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<?php
/*
pRadar - class to draw radar charts
Version : 2.1.4
Made by : Jean-Damien POGOLOTTI
Last Update : 19/01/2014
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.
*/
define("SEGMENT_HEIGHT_AUTO", 690001);
define("RADAR_LAYOUT_STAR", 690011);
define("RADAR_LAYOUT_CIRCLE", 690012);
define("RADAR_LABELS_ROTATED", 690021);
define("RADAR_LABELS_HORIZONTAL", 690022);
/* pRadar class definition */
class pRadar
{
var $pChartObject;
/* Class creator */
function __construct(){}
/* Draw a radar chart */
function drawRadar($Object, $Values, array $Format = [])
{
$this->pChartObject = $Object;
$FixedMax = VOID;
$AxisR = 60;
$AxisG = 60;
$AxisB = 60;
$AxisAlpha = 50;
$AxisRotation = 0;
$DrawTicks = TRUE;
$TicksLength = 2;
$DrawAxisValues = TRUE;
$AxisBoxRounded = TRUE;
$AxisFontName = $this->pChartObject->FontName;
$AxisFontSize = $this->pChartObject->FontSize;
$WriteValues = FALSE;
$WriteValuesInBubble = TRUE;
$ValueFontName = $this->pChartObject->FontName;
$ValueFontSize = $this->pChartObject->FontSize;
$ValuePadding = 4;
$OuterBubbleRadius = 2;
$OuterBubbleR = VOID;
$OuterBubbleG = VOID;
$OuterBubbleB = VOID;
$OuterBubbleAlpha = 100;
$InnerBubbleR = 255;
$InnerBubbleG = 255;
$InnerBubbleB = 255;
$InnerBubbleAlpha = 100;
$DrawBackground = TRUE;
$BackgroundR = 255;
$BackgroundG = 255;
$BackgroundB = 255;
$BackgroundAlpha = 50;
$BackgroundGradient = NULL;
$Layout = RADAR_LAYOUT_STAR;
$SegmentHeight = SEGMENT_HEIGHT_AUTO;
$Segments = 4;
$WriteLabels = TRUE;
$SkipLabels = 1;
$LabelMiddle = FALSE;
$LabelsBackground = TRUE;
$LabelsBGR = 255;
$LabelsBGG = 255;
$LabelsBGB = 255;
$LabelsBGAlpha = 50;
$LabelPos = RADAR_LABELS_ROTATED;
$LabelPadding = 4;
$DrawPoints = TRUE;
$PointRadius = 4;
$PointSurrounding = isset($Format["PointRadius"]) ? $Format["PointRadius"] : -30;
$DrawLines = TRUE;
$LineLoopStart = TRUE;
$DrawPoly = FALSE;
$PolyAlpha = 40;
$FontSize = $Object->FontSize;
$X1 = $Object->GraphAreaX1;
$Y1 = $Object->GraphAreaY1;
$X2 = $Object->GraphAreaX2;
$Y2 = $Object->GraphAreaY2;
$RecordImageMap = FALSE;
/* Override defaults */
extract($Format);
/* Cancel default tick length if ticks not enabled */
($DrawTicks == FALSE) AND $TicksLength = 0;
/* Data Processing */
$Data = $Values->getData();
$Palette = $Values->getPalette();
/* Catch the number of required axis */
$LabelSerie = $Data["Abscissa"];
if ($LabelSerie != "") {
$Points = count($Data["Series"][$LabelSerie]["Data"]);
} else {
$Points = 0;
foreach($Data["Series"] as $SerieName => $DataArray) {
if (count($DataArray["Data"]) > $Points) {
$Points = count($DataArray["Data"]);
}
}
}
/* Draw the axis */
$CenterX = ($X2 - $X1) / 2 + $X1;
$CenterY = ($Y2 - $Y1) / 2 + $Y1;
$EdgeHeight = min(($X2 - $X1) / 2, ($Y2 - $Y1) / 2);
if ($WriteLabels) {
$EdgeHeight = $EdgeHeight - $FontSize - $LabelPadding - $TicksLength;
}
/* Determine the scale if set to automatic */
if ($SegmentHeight == SEGMENT_HEIGHT_AUTO) {
if ($FixedMax != VOID) {
$Max = $FixedMax;
} else {
$Max = 0;
foreach($Data["Series"] as $SerieName => $DataArray) {
if ($SerieName != $LabelSerie) {
if (max($DataArray["Data"]) > $Max) {
$Max = max($DataArray["Data"]);
}
}
}
}
$MaxSegments = $EdgeHeight / 20;
$Scale = $Object->computeScale(0, $Max, $MaxSegments, [1,2,5]);
