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drawScatterScal function LabelSkip,LastLabel,LabelingMethod
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MrPamacs
New pChart user
Joined: Thu Oct 27, 2011 12:28 pm Posts: 2
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drawScatterScal function LabelSkip,LastLabel,LabelingMethod
This change happened in version 2.1.3! LabelSkip: Skipped labels LastLabel: If you do not see the last label, then it displays. LabelingMethod: Labeling method Code: function drawScatterScale($Format="") { $Mode = isset($Format["Mode"]) ? $Format["Mode"] : SCALE_MODE_FLOATING; $Floating = isset($Format["Floating"]) ? $Format["Floating"] : FALSE; $XLabelsRotation = isset($Format["XLabelsRotation"]) ? $Format["XLabelsRotation"] : 90; $MinDivHeight = isset($Format["MinDivHeight"]) ? $Format["MinDivHeight"] : 20; $Factors = isset($Format["Factors"]) ? $Format["Factors"] : array(1,2,5); $ManualScale = isset($Format["ManualScale"]) ? $Format["ManualScale"] : array("0"=>array("Min"=>-100,"Max"=>100)); $XMargin = isset($Format["XMargin"]) ? $Format["XMargin"] : 0; $YMargin = isset($Format["YMargin"]) ? $Format["YMargin"] : 0; $ScaleSpacing = isset($Format["ScaleSpacing"]) ? $Format["ScaleSpacing"] : 15; $InnerTickWidth = isset($Format["InnerTickWidth"]) ? $Format["InnerTickWidth"] : 2; $OuterTickWidth = isset($Format["OuterTickWidth"]) ? $Format["OuterTickWidth"] : 2; $DrawXLines = isset($Format["DrawXLines"]) ? $Format["DrawXLines"] : ALL; $DrawYLines = isset($Format["DrawYLines"]) ? $Format["DrawYLines"] : ALL; $GridTicks = isset($Format["GridTicks"]) ? $Format["GridTicks"] : 4; $GridR = isset($Format["GridR"]) ? $Format["GridR"] : 255; $GridG = isset($Format["GridG"]) ? $Format["GridG"] : 255; $GridB = isset($Format["GridB"]) ? $Format["GridB"] : 255; $GridAlpha = isset($Format["GridAlpha"]) ? $Format["GridAlpha"] : 40; $AxisRo = isset($Format["AxisR"]) ? $Format["AxisR"] : 0; $AxisGo = isset($Format["AxisG"]) ? $Format["AxisG"] : 0; $AxisBo = isset($Format["AxisB"]) ? $Format["AxisB"] : 0; $AxisAlpha = isset($Format["AxisAlpha"]) ? $Format["AxisAlpha"] : 100; $TickRo = isset($Format["TickR"]) ? $Format["TickR"] : 0; $TickGo = isset($Format["TickG"]) ? $Format["TickG"] : 0; $TickBo = isset($Format["TickB"]) ? $Format["TickB"] : 0; $TickAlpha = isset($Format["TickAlpha"]) ? $Format["TickAlpha"] : 100; $DrawSubTicks = isset($Format["DrawSubTicks"]) ? $Format["DrawSubTicks"] : FALSE; $InnerSubTickWidth = isset($Format["InnerSubTickWidth"]) ? $Format["InnerSubTickWidth"] : 0; $OuterSubTickWidth = isset($Format["OuterSubTickWidth"]) ? $Format["OuterSubTickWidth"] : 2; $SubTickR = isset($Format["SubTickR"]) ? $Format["SubTickR"] : 255; $SubTickG = isset($Format["SubTickG"]) ? $Format["SubTickG"] : 0; $SubTickB = isset($Format["SubTickB"]) ? $Format["SubTickB"] : 0; $SubTickAlpha = isset($Format["SubTickAlpha"]) ? $Format["SubTickAlpha"] : 100; $XReleasePercent = isset($Format["XReleasePercent"]) ? $Format["XReleasePercent"] : 1; $DrawArrows = isset($Format["DrawArrows"]) ? $Format["DrawArrows"] : FALSE; $ArrowSize = isset($Format["ArrowSize"]) ? $Format["ArrowSize"] : 8; $CycleBackground = isset($Format["CycleBackground"]) ? $Format["CycleBackground"] : FALSE; $BackgroundR1 = isset($Format["BackgroundR1"]) ? $Format["BackgroundR1"] : 255; $BackgroundG1 = isset($Format["BackgroundG1"]) ? $Format["BackgroundG1"] : 255; $BackgroundB1 = isset($Format["BackgroundB1"]) ? $Format["BackgroundB1"] : 255; $BackgroundAlpha1 = isset($Format["BackgroundAlpha1"]) ? $Format["BackgroundAlpha1"] : 10; $BackgroundR2 = isset($Format["BackgroundR2"]) ? $Format["BackgroundR2"] : 230; $BackgroundG2 = isset($Format["BackgroundG2"]) ? $Format["BackgroundG2"] : 230; $BackgroundB2 = isset($Format["BackgroundB2"]) ? $Format["BackgroundB2"] : 230; $BackgroundAlpha2 = isset($Format["BackgroundAlpha2"]) ? $Format["BackgroundAlpha2"] : 10; $LabelingMethod = isset($Format["LabelingMethod"]) ? $Format["LabelingMethod"] : LABELING_ALL; $LabelSkip = isset($Format["LabelSkip"]) ? $Format["LabelSkip"] : 0; $LastLabel = isset($Format["LastLabel"]) ? $Format["LastLabel"] : FALSE;
/* Check if we have at least both one X and Y axis */ $GotXAxis = FALSE; $GotYAxis = FALSE; foreach($this->pDataObject->Data["Axis"] as $AxisID => $AxisSettings) { if ( $AxisSettings["Identity"] == AXIS_X ) { $GotXAxis = TRUE; } if ( $AxisSettings["Identity"] == AXIS_Y ) { $GotYAxis = TRUE; } } if ( !$GotXAxis ) { return(SCATTER_MISSING_X_SERIE); } if ( !$GotYAxis ) { return(SCATTER_MISSING_Y_SERIE); }
/* Skip a NOTICE event in case of an empty array */ if ( $DrawYLines == NONE ) { $DrawYLines = array("zarma"=>"31"); }
$Data = $this->pDataObject->getData();
foreach($Data["Axis"] as $AxisID => $AxisSettings) { if ( $AxisSettings["Identity"] == AXIS_X) { $Width = $this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1 - $XMargin*2; } else { $Width = $this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1 - $YMargin*2; }
$AxisMin = ABSOLUTE_MAX; $AxisMax = OUT_OF_SIGHT; if ( $Mode == SCALE_MODE_FLOATING ) { foreach($Data["Series"] as $SerieID => $SerieParameter) { if ( $SerieParameter["Axis"] == $AxisID && $Data["Series"][$SerieID]["isDrawable"] ) { $AxisMax = max($AxisMax,$Data["Series"][$SerieID]["Max"]); $AxisMin = min($AxisMin,$Data["Series"][$SerieID]["Min"]); } } $AutoMargin = (($AxisMax-$AxisMin)/100)*$XReleasePercent;
$Data["Axis"][$AxisID]["Min"] = $AxisMin-$AutoMargin; $Data["Axis"][$AxisID]["Max"] = $AxisMax+$AutoMargin; } elseif ( $Mode == SCALE_MODE_MANUAL ) { if ( isset($ManualScale[$AxisID]["Min"]) && isset($ManualScale[$AxisID]["Max"]) ) { $Data["Axis"][$AxisID]["Min"] = $ManualScale[$AxisID]["Min"]; $Data["Axis"][$AxisID]["Max"] = $ManualScale[$AxisID]["Max"]; } else { echo "Manual scale boundaries not set."; exit(); } }
/* Full manual scale */ if ( isset($ManualScale[$AxisID]["Rows"]) && isset($ManualScale[$AxisID]["RowHeight"]) ) { $Scale = array("Rows"=>$ManualScale[$AxisID]["Rows"],"RowHeight"=>$ManualScale[$AxisID]["RowHeight"],"XMin"=>$ManualScale[$AxisID]["Min"],"XMax"=>$ManualScale[$AxisID]["Max"]); } else { $MaxDivs = floor($Width/$MinDivHeight); $Scale = $this->pChartObject->computeScale($Data["Axis"][$AxisID]["Min"],$Data["Axis"][$AxisID]["Max"],$MaxDivs,$Factors,$AxisID); }
$Data["Axis"][$AxisID]["Margin"] = $AxisSettings["Identity"] == AXIS_X ? $XMargin : $YMargin; $Data["Axis"][$AxisID]["ScaleMin"] = $Scale["XMin"]; $Data["Axis"][$AxisID]["ScaleMax"] = $Scale["XMax"]; $Data["Axis"][$AxisID]["Rows"] = $Scale["Rows"]; $Data["Axis"][$AxisID]["RowHeight"] = $Scale["RowHeight"];
