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TiKz：圆圈内的文字重叠

tag-icon • tag-icon tikz-pgf
TiKz：圆圈内的文字重叠

我怎样才能让文字恰好位于圆圈内而不像这样重叠？ 在此处输入图片描述

\documentclass[tikz,border=12pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
   %\usepgfplotslibrary{external}
%\tikzexternalize
\begin{document}
\def\firstcircle{(90:1cm) circle (2.5cm)}
  \def\secondcircle{(210:2.5cm) circle (2.5cm)}
  \def\thirdcircle{(330:2.5cm) circle (2.5cm)}
  \def\fourthcircle{(90:-3.5cm) circle (2.5cm)}
%\tikzsetnextfilename{4way_venn}
    \begin{tikzpicture}
\begin{scope}[ fill opacity=0.5]
        \fill[red] \firstcircle;
        \fill[green] \secondcircle;
        \fill[blue] \thirdcircle;
    \fill[cyan] \fourthcircle;\end{scope}
%    \begin{scope}
%      \clip \firstcircle;
%      \clip \secondcircle;
%      \clip \thirdcircle;
%\fill[cyan]\fourthcircle;
%    \end{scope}
      \draw \firstcircle node[text=black,above] {CO$_2$ reduction};
      \draw \secondcircle node [text=black, left=1cm] {Cost-effectiveness};
      \draw \thirdcircle node [text=black,right=-0.4cm] {Infection control};
\draw \fourthcircle node [text=black,below=1cm]{Customer satisfaction};

    \end{tikzpicture}
\end{document}

答案1

如果您将某个特定内容固定width到文本中，则align选项会根据宽度拆分长行。manual针对您的示例，可能的解决方案是：

\documentclass[tikz,border=12pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
   %\usepgfplotslibrary{external}
%\tikzexternalize
\begin{document}
\def\firstcircle{(90:1cm) circle (2.5cm)}
  \def\secondcircle{(210:2.5cm) circle (2.5cm)}
  \def\thirdcircle{(330:2.5cm) circle (2.5cm)}
  \def\fourthcircle{(90:-3.5cm) circle (2.5cm)}
%\tikzsetnextfilename{4way_venn}
    \begin{tikzpicture}
\begin{scope}[ fill opacity=0.5]
        \fill[red] \firstcircle;
        \fill[green] \secondcircle;
        \fill[blue] \thirdcircle;
    \fill[cyan] \fourthcircle;\end{scope}
%    \begin{scope}
%      \clip \firstcircle;
%      \clip \secondcircle;
%      \clip \thirdcircle;
%\fill[cyan]\fourthcircle;
%    \end{scope}
      \draw \firstcircle node[text=black,above, text width=2cm, align=center] {CO$_2$ reduction};
      \draw \secondcircle node [text=black, left, text width=2cm, align=center] {Cost-effectiveness};
      \draw \thirdcircle node [text=black,right, text width=2cm, align=center] {Infection control};
\draw \fourthcircle node [text=black,below, text width=2cm, align=center]{Customer satisfaction};

    \end{tikzpicture}
\end{document}

在此处输入图片描述

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