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我想在圆圈上添加文字和箭头

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我想在圆圈上添加文字和箭头

我想画一个带有文字和箭头的圆圈，就像这张图片上的那样。 在此处输入图片描述

但我不知道如何使用 tkz-euclide 来做到这一点。

我已经做过类似的事情

\documentclass[10pt]{standalone}
\usepackage{tkz-euclide}

\begin{document}
\begin{tikzpicture}
\tkzDefPoint(0,0){O}
\tkzDefPoint(150:2){A}
\tkzDefPoint(330:2){B}
\tkzDefPoint(20:2){C}

\tkzDefPoint(268:2){D}

\tkzDefMidPoint(A,C)    \tkzGetPoint{e}
\tkzDefMidPoint(B,D)    \tkzGetPoint{f}

\tkzDrawSegments(A,B O,D O,C B,D O,e O,f)
\tkzMarkRightAngles(O,e,A O,f,D)

\tkzDrawSector[fill=gray!20](O,B)(C)

\tkzDrawCircle[R](O,2cm)
\filldraw[fill=gray!10] 
     (150:2cm)
  -- (20:2cm)  
  arc[start angle=20, end angle=150, radius=2cm] 
  -- cycle;

\end{tikzpicture}
\end{document}

在此处输入图片描述

我如何添加带有指向圆圈上物体的箭头的文字？

答案1

类似这样的操作——删除文本周围的框，删除draw选项

\draw[{Latex}-] ($(O)!0.5!(f)$)--++(0:2cm)node[draw, right, fill=orange!30, font =\tiny]{\begin{tabular}{@{}p{2cm}@{}}
        some text added here\\
\end{tabular}};

在此处输入图片描述

    \documentclass[10pt]{standalone}
\usepackage{tkz-euclide}

\usetikzlibrary{calc}
\begin{document}
\begin{tikzpicture}
\tkzDefPoint(0,0){O}
\tkzDefPoint(150:2){A}
\tkzDefPoint(330:2){B}
\tkzDefPoint(20:2){C}

\tkzDefPoint(268:2){D}

\tkzDefMidPoint(A,C)    \tkzGetPoint{e}
\tkzDefMidPoint(B,D)    \tkzGetPoint{f}

\tkzDrawSegments(A,B O,D O,C B,D O,e O,f)
\tkzMarkRightAngles(O,e,A O,f,D)

\tkzDrawSector[fill=gray!20](O,B)(C)

\tkzDrawCircle[R](O,2cm)
\filldraw[fill=gray!10] 
     (150:2cm)
  -- (20:2cm)  
  arc[start angle=20, end angle=150, radius=2cm] 
  -- cycle;
%\tkzLabelPoints(A,B,C,D,e,f,O)
\draw[{Latex}-] ($(O)!0.5!(f)$)--++(0:2cm)node[draw, right, fill=orange!30, font =\tiny]{\begin{tabular}{@{}p{2cm}@{}}
        some text added here\\
\end{tabular}};
\draw[{Latex}-] ($(A)!0.5!(e)$)--++(45:2cm)--++(2,0cm)node[draw, right, fill=orange!30, font =\tiny]{\begin{tabular}{@{}p{2cm}@{}}
        some text added here\\
\end{tabular}};
\draw[{Latex}-] ($(C)!0.5!(B)$)--++(45:1cm)--++(4pt,0cm)node[draw, right, fill=orange!30, font =\tiny]{\begin{tabular}{@{}p{2cm}@{}}
        some text added here\\
\end{tabular}};
\end{tikzpicture}
\end{document}

答案2

您可以直接使用 tikz：例如\draw [thick, red, latex-] (80:1.5) - (80:2.5) node [above] {tembereng};。根据需要调整坐标。

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