HTML5 pie graph behavior
There are some behavioral differences between the swing pie chart and the HTML5 pie chart:
Stretching. Unlike the swing pie chart (
obj_pie), the HTML5 pie chart does not stretch to an oval shape to fill the available space. Instead, the HTML5 pie chart remains round, with its diameter determined by the smaller dimension.
Tooltip. The tooltip on the HTML5 pie chart shows the label and value for a wedge, but does not show its computed percentage.