Neco do metapostu

[Vit Zyka]

Matej Kosik wrote:
> pustofkj at inf.upol.cz wrote:
>> Zdravim,... mam problem, v metapostu chci postupne vytvorit obrazek,...
>> dam tedy:
>> picture pic, pic1, pic2, pic3;
>> pic1:=nullpicture;
>> addto pic1 .........;
>>
>> pic2:=mullpicture;
>> addto pic2 .........;
>>
>> pic:=nullpicture;
>> addto pic also pic1;
>> addto pic also pic2;
>> addto pic also pic3;
>>
>> a ted je tu ten problem... pic3 by mel vypadat nejak takto:
>> pair a, b, c, d;
>> numeric s;
>> a := (25mm,0);
>> b := (0,50mm);
>> c := (-25mm,0);
>> d := (0,-50mm);
>> s := 0.6;
>> superellipse(a,b,c,d,s);
>> a mel by byt vybarveny zlute... kdyz ale dam "addto pic3 contour
>> superellipse(a,b,c,d,s);", tak to haze bug, nehlede na to, ze to chci
>> vyplnene tou zlutou barvou... jak na to, aby to vse fungovalo tak jak ma?
>> Dekuji.
>
> Nie je jasne, co sa snazite nakreslit, ale
> zltu elipsu by som kreslil nejako takto:
>
>     u := 1cm;
>     fill (2u,0)..(0,u)..(-2u,0)..(0,-u)..cycle withcolor green+red;

nebo strucneji

fill fullcircle xscaled 2cm yscaled 1cm withcolor green+red;

Vit Zyka