(abs($PosArray - $WeightArray)/2); if ( $DrawSquare ) $this->pChartObject->drawFilledRectangle($X-$CircleRadius,$Y-$CircleRadius,$X+$CircleRadius,$Y+$CircleRadius,$Color); else $this->pChartObject->drawFilledCircle($X,$Y,$CircleRadius,$Color); $Y = $Y + $XStep; } } } } } ?> |