if ( isset($Scale["Format"]) ) { $Data["Axis"][$AxisID]["Format"] = $Scale["Format"]; }
if ( !isset($Data["Axis"][$AxisID]["Display"]) ) { $Data["Axis"][$AxisID]["Display"] = NULL; } if ( !isset($Data["Axis"][$AxisID]["Format"]) ) { $Data["Axis"][$AxisID]["Format"] = NULL; } if ( !isset($Data["Axis"][$AxisID]["Unit"]) ) { $Data["Axis"][$AxisID]["Unit"] = NULL; } }
/* Get the default font color */ $FontColorRo = $this->pChartObject->FontColorR; $FontColorGo = $this->pChartObject->FontColorG; $FontColorBo = $this->pChartObject->FontColorB;
/* Set the original boundaries */ $AxisPos["L"] = $this->pChartObject->GraphAreaX1; $AxisPos["R"] = $this->pChartObject->GraphAreaX2; $AxisPos["T"] = $this->pChartObject->GraphAreaY1; $AxisPos["B"] = $this->pChartObject->GraphAreaY2;
foreach($Data["Axis"] as $AxisID => $AxisSettings) { if ( isset($AxisSettings["Color"]) ) { $AxisR = $AxisSettings["Color"]["R"]; $AxisG = $AxisSettings["Color"]["G"]; $AxisB = $AxisSettings["Color"]["B"]; $TickR = $AxisSettings["Color"]["R"]; $TickG = $AxisSettings["Color"]["G"]; $TickB = $AxisSettings["Color"]["B"]; $this->pChartObject->setFontProperties(array("R"=>$AxisSettings["Color"]["R"],"G"=>$AxisSettings["Color"]["G"],"B"=>$AxisSettings["Color"]["B"])); } else { $AxisR = $AxisRo; $AxisG = $AxisGo; $AxisB = $AxisBo; $TickR = $TickRo; $TickG = $TickGo; $TickB = $TickBo; $this->pChartObject->setFontProperties(array("R"=>$FontColorRo,"G"=>$FontColorGo,"B"=>$FontColorBo)); }
$LastValue = "w00t"; $ID = 1; if ( $AxisSettings["Identity"] == AXIS_X ) { if ( $AxisSettings["Position"] == AXIS_POSITION_BOTTOM ) { if ( $XLabelsRotation == 0 ) { $LabelAlign = TEXT_ALIGN_TOPMIDDLE; $LabelOffset = 2; } if ( $XLabelsRotation > 0 && $XLabelsRotation < 190 ) { $LabelAlign = TEXT_ALIGN_MIDDLERIGHT; $LabelOffset = 5; } if ( $XLabelsRotation == 180 ) { $LabelAlign = TEXT_ALIGN_BOTTOMMIDDLE; $LabelOffset = 5; } if ( $XLabelsRotation > 180 && $XLabelsRotation < 360 ) { $LabelAlign = TEXT_ALIGN_MIDDLELEFT; $LabelOffset = 2; }
if ( $Floating ) { $FloatingOffset = $YMargin; $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1+$AxisSettings["Margin"],$AxisPos["B"],$this->pChartObject->GraphAreaX2-$AxisSettings["Margin"],$AxisPos["B"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); } else { $FloatingOffset = 0; $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1,$AxisPos["B"],$this->pChartObject->GraphAreaX2,$AxisPos["B"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); }
if ( $DrawArrows ) { $this->pChartObject->drawArrow($this->pChartObject->GraphAreaX2-$AxisSettings["Margin"],$AxisPos["B"],$this->pChartObject->GraphAreaX2+($ArrowSize*2),$AxisPos["B"],array("FillR"=>$AxisR,"FillG"=>$AxisG,"FillB"=>$AxisB,"Size"=>$ArrowSize)); }
$Width = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1) - $AxisSettings["Margin"]*2; $Step = $Width / $AxisSettings["Rows"]; $SubTicksSize = $Step /2; $MaxBottom = $AxisPos["B"]; $LastX = NULL; for($i=0;$i<=$AxisSettings["Rows"];$i++) { $XPos = $this->pChartObject->GraphAreaX1 + $AxisSettings["Margin"] + $Step*$i; $YPos = $AxisPos["B"]; $Value = $this->pChartObject->scaleFormat($AxisSettings["ScaleMin"] + $AxisSettings["RowHeight"]*$i,$AxisSettings["Display"],$AxisSettings["Format"],$AxisSettings["Unit"]);
