% Created 2010-10-11 Mon 17:08

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\title{Savefig}

\author{FOSSEE}

\date{2010-10-11 Mon}

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\begin{document}

\maketitle

\begin{frame}

\frametitle{Outline}

\label{sec-1}

\begin{itemize}

\item Saving plots.

\item Plotting in different formats.

\item Locating the file in the file system.

\end{itemize}

\end{frame}

\begin{frame}[fragile]

\frametitle{Creating a basic plot}

\label{sec-2}

  Plot a sine wave from -3pi to 3pi.

\begin{verbatim}

In []: x = linspace(-3*pi,3*pi,100)

In []: plot(x, sin(x))

\end{verbatim}

\end{frame}

\begin{frame}[fragile]

\frametitle{savefig()}

\label{sec-3}

\begin{itemize}

\item savefig() - to save plots

\label{sec-3_1}%

\begin{verbatim}

    syntax: savefig(fname)

\end{verbatim}

\item example

\label{sec-3_2}%

\begin{itemize}

\item savefig('/home/fossee/sine.png')

\label{sec-3_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-4}

\begin{itemize}

\item Recall

\label{sec-4_1}%

\begin{itemize}

\item .png - file type

\end{itemize}

\item File types supported

\label{sec-4_2}%

\begin{itemize}

\item .pdf - PDF(Portable Document Format)\\

\label{sec-4_2_1}%

\item .ps - PS(Post Script)\\

\label{sec-4_2_2}%

\item .eps - Encapsulated Post Script\\

\label{sec-4_2_3}%

\texttt{to be used with} \LaTeX{} \texttt{documents}

\item .svg - Scalable Vector Graphics\\

\label{sec-4_2_4}%

\texttt{vector graphics}

\item .png - Portable Network Graphics\\

\label{sec-4_2_5}%

\texttt{supports transparency}

\end{itemize} % ends low level

\end{itemize} % ends low level

\end{frame}

\begin{frame}

\frametitle{Exercise 1}

\label{sec-5}

  Save the sine plot in the format EPS which can be embedded in \LaTeX{} documents.

\end{frame}

\begin{frame}[fragile]

\frametitle{Solution 1}

\label{sec-6}

\begin{verbatim}

savefig('/home/fossee/sine.eps')

\end{verbatim}

\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}

  You should now be able to

\begin{itemize}

\item Use \texttt{savefig()} function

\item Save plots in different formats

\begin{itemize}

\item PDF

\item PS

\item PNG

\item SVG

\item EPS

\end{itemize}

\item Locating the files in file system.

\end{itemize}

\end{frame}

\begin{frame}

\frametitle{Thank you!}

\label{sec-9}

  \begin{block}{}

  \begin{center}

  This spoken tutorial has been produced by the

  \textcolor{blue}{FOSSEE} team, which is funded by the 

  \end{center}

  \begin{center}

    \textcolor{blue}{National Mission on Education through \\

      Information \& Communication Technology \\ 

      MHRD, Govt. of India}.

  \end{center}  

  \end{block}

\end{frame}

\end{document}