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tikz-qtree 节点中的垂直距离

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tikz-qtree 节点中的垂直距离

我使用以下代码（MWE）组合了一个语言树：

\documentclass[b5paper,11pt,twoside,one column,openright,draft]{memoir}
\usepackage{rotating}
\usepackage{tikz-qtree}
\usepackage{tikz-qtree-compat}
\tikzset{every tree node/.style={align=center, anchor=north}} % to allow linebreaks
\begin{document}
\newlength{\egyptianlength}
\settowidth{\egyptianlength}{Egyptian}
\newlength{\msarabianlength}
\settowidth{\msarabianlength}{Modern South Arabian}
\newlength{\nwsemiticlength}
\settowidth{\nwsemiticlength}{Northwest Semitic}
\newlength{\canaanitelength}
\settowidth{\canaanitelength}{Canaanite}
\newlength{\pplength}
\settowidth{\pplength}{Phoenician/Punic}
\begin{figure}[p]
\begin{center}
\begin{turn}{90}
\begin{tikzpicture}
\tikzset{every tree node/.style={align=center,anchor=north,level distance=2\baselineskip}}
\tikzset{edge from parent/.style={draw,thick}}
\tikzset{level distance=2\baselineskip}
\Tree [.{Afro-Asiatic}
    [.{\makebox[\egyptianlength][c]{Berber}} ]
    [.{\makebox[\egyptianlength][c]{Chadic}} ]
    [.{\makebox[\egyptianlength][c]{Egyptian}} ]
    [.\node (Semitic) {\makebox[\egyptianlength][c]{Semitic}}; ]
    [.{\makebox[\egyptianlength][c]{Cushitic}} ]
    [.{\makebox[\egyptianlength][c]{Omotic}} ]
]
\node[below of=Semitic,yshift=-1.5em,xshift=-5.5em]{
    \Tree [
        [.{West Semitic}
            [.{\makebox[\msarabianlength][c]{Ethiopian}} ]
                            [.\node (CentralSemitic) {\makebox[\msarabianlength][c]{Central Semitic}}; ]
            [.{\makebox[\msarabianlength][c]{Modern South Arabian}} ]
        ]
                    [.{East Semitic}
            Eblaite
            Akkadian
        ]
    ]
};
\node[below of=CentralSemitic,yshift=-9.5em,xshift=-7.5em]{
    \Tree [                 
        [.{\makebox[\nwsemiticlength][c]{Old South Arabian}} ]
        [.\node (NWSemitic) {{\makebox[\nwsemiticlength][c]{Northwest Semitic}}}; ]
        [.{\makebox[\nwsemiticlength][c]{Arabic}} ]
    ]
};
\node[below of=NWSemitic,yshift=-13.75em,xshift=-8em]{
    \Tree [                 
        [.{\makebox[\canaanitelength][c]{Ugaritic}} ]
        [.{\makebox[\canaanitelength][c]{Aramaic}} ]
        [.\node (Canaanite) {{\makebox[\canaanitelength][c]{Canaanite}}}; ]
    ]
};
\node[below of=Canaanite,yshift=-17.75em,xshift=-3.1em]{
    \Tree [                 
        [.{\makebox[\pplength][c]{Phoenician/Punic}} ]
        [.{\makebox[\pplength][c]{Moabite}} ]
        [.{\makebox[\pplength][c]{Ammonite}} ]
        [.{\makebox[\pplength][c]{Edomite}} ]
        [.{\makebox[\pplength][c]{Hebrew}} ]
    ]
};
\end{tikzpicture}
\end{turn}
\end{center}
\caption{The Semitic languages in their Afro-Asiatic context}
\end{figure}
\end{document}

长度和 \makebox-es 的巧妙使用让树看起来不那么歪斜。但是，我有一个问题，并且希望有“更好的方法”...

问题：例如“西闪米特语”和“中部闪米特语”之间的垂直距离（就行长而言）比“中部闪米特语”和“西北闪米特语”之间的垂直距离小得多。

增强：如果 xshift 和 yshifts（我目前通过反复试验确定）可以相对（即从标签文本中点的基线下拉 x）那就太好了。

有什么建议吗？我尝试根据提供的信息调整垂直距离这里但没有成功。也许我做得不对……

谢谢！

答案1

使用标准树似乎更容易tikz。在这些树中，给定级别的节点间距均匀，垂直间距更均匀。您可以通过设置来调整子树中的水平间距sibling distance：

示例输出

\documentclass{article}

\usepackage{rotating}
\usepackage{tikz}

\begin{document}

\begin{figure}[p]
  \centering
  \begin{turn}{90}
  \begin{tikzpicture}
    \path[level distance=35pt,parent anchor=south,child
    anchor=north,text height=7pt,text depth=0pt,thick]
    node{Afro-Asiatic} [sibling distance=2cm]
    child {node{Berber}}
    child {node{Chadic}}
    child {node{Egyptian}}
    child {node{Semitic} [sibling distance=7cm] 
      child {node{West Semitic} [sibling distance=3.5cm] 
        child {node{Ethiopian}}
        child {node{Central Semitic} [sibling distance=3.2cm]
          child {node{Old South Arabian}}
          child {node{Northwest Semitic} [sibling distance=2cm]
            child {node{Ugartic}}
            child {node{Aramic}}
            child {node{Canaanite} [sibling distance=2.5cm]
              child {node{Phoenician/Punic}}
              child {node{Moabite}}
              child {node{Ammonite}}
              child {node{Edomite}}
              child {node{Hebrew}}}}
          child {node{Arabic}}}
        child {node{Modern South Arabian}}}
      child {node{East Semitic} [sibling distance=1.5cm] 
        child {node{Eblaite}}
        child {node{Akkadian}}}}
    child {node{Cushitic}}
    child {node{Omotic}}  ;
  \end{tikzpicture}
\end{turn}
\caption{The Semitic languages in their Afro-Asiatic context}
\end{figure}

\end{document}

所有路径都从父节点上的给定点下降，正如我所指定的parent anchor=south，而不是标准的border。

我已经指定text height并text depth确保文本具有降部部分的节点与没有降部部分的节点对齐。

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