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added tooltips for radar charts.

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This commit is contained in:
Martynas Mickevicius
2010-07-21 19:32:17 +03:00
parent 2f78d2d147
commit 557eb2096b
1 changed files with 36 additions and 11 deletions
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47
libraries/chart/pChart/pChart.class
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@@ -2198,6 +2198,28 @@
{ $XOffset = -$Width; }
imagettftext($this->Picture,$this->FontSize,0,$X+$XOffset,$Y+$YOffset,$C_TextColor,$this->FontName,$Label);
if ( $this->BuildMap )
{
$vecX = $X - $XCenter;
$vecY = $Y - $YCenter;
// get a perpendicular vector
$vecXtemp = $vecX;
$vecX = -$vecY;
$vecY = $vecXtemp;
// normalization
$vecLength = sqrt($vecX * $vecX + $vecY * $vecY);
$vecX = $vecX / $vecLength;
$vecY = $vecY / $vecLength;
$offset = 10;
$this->addPointToImageMap($X+$vecX*-$offset,$Y+$vecY*-$offset,$Label,'Value','Radar');
$this->addPointToImageMap($X+$vecX*+$offset,$Y+$vecY*+$offset,$Label,'Value','Radar');
$this->addPointToImageMap($XCenter+$vecX*+$offset,$YCenter+$vecY*+$offset,$Label,'Value','Radar');
$this->addPointToImageMap($XCenter+$vecX*-$offset,$YCenter+$vecY*-$offset,$Label,'Value','Radar');
}
}
}
@@ -2748,23 +2770,26 @@
}
}
if ( $this->BuildMap )
{
/* Add points to Image Map.
* The center point abd the first, middle and last of the arc is taken.
*/
foreach ($TopPlots as $key => $PointArr)
{
// last point of the arc
$this->addPointToImageMap($PointArr[count($PointArr)-4],$PointArr[count($PointArr)-3],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
foreach ($TopPlots as $key => $PointArr)
{
// last point of the arc
$this->addPointToImageMap($PointArr[count($PointArr)-4],$PointArr[count($PointArr)-3],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// the point at the middle
$this->addPointToImageMap($PointArr[0],$PointArr[1],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// the point at the middle
$this->addPointToImageMap($PointArr[0],$PointArr[1],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// firs point in the arc
$this->addPointToImageMap($PointArr[2],$PointArr[3],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// firs point in the arc
$this->addPointToImageMap($PointArr[2],$PointArr[3],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// point in the middle of the arc
$middle = count($PointArr)/2;
$this->addPointToImageMap($PointArr[$middle + ($middle % 2)],$PointArr[$middle + ($middle % 2)+1],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
// point in the middle of the arc
$middle = count($PointArr)/2;
$this->addPointToImageMap($PointArr[$middle + ($middle % 2)],$PointArr[$middle + ($middle % 2)+1],$Data[$key][$DataDescription['Values'][1]],$Data[$key][$DataDescription['Values'][0]],"Pie");
}
}
/* Draw Top polygons */