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在这个 tikz-qtree 上，当我为节点着色时，父节点被覆盖。如何修复？

tag-icon • tag-icon tikz-qtree
在这个 tikz-qtree 上，当我为节点着色时，父节点被覆盖。如何修复？ 
\documentclass{article}  
\usepackage{tikz}  
\usepackage{tikz-qtree}  
\usetikzlibrary{trees} % this is to allow the fork right path  
\pagecolor{olive!50!yellow!50!white}  
\begin{document}  

\begin{tikzpicture}[level distance=1.25in,sibling distance=.25in,scale=.75]
\tikzset{edge from parent/.style= 
            {thick, draw,
                edge from parent fork right},every tree node/.style={draw,minimum width=1in,text width=1in, align=center,fill=white},grow'=right}  
\Tree   
    [. parent   
        [.{nice child0}  
                [.{grandchild0-0 } ]  
            [.{grandchild0-1 } ]  
            [.{grandchild0-2 } ]  
            [.{grandchild0-3 with a really long name } ]  
        ]  
        [.child1  
                [.{grandchild1-0 } ]  
            [.{grandchild1-1 } ]  
            [.{grandchild1-2 } ]  
        ]   
        [.child2 ]  
        [.child3 ]  
    ]  
\begin{scope}  
\tikzset{edge from parent/.style= 
            {thick, draw,
                edge from parent fork left},every tree node/.style={draw,minimum width=1in,text width=1in, align=center,fill=white},grow'=left}  

\Tree   
    [.\node[draw=none]{};   
        [.{nice child0}  
                [.{grandchild0-0 } ]  
            [.{grandchild0-1 } ]  
            [.{grandchild0-2 } ]  
            [.{grandchild0-3 with a really long name } ]  
        ]  
        [.child1
                [.{grandchild1-0 } ]  
            [.{grandchild1-1 } ]  
            [.{grandchild1-2 } ]  
        ]   
        [.child2 ]  
        [.child3 ]  
    ]  

\end{scope}  
\end{tikzpicture}  
\end{document}

答案1

这与您如何覆盖树节点有关。请注意，TikZ 绘制第一个节点并设置父节点，然后在其上方绘制；因此，按照您的方式，TikZ 会在标签上方填充绘制和空框。因此，切换绘制顺序可以解决问题。

在此处输入图片描述

参见 MWE：

\documentclass{article}  
\usepackage{tikz}  
\usepackage{tikz-qtree}  
\usetikzlibrary{trees} % this is to allow the fork right path  
\pagecolor{olive!50!yellow!50!white}  
\begin{document}  

\begin{tikzpicture}[level distance=1.25in,sibling distance=.25in,scale=.75]
\tikzset{edge from parent/.style= 
            {thick, draw,
                edge from parent fork right},every tree node/.style={draw,minimum width=1in,text width=1in, align=center,fill=white},grow'=right}  
\Tree   
    [.{}   
        [.{nice child0}  
                [.{grandchild0-0 } ]  
            [.{grandchild0-1 } ]  
            [.{grandchild0-2 } ]  
            [.{grandchild0-3 with a really long name } ]  
        ]  
        [.child1  
                [.{grandchild1-0 } ]  
            [.{grandchild1-1 } ]  
            [.{grandchild1-2 } ]  
        ]   
        [.child2 ]  
        [.child3 ]  
    ]  
\begin{scope}  
\tikzset{edge from parent/.style= 
            {thick, draw,
                edge from parent fork left},every tree node/.style={draw,minimum width=1in,text width=1in, align=center,fill=white},grow'=left}  

\Tree
    [.{parent}   
        [.{nice child0}  
            [.{grandchild0-0 } ]  
            [.{grandchild0-1 } ]  
            [.{grandchild0-2 } ]  
            [.{grandchild0-3 with a really long name } ]  
        ]  
        [.child1
                [.{grandchild1-0 } ]  
            [.{grandchild1-1 } ]  
            [.{grandchild1-2 } ]  
        ]   
        [.child2 ]  
        [.child3 ]  
    ]  

\end{scope}  
\end{tikzpicture}  
\end{document}

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