limit to PDF and PNG

Author: rsbivand

author-guide.pdf

@@ -130,7 +130,7 @@ \section{Preparing a submission}
   \item \file{RJwrapper.pdf}
   \item \file{yourname.tex}
   \item \file{yourname.bib}
-  \item all necessary figure files
+  \item all necessary figure files (only PDF or PNG files are accepted)
   \item an R script permitting the reproduction of examples in your submission and small data files --- use built-in data sets where sensible, see below. 
   \item Do not include \file{RJournal.sty} or style files for other latex packages needed by your article.
   \end{itemize}
@@ -354,18 +354,20 @@ \section{Figures and tables}
 A simple table with booktabs formatting.}
 \end{table}
 
+Figures should be submitted as PDF or PNG format files; other formats are not accepted.
+
 Variants of the figure and table environments that span the full width of the document are avialable: these are called \verb|widefigure| and \verb|widetable|.  Figures~\ref{fig:regular} and \ref{fig:wide} show the difference between the regular and wide figure variants.
 
 \begin{figure}[htbp]
-  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.jpg}%
-  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.jpg}
+  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.png}%
+  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.png}
   \caption{This figure should be the same width as the text.}
   \label{fig:regular}
 \end{figure}
 
 \begin{widefigure}[htbp]
-  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.jpg}%
-  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.jpg}
+  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.png}%
+  \includegraphics[width=0.5\linewidth]{tests/wild_blackberries.png}
   \caption{This figure should span the page, but the caption should be the same width as the text. Use this environment sparingly}
   \label{fig:wide}
 \end{widefigure}