I can't draw planes simple curves (other than circles or ellipses), closed as these enter image description here

  • Possible duplicate: tex.stackexchange.com/questions/17181/… – Andrew Jun 18 '15 at 10:13
  • Excuse me, I think the curves drawn there are curves in spaces – benedito Jun 18 '15 at 10:28
  • @Andrew I'd say no: knots and curves are not the same thing. – egreg Jun 18 '15 at 10:29
  • In Metapost the first one is as simple as drawarrow origin {left} .. 34 down {right} .. 10 up .. 21 down .. cycle; Can you do something like that in TikZ with the hobby package? – Thruston Jun 18 '15 at 11:42
  • 1
    @Thruston Yes. Posted an answer with that. – Alenanno Jun 18 '15 at 13:52

As it was suggested to you in the comments, you can use the hobby Tikz library and use the option [closed hobby] in the draw options. Notice that it follows the same syntax of a plot by using coordinates (it is a plot, after all).


figure 1



\draw[closed hobby] plot coordinates {(0,0) (1,1) (0,1) (.5,.3) (.5,.7) (0,0)};

\draw[closed hobby] plot coordinates {(0,0) (1,1) (2,0) (2,1)};

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