I have an eps figure with x- and-ylabels set to a,b,c,d, and e, corresponding to -pi through pi in increments of pi/2 (see example and attachment). I also have x and y axes labeled X and Y, respectively. When I try to replace these with greek symbols \pi or \Delta, I get unexpected symbols. This is using the asme2e class. Article class works fine. Any clue why this happens?
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Code, edit and compile here:
\documentclass{asme2e} %if this is {article}, no problems\usepackage{graphicx}\usepackage{etex}\usepackage[latex={-interaction=nonstopmode},crop=off,runs=2]{auto-pst-pdf}\usepackage{psfrag}\begin{document}\begin{figure}[t]\begin{center}\psfrag{a}[][][1]{$-\pi$}\psfrag{b}[][][1]{$-\pi/2$}\psfrag{c}[][][1]{$0$}\psfrag{d}[][][1]{$\pi/2$}\psfrag{e}[][][1]{$\pi$}\psfrag{X}[][][1]{$\Delta x$}\psfrag{Y}[][][1]{$\Delta y$}\includegraphics{peaks.eps}\end{center}\end{figure}\end{document}