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在子浮点中垂直对齐两个 tikzpicture

tag-icon • tag-icon tikz-pgf vertical-alignment subfloats
在子浮点中垂直对齐两个 tikzpicture

我有两个 sublfoat，我想从水平坐标线对齐。

\documentclass{article}
\usepackage{tikz}
\usepackage{amsmath}
\usepackage{subfig}
\begin{document}
\begin{figure}
  \centering
  \subfloat[Using the electrode as einzel lens.]{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, 0.75) node[above] {$V_{\text{ein}}$} -- ++(0.30, 0) -- ++(0.15, -0.750);
\end{tikzpicture}
}
\quad
  \subfloat[Using the electrode as repeller.]{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, -.75) node[below] {$V_{\text{rep}}$} -- ++(0.30, 0) -- ++(0.15, 0.750);
\end{tikzpicture}
}
  \caption{Potentail diagram of the extraction.}
  \label{fig:potential}
\end{figure}
\end{document}

在此处输入图片描述

答案1

您可以将baseline选项添加到 TikZ 图片，以便垂直值是= 0 将成为两张图片的基线。但这也会取代标题，可以通过在左图中右图有节点的位置添加伪节点来避免这种情况V_rep。

有了subcaption包，就可以使用同样的技巧。

代码 （subfig）

\documentclass{article}
\usepackage{tikz,amsmath}
\usepackage{subfig}
\begin{document}
\begin{figure}\centering
\subfloat[Using the electrode as einzel lens.]{
\begin{tikzpicture}[baseline]
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, 0.75) node[above] {$V_{\text{ein}}$} -- ++(0.30, 0) -- ++(0.15, -0.750);
\end{tikzpicture}}\quad
\subfloat[Using the electrode as repeller.]{
\begin{tikzpicture}[baseline]
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, -.75) node[below] {$V_{\text{rep}}$} -- ++(0.30, 0) -- ++(0.15, 0.750);
\end{tikzpicture}}
\caption{Potentail diagram of the extraction.}
\end{figure}

\begin{figure}\centering
\subfloat[Using the electrode as einzel lens.]{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, 0.75) node[above] {$V_{\text{ein}}$} -- ++(0.30, 0) -- ++(0.15, -0.750);
\path (0,-.75) node[below,opacity=0] {$V_{\text{rep}}$}; % <- Pseudonode
\end{tikzpicture}}\quad
\subfloat[Using the electrode as repeller.]{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, -.75) node[below] {$V_{\text{rep}}$} -- ++(0.30, 0) -- ++(0.15, 0.750);
\end{tikzpicture}}
\caption{Potentail diagram of the extraction.}
\end{figure}
\end{document}

代码 （subcaption）

\documentclass{article}
\usepackage{tikz,amsmath}
\usepackage{subcaption}
\begin{document}
\begin{figure}\centering
\subcaptionbox{Using the electrode as einzel lens.}{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, 0.75) node[above] {$V_{\text{ein}}$} -- ++(0.30, 0) -- ++(0.15, -0.750);
\path (0,-.75) node[below,opacity=0] {$V_{\text{rep}}$}; % <- Pseudonode
\end{tikzpicture}}\quad
\subcaptionbox{Using the electrode as repeller.}{
\begin{tikzpicture}
\draw[->] (-0.25,0) -- (3.5,0) node[below left] {$z$};
\draw[->] (0,-0.25) -- (0,3.5) node[below left] {$V$};
\draw (0, 3.0) node[above right] {$V_p$} -- ++(0.35, 0) -- ++(1.25, -3.0) -- ++(0.25, 0) -- ++(0.15, -.75) node[below] {$V_{\text{rep}}$} -- ++(0.30, 0) -- ++(0.15, 0.750);
\end{tikzpicture}}
\caption{Potentail diagram of the extraction.}
\label{fig:potential}
\end{figure}
\end{document}

输出

在此处输入图片描述

答案2

我在较小的图像上添加了一个白色（不可见）网格以增加其高度：

\begin{tikzpicture}
    %Grid
    \draw[white] (x1,y1) grid (x2,y2);

    ---
\begin{tikzpicture}

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