می توانید از اشکال tikz به صورت زیر استفاده کنید:
\documentclass{report}
\usepackage{tikz}
\usepackage{xepersian}
\usetikzlibrary{arrows}
\settextfont{XB Niloofar}
\begin{document}
\begin{tikzpicture}
\node at (0,0) {\includegraphics[width=\textwidth]{./init_outwards.eps}};
\node at (1.5,1.7)[rotate=45] {$R=10$};
\draw [black,very thick, ->,>=stealth] (0.4,0.25) -- (2.6,2.6);
\end{tikzpicture}
\end{document}
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