From: Hans Hagen <j.hagen@xs4all.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>,
"Jairo A. del Rio" <jairoadelrio6@gmail.com>
Subject: Re: About filling paths, unfill, etc.
Date: Tue, 3 Nov 2020 13:29:11 +0100 [thread overview]
Message-ID: <6006d2f7-7658-98b3-b50c-c10fae910920@xs4all.nl> (raw)
In-Reply-To: <CAKyqqabRn55HPL0ELmsTFjEHAihxdcx42VpWUh7i=fUZkw1giw@mail.gmail.com>
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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next prev parent reply other threads:[~2020-11-03 12:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 11:59 Jairo A. del Rio
2020-11-03 12:29 ` Hans Hagen [this message]
2020-11-03 13:09 ` Jairo A. del Rio
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