if ( $i%2 == 1 ) { $BGColor = array("R"=>$BackgroundR1,"G"=>$BackgroundG1,"B"=>$BackgroundB1,"Alpha"=>$BackgroundAlpha1); } else { $BGColor = array("R"=>$BackgroundR2,"G"=>$BackgroundG2,"B"=>$BackgroundB2,"Alpha"=>$BackgroundAlpha2); } if ( $LastX != NULL && $CycleBackground && ( $DrawXLines == ALL || in_array($AxisID,$DrawXLines) )) { $this->pChartObject->drawFilledRectangle($LastX,$this->pChartObject->GraphAreaY1+$FloatingOffset,$XPos,$this->pChartObject->GraphAreaY2-$FloatingOffset,$BGColor); } if ( $DrawSubTicks && $i != $AxisSettings["Rows"] ) $this->pChartObject->drawLine($XPos+$SubTicksSize,$YPos-$InnerSubTickWidth,$XPos+$SubTicksSize,$YPos+$OuterSubTickWidth,array("R"=>$SubTickR,"G"=>$SubTickG,"B"=>$SubTickB,"Alpha"=>$SubTickAlpha));
if ($ID==($AxisSettings["Rows"]+1)) { $LabelSkip=0; $Skipped = FALSE; } else { $ID++; $Skipped = TRUE; } if ( $this->pChartObject->isValidLabel($Value,$LastValue,$LabelingMethod,$ID,$LabelSkip) ) { if ( $DrawXLines == ALL || (is_array($DrawXLines) and in_array($AxisID,$DrawXLines)) ) $this->pChartObject->drawLine($XPos,$this->pChartObject->GraphAreaY1+$FloatingOffset,$XPos,$this->pChartObject->GraphAreaY2-$FloatingOffset,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); $Bounds = $this->pChartObject->drawText($XPos,$YPos+$OuterTickWidth+$LabelOffset,$Value,array("Angle"=>$XLabelsRotation,"Align"=>$LabelAlign)); $TxtBottom = $YPos+$OuterTickWidth+2+($Bounds[0]["Y"]-$Bounds[2]["Y"]); $MaxBottom = max($MaxBottom,$TxtBottom); $LastValue = $Value; $Skipped = FALSE; } if ( $Skipped) { if ( $DrawXLines ) { $this->pChartObject->drawLine($XPos,$this->GraphAreaY1+$FloatingOffset,$XPos,$this->GraphAreaY2-$FloatingOffset,$SkippedAxisColor); } if ( $SkippedInnerTickWidth !=0 || $SkippedOuterTickWidth != 0 ) { $this->drawLine($XPos,$YPos-$SkippedInnerTickWidth,$XPos,$YPos+$SkippedOuterTickWidth,$SkippedTickColor); } } else { if ( $DrawXLines && ($XPos != $this->GraphAreaX1 && $XPos != $this->GraphAreaX2) ) { $this->pChartObject->drawLine($XPos,$this->GraphAreaY1+$FloatingOffset,$XPos,$this->GraphAreaY2-$FloatingOffset,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); } if ( $InnerTickWidth !=0 || $OuterTickWidth != 0 ) { $this->pChartObject->drawLine($XPos,$YPos-$InnerTickWidth,$XPos,$YPos+$OuterTickWidth,array("R"=>$TickR,"G"=>$TickG,"B"=>$TickB,"Alpha"=>$TickAlpha)); } } $LastX = $XPos; }
if ( isset($AxisSettings["Name"]) ) { $YPos = $MaxBottom+2; $XPos = $this->pChartObject->GraphAreaX1+($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1)/2; $Bounds = $this->pChartObject->drawText($XPos,$YPos,$AxisSettings["Name"],array("Align"=>TEXT_ALIGN_TOPMIDDLE)); $MaxBottom = $Bounds[0]["Y"];
$this->pDataObject->Data["GraphArea"]["Y2"] = $MaxBottom + $this->pChartObject->FontSize; }
$AxisPos["B"] = $MaxBottom + $ScaleSpacing; } elseif ( $AxisSettings["Position"] == AXIS_POSITION_TOP ) { if ( $XLabelsRotation == 0 ) { $LabelAlign = TEXT_ALIGN_BOTTOMMIDDLE; $LabelOffset = 2; } if ( $XLabelsRotation > 0 && $XLabelsRotation < 190 ) { $LabelAlign = TEXT_ALIGN_MIDDLELEFT; $LabelOffset = 2; } if ( $XLabelsRotation == 180 ) { $LabelAlign = TEXT_ALIGN_TOPMIDDLE; $LabelOffset = 5; } if ( $XLabelsRotation > 180 && $SLabelxRotation < 360 ) { $LabelAlign = TEXT_ALIGN_MIDDLERIGHT; $LabelOffset = 5; }
