[Xy-pic] loops of different sizes?

Richard Lewis xypic at rtf.org.uk
Wed Oct 8 17:39:55 CEST 2003

Jürgen Koslowski <koslowj at iti.cs.tu-bs.de> writes:

> Hello,
> Here is a little problem that has been bugging me for quite a while, but
> never enough to do something about it.
> When drawing loops with the construct \ar@(ul,ur)^a"A";"A", I can
> influence the shape of the loop by varying the arguments in
> parenthesis, but I cannot seem to modify the size of the loop.
> Sometimes, \eg, when drawing automata with circled states, the loops are
> too small.  And now I wish to draw several loops of growing size based at
> the same vertex.  In order to enlarge individual loops I have already used
> auxiliary points, but for several loops this becomes very inconvenient.
> Any ideas?

                       "#1s" :@(dl,dr) "#2t"}
  \xygraph{ A  :@(dl,dr)"A"            %innermost loop
           "s" :@(dl,dr) "t"           %loop 2
           []!Lst                      %loop 3

Keep adding s and t's to get more loops

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