[NTG-context] path in LuaMetaFun

Hans Hagen j.hagen at xs4all.nl
Sat Feb 20 13:28:50 CET 2021


On 2/20/2021 1:19 PM, Pablo Rodriguez wrote:
> On 2/20/21 12:59 PM, Pablo Rodriguez wrote:
>> [...]
>> Which is the right way to close the path or what am I missing?

control points that determine the way curves are made

> I see that cycle is the way to go:

indeed

>   \starttext
>   \startmakeup[page][align=middle]
>   \dontleavehmode
>   \startMPcode{doublefun}
>    path p ; p := (0,0)..(3,3.5)..(9,-3.5)..(12,0)..(9,3.5)..(3,-3.5)..(0,0);
>    draw p xsized .9TextWidth withcolor .625red;
>    path p ; p := (0,0)..(3,3.5)..(9,-3.5)..(12,0)..(9,3.5)..(3,-3.5)..cycle;
>    draw p xsized .9TextWidth ;
>   \stopMPcode
>   \stopmakeup
>   \stoptext
> 
> Closing without cycle gives an asymetrical path. I’d rather say it is
> wrong, but this is all Greek to me.
> 
> On the other side, I’m afraid that cycle has problems with lmt_followtext.
could be, i'm playing a bit with the converter and introduced a issue 
but that will be fixed in the next upload

(i want the metafun manual to run ok in lmtx, also performance wise, 
read: faster)

Hans

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