來自父級[虛線]的邊使節點本身成為虛線？

Question

我有一個類似的問題，正如這裡所問的：如何設定樹中單一邊的樣式（TikZ）？

我有一棵樹，用 tikz 建造的。我想將一些單邊設計為虛線，而不是實線。所以我做了上面線程中提到的事情，它確實起作用了，但奇怪的是，節點本身的邊緣後面跟著具有傳入點狀邊緣的節點也是點狀的。為什麼？

這是上面提到的線程的範例，更改為虛線邊緣：

\documentclass{article}
\usepackage{tikz}
\begin{document}
    \begin{tikzpicture} [
    level 1/.style={sibling distance = 2cm, level distance = 1cm},
    level 2/.style={sibling distance = 1cm},
    level 3/.style={sibling distance = 1cm},
    every node/.style={circle, draw=black,thin, minimum size = 0.5cm},
    emph/.style={edge from parent/.style={dashed,red,very thick,draw}},
    norm/.style={edge from parent/.style={solid,black,thin,draw}}
    ]

    \begin{scope}[xshift=6cm]
    \node{} 
    child[emph] { node {}
        child[norm] { node {} }
        child[norm] { node {}
            child[emph] { node {} }
            child { node {} }
        }
    }
    child { node {}
        child { node {} }
        child { node {} }
    }
    child { node {} }
    ;
    \end{scope}
    \end{tikzpicture}

\end{document}

它是這樣的：

Answer 1

您需要添加solid到every nodes/.style

\documentclass{article}
\usepackage{tikz}
\begin{document}
    \begin{tikzpicture} [
    level 1/.style={sibling distance = 2cm, level distance = 1cm},
    level 2/.style={sibling distance = 1cm},
    level 3/.style={sibling distance = 1cm},
    every node/.style={circle,solid, draw=black,thin, minimum size = 0.5cm},
    emph/.style={edge from parent/.style={dashed,red,very thick,draw}},
    norm/.style={edge from parent/.style={solid,black,thin,draw}}
    ]

    \begin{scope}[xshift=6cm]
    \node{} 
    child[emph] { node {}
        child[norm] { node {} }
        child[norm] { node {}
            child[emph] { node {} }
            child { node {} }
        }
    }
    child { node {}
        child { node {} }
        child { node {} }
    }
    child { node {} }
    ;
    \end{scope}
    \end{tikzpicture}

\end{document}