% Created 2011-05-03 Tue 14:50
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\title{}
\author{FOSSEE}
\date{2010-10-11 Mon}

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\begin{document}











\begin{frame}

\begin{center}
\textcolor{blue}{Saving Plots}
\end{center}
\begin{center}
\includegraphics[scale=0.25]{../images/iitb-logo.png}\\
Developed by FOSSEE Team, IIT-Bombay. \\ 
Funded by National Mission on Education through ICT

MHRD, Govt. of India
\end{center}
\end{frame}
\begin{frame}
\frametitle{Objectives}
\label{sec-2}

  At the end of this tutorial, you will be able to,

\begin{itemize}
\item Save plots using ``savefig()`` function.
\item Save plots in different formats.
\end{itemize}
  
\end{frame}
\begin{frame}[fragile]
\frametitle{Creating a basic plot}
\label{sec-3}

  Plot a sine wave from -3pi to 3pi.
\lstset{language=Python}
\begin{lstlisting}
In []: x = linspace(-3*pi,3*pi,100)

In []: plot(x, sin(x))
\end{lstlisting}
\end{frame}
\begin{frame}[fragile]
\frametitle{savefig()}
\label{sec-4}
\begin{itemize}

\item savefig() - to save plots
\label{sec-4_1}%
\begin{verbatim}
    syntax: savefig(fname)
\end{verbatim}


\item example
\label{sec-4_2}%
\begin{itemize}

\item savefig('/home/fossee/sine.png')\\
\label{sec-4_2_1}%
\begin{itemize}
\item file sine.png saved to the folder /home/fossee
\item .png - file type
\end{itemize}

\end{itemize} % ends low level
\end{itemize} % ends low level
\end{frame}
\begin{frame}
\frametitle{More on savefig()}
\label{sec-5}
\begin{itemize}

\item Recall\\
\label{sec-5_1}%
\begin{itemize}
\item .png - file type
\end{itemize}

\item File types supported
\label{sec-5_2}%
\begin{itemize}

\item .pdf - PDF(Portable Document Format)\\
\label{sec-5_2_1}%
\item .ps - PS(Post Script)\\
\label{sec-5_2_2}%
\item .eps - Encapsulated Post Script\\
\label{sec-5_2_3}%
\verb~to be used with~ \LaTeX{} \verb~documents~

\item .svg - Scalable Vector Graphics\\
\label{sec-5_2_4}%
\verb~vector graphics~

\item .png - Portable Network Graphics\\
\label{sec-5_2_5}%
\verb~supports transparency~
\end{itemize} % ends low level
\end{itemize} % ends low level
\end{frame}
\begin{frame}
\frametitle{Exercise 1}
\label{sec-6}

  Save the sine plot in the format EPS which can be embedded in \LaTeX{} documents.
\end{frame}
\begin{frame}
\frametitle{Exercise 2}
\label{sec-7}

  Save the sine plot in PDF, PS and SVG formats.
\end{frame}
\begin{frame}
\frametitle{Summary}
\label{sec-8}

  In this tutorial, we have learnt to –

\begin{itemize}
\item Save plots using the ``savefig()`` function.
\item Save the plots in differnt formats.
\begin{itemize}
\item pdf
\item ps
\item png
\item svg
\item epg
\end{itemize}
\item Locate files in the file system.
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Acknowledgement}
\label{sec-9}

  \begin{block}{}
  \begin{center}
  \textcolor{blue}{\Large THANK YOU!} 
  \end{center}
  \end{block}
\begin{block}{}
  \begin{center}
    For more Information, visit our website\\
    \url{http://fossee.in/}
  \end{center}  
  \end{block}
\end{frame}
\end{frame}

\end{document}