These pages outline the chart configuration options, and the methods and properties of Highcharts objects.
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Specifies the method that is used to generate the connector path.
Highcharts provides 3 built-in connector shapes:
'crookedLine' has the most sense (in most of the cases) when
'alignTo' is set.
Users can provide their own method by passing a function instead of a String. 3 arguments are passed to the callback:
Object that holds the information about the coordinates of the
y properties) and how the label is located in
relation to the pie (
alignment can by
one of the following:
'left' (pie on the left side of the data label),
'right' (pie on the right side of the data label) or
'center' (data label overlaps the pie).
Object that holds the information about the position of the
touchingSliceAt porperty tells the position
of the place where the connector touches the slice.
Data label options
The function has to return an SVG path definition in array form (see the example).