$Segments = $Scale["Rows"];
$SegmentHeight = $Scale["RowHeight"];
}
if ($LabelMiddle && $SkipLabels == 1) {
$Axisoffset = (360 / $Points) / 2;
} elseif ($LabelMiddle && $SkipLabels != 1) {
$Axisoffset = (360 / ($Points / $SkipLabels)) / 2;
} elseif (!$LabelMiddle) {
$Axisoffset = 0;
}
/* Background processing */
if ($DrawBackground) {
$RestoreShadow = $Object->Shadow;
$Object->Shadow = FALSE;
if ($BackgroundGradient == NULL) {
if ($Layout == RADAR_LAYOUT_STAR) {
$Color = ["R" => $BackgroundR, "G" => $BackgroundG, "B" => $BackgroundB, "Alpha" => $BackgroundAlpha];
$PointArray = [];
for ($i = 0; $i <= 360; $i = $i + (360 / $Points)) {
$PointArray[] = cos(deg2rad($i + $AxisRotation)) * $EdgeHeight + $CenterX;
$PointArray[] = sin(deg2rad($i + $AxisRotation)) * $EdgeHeight + $CenterY;
}
$Object->drawPolygon($PointArray, $Color);
} elseif ($Layout == RADAR_LAYOUT_CIRCLE) {
$Color =["R" => $BackgroundR,"G" => $BackgroundG,"B" => $BackgroundB,"Alpha" => $BackgroundAlpha];
$Object->drawFilledCircle($CenterX, $CenterY, $EdgeHeight, $Color);
}
} else {
$GradientROffset = ($BackgroundGradient["EndR"] - $BackgroundGradient["StartR"]) / $Segments;
$GradientGOffset = ($BackgroundGradient["EndG"] - $BackgroundGradient["StartG"]) / $Segments;
$GradientBOffset = ($BackgroundGradient["EndB"] - $BackgroundGradient["StartB"]) / $Segments;
$GradientAlphaOffset = ($BackgroundGradient["EndAlpha"] - $BackgroundGradient["StartAlpha"]) / $Segments;
if ($Layout == RADAR_LAYOUT_STAR) {
for ($j = $Segments; $j >= 1; $j--) {
$Color = [
"R" => $BackgroundGradient["StartR"] + $GradientROffset * $j,
"G" => $BackgroundGradient["StartG"] + $GradientGOffset * $j,
"B" => $BackgroundGradient["StartB"] + $GradientBOffset * $j,
"Alpha" => $BackgroundGradient["StartAlpha"] + $GradientAlphaOffset * $j
];
$PointArray = [];
for ($i = 0; $i <= 360; $i = $i + (360 / $Points)) {
$PointArray[] = cos(deg2rad($i + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$PointArray[] = sin(deg2rad($i + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
}
$Object->drawPolygon($PointArray, $Color);
}
} elseif ($Layout == RADAR_LAYOUT_CIRCLE) {
for ($j = $Segments; $j >= 1; $j--) {
$Color = [
"R" => $BackgroundGradient["StartR"] + $GradientROffset * $j,
"G" => $BackgroundGradient["StartG"] + $GradientGOffset * $j,
"B" => $BackgroundGradient["StartB"] + $GradientBOffset * $j,
"Alpha" => $BackgroundGradient["StartAlpha"] + $GradientAlphaOffset * $j
];
$Object->drawFilledCircle($CenterX, $CenterY, ($EdgeHeight / $Segments) * $j, $Color);
}
}
}
$Object->Shadow = $RestoreShadow;
}
/* Axis to axis lines */
$Color = ["R" => $AxisR,"G" => $AxisG,"B" => $AxisB,"Alpha" => $AxisAlpha];
$ColorDotted = ["R" => $AxisR,"G" => $AxisG,"B" => $AxisB,"Alpha" => $AxisAlpha * .8,"Ticks" => 2];
if ($Layout == RADAR_LAYOUT_STAR) {
for ($j = 1; $j <= $Segments; $j++) {
for ($i = 0; $i < 360; $i = $i + (360 / $Points)) {
$EdgeX1 = cos(deg2rad($i + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY1 = sin(deg2rad($i + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
$EdgeX2 = cos(deg2rad($i + $AxisRotation + (360 / $Points))) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY2 = sin(deg2rad($i + $AxisRotation + (360 / $Points))) * ($EdgeHeight / $Segments) * $j + $CenterY;
