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如何设置每个包含 tikz-pic 的子图之间的距离？

tag-icon • tag-icon tikz-pgf positioning
如何设置每个包含 tikz-pic 的子图之间的距离？

我的代码如下。我想增加两个图之间的距离：

\PassOptionsToPackage{usenames,dvipsnames,svgnames,table}{xcolor}

\documentclass [11pt,a4paper] {article}
\usepackage{amsmath,tikz}
\usetikzlibrary{patterns,matrix,arrows,positioning}
\begin{document}
\begin{figure}[!htb]
\centering
\subfigure[Before]
{%
\begin{tikzpicture}[->,
  >=stealth',
  shorten >=1pt,
  auto,
  node distance=3cm,
  thick,
  main node/.style={
              circle,
              fill=RoyalBlue!90!green!80,
              draw,
              font=\sffamily\Large\bfseries}
 ]
  \node[main node,label=below:Cause]             (y)  {$Y$};
  \node[main node,label=below:Effect,right of=y] (x)  {$X$};
  \node[above=1cm of x]                              (nx) {$N_X$};
  \node[above=1cm of y]                              (ny) {$N_Y$};

  \path (y)  edge[right] node[below right,font=\sffamily\small] {} (x);
%  \path (x)  edge[bend right,orange]node[above,font=\sffamily\small,orange]{}(y);
  \path (nx) edge[blue] node[left,font=\sffamily\small,orange] {} (x);
  \path (ny) edge[blue] (y);
\end{tikzpicture}\label{fig:FCM}
%\caption{General Functional Causal Model for two 1D variables}
}
\subfigure[After]
{%
\begin{tikzpicture}[->,
  >=stealth',
  shorten >=1pt,
  auto,
  node distance=3cm,
  thick,
  main node/.style={
              circle,
              fill=RoyalBlue!90!green!80,
              draw,
              font=\sffamily\Large\bfseries}
 ]
  \node[main node,label=below:Cause]             (y)  {$Y$};
  \node[main node,label=below:Effect,right of=y] (x)  {$X$};

  \path (y)  edge[right] node[below right,font=\sffamily\small] {$\varphi$} (x);
  \path (x)  edge[bend right,orange] node[above,font=\sffamily\small,color=orange] {$\varphi^{-1}$} (y);
\end{tikzpicture}
}
\end{figure}
\end{document}

答案1

在两个subfigures 之间，您可以使用\quad、\qquad、\hspace{<length>}（其中<length>是任意有效长度）或者甚至\hfill：

\documentclass [11pt,a4paper] {article}
\usepackage[usenames,dvipsnames,svgnames,table]{xcolor}
\usepackage{amsmath,tikz}
\usepackage{subfigure}
\usetikzlibrary{patterns,matrix,arrows,positioning}

\begin{document}

\begin{figure}[!htb]
\centering
\subfigure[Before]
{%
\begin{tikzpicture}[->,
  >=stealth',
  shorten >=1pt,
  auto,
  node distance=3cm,
  thick,
  main node/.style={
              circle,
              fill=RoyalBlue!90!green!80,
              draw,
              font=\sffamily\Large\bfseries}
 ]
  \node[main node,label=below:Cause]             (y)  {$Y$};
  \node[main node,label=below:Effect,right of=y] (x)  {$X$};
  \node[above=1cm of x]                              (nx) {$N_X$};
  \node[above=1cm of y]                              (ny) {$N_Y$};

  \path (y)  edge[right] node[below right,font=\sffamily\small] {} (x);
%  \path (x)  edge[bend right,orange]node[above,font=\sffamily\small,orange]{}(y);
  \path (nx) edge[blue] node[left,font=\sffamily\small,orange] {} (x);
  \path (ny) edge[blue] (y);
\end{tikzpicture}\label{fig:FCM}
%\caption{General Functional Causal Model for two 1D variables}
}\hfill
\subfigure[After]
{%
\begin{tikzpicture}[->,
  >=stealth',
  shorten >=1pt,
  auto,
  node distance=3cm,
  thick,
  main node/.style={
              circle,
              fill=RoyalBlue!90!green!80,
              draw,
              font=\sffamily\Large\bfseries}
 ]
  \node[main node,label=below:Cause]             (y)  {$Y$};
  \node[main node,label=below:Effect,right of=y] (x)  {$X$};

  \path (y)  edge[right] node[below right,font=\sffamily\small] {$\varphi$} (x);
  \path (x)  edge[bend right,orange] node[above,font=\sffamily\small,color=orange] {$\varphi^{-1}$} (y);
\end{tikzpicture}
}
\end{figure}
\end{document}

在此处输入图片描述

顺便说一句，subfigure是一个过时的包；你应该使用subcaption或subfig代替。还请注意，你可以xcolor使用你的选项加载前 tikz以标准方式，因此您不必使用\PassOptionsToPackage。

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