Latex Tikz - 对齐图形

Question

我想对齐两个图形，使小图形的右上角位于大图形的右上角。怎么做？我还希望在缩放大图形时，小图形会自动改变位置以保持在右上角。

\documentclass{article}
\usepackage{pgfplots}
\usepackage{filecontents}
%\pgfplotsset{width=10cm,compat=newest}
\usepgfplotslibrary{units}
\usetikzlibrary{spy,backgrounds}
\usepackage{pgfplotstable}
\begin{filecontents*}{data.csv}
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\end{filecontents*}
\begin{document}
\tikzstyle{input} = [coordinate]
\begin{figure}
\centering
\begin{tikzpicture}[scale=0.6]
    \begin{axis}[
        %width=0.4\textwidth,
        %height=0.4\textwidth,
        y tick label style={
            /pgf/number format/.cd,
                fixed,
                fixed zerofill,
                precision=2,
            /tikz/.cd
        },
        x tick label style={
            /pgf/number format/.cd,
                fixed,
                fixed zerofill,
                precision=2,
            /tikz/.cd
        },
        xmin=-10,
        xmax=10,
        xlabel={$Time[s]$},
        xlabel near ticks,
        ylabel={$Amplitude$},
        ylabel near ticks,
        xmajorgrids=true,
        ymajorgrids=true,
        name=MainPlot]
         \addplot[line width=2pt,solid] 
           table [x index=0, y index=1, col     
sep=comma] {data.csv};
    \end{axis}
    \node[pin={[pin edge={transparent}]100:{
        \begin{tikzpicture}[scale=0.6]
            \begin{axis}[
                y tick label style={
                    /pgf/number format/.cd,
                        fixed,
                        fixed zerofill,
                        precision=2,
                    /tikz/.cd
                },
                x tick label style={
                    /pgf/number format/.cd,
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                xmin=-6,
                xtick distance=1,
                xmax=-4,
                %xlabel={\normalsize $Time[s]$},
                xlabel near ticks,
                yticklabel pos=right,
                ymin=0.8,
                ytick distance=0.05,
                ymax=1,
                %ylabel={\normalsize $Amplitude$},
                ylabel near ticks,
                enlargelimits,
                axis background/.style={fill=white!10},
                xmajorgrids=true,
                ymajorgrids=true]
            \addplot [line width=2pt,solid] 
           table [x index=0, y index=1, col sep=comma] {data.csv};
        \end{axis}
    \end{tikzpicture}
        }}]  {};
\end{tikzpicture}
\end{figure}
\end{document} 

Answer 1

将 tikzpicture 放入 tikzpicture 中的常用方法是使用保存框。使用基线可以轻松进行垂直对齐，但没有水平对齐机制。因此，我计算了从中心到网格右上角的偏移量。请注意，这些偏移量需要按与 tikzpicture 相同的因子进行缩放。

请注意，数据只到 -7，因此大部分图表都缺失了。

\documentclass{article}
\usepackage{pgfplots}
\usepackage{filecontents}
%\pgfplotsset{width=10cm,compat=newest}
\usepgfplotslibrary{units}
\usetikzlibrary{spy,backgrounds}
\usepackage{pgfplotstable}
\begin{filecontents*}{data.csv}
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-9.404778,-0.019999
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-9.274778,-0.149438
-9.264778,-0.159318
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\end{filecontents*}

\newlength{\xshift}% reserve global names
\newlength{\yshift}

\begin{document}
\tikzstyle{input} = [coordinate]
\begin{figure}
\sbox0{\begin{tikzpicture}[scale=0.6]
            \begin{axis}[name=grid,
                y tick label style={
                    /pgf/number format/.cd,
                        fixed,
                        fixed zerofill,
                        precision=2,
                    /tikz/.cd
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                x tick label style={
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            \addplot [line width=2pt,solid] 
           table [x index=0, y index=1, col sep=comma] {data.csv};
        \end{axis}
        \pgfextractx{\xshift}{\pgfpointdiff{\pgfpointanchor{grid}{north east}}%
          {\pgfpointanchor{current bounding box}{center}}}
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          {\pgfpointanchor{current bounding box}{center}}}
        \global\xshift=\xshift
        \global\yshift=\yshift
\end{tikzpicture}}
\centering
\begin{tikzpicture}[scale=0.6]
    \begin{axis}[
        %width=0.4\textwidth,
        %height=0.4\textwidth,
        y tick label style={
            /pgf/number format/.cd,
                fixed,
                fixed zerofill,
                precision=2,
            /tikz/.cd
        },
        x tick label style={
            /pgf/number format/.cd,
                fixed,
                fixed zerofill,
                precision=2,
            /tikz/.cd
        },
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        xmax=10,
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        xlabel near ticks,
        ylabel={$Amplitude$},
        ylabel near ticks,
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        ymajorgrids=true,
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         \addplot[line width=2pt,solid] 
           table [x index=0, y index=1, col sep=comma] {data.csv};
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\end{tikzpicture}
\end{figure}
\end{document}