$Object->drawLine($EdgeX1, $EdgeY1, $EdgeX2, $EdgeY2, $Color);
}
}
} elseif ($Layout == RADAR_LAYOUT_CIRCLE) {
for ($j = 1; $j <= $Segments; $j++) {
$Radius = ($EdgeHeight / $Segments) * $j;
$Object->drawCircle($CenterX, $CenterY, $Radius, $Radius, $Color);
}
}
if ($DrawAxisValues) {
if ($LabelsBackground) {
$Options = ["DrawBox" => TRUE,"Align" => TEXT_ALIGN_MIDDLEMIDDLE,"BoxR" => $LabelsBGR,"BoxG" => $LabelsBGG,"BoxB" => $LabelsBGB,"BoxAlpha" => $LabelsBGAlpha];
} else {
$Options = ["Align" => TEXT_ALIGN_MIDDLEMIDDLE];
}
if ($AxisBoxRounded) {
$Options["BoxRounded"] = TRUE;
}
$Options["FontName"] = $AxisFontName;
$Options["FontSize"] = $AxisFontSize;
$Angle = 360 / ($Points * 2);
for ($j = 1; $j <= $Segments; $j++) {
$Label = $j * $SegmentHeight;
if ($Layout == RADAR_LAYOUT_CIRCLE) {
$EdgeX1 = cos(deg2rad($Angle + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY1 = sin(deg2rad($Angle + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
} elseif ($Layout == RADAR_LAYOUT_STAR) {
$EdgeX1 = cos(deg2rad($AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY1 = sin(deg2rad($AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
$EdgeX2 = cos(deg2rad((360 / $Points) + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY2 = sin(deg2rad((360 / $Points) + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
$EdgeX1 = ($EdgeX2 - $EdgeX1) / 2 + $EdgeX1;
$EdgeY1 = ($EdgeY2 - $EdgeY1) / 2 + $EdgeY1;
}
$Object->drawText($EdgeX1, $EdgeY1, $Label, $Options);
}
}
/* Axis lines */
$ID = 0;
for ($i = 0; $i < 360; $i = $i + (360 / $Points)) {
$EdgeX = cos(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $TicksLength) + $CenterX;
$EdgeY = sin(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $TicksLength) + $CenterY;
if ($ID % $SkipLabels == 0) {
$Object->drawLine($CenterX, $CenterY, $EdgeX, $EdgeY, $Color);
} else {
$Object->drawLine($CenterX, $CenterY, $EdgeX, $EdgeY, $ColorDotted);
}
if ($WriteLabels) {
$LabelX = cos(deg2rad($i + $AxisRotation + $Axisoffset)) * ($EdgeHeight + $LabelPadding + $TicksLength) + $CenterX;
$LabelY = sin(deg2rad($i + $AxisRotation + $Axisoffset)) * ($EdgeHeight + $LabelPadding + $TicksLength) + $CenterY;
if ($LabelSerie != "") {
$Label = isset($Data["Series"][$LabelSerie]["Data"][$ID]) ? $Data["Series"][$LabelSerie]["Data"][$ID] : "";
} else {
$Label = $ID;
}
if ($ID % $SkipLabels == 0) {
if ($LabelPos == RADAR_LABELS_ROTATED) {
$Align = ["Angle" => (360 - ($i + $AxisRotation + $Axisoffset)) - 90,"Align" => TEXT_ALIGN_BOTTOMMIDDLE];
} else {
switch (TRUE) {
case ((floor($LabelX) == floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMMIDDLE];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMLEFT];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) == floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_MIDDLELEFT];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPLEFT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMRIGHT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) == floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_MIDDLERIGHT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPRIGHT];
break;
case ((floor($LabelX) == floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPMIDDLE];
break;
}
}
$Object->drawText($LabelX, $LabelY, $Label, $Align);
