The winding rule specifies how the interior of a path is determined. There are two types of winding rules: EVEN_ODD and NON_ZERO.
winding rule
One of the limitations of shapes in HTML 5 canvas is that only one fill rule is supported, which can lead to shapes not... This is part 2 on this subject. If you haven’t already read it, please read part 1 to understand the winding problem. So to... When filling shapes in PDFs (and lots of other technologies) you get a choice between using the Even-Odd or the Non-Zero winding rule. For... 