On 11/3/2020 12:59 PM, Jairo A. del Rio wrote:
Hi everyone. I want to know if nowadays (2020) Metafun is able to do an
actual unfill, like above:
https://tex.stackexchange.com/questions/151068/how-can-i-fill-a-complex-path-with-metapost-metafun/218718#218718
Example of what I want to do:
\startMPpage
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
\stopMPpage
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.
\startMPpage
path A; A := (unitcircle shifted (-center unitcircle)) scaled 4cm;
path B; B := (unitcircle shifted (-center unitcircle)) scaled 1cm;
path C; C := B shifted (left*1.4cm);
nofill A; nofill B; eofill C;
\stopMPpage
to be wikified
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