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% Tutorial slides on Python.

%

% Author: Prabhu Ramachandran <prabhu at aero.iitb.ac.in>

% Copyright (c) 2005-2009, Prabhu Ramachandran

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% Modified from: generic-ornate-15min-45min.de.tex

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\usepackage[english]{babel}

\usepackage[latin1]{inputenc}

%\usepackage{times}

\usepackage[T1]{fontenc}

% Taken from Fernando's slides.

\usepackage{ae,aecompl}

\usepackage{mathpazo,courier,euler}

\usepackage[scaled=.95]{helvet}

\definecolor{darkgreen}{rgb}{0,0.5,0}

\usepackage{listings}

\lstset{language=Python,

    basicstyle=\ttfamily\bfseries,

    commentstyle=\color{red}\itshape,

  stringstyle=\color{darkgreen},

  showstringspaces=false,

  keywordstyle=\color{blue}\bfseries}

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% Macros

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%%% This is from Fernando's setup.

% \usepackage{color}

% \definecolor{orange}{cmyk}{0,0.4,0.8,0.2}

% % Use and configure listings package for nicely formatted code

% \usepackage{listings}

% \lstset{

%    language=Python,

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% Title page

\title[]{Interactive Plotting}

\author[FOSSEE] {FOSSEE}

\institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay}

\date[] {31, October 2009}

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%\pgfdeclareimage[height=0.75cm]{iitmlogo}{iitmlogo}

%\logo{\pgfuseimage{iitmlogo}}

%% Delete this, if you do not want the table of contents to pop up at

%% the beginning of each subsection:

\AtBeginSubsection[]

{

  \begin{frame}<beamer>

    \frametitle{Outline}

    \tableofcontents[currentsection,currentsubsection]

  \end{frame}

}

\AtBeginSection[]

{

  \begin{frame}<beamer>

    \frametitle{Outline}

    \tableofcontents[currentsection,currentsubsection]

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\newcommand{\num}{\texttt{numpy}}

% If you wish to uncover everything in a step-wise fashion, uncomment

% the following command: 

%\beamerdefaultoverlayspecification{<+->}

%\includeonlyframes{current,current1,current2,current3,current4,current5,current6}

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% DOCUMENT STARTS

\begin{document}

\begin{frame}

  \maketitle

\end{frame}

%% \begin{frame}

%%   \frametitle{Outline}

%%   \tableofcontents

%%   % You might wish to add the option [pausesections]

%% \end{frame}

\begin{frame}[fragile]

\frametitle{Starting up...}

\begin{verbatim}

  $ ipython -pylab  

\end{verbatim}

Exiting

\begin{lstlisting}     

  In [1]: print "Hello, World!"

  In [2]: ^D

  Do you really want to exit ([y]/n)? y

\end{lstlisting}

Breaking out of loops

\begin{lstlisting}     

  In [1]: while True:

    ...:     print "Hello, World!"

    ...:     

  Hello, World!

  Hello, World!^C

\end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{First Plot}

\begin{lstlisting}

  In [2]: x = linspace(0, 2*pi, 51)

\end{lstlisting}

\typ{linspace(start, stop, num)} \\

returns \typ{num} evenly spaced points, in the interval [\typ{start}, \typ{stop}].

\begin{lstlisting}

  In [3]: plot(x,sin(x))

\end{lstlisting}

\typ{plot(x, y)}\\

plots \typ{x} and \typ{y} using default line style and color

\end{frame}

\begin{frame}[fragile]

\frametitle{Adding Labels}

  \begin{lstlisting}

In [4]: xlabel('x')

  \end{lstlisting}

\typ{xlabel(s)} sets the label of the \typ{x}-axis to \typ{s}

  \begin{lstlisting}

In [5]: ylabel('sin(x)')

  \end{lstlisting}

\typ{ylabel(s)} sets the label of the \typ{y}-axis to \typ{s}

\end{frame}

\begin{frame}[fragile]

\frametitle{Another example}

  \begin{lstlisting}

In [6]: clf()

In [7]: y = linspace(0, 2*pi, 51)

In [8]: plot(y, -2*sin(-y))

In [9]: xlabel('y')

In [10]: ylabel('-2sin(-y)')

  \end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{Title and Legends}

\begin{lstlisting}

In [11]: title('Sinusoids')

In [12]: legend(['-2sin(-y)'])

\end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{Saving \& Closing}

\begin{lstlisting}

In [13]: savefig('2siny.png')

In [14]: close()

\end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{Multiple Figures}

\begin{lstlisting}

In []: figure(1)

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

In []: figure(2)

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

In []: figure(1)

In []: title('sin(x)'))

\end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{Showing it better}

\begin{lstlisting}

In []: plot(y, sin(y), 'g')

In []: plot(y, sin(y), linewidth=2)  

\end{lstlisting}

\end{frame}

\begin{frame}[fragile]

\frametitle{Axes lengths}

  \begin{lstlisting}

#Get the limits

In []: xmin, xmax = xlim() 

In []: ymin, ymax = ylim() 

#Set the limits

In []: xlim( xmin, xmax ) 

In []: ylim( ymin, ymax ) 

  \end{lstlisting}

\end{frame}

\begin{frame}[fragile]

  \begin{center}

  End of Session-1\\

  \alert{Don't Close \typ{IPython}}

  \end{center}

\end{frame}

\end{document}