Hi
On Mon, Dec 2, 2024 at 1:57 PM Jeong Dal via ntg-context
<ntg-context@ntg.nl> wrote:
>
> Dear all,
>
> I’d like to hide a part of a path.
>
> I can do that after changing it into an image, but it is not clearly erased.
> Is there a way to do that not changing it into an image?
> Thank you for reading.
>
> Best regards,
>
> Dalyoung
>
> \startMPcode
> path p,q;
> picture pic;
> numeric u; u:= 1cm;
>
> p := origin--(2u,0)--(3u,u)--(3u,0)--(4u,0);
> q := (3u,u)--(3u,0);
> pic := image(draw p; draw q withcolor white;);
>
> draw pic;
> \stopMPcode
It is not clear how general you want this to be. For your example you
can draw only the parts of p you need.
\startMPpage[offset=1DK]
path p,q;
picture pic;
numeric u; u:= 1cm;
p := origin--(2u,0)--(3u,u)--(3u,0)--(4u,0);
q := (3u,u)--(3u,0);
% pic := image(draw p; draw q withcolor white;);
% draw pic;
draw p withpen pencircle scaled 4 ;
draw subpath (0,2) of p
&& subpath (3,4) of p
withpen pencircle scaled 2
withcolor yellow ;
\stopMPpage
If you need to "cut" in a more advanced way, I suggest to give such an example.
/Mikael
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