\documentclass{article}
% translate with >> pdflatex -shell-escape <file>

% This file is used as unit test for pgfplots, copyright by Christian Feuersaenger.
% 
% See
%   http://pgfplots.sourceforge.net/pgfplots.pdf
% for pgfplots.
%
% Any required input files (for <plot table> or <plot file> or the table package) can be downloaded
% at
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/
% and
% http://www.ctan.org/tex-archive/graphics/pgf/contrib/pgfplots/doc/latex/plotdata/

\usepackage{pgfplots}
\pgfplotsset{compat=newest}

\pagestyle{empty}

\begin{document}

		\begin{tikzpicture}
		\begin{axis}[
		colorbar
		horizontal,
		colorbar
		style={
		at={(1,1.03)},anchor=south
		east,
		width=0.5*
		\pgfkeysvalueof{/pgfplots/parent
		axis
		width},
		xticklabel
		pos=upper,
		},
		title
		style={yshift=1cm},
		title=More
		Customization:
		``colorbar
		top'']
		\addplot[mesh,thick,samples=150,domain=0.1:3]
		{x};
		\end{axis}
		\end{tikzpicture}
\end{document}