if ( $Floating ) { $FloatingOffset = $YMargin; $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1+$AxisSettings["Margin"],$AxisPos["T"],$this->pChartObject->GraphAreaX2-$AxisSettings["Margin"],$AxisPos["T"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); } else { $FloatingOffset = 0; $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1,$AxisPos["T"],$this->pChartObject->GraphAreaX2,$AxisPos["T"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); }
if ( $DrawArrows ) { $this->pChartObject->drawArrow($this->pChartObject->GraphAreaX2-$AxisSettings["Margin"],$AxisPos["T"],$this->pChartObject->GraphAreaX2+($ArrowSize*2),$AxisPos["T"],array("FillR"=>$AxisR,"FillG"=>$AxisG,"FillB"=>$AxisB,"Size"=>$ArrowSize)); }
$Width = ($this->pChartObject->GraphAreaX2 - $this->pChartObject->GraphAreaX1) - $AxisSettings["Margin"]*2; $Step = $Width / $AxisSettings["Rows"]; $SubTicksSize = $Step /2; $MinTop = $AxisPos["T"]; $LastX = NULL; for($i=0;$i<=$AxisSettings["Rows"];$i++) { $XPos = $this->pChartObject->GraphAreaX1 + $AxisSettings["Margin"] + $Step*$i; $YPos = $AxisPos["T"]; $Value = $this->pChartObject->scaleFormat($AxisSettings["ScaleMin"] + $AxisSettings["RowHeight"]*$i,$AxisSettings["Display"],$AxisSettings["Format"],$AxisSettings["Unit"]);
if ( $i%2 == 1 ) { $BGColor = array("R"=>$BackgroundR1,"G"=>$BackgroundG1,"B"=>$BackgroundB1,"Alpha"=>$BackgroundAlpha1); } else { $BGColor = array("R"=>$BackgroundR2,"G"=>$BackgroundG2,"B"=>$BackgroundB2,"Alpha"=>$BackgroundAlpha2); } if ( $LastX != NULL && $CycleBackground && ( $DrawXLines == ALL || in_array($AxisID,$DrawXLines) )) { $this->pChartObject->drawFilledRectangle($LastX,$this->pChartObject->GraphAreaY1+$FloatingOffset,$XPos,$this->pChartObject->GraphAreaY2-$FloatingOffset,$BGColor); } if ( $DrawSubTicks && $i != $AxisSettings["Rows"] ) $this->pChartObject->drawLine($XPos+$SubTicksSize,$YPos-$OuterSubTickWidth,$XPos+$SubTicksSize,$YPos+$InnerSubTickWidth,array("R"=>$SubTickR,"G"=>$SubTickG,"B"=>$SubTickB,"Alpha"=>$SubTickAlpha)); if ($ID==($AxisSettings["Rows"]+1)) { $LabelSkip=0; $Skipped = FALSE; } else { $ID++; $Skipped = TRUE; }
if ( $this->pChartObject->isValidLabel($Value,$LastValue,$LabelingMethod,$ID,$LabelSkip) ) { if ( $DrawXLines == ALL || (is_array($DrawXLines) and in_array($AxisID,$DrawXLines)) ) $this->pChartObject->drawLine($XPos,$this->pChartObject->GraphAreaY1+$FloatingOffset,$XPos,$this->pChartObject->GraphAreaY2-$FloatingOffset,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); $Bounds = $this->pChartObject->drawText($XPos,$YPos-$OuterTickWidth-$YLabelOffset,$Value,array("Angle"=>$LabelRotation,"Align"=>$LabelAlign)); $TxtBox = $YPos-$OuterTickWidth-2-($Bounds[0]["Y"]-$Bounds[2]["Y"]); $MinTop = min($MinTop,$TxtBox); $LastValue = $Value; $Skipped = FALSE; }
