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TikZ：保持节点与线分离

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TikZ：保持节点与线分离

我在图片顶部设置了所有可以立即设置的节点和坐标TikZ。但是，一条线可能会遮挡节点。如果节点位于线之后，我可以使用fill = white它将线的该部分变白。我可以在不移动有问题的线下方的节点的情况下实现类似的效果吗？我知道我们可以建议移动节点，但在某些情况下，情况并非如此。

\documentclass{article}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}[
  every label/.append style = {font = \small},
  dot/.style = {outer sep = +0pt, inner sep = +0pt,
    shape = circle, draw = black, label = {#1}},
  dot/.default =,
  small dot/.style = {minimum size = .1cm, dot = {#1}},
  small dot/.default =,
  big dot/.style = {minimum size = .15cm, dot = {#1}},
  big dot/.default =
  ]
  \node[scale = .75, fill = black, big dot = {below: \(F\)}]
    (F) at (2.5, 0) {};

  \draw (2.5, 1) -- (2.5, -1);
\end{tikzpicture}
\end{document}

在此处输入图片描述

在此处输入图片描述

答案1

您可以使用该backgrounds库将线放在“背景层”上，然后用白色填充节点：

\documentclass{article}
\usepackage{tikz}
  \usetikzlibrary{backgrounds} % use backgrounds library

\begin{document}
\begin{tikzpicture}[
  every label/.append style = {font = \small},
  dot/.style = {outer sep = +0pt, inner sep = +0pt,
    shape = circle, draw = black, label = {#1}},
  dot/.default =,
  small dot/.style = {minimum size = .1cm, dot = {#1}},
  small dot/.default =,
  big dot/.style = {minimum size = .15cm, dot = {#1}},
  big dot/.default =
  ]
  \node[scale = .75, fill = black, big dot = {below,fill=white: \(F\)}]
    (F) at (2.5, 0) {};

  % put line on background layer
  \begin{scope}[on background layer]
  \draw (2.5, 1) -- (2.5, -1);
  \end{scope}
\end{tikzpicture}
\end{document}

在此处输入图片描述

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