> Unfortunately pic chops broken lines into separate segments,
> so it can't directly fill general polygons.
But then again, the nice thing about pic doing this is that
its dashed lines always begin and end with a stroked segment.
Many programs don't get this right.
And the nice thing about usi
; has a short description of how filling conceptually works
> (Section 4.5.2, "Filling"). There's actually two different
> algorithms that can be selected, "non-zero winding rule"
> or "even-odd rule", which can give different results under
> certain circumstances, such as self-intersecting paths or
> paths consisting of multiple sub-paths. However, in the
> case of your bowtie, both render the same.
>
>
>
>
>
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>
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> End of groff Digest, Vol 239, Issue 2
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