SetPieDirection — Set the direction for pie chart segments
$plot->SetPieDirection($which
)
SetPieDirection
sets the direction for segments around
a pie chart - clockwise or counter-clockwise.
$which
Indicates the direction for pie segments.
Use the string 'clockwise'
or 'CW'
to get segments in a clockwise direction.
Use the string 'counterclockwise'
or 'CCW'
to get segments in a counter-clockwise direction.
(The argument value is not case sensitive.)
The default direction is counter-clockwise.
See also SetPieStartAngle which is used to set the starting angle for the first pie segment.