asymptote or tikz?

[abdelkader belahcene <abelahcene@gmail.com>]

Hi,
I want to produce graphics to include them in latex, I used at now xfig,  but I something more automatic, which one is better  and maybe in which case,  asymptote or tikz , may be another one ??

If somebody tried  them .
Thanks for hints, and help

best regards
bela