if ( $Skipped ) { if ( $DrawXLines ) { $this->drawLine($XPos,$this->GraphAreaY1+$FloatingOffset,$XPos,$this->GraphAreaY2-$FloatingOffset,$SkippedAxisColor); } if ( $SkippedInnerTickWidth !=0 || $SkippedOuterTickWidth != 0 ) { $this->pChartObject->drawLine($XPos,$YPos+$SkippedInnerTickWidth,$XPos,$YPos-$SkippedOuterTickWidth,$SkippedTickColor); } } else { if ( $DrawXLines ) { $this->drawLine($XPos,$this->GraphAreaY1+$FloatingOffset,$XPos,$this->GraphAreaY2-$FloatingOffset,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); } if ( $InnerTickWidth !=0 || $OuterTickWidth != 0 ) { $this->drawLine($XPos,$YPos+$InnerTickWidth,$XPos,$YPos-$OuterTickWidth,array("R"=>$TickR,"G"=>$TickG,"B"=>$TickB,"Alpha"=>$TickAlpha)); } } $LastX = $XPos; }
if ( isset($AxisSettings["Name"]) ) { $YPos = $MinTop-2; $XPos = $this->pChartObject->GraphAreaX1+($this->pChartObject->GraphAreaX2-$this->pChartObject->GraphAreaX1)/2; $Bounds = $this->pChartObject->drawText($XPos,$YPos,$AxisSettings["Name"],array("Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); $MinTop = $Bounds[2]["Y"];
$this->pDataObject->Data["GraphArea"]["Y1"] = $MinTop; }
$AxisPos["T"] = $MinTop - $ScaleSpacing; } } elseif ( $AxisSettings["Identity"] == AXIS_Y ) { if ( $AxisSettings["Position"] == AXIS_POSITION_LEFT ) {
if ( $Floating ) { $FloatingOffset = $XMargin; $this->pChartObject->drawLine($AxisPos["L"],$this->pChartObject->GraphAreaY1+$AxisSettings["Margin"],$AxisPos["L"],$this->pChartObject->GraphAreaY2-$AxisSettings["Margin"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); } else { $FloatingOffset = 0; $this->pChartObject->drawLine($AxisPos["L"],$this->pChartObject->GraphAreaY1,$AxisPos["L"],$this->pChartObject->GraphAreaY2,array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); }
if ( $DrawArrows ) { $this->pChartObject->drawArrow($AxisPos["L"],$this->pChartObject->GraphAreaY1+$AxisSettings["Margin"],$AxisPos["L"],$this->pChartObject->GraphAreaY1-($ArrowSize*2),array("FillR"=>$AxisR,"FillG"=>$AxisG,"FillB"=>$AxisB,"Size"=>$ArrowSize)); }
$Height = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) - $AxisSettings["Margin"]*2; $Step = $Height / $AxisSettings["Rows"]; $SubTicksSize = $Step /2; $MinLeft = $AxisPos["L"]; $LastY = NULL; for($i=0;$i<=$AxisSettings["Rows"];$i++) { $YPos = $this->pChartObject->GraphAreaY2 - $AxisSettings["Margin"] - $Step*$i; $XPos = $AxisPos["L"]; $Value = $this->pChartObject->scaleFormat($AxisSettings["ScaleMin"] + $AxisSettings["RowHeight"]*$i,$AxisSettings["Display"],$AxisSettings["Format"],$AxisSettings["Unit"]);
if ( $i%2 == 1 ) { $BGColor = array("R"=>$BackgroundR1,"G"=>$BackgroundG1,"B"=>$BackgroundB1,"Alpha"=>$BackgroundAlpha1); } else { $BGColor = array("R"=>$BackgroundR2,"G"=>$BackgroundG2,"B"=>$BackgroundB2,"Alpha"=>$BackgroundAlpha2); } if ( $LastY != NULL && $CycleBackground && ( $DrawYLines == ALL || in_array($AxisID,$DrawYLines) )) { $this->pChartObject->drawFilledRectangle($this->pChartObject->GraphAreaX1+$FloatingOffset,$LastY,$this->pChartObject->GraphAreaX2-$FloatingOffset,$YPos,$BGColor); }
if ( ($YPos != $this->pChartObject->GraphAreaY1 && $YPos != $this->pChartObject->GraphAreaY2) && ($DrawYLines == ALL || in_array($AxisID,$DrawYLines) )) { $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1+$FloatingOffset,$YPos,$this->pChartObject->GraphAreaX2-$FloatingOffset,$YPos,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); }
