[NTG-context] About filling paths, unfill, etc.

Jairo A. del Rio jairoadelrio6 at gmail.com
Tue Nov 3 12:59:33 CET 2020

Hi everyone. I want to know if nowadays (2020) Metafun is able to do an
actual unfill, like above:


Example of what I want to do:


path A, B, C;

A := unitcircle shifted (-center unitcircle);

A := A scaled 4cm;

B := unitcircle shifted (-center unitcircle);

B := B scaled 1cm;

%C := (reverse B) shifted (left*1.4cm);

%It works for two paths

fill (reverse B)-- A -- cycle withcolor red;

%fill A -- (reverse B) -- C -- cycle withcolor red;

%When I try the same with three paths, a thin, unwanted line appears


I'm aware of unfill and I've read somewhere else about using pens instead,
but I want to know if a better solution is possible. Thank you in advance.


Jairo :)
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