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使用 tikz 创建立方体

tag-icon • tag-icon tikz-pgf positioning automata
使用 tikz 创建立方体

我曾尝试构建一个类似这样的 3D 盒子

在此处输入图片描述

但我最终

在此处输入图片描述

从此代码

\documentclass{article}

\usepackage{tikz}

\usetikzlibrary{positioning}
\usetikzlibrary{automata}
\usetikzlibrary{shapes.geometric}

\tikzset{%
    node distance=1cm,
    every node/.style={%
        align=center,
        fill=white,
        font=\small
    },
    elliptic state/.style={%
        state,
        ellipse,
        inner sep=0cm,
        minimum width=2cm
    },
}

\begin{document}

\begin{center}
\begin{tikzpicture}[node distance=2cm,font=\scriptsize]
\node[elliptic state,accepting] (s1) {$s_1$: $m_a,m_b,m_c$};
\node[elliptic state,below left=of s1] (s2) {$s_2$: $m_a,\neg m_b,m_c$};
\node[elliptic state,below=0.6cm of s1] (s3) {$s_3$: $m_a,m_b,\neg m_c$};
\node[elliptic state,below right=of s1] (s4) {$s_4$: $\neg m_a,m_b,m_c$};

\node[elliptic state,below=0.6cm of s2] (s5) {$s_5$: $m_a,\neg m_b,\neg m_c$};
\node[elliptic state,below right=of s2] (s6) {$s_6$: $\neg m_a,\neg m_b,m_c$};
\node[elliptic state,below=0.6cm of s4] (s7) {$s_7$: $\neg m_a,m_b,\neg m_c$};
\node[elliptic state,below=0.6cm of s6] (s8) {$s_8$: $\neg m_a,\neg m_b,\neg m_c$};

\path (s1) edge node {$b$} (s2);
\path (s1) edge node {$c$} (s3);
\path (s1) edge node {$a$} (s4);

\path (s2) edge node {$c$} (s5);
\path (s2) edge node {$a$} (s6);

\path (s3) edge node {$c$} (s5);
\path (s3) edge node {$c$} (s7);

\path (s4) edge node {$c$} (s6);
\path (s4) edge node {$c$} (s7);

\path (s5) edge node {$c$} (s8);

\path (s6) edge node {$c$} (s8);

\path (s7) edge node {$c$} (s8);
\end{tikzpicture}
\end{center}

\end{document}

由于我的节点上有较多的文本，因此很难制作出一个看起来不杂乱的漂亮盒子。

我该如何调整我的盒子，让它看起来更好看？我的盒子很平，所以我想我需要让所有边的长度相等，并最终减少每个椭圆节点的顶部和底部填充，因为它占用了太多空间。

是否有任何 tikz 库可以自动创建这样的框以使其看起来更整洁？

答案1

这看起来怎么样？只是对节点定位和距离做了一些更改，添加了换行符并减小了字体大小。

在此处输入图片描述

\documentclass{article}
\usepackage{tikz}

\usetikzlibrary{positioning}
\usetikzlibrary{automata,shapes.geometric}

\tikzset{%
    node distance=1cm,
    every node/.style={%
        align=center,
        fill=white,
        font=\small
    },
    elliptic state/.style={%
        state,
        ellipse,
        inner sep=0cm,
        minimum width=2cm
    },
}

\begin{document}

\begin{center}
\begin{tikzpicture}[node distance=2cm]
\node[elliptic state,accepting] (s1) {$s_1$:\\ $m_a,m_b,m_c$};
\node[elliptic state,below left=of s1] (s2) {$s_2$:\\ $m_a,\neg m_b,m_c$};
\node[elliptic state,below=3cm of s1] (s3) {$s_3$:\\ $m_a,m_b,\neg m_c$};
\node[elliptic state,right=of s1] (s4) {$s_4$:\\ $\neg m_a,m_b,m_c$};

\node[elliptic state,below=3cm of s2] (s5) {$s_5$:\\ $m_a,\neg m_b,\neg m_c$};
\node[elliptic state,right=of s2] (s6) {$s_6$:\\ $\neg m_a,\neg m_b,m_c$};
\node[elliptic state,below=3cm of s4] (s7) {$s_7$:\\ $\neg m_a,m_b,\neg m_c$};
\node[elliptic state,below=3cm of s6] (s8) {$s_8$:\\ $\neg m_a,\neg m_b,\neg m_c$};

\path (s1) edge node {$b$} (s2);
\path (s1) edge node {$c$} (s3);
\path (s1) edge node {$a$} (s4);

\path (s2) edge node {$c$} (s5);
\path (s2) edge node {$a$} (s6);

\path (s3) edge node {$c$} (s5);
\path (s3) edge node {$c$} (s7);

\path (s4) edge node {$c$} (s6);
\path (s4) edge node {$c$} (s7);

\path (s5) edge node {$c$} (s8);

\path (s6) edge node {$c$} (s8);

\path (s7) edge node {$c$} (s8);
\end{tikzpicture}
\end{center}

\end{document}

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