if ( $DrawSubTicks && $i != $AxisSettings["Rows"] ) $this->pChartObject->drawLine($XPos-$OuterSubTickWidth,$YPos-$SubTicksSize,$XPos+$InnerSubTickWidth,$YPos-$SubTicksSize,array("R"=>$SubTickR,"G"=>$SubTickG,"B"=>$SubTickB,"Alpha"=>$SubTickAlpha));
$this->pChartObject->drawLine($XPos-$OuterTickWidth,$YPos,$XPos+$InnerTickWidth,$YPos,array("R"=>$TickR,"G"=>$TickG,"B"=>$TickB,"Alpha"=>$TickAlpha)); $Bounds = $this->pChartObject->drawText($XPos-$OuterTickWidth-2,$YPos,$Value,array("Align"=>TEXT_ALIGN_MIDDLERIGHT)); $TxtLeft = $XPos-$OuterTickWidth-2-($Bounds[1]["X"]-$Bounds[0]["X"]); $MinLeft = min($MinLeft,$TxtLeft);
$LastY = $YPos; }
if ( isset($AxisSettings["Name"]) ) { $XPos = $MinLeft-2; $YPos = $this->pChartObject->GraphAreaY1+($this->pChartObject->GraphAreaY2-$this->pChartObject->GraphAreaY1)/2; $Bounds = $this->pChartObject->drawText($XPos,$YPos,$AxisSettings["Name"],array("Align"=>TEXT_ALIGN_BOTTOMMIDDLE,"Angle"=>90)); $MinLeft = $Bounds[2]["X"];
$this->pDataObject->Data["GraphArea"]["X1"] = $MinLeft; }
$AxisPos["L"] = $MinLeft - $ScaleSpacing; } elseif ( $AxisSettings["Position"] == AXIS_POSITION_RIGHT ) {
if ( $Floating ) { $FloatingOffset = $XMargin; $this->pChartObject->drawLine($AxisPos["R"],$this->pChartObject->GraphAreaY1+$AxisSettings["Margin"],$AxisPos["R"],$this->pChartObject->GraphAreaY2-$AxisSettings["Margin"],array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); } else { $FloatingOffset = 0; $this->pChartObject->drawLine($AxisPos["R"],$this->pChartObject->GraphAreaY1,$AxisPos["R"],$this->pChartObject->GraphAreaY2,array("R"=>$AxisR,"G"=>$AxisG,"B"=>$AxisB,"Alpha"=>$AxisAlpha)); }
if ( $DrawArrows ) { $this->pChartObject->drawArrow($AxisPos["R"],$this->pChartObject->GraphAreaY1+$AxisSettings["Margin"],$AxisPos["R"],$this->pChartObject->GraphAreaY1-($ArrowSize*2),array("FillR"=>$AxisR,"FillG"=>$AxisG,"FillB"=>$AxisB,"Size"=>$ArrowSize)); }
$Height = ($this->pChartObject->GraphAreaY2 - $this->pChartObject->GraphAreaY1) - $AxisSettings["Margin"]*2; $Step = $Height / $AxisSettings["Rows"]; $SubTicksSize = $Step /2; $MaxLeft = $AxisPos["R"]; $LastY = NULL; for($i=0;$i<=$AxisSettings["Rows"];$i++) { $YPos = $this->pChartObject->GraphAreaY2 - $AxisSettings["Margin"] - $Step*$i; $XPos = $AxisPos["R"]; $Value = $this->pChartObject->scaleFormat($AxisSettings["ScaleMin"] + $AxisSettings["RowHeight"]*$i,$AxisSettings["Display"],$AxisSettings["Format"],$AxisSettings["Unit"]);
if ( $i%2 == 1 ) { $BGColor = array("R"=>$BackgroundR1,"G"=>$BackgroundG1,"B"=>$BackgroundB1,"Alpha"=>$BackgroundAlpha1); } else { $BGColor = array("R"=>$BackgroundR2,"G"=>$BackgroundG2,"B"=>$BackgroundB2,"Alpha"=>$BackgroundAlpha2); } if ( $LastY != NULL && $CycleBackground && ( $DrawYLines == ALL || in_array($AxisID,$DrawYLines) )) { $this->pChartObject->drawFilledRectangle($this->pChartObject->GraphAreaX1+$FloatingOffset,$LastY,$this->pChartObject->GraphAreaX2-$FloatingOffset,$YPos,$BGColor); }
if ( ($YPos != $this->pChartObject->GraphAreaY1 && $YPos != $this->pChartObject->GraphAreaY2) && ($DrawYLines == ALL || in_array($AxisID,$DrawYLines)) ) { $this->pChartObject->drawLine($this->pChartObject->GraphAreaX1+$FloatingOffset,$YPos,$this->pChartObject->GraphAreaX2-$FloatingOffset,$YPos,array("R"=>$GridR,"G"=>$GridG,"B"=>$GridB,"Alpha"=>$GridAlpha,"Ticks"=>$GridTicks)); }
