[Xy-pic] a question about \xygraph
Ross Moore
ross.moore at mq.edu.au
Wed Jun 2 00:30:31 CEST 2010
Hello Felipe,
On 02/06/2010, at 2:47 AM, Felipe GAYOSSO MARTINEZ wrote:
> Hello xy-p mailing list!
>
> Recently I have installed the xy-pic package on a pc with f12. The
> compilation of the following code doesnt show the pdf from the
> author. Specifically the mistake is in names "a_1",..."b_5" and its
> edges "a1"-"a3", because if i coment the name and edge
> assignations, the compilation works.
>
> \[ \fbox{ \xygraph{
> !{<0cm,0cm>;<0cm,1cm>:<-1cm,0cm>::}
> !{(0,0);a(0)**{}?(1.0)}*{\bullet}="a1"
> !{(0,0);a(72)**{}?(1.0)}*{\bullet}="a2"
> !{(0,0);a(144)**{}?(1.0)}*{\bullet}="a3"
> !{(0,0);a(216)**{}?(1.0)}*{\bullet}="a4"
> !{(0,0);a(288)**{}?(1.0)}*{\bullet}="a5"
> !{(0,0);a(0)**{}?(1.8)}*{\bullet}="b1"
> !{(0,0);a(72)**{}?(1.8)}*{\bullet}="b2"
> !{(0,0);a(144)**{}?(1.8)}*{\bullet}="b3"
> !{(0,0);a(216)**{}?(1.8)}*{\bullet}="b4"
> !{(0,0);a(288)**{}?(1.8)}*{\bullet}="b5"
> "a1"-"a3" "a3"-"a5" "a5"-"a2" "a2"-"a4" "a4"-"a1"
> "b1"-"b2" "b2"-"b3" "b3"-"b4" "b4"-"b5" "b5"-"b1"
> "a1"-"b1" "a2"-"b2" "a3"-"b3" "a4"-"b4" "a5"-"b5"
> } } \]
This coding works absolutely fine for me, producing
the (Petersen ?) graph in the attached image.
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>
> some from the .bug file :
>
> ! Use of \next@ doesn't match its definition.
> <argument> ....2cm>::} !{(0,0) }*+{\bullet _{a}}="
> a" !{(1,1) }*+
> {\bullet _{b...
This error message cannot come from the example above.
You haven't used *+{\bullet _{a}} or !{(1,1) } anywhere.
One possibility is that you have got some mis-matched "..."
within your source. What we see in the error message is the
*closing* quote, where the opening quote was much earlier,
at the beginning of the leading dots in:
....2cm>::} !{(0,0) }*+{\bullet _{a}}="
This string could be very long, indeed it is being used
as the <argument> for some Xy-pic internal macro.
I'm pretty sure that is not what you had intended.
>
>
>
> If anybody have any suggestion, its good.
> Many thanks in advance.
> Felipe.
Hope this helps,
Ross
------------------------------------------------------------------------
Ross Moore ross.moore at mq.edu.au
Mathematics Department office: E7A-419
Macquarie University tel: +61 (0)2 9850 8955
Sydney, Australia 2109 fax: +61 (0)2 9850 8114
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