plot wide range of data with PSTricks

Question

I want to use PSTricks in order to plot data in a file. In general I know how to do it but the problem now is that these data run from x=-2000...2000 and y=1.e-10...1e-3 so I get the "too large" error. When I try to change the data or the axis, I have a new problem: I can't get the right ticks. Does any body have a solution to this problem?

Answer 1

you can scale points different to the coordinates values:

\documentclass{report}
\usepackage{pst-plot}

\begin{document}
\def\demoValues{-2000 1.e-10 -1000 1.e-5 0 0 1000 1.e-4 2000 1.e-3}
\begin{psgraph}[arrows=->,ticksize=0 5pt,
  Dy=0.2,
  xlabelFactor=\cdot10^3,
  ylabelFactor=\cdot10^{-3},
  ](0,0)(-2.2,-0.1)(2.2,1.1){7cm}{7cm}
  \pstScalePoints(1,1){1000 div}{1.e3 mul}
  \listplot[plotstyle=dots,dotstyle=x,dotscale=2,linecolor=red]
  {\demoValues}
\end{psgraph}
\end{document}

Using a log axis for y may make sense here.

Answer 2

If you use pgfplots, there's no need to scale the data manually, it handles the scaling automatically:

\documentclass{article}
\usepackage{pgfplots}

\begin{document}
\begin{tikzpicture}
\begin{axis}
\addplot table {
-2000 1e-10
-1000 1e-5
0 0
1000 1e-4
2000 1e-3
};
\end{axis}
\end{tikzpicture}
\end{document}
\end{document}