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When I use the tikz.spy library in order to magnify a part of my pgfplots plot with the use of grids, there are both the original grid and the magnified grid in the magnified area. screenshot: .

a part of the code looks like this:

\begin{tikzpicture} [spy using outlines={circle, magnification=3, size=2cm, connect spies}]

\begin{axis}[grid=major,axis on top, ... ]

\addplot ...

\begin{scope}[fill=white]
    \spy[green!70!black,size=5cm] on (10.9,9.1) in node [right] at (3,6);
\end{scope}

\end{axis}
\end{tikzpicture}

Is it possible to have only the magnified grid in the magnified area (e.g. to set the opacity of magnified area? The fill=white command seems to has no effect. I tried the same with the opacity property. spy using overlay doesn't help neither. Another way would be to have the grid only in the magnified area, but I have no idea how to do.

Does anyone has a solution?

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Really nice graph, by the way. Would you mind sharing how you filled the area between the curves? –  Jake Mar 28 '11 at 17:07
    
look here: goo.gl/EYf90 -- i export the data (tables) for each line with matlab (fprintf) –  kromuchi Mar 28 '11 at 17:27

1 Answer 1

up vote 8 down vote accepted

You have to supply the fill=white option to the "in-node":

\documentclass{article}
\usepackage{pgfplots}
\usetikzlibrary{spy,backgrounds}

\begin{document}
\begin{tikzpicture} [spy using outlines={circle, magnification=3, size=2cm, connect spies}]
\begin{axis}[grid=major,axis on top,width=14cm]
\addplot +[mark=none] {0.1*x^2};

\begin{scope}
    \spy[green!70!black,size=5cm] on (10.9,8) in node [fill=white] at (6,7);
\end{scope}

\end{axis}
\end{tikzpicture}
\end{document}

spy node with filled background

share|improve this answer
    
Wow, nice. I tried putting it every which place but that one! –  Matthew Leingang Mar 28 '11 at 17:17
    
thanks a lot. that's what i've looked for. –  kromuchi Mar 28 '11 at 17:24
    
could i give an image instead of \addplot? (e.g. \includegraphics instead of \addplot) –  Eagle Nov 2 '11 at 15:55
    
@Eagle: Yes, you can. –  Jake Nov 2 '11 at 20:53

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