highlight-region-in-pgf-plot.tex

% Code to highlight regions in a pgf plot, as shown in Figure 3.1. of my [https://github.com/habi/PhD-Thesis](PhD-Thesis).
% For http://tex.stackexchange.com/a/156364/828

\documentclass{article}
\usepackage{pgfplots}
\usepackage[graphics,tightpage,active]{preview}

\PreviewEnvironment{tikzpicture}

\begin{document}

\begin{tikzpicture}
	\begin{axis}[%
		ymin=-1,%
		ymax=1,%
		grid=both,%
		]
	\addplot [draw=red,fill=red, semitransparent]
		coordinates {(55,-1.1) (55,1.1) (333,1.1) (333,-1.1)};
	\addplot [draw=green,fill=green, semitransparent]
		coordinates {(-360,-1.1) (-360,1.1) (55,1.1) (55,-1.1)};
	\addplot[domain=-360:360, blue , very thick, smooth]{sin(x)};
	\end{axis}
\end{tikzpicture}

\end{document}