I've been trying to plot data using the tikz \datavisualization command as per
the example in the tikz manual, section V. E.g.,
\begin{tikzpicture}[scale=.5]
\datavisualization [school book plot,smooth]
data [format=function] {
var x : interval [-2:2];
func y = \value x*\value x;
};
\end{tikzpicture}
should produce a nice quadratic function. However, I'm getting errors that say
\datavisualization is an undefined control sequence. I've tried using
\usetikzlibrary{} for anything I can see involving plotting, but that doesn't
seem to help.
Is this functionality still very much under development? Should I research
using the pgfplot package instead, as there seems to be a lot of discussion
about it on this mailing list? I'm a little cautious about doing this as I
want to move away from gnuplot.
Thanks,
Paul Weaver
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