[NTG-context] MetaPost cutdraw
Henning Hraban Ramm
texml at fiee.net
Wed Jul 6 11:27:09 CEST 2022
Am 06.07.22 um 09:15 schrieb Hans Hagen via ntg-context:
> 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?
Yes, but that doesn’t behave differently.
> 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 ;
> (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)
Thank you for the insight, but does that mean I can’t get my “butt
capped” lines and I must shorten the lines by half the pen size?
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