}
}
$ID++;
}
/* Compute the plots position */
$ID = 0;
$Plot = [];
foreach($Data["Series"] as $SerieName => $DataS) {
if ($SerieName != $LabelSerie) {
$Color = ["R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding];
foreach($DataS["Data"] as $Key => $Value) {
$Angle = (360 / $Points) * $Key;
$Length = ($EdgeHeight / ($Segments * $SegmentHeight)) * $Value;
$X = cos(deg2rad($Angle + $AxisRotation)) * $Length + $CenterX;
$Y = sin(deg2rad($Angle + $AxisRotation)) * $Length + $CenterY;
$Plot[$ID][] = [$X,$Y,$Value];
if ($RecordImageMap) {
$this->pChartObject->addToImageMap("CIRCLE", floor($X) . "," . floor($Y) . "," . floor($PointRadius) , $this->pChartObject->toHTMLColor($Palette[$ID]["R"], $Palette[$ID]["G"], $Palette[$ID]["B"]) , $DataS["Description"], $Data["Series"][$LabelSerie]["Data"][$Key] . " = " . $Value);
}
}
$ID++;
}
}
/* Draw all that stuff! */
foreach($Plot as $ID => $Points) {
$Color = ["R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding];
/* Draw the polygons */
if ($DrawPoly) {
if ($PolyAlpha != NULL) {
$Color = ["R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $PolyAlpha,"Surrounding" => $PointSurrounding];
}
$PointsArray = [];
for ($i = 0; $i < count($Points); $i++) {
$PointsArray[] = $Points[$i][0];
$PointsArray[] = $Points[$i][1];
}
$Object->drawPolygon($PointsArray, $Color);
}
$Color = ["R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding];
/* Bubble and labels settings */
$TextSettings = array("Align" => TEXT_ALIGN_MIDDLEMIDDLE,"FontName" => $ValueFontName,"FontSize" => $ValueFontSize,"R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"]);
$InnerColor = ["R" => $InnerBubbleR,"G" => $InnerBubbleG,"B" => $InnerBubbleB,"Alpha" => $InnerBubbleAlpha];
if ($OuterBubbleR != VOID) {
$OuterColor = ["R" => $OuterBubbleR,"G" => $OuterBubbleG,"B" => $OuterBubbleB,"Alpha" => $OuterBubbleAlpha];
} else {
$OuterColor = ["R" => $Palette[$ID]["R"] + 20,"G" => $Palette[$ID]["G"] + 20,"B" => $Palette[$ID]["B"] + 20,"Alpha" => $Palette[$ID]["Alpha"]];
}
/* Loop to the starting points if asked */
if ($LineLoopStart && $DrawLines) $Object->drawLine($Points[count($Points) - 1][0], $Points[count($Points) - 1][1], $Points[0][0], $Points[0][1], $Color);
/* Draw the lines & points */
for ($i = 0; $i < count($Points); $i++) {
if ($DrawLines && $i < count($Points) - 1) {
$Object->drawLine($Points[$i][0], $Points[$i][1], $Points[$i + 1][0], $Points[$i + 1][1], $Color);
}
if ($DrawPoints) {
$Object->drawFilledCircle($Points[$i][0], $Points[$i][1], $PointRadius, $Color);
}
if ($WriteValuesInBubble && $WriteValues) {
$TxtPos = $this->pChartObject->getTextBox($Points[$i][0], $Points[$i][1], $ValueFontName, $ValueFontSize, 0, $Points[$i][2]);
$Radius = floor(($TxtPos[1]["X"] - $TxtPos[0]["X"] + $ValuePadding * 2) / 2);
$this->pChartObject->drawFilledCircle($Points[$i][0], $Points[$i][1], $Radius + $OuterBubbleRadius, $OuterColor);
$this->pChartObject->drawFilledCircle($Points[$i][0], $Points[$i][1], $Radius, $InnerColor);
}
if ($WriteValues) {
$this->pChartObject->drawText($Points[$i][0] - 1, $Points[$i][1] - 1, $Points[$i][2], $TextSettings);
}
}
}
}
/* Draw a radar chart */
function drawPolar($Object, $Values, array $Format = [])
{
$this->pChartObject = $Object;
$FixedMax = VOID;
