From: Hans Hagen via ntg-context <ntg-context@ntg.nl>
To: Aditya Mahajan via ntg-context <ntg-context@ntg.nl>
Cc: Hans Hagen <j.hagen@xs4all.nl>
Subject: Re: MetaPost cutdraw
Date: Wed, 6 Jul 2022 09:15:28 +0200 [thread overview]
Message-ID: <9bcb17da-11c4-8afe-f5a5-d6274d5e1e92@xs4all.nl> (raw)
In-Reply-To: <nycvar.YAK.7.78.908.2207060107170.406788@nqv-guvaxcnq>
On 7/6/2022 7:10 AM, Aditya Mahajan via ntg-context wrote:
> On Wed, 6 Jul 2022, Henning Hraban Ramm via ntg-context wrote:
>
>> Hi, I’m trying to understand MetaPost better.
>>
>> I’d like to draw a fat line that’s cut at its end points.
>
> You mean like linecap = butt?
>
> \startMPpage[offset=5mm]
> path p;
>
> p := origin -- (7cm,0);
> interim linecap := butt;
> draw p withpen pencircle scaled 5mm;
>
> p := p shifted (0,2cm);
> interim linecap := rounded;
> draw p withpen pencircle scaled 5mm;
>
> p := p shifted (0,2cm);
> interim linecap := squared;
> draw p withpen pencircle scaled 5mm;
>
> \stopMPpage
>
>> I learned, “cutdraw” should do the trick, but I get a parallelogram
>> instead of a rectangle.
>
> Seems to be something weird with pensquare:
>
> \startMPpage[offset=5mm]
> path p;
>
> p := origin -- (7cm,0);
> % interim linecap := butt;
> cutdraw p withpen pensquare scaled 5mm;
>
> p := p shifted (0,2cm);
> interim linecap := rounded;
> draw p withpen pensquare scaled 5mm;
>
> p := p shifted (0,2cm);
> interim linecap := squared;
> draw p withpen pensquare scaled 5mm;
>
> \stopMPpage
\startMPpage[offset=5mm]
path p;
p := origin -- (7cm,0);
interim linecap := squared;
draw p withpen ((pensquare ) scaled 5mm) withcolor red ;
draw envelope ((pensquare ) scaled 5mm) of p withcolor
green ;
draw envelope ((pensquare rotated eps) scaled 5mm) of p withcolor
blue ;
\stopMPpage
(there is an "ontarget" chapter about envelopes; mikael and i spent
quite some time figuring out a few things but in the end conclused that
mp des the right thing given the strategy it folows but it definitely
has side effects)
Hans
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next prev parent reply other threads:[~2022-07-06 7:15 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 22:10 Henning Hraban Ramm via ntg-context
2022-07-06 5:10 ` Aditya Mahajan via ntg-context
2022-07-06 7:15 ` Hans Hagen via ntg-context [this message]
2022-07-06 9:27 ` Henning Hraban Ramm via ntg-context
2022-07-06 21:04 ` Mikael Sundqvist via ntg-context
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