On 1/9/2015 8:07 PM, Fabrice Couvreur wrote:

Hi, I discovered some macro Metafun particular. I then wanted to outline, but it does not fit with the boundary of the quadrant. Can I have some explanation? Best regards, Fabrice

\starttext \startMPcode u:=1cm ; pickup pencircle scaled 1pt ; fill ulcircle scaled 8u withcolor lightgray ; fill llcircle scaled 2u shifted (1u,0) withcolor lightgray ; fill lrcircle scaled 4u shifted (1u,1u) withcolor lightgray ; fill urcircle scaled 6u shifted (0,1u) withcolor lightgray ; label.lft(btex $x$ etex, (0,0.5u)) ; fill unitsquare scaled 1u withcolor lightgray ; draw unitsquare scaled 1u ; draw (-4u,0)--(0,0) dashed evenly ; draw (0,1u)--(0,4u) dashed evenly ; draw (1u,1u)--(3u,1u) dashed evenly ; draw (1u,0)--(1u,-1u) dashed evenly ; draw (-4u,0){up}..(0,4u)..(3u,1u){down} ; \stopMPcode \stoptext

think different ... \starttext \startMPcode u:=1cm ; pickup pencircle scaled 1pt ; path p ; p := ulcircle scaled 8u ; fill p withcolor red ; path q ; q := llcircle scaled 2u shifted (1u,0) ; fill q withcolor green ; path r ; r := lrcircle scaled 4u shifted (1u,1u); fill r withcolor blue ; path s ; s := urcircle scaled 6u shifted (0,1u) ; fill s withcolor yellow ; label.lft(btex $x$ etex, (0,0.5u)) ; fill unitsquare scaled 1u withcolor lightgray ; draw unitsquare scaled 1u ; draw (subpath (2,3) of p) dashed evenly ; draw (subpath (2,3) of q) dashed evenly ; draw (subpath (2,3) of r) dashed evenly ; draw (subpath (2,3) of s) dashed evenly ; draw (subpath (4,5) of p) dashed evenly withcolor green ; \stopMPcode \stoptext ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------