333 \end{block}

   333 \end{block}

   334 

   334 

   335 \begin{columns}

   335 \begin{columns}

   336     \column{0.6\textwidth}

   336     \column{0.6\textwidth}

   337  \includegraphics[height=2in, interpolate=true]{data/position}  

   337  \includegraphics[height=2in, interpolate=true]{data/position}  

   341 \column{0.45\textwidth}

   338 \column{0.45\textwidth}

   342 \vspace{-0.2in}

   339 \vspace{-0.2in}

   343 \begin{lstlisting}

   340 \begin{lstlisting}

   352 \end{lstlisting}

   344 \end{lstlisting}

   353 \end{columns}

   345 \end{columns}

   354 \end{frame}

   346 \end{frame}

   355 

   347 

   356 %% \begin{frame}[fragile]

   348 %% \begin{frame}[fragile]