在 tikz 节点样式中绘制符号

Question

我正在尝试定义一些节点，其中将包含矩形节点内的标准符号：

\tikzset{ remember picture,
   SYMBOL/.style = {rectangle,
                    line width=1pt,
                    draw,align=center,
                    label={below:#1},
   },
}

这应该在节点文本内：

   \draw[line width=0.7pt] (-0.2,-0.2)--(-0.05,-0.2)--(0.05,0.2)--(0.2,0.2)
                           (-0.2,0)--(0.2,0);

我怎样才能做到这一点？

Answer 1

您可以将符号装箱，然后在\node文本内使用该框；将符号装箱将防止其继承包含的不需要的设置tikzpicture；如果不需要这样做，\newcommand则可以使用简单的方法：

\documentclass{article}
\usepackage{tikz}

\tikzset{ remember picture,
   SYMBOL/.style = {rectangle,
                    line width=1pt,
                    draw,align=center,
                    label={below:#1},
   },
}

\newsavebox\mybox
\savebox\mybox{%
\tikz\draw[line width=0.7pt] (-0.2,-0.2)--(-0.05,-0.2)--(0.05,0.2)--(0.2,0.2)
                           (-0.2,0)--(0.2,0);%
}

\begin{document}

\begin{tikzpicture}
\node[SYMBOL=text] {\usebox\mybox};
\node[SYMBOL=text,fill=cyan] at (2,0) {\usebox\mybox};
\end{tikzpicture}

\end{document}

如果每个 SYMBOL 节点都应包含给定的符号，那么您可以执行以下操作：

\documentclass{article}
\usepackage{tikz}

\tikzset{ remember picture,
   SYMBOL/.style = {rectangle,
    line width=1pt,
    draw,
    align=center,
    label={below:#1},
    label={center:\usebox\mybox},
    minimum size=20pt
   },
}

\newsavebox\mybox
\savebox\mybox{%
\tikz\draw[line width=0.7pt] (-0.2,-0.2)--(-0.05,-0.2)--(0.05,0.2)--(0.2,0.2)
                           (-0.2,0)--(0.2,0);%
}

\begin{document}

\begin{tikzpicture}
\node[SYMBOL=text] {};
\node[SYMBOL=text,fill=cyan] at (2,0) {};
\end{tikzpicture}

\end{document}