[F20] Font rendering problem in PDF obtained with dvipdf and dvipdfm

[sguazt <marco.guazzone@xxxxxxxxx>]

Hello,

I have a font rendering problem after transforming a DVI file into a PDF file by means of dvipdf or dvipdfm.

The DVI file is created by means of latex from the following 'test.tex' file:

---[test.tex]---
\documentclass{article}
\usepackage{graphicx}
\begin{document}
\section{A Section}
See Figure \ref{fig}.
\begin{figure}
\centering
\includegraphics[scale=.80]{test.eps}
\caption{A figure}\label{fig}
\end{figure}
\end{document}

---[/test.tex]

where the EPS figure 'test.eps' is generated by means of R from the following 'test.R' file:

---[test.R]---
x <- -4:4
y <- x^2
setEPS()
postscript(paste("chart.eps",sep=""),height=4,width=6)
plot(x,y, type="b", xlab=_expression_(paste(Delta, t)), ylab=_expression_(paste(Delta, t)^2))
grid()
dev.off()
---[/test.R]---

The font rendering problem is in the PDF rendering of the EPS figure, where in place of the greek symbol "Delta" I get a crossed circle.

Note that the rendering problem does not affect the DVI file, but only the PDF file resulting from converting the DVI with dvipdf or dvipdfm.

I don't know why this happen.

Any idea on how to fix it?

Thanks!

Best,

-- Marco

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