$AxisR = 60;
$AxisG = 60;
$AxisB = 60;
$AxisAlpha = 50;
$AxisRotation = -90;
$DrawTicks = TRUE;
$TicksLength = 2;
$DrawAxisValues = TRUE;
$AxisBoxRounded = TRUE;
$AxisFontName = isset($Format["FontName"]) ? $Format["FontName"] : $this->pChartObject->FontName;
$AxisFontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : $this->pChartObject->FontSize;
$WriteValues = FALSE;
$WriteValuesInBubble = TRUE;
$ValueFontName = $this->pChartObject->FontName;
$ValueFontSize = $this->pChartObject->FontSize;
$ValuePadding = 4;
$OuterBubbleRadius = 2;
$OuterBubbleR = VOID;
$OuterBubbleG = VOID;
$OuterBubbleB = VOID;
$OuterBubbleAlpha = 100;
$InnerBubbleR = 255;
$InnerBubbleG = 255;
$InnerBubbleB = 255;
$InnerBubbleAlpha = 100;
$DrawBackground = TRUE;
$BackgroundR = 255;
$BackgroundG = 255;
$BackgroundB = 255;
$BackgroundAlpha = 50;
$BackgroundGradient = NULL;
$AxisSteps = 20;
$SegmentHeight = SEGMENT_HEIGHT_AUTO;
$Segments = 4;
$WriteLabels = TRUE;
$LabelsBackground = TRUE;
$LabelsBGR = 255;
$LabelsBGG = 255;
$LabelsBGB = 255;
$LabelsBGAlpha = 50;
$LabelPos = RADAR_LABELS_ROTATED;
$LabelPadding = 4;
$DrawPoints = TRUE;
$PointRadius = 4;
$PointSurrounding = isset($Format["PointRadius"]) ? $Format["PointRadius"] : -30;
$DrawLines = TRUE;
$LineLoopStart = FALSE;
$DrawPoly = FALSE;
$PolyAlpha = NULL;
$FontSize = $Object->FontSize;
$X1 = $Object->GraphAreaX1;
$Y1 = $Object->GraphAreaY1;
$X2 = $Object->GraphAreaX2;
$Y2 = $Object->GraphAreaY2;
$RecordImageMap = FALSE;
/* Override defaults */
extract($Format);
($AxisBoxRounded) AND $DrawAxisValues = TRUE;
/* Cancel default tick length if ticks not enabled */
($DrawTicks == FALSE) AND $TicksLength = 0;
/* Data Processing */
$Data = $Values->getData();
$Palette = $Values->getPalette();
/* Catch the number of required axis */
$LabelSerie = $Data["Abscissa"];
if ($LabelSerie != "") {
$Points = count($Data["Series"][$LabelSerie]["Data"]);
} else {
$Points = 0;
foreach($Data["Series"] as $SerieName => $DataArray) {
(count($DataArray["Data"]) > $Points) AND $Points = count($DataArray["Data"]);
}
}
/* Draw the axis */
$CenterX = ($X2 - $X1) / 2 + $X1;
$CenterY = ($Y2 - $Y1) / 2 + $Y1;
$EdgeHeight = min(($X2 - $X1) / 2, ($Y2 - $Y1) / 2);
if ($WriteLabels) {
$EdgeHeight = $EdgeHeight - $FontSize - $LabelPadding - $TicksLength;
}
/* Determine the scale if set to automatic */
if ($SegmentHeight == SEGMENT_HEIGHT_AUTO) {
if ($FixedMax != VOID) {
$Max = $FixedMax;
} else {
$Max = 0;
foreach($Data["Series"] as $SerieName => $DataArray) {
if ($SerieName != $LabelSerie) {
if (max($DataArray["Data"]) > $Max) {
$Max = max($DataArray["Data"]);
}
}
}
}
$MaxSegments = $EdgeHeight / 20;
$Scale = $Object->computeScale(0, $Max, $MaxSegments, [1,2,5]);
$Segments = $Scale["Rows"];
$SegmentHeight = $Scale["RowHeight"];
}
/* Background processing */
if ($DrawBackground) {
$RestoreShadow = $Object->Shadow;
$Object->Shadow = FALSE;
if ($BackgroundGradient == NULL) {
$Color = ["R" => $BackgroundR,"G" => $BackgroundG,"B" => $BackgroundB,"Alpha" => $BackgroundAlpha];
$Object->drawFilledCircle($CenterX, $CenterY, $EdgeHeight, $Color);
} else {
$GradientROffset = ($BackgroundGradient["EndR"] - $BackgroundGradient["StartR"]) / $Segments;
$GradientGOffset = ($BackgroundGradient["EndG"] - $BackgroundGradient["StartG"]) / $Segments;
