[Xy-pic] Background colour
Damjan Perenic
damjan.perenic at guest.arnes.si
Mon Feb 21 11:22:50 CET 2011
I am new to xy-pic and I quite like it. But I hit one problem which I
cannot figure out how to do it. I spent (way too) many hours searching
the web and trying various combinations, but failed.
I have following code:
\begin{displaymath}
\entrymodifiers={=<0.5pc>++[o][F-]}
\xymatrix at C=1pc @R=3pt {
*{r} & *{s} & *{t} & *{u} \\
\infty & *++[F*:yellow]\txt{0} & \infty & \infty \\
*+<1pc>{} \\
\infty & \infty & \infty & \infty \\
*{v} & *{w} & *{x} & *{y}
}
\end{displaymath}
Here is the output of the above block:
http://dl.dropbox.com/u/5378579/xy-pic.png
Where you see zero, I would like to get a circle like elsewhere, just
background should be Yellow.
If I change *++[F*:yellow]\txt{0} to *++[Fo*:yellow]\txt{0}, I get
just a plain 0, without any circle at all.
If I change it to *++[Fo:yellow]\txt{0}, I get a yellow circle, but as
expected, with a white background.
I am using pdfTeX, Version 3.1415926-1.40.11 and Xy-pic version 3.8.2.
I would appreciate if somebody point me out how to make a circle with
yellow background.
Thank you in advance.
Damjan
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