if ( $DrawSubTicks && $i != $AxisSettings["Rows"] ) $this->pChartObject->drawLine($XPos-$InnerSubTickWidth,$YPos-$SubTicksSize,$XPos+$OuterSubTickWidth,$YPos-$SubTicksSize,array("R"=>$SubTickR,"G"=>$SubTickG,"B"=>$SubTickB,"Alpha"=>$SubTickAlpha));
$this->pChartObject->drawLine($XPos-$InnerTickWidth,$YPos,$XPos+$OuterTickWidth,$YPos,array("R"=>$TickR,"G"=>$TickG,"B"=>$TickB,"Alpha"=>$TickAlpha)); $Bounds = $this->pChartObject->drawText($XPos+$OuterTickWidth+2,$YPos,$Value,array("Align"=>TEXT_ALIGN_MIDDLELEFT)); $TxtLeft = $XPos+$OuterTickWidth+2+($Bounds[1]["X"]-$Bounds[0]["X"]); $MaxLeft = max($MaxLeft,$TxtLeft);
$LastY = $YPos; }
if ( isset($AxisSettings["Name"]) ) { $XPos = $MaxLeft+6; $YPos = $this->pChartObject->GraphAreaY1+($this->pChartObject->GraphAreaY2-$this->pChartObject->GraphAreaY1)/2; $Bounds = $this->pChartObject->drawText($XPos,$YPos,$AxisSettings["Name"],array("Align"=>TEXT_ALIGN_BOTTOMMIDDLE,"Angle"=>270)); $MaxLeft = $Bounds[2]["X"];
$this->pDataObject->Data["GraphArea"]["X2"] = $MaxLeft + $this->pChartObject->FontSize; }
$AxisPos["R"] = $MaxLeft + $ScaleSpacing; } } }
$this->pDataObject->saveAxisConfig($Data["Axis"]); }
Example: Attachment:
File comment: Example
grafikon 1_2.jpg [ 49.05 KiB | Viewed 12782 times ]
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Thu Oct 27, 2011 1:33 pm |
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cbaldinu
Regular pChart user
Joined: Fri Apr 20, 2012 10:15 am Posts: 9
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Re: drawScatterScal function LabelSkip,LastLabel,LabelingMet
Hi, i really like your function, and i think it's the solution to the troubles i am having. My situation is the following: I'm collecting data from a meteo station and storing it in a database. I have to manage two different kind of datas, DateTime and Temperature. Temperature and Datetime are 2 arrays of the same length, but with the problem that dateTime can be discountinuous and scattered in time. Temperature[i] is the temperature measured at the instant of DateTime[i]. My goal is to plot temperature as function of dateTime. (linear fit) I'll post an example of my trouble: Code: <?php
include("../../pChart/class/pDraw.class.php"); include("../../pChart/class/pImage.class.php"); include("../../pChart/class/pData.class.php");
$myData = new pData(); $dateTime = array("08:00","09:00","12:00","13:00"); $myData->addPoints( $dateTime,"Labels"); $myData->setSerieDescription("Labels","Ore");
$myData->setAbscissa("Labels"); $temperature=array("12","13","14","30");
$myData->addPoints($temperature);
$myPicture = new pImage(1100,230,$myData);
$myPicture->setFontProperties(array("FontName"=>"../../pChart/fonts/Forgotte.ttf","FontSize"=>10)); $myPicture->drawText(10,20,"Temperatura 24h");
$myPicture->setGraphArea(60,40,1100,190);
$myPicture->drawScale();
$myPicture->drawLineChart();
$myPicture->Stroke(); ?>
The graph generated is: If you take a look at the X axys the distance between 09:00 and 12:00 is the same as the distance between 08:00 and 09:00. I would like to avoid this and plot temperature[i] at the X value = datetime[i]. Regards, Cristian
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Fri Apr 20, 2012 11:08 am |
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