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如何在另一个 tikzpicture 的子节点内绘制 tikzpicture？

tag-icon • tag-icon tikz-trees tikz-node
如何在另一个 tikzpicture 的子节点内绘制 tikzpicture？

如何将二叉树嵌入到现有二叉树的子节点中，就像这样 在此处输入图片描述

我一直使用 tikzpicture 以这种方式绘制树木：

\documentclass[12pt, letterpaper, oneside]{article}
\usepackage{tikz}
\begin{document}
    \[
    \begin{tikzpicture}[nodes={draw, circle, fill=gray!20}, --]
        \node{19}
            child {node{25}
                child[missing]
                child{node{28}
                    child {node{32}}
                    child {node{93}}
                }
            }
            child [missing]
            child[missing]
            child {node{20}
                child{node{89}
                    child{node{99}}
                    child[missing]
                }
                child[missing]
            };
    \end{tikzpicture}
    \]
\end{document}

答案1

这显示了如何将整个 tikzpicture 放入节点。不确定如何将该节点放入树中。

\documentclass[12pt, letterpaper, oneside]{article}
\usepackage{tikz}
\begin{document}
\begin{center}
\sbox0{\begin{tikzpicture}[nodes={draw, circle, fill=gray!20}]
        \node{19}
            child {node{25}
                child[missing]
                child{node{28}
                    child {node{32}}
                    child {node{93}}
                }
            }
            child [missing]
            child[missing]
            child {node{20}
                child{node{89}
                    child{node{99}}
                    child[missing]
                }
                child[missing]
            };
    \end{tikzpicture}}
    \begin{tikzpicture}
        \node[draw, rectangle, rounded corners] {\usebox0};
    \end{tikzpicture}
\end{center}
\end{document}

答案2

在朋友的帮助下，我设法为这棵树找到了一个不太难的解决方案，我希望它能对某些人有所帮助：

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{shapes.geometric}
\begin{document}
    \flushleft
    \begin{tikzpicture}
        [square/.style={regular polygon, regular polygon sides=4}]
            \node at (0,0) [circle,draw] (a) {4};
            \node at (5,-3) [rounded corners, draw] (c) {
                \begin{minipage}{0.4\textwidth}
                    \begin{tikzpicture}
                        \node at (0,0) [circle,draw] (a1) {8};
                        \node at (1,-1) [circle,draw] (a2) {16};
                        \node at (-1,-1) [circle,draw] (a3) {50};
                        \node at (-2,-2) [circle,draw] (a4) {55};
                        \draw (a1) -- (a2);
                        \draw (a1) -> (a3);
                        \draw (a3) -> (a4);
                    \end{tikzpicture}
                \end{minipage}
                \begin{minipage}{0.4\textwidth}
                    \begin{tikzpicture}
                    \node at (0,0) [circle,draw] (a1) {19};
                    \node at (2,-1) [circle,draw] (a2) {20};
                    \node at (-2,-1) [circle,draw] (a3) {25};
                    \node at (-1,-2) [circle,draw] (a4) {28};
                    \node at (-1.5,-3) [circle,draw] (a5) {32};
                    \node at (-0.5,-3) [circle,draw] (a6) {93};
                    \node at (1,-2) [circle,draw] (a7) {89};
                    \node at (0.5,-3) [circle,draw] (a8) {99};
                    \draw (a1) -> (a2);
                    \draw (a1) -> (a3);
                    \draw (a3) -> (a4);
                    \draw (a4) -> (a5);
                    \draw (a4) -> (a6);
                    \draw (a2) -> (a7);
                    \draw (a7) -> (a8);
                    \end{tikzpicture}
                \end{minipage}
            };
            \node at (-3,-1) [circle,draw] (b) {9};
            \node at (-4,-2) [circle,draw] (b1) {17};
            \node at (-5,-3) [circle,draw] (b2) {19};
            \node at (-2,-2) [circle,draw] (b3) {26};
            \draw (a) -- (c);
            \draw (a) -- (b);
            \draw (b) -- (b1);
            \draw (b1) -- (b2);
            \draw (b) -- (b3);
    \end{tikzpicture}
\end{document}

这恰恰产生了

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