Hi Hans,
Thank you for this solution which is an approach that I did not know.
Fabrice

PS : What is the exact meaning of the word "blobs" because my English is
average ?

Le mar. 27 sept. 2022 à 22:04, Hans Hagen via ntg-context <
ntg-context@ntg.nl> a écrit :

> On 9/27/2022 7:49 PM, Fabrice Couvreur via ntg-context wrote:
> > Hello,
> > I notice a strange behavior of the macro numberstriped ( ).
> > Thanks.
> > Fabrice
> >
> > \starttext
> >   \switchtobodyfont[9pt]
> >   \startMPcode
> >
> >    path p, q, r, b ;
> >    p  := unitsquare xyscaled (4cm,4cm) ;
> >    z[0] = (2cm,0cm) ;
> >    z[1] = (2cm,4cm) ;
> >    z[2] = (0cm,2cm) ;
> >    q := llcorner p--z[0]--z[1]--z[2]--cycle ;
> >    r := unitsquare xyscaled (1cm,1cm) shifted(0,3cm) ;
> >    b := unitsquare xyscaled (3cm,3cm) shifted(1cm,0) ;
> >    draw p ;
> >    draw r withcolor red;
> >    draw r numberstriped (.25,20,5) withcolor magenta ;
> >    draw b numberstriped (.25,20,5) withcolor magenta ;
> >    label.llft("D", p) ;
> >    label.lrt("C", p) ;
> >    label.ulft("A", p) ;
> >    label.urt("B", p) ;
> >    label.urt("P", lrcorner r) ;
> >    label.lft("Q", llcorner r) ;
> >    label.top("M", urcorner r) ;
> >
> >    \stopMPcode
> > \stoptext
> you need to find a volunteer to make the pattern have the two corner  blobs
>
> \starttext
>
> \startMPcode
>      path p, q, r, b ;
>      path p ; p  := unitsquare xyscaled (4cm,4cm) ;
>      draw p ;
>      draw p
>          withpattern image (
>              draw (llcorner unitsquare -- urcorner unitsquare) scaled 5mm ;
>              % how to get the corner dots
>          )
>          withpatternscale 1/16
>          withpen pencircle scaled 1mm
>      ;
> \stopMPcode
>
> \stoptext
>
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
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