$GradientBOffset = ($BackgroundGradient["EndB"] - $BackgroundGradient["StartB"]) / $Segments;
$GradientAlphaOffset = ($BackgroundGradient["EndAlpha"] - $BackgroundGradient["StartAlpha"]) / $Segments;
for ($j = $Segments; $j >= 1; $j--) {
$Color = [
"R" => $BackgroundGradient["StartR"] + $GradientROffset * $j,
"G" => $BackgroundGradient["StartG"] + $GradientGOffset * $j,
"B" => $BackgroundGradient["StartB"] + $GradientBOffset * $j,
"Alpha" => $BackgroundGradient["StartAlpha"] + $GradientAlphaOffset * $j
];
$Object->drawFilledCircle($CenterX, $CenterY, ($EdgeHeight / $Segments) * $j, $Color);
}
}
$Object->Shadow = $RestoreShadow;
}
/* Axis to axis lines */
$Color = ["R" => $AxisR,"G" => $AxisG,"B" => $AxisB,"Alpha" => $AxisAlpha];
for ($j = 1; $j <= $Segments; $j++) {
$Radius = ($EdgeHeight / $Segments) * $j;
$Object->drawCircle($CenterX, $CenterY, $Radius, $Radius, $Color);
}
if ($DrawAxisValues) {
if ($LabelsBackground) {
$Options = ["DrawBox" => TRUE,"Align" => TEXT_ALIGN_MIDDLEMIDDLE,"BoxR" => $LabelsBGR,"BoxG" => $LabelsBGG,"BoxB" => $LabelsBGB,"BoxAlpha" => $LabelsBGAlpha];
} else {
$Options = ["Align" => TEXT_ALIGN_MIDDLEMIDDLE];
}
($AxisBoxRounded) AND $Options["BoxRounded"] = TRUE;
$Options["FontName"] = $AxisFontName;
$Options["FontSize"] = $AxisFontSize;
$Angle = 360 / ($Points * 2);
for ($j = 1; $j <= $Segments; $j++) {
$EdgeX1 = cos(deg2rad($Angle + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterX;
$EdgeY1 = sin(deg2rad($Angle + $AxisRotation)) * ($EdgeHeight / $Segments) * $j + $CenterY;
$Label = $j * $SegmentHeight;
$Object->drawText($EdgeX1, $EdgeY1, $Label, $Options);
}
}
/* Axis lines */
$ID = 0;
for ($i = 0; $i <= 359; $i = $i + $AxisSteps) {
$EdgeX = cos(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $TicksLength) + $CenterX;
$EdgeY = sin(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $TicksLength) + $CenterY;
$Object->drawLine($CenterX, $CenterY, $EdgeX, $EdgeY, $Color);
if ($WriteLabels) {
$LabelX = cos(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $LabelPadding + $TicksLength) + $CenterX;
$LabelY = sin(deg2rad($i + $AxisRotation)) * ($EdgeHeight + $LabelPadding + $TicksLength) + $CenterY;
$Label = $i . "°";
if ($LabelPos == RADAR_LABELS_ROTATED) {
$Align = ["Angle" => (360 - $i),"Align" => TEXT_ALIGN_BOTTOMMIDDLE];
} else {
switch (TRUE) {
case ((floor($LabelX) == floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMMIDDLE];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMLEFT];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) == floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_MIDDLELEFT];
break;
case ((floor($LabelX) > floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPLEFT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) < floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_BOTTOMRIGHT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) == floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_MIDDLERIGHT];
break;
case ((floor($LabelX) < floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPRIGHT];
break;
case ((floor($LabelX) == floor($CenterX)) && (floor($LabelY) > floor($CenterY))):
$Align = ["Align" => TEXT_ALIGN_TOPMIDDLE];
break;
}
}
$Object->drawText($LabelX, $LabelY, $Label, $Align);
}
$ID++;
}
/* Compute the plots position */
$ID = 0;
$Plot = [];
foreach($Data["Series"] as $SerieName => $DataSet) {
if ($SerieName != $LabelSerie) {
$Color = array("R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding);
foreach($DataSet["Data"] as $Key => $Value) {
$Angle = $Data["Series"][$LabelSerie]["Data"][$Key];
$Length = ($EdgeHeight / ($Segments * $SegmentHeight)) * $Value;
$X = cos(deg2rad($Angle + $AxisRotation)) * $Length + $CenterX;
$Y = sin(deg2rad($Angle + $AxisRotation)) * $Length + $CenterY;
if ($RecordImageMap) {
$this->pChartObject->addToImageMap("CIRCLE", floor($X) . "," . floor($Y) . "," . floor($PointRadius) , $this->pChartObject->toHTMLColor($Palette[$ID]["R"], $Palette[$ID]["G"], $Palette[$ID]["B"]) , $DataSet["Description"], $Data["Series"][$LabelSerie]["Data"][$Key] . "° = " . $Value);
}
$Plot[$ID][] = [$X,$Y,$Value];
}
$ID++;
}
}
/* Draw all that stuff! */
foreach($Plot as $ID => $Points) {
$Color = array("R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding);
/* Draw the polygons */
if ($DrawPoly) {
if ($PolyAlpha != NULL) {
$Color = array("R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $PolyAlpha,"Surrounding" => $PointSurrounding);
}
$PointsArray = [];
for ($i = 0; $i < count($Points); $i++) {
$PointsArray[] = $Points[$i][0];
$PointsArray[] = $Points[$i][1];
}
$Object->drawPolygon($PointsArray, $Color);
}
$Color = array("R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"],"Alpha" => $Palette[$ID]["Alpha"],"Surrounding" => $PointSurrounding);
/* Bubble and labels settings */
$TextSettings = array("Align" => TEXT_ALIGN_MIDDLEMIDDLE,"FontName" => $ValueFontName,"FontSize" => $ValueFontSize,"R" => $Palette[$ID]["R"],"G" => $Palette[$ID]["G"],"B" => $Palette[$ID]["B"]);
$InnerColor = array("R" => $InnerBubbleR,"G" => $InnerBubbleG,"B" => $InnerBubbleB,"Alpha" => $InnerBubbleAlpha);
if ($OuterBubbleR != VOID) {
$OuterColor = array("R" => $OuterBubbleR,"G" => $OuterBubbleG,"B" => $OuterBubbleB,"Alpha" => $OuterBubbleAlpha);
} else {
$OuterColor = array("R" => $Palette[$ID]["R"] + 20,"G" => $Palette[$ID]["G"] + 20,"B" => $Palette[$ID]["B"] + 20,"Alpha" => $Palette[$ID]["Alpha"]);
}
/* Loop to the starting points if asked */
if ($LineLoopStart && $DrawLines) {
$Object->drawLine($Points[count($Points) - 1][0], $Points[count($Points) - 1][1], $Points[0][0], $Points[0][1], $Color);
}
/* Draw the lines & points */
for ($i = 0; $i < count($Points); $i++) {
if ($DrawLines && $i < count($Points) - 1) {
$Object->drawLine($Points[$i][0], $Points[$i][1], $Points[$i + 1][0], $Points[$i + 1][1], $Color);
}
if ($DrawPoints) {
$Object->drawFilledCircle($Points[$i][0], $Points[$i][1], $PointRadius, $Color);
}
if ($WriteValuesInBubble && $WriteValues) {
$TxtPos = $this->pChartObject->getTextBox($Points[$i][0], $Points[$i][1], $ValueFontName, $ValueFontSize, 0, $Points[$i][2]);
$Radius = floor(($TxtPos[1]["X"] - $TxtPos[0]["X"] + $ValuePadding * 2) / 2);
$this->pChartObject->drawFilledCircle($Points[$i][0], $Points[$i][1], $Radius + $OuterBubbleRadius, $OuterColor);
$this->pChartObject->drawFilledCircle($Points[$i][0], $Points[$i][1], $Radius, $InnerColor);
}
if ($WriteValues) {
$this->pChartObject->drawText($Points[$i][0] - 1, $Points[$i][1] - 1, $Points[$i][2], $TextSettings);
}
}
}
}
}
?>