pgfmanual(Manual for Version 3.0.1a),在“A Picture for Karl’s Students”这一节结尾,用pic画角,哦哦,不错哦。
代码如下:- \begin{tikzpicture}[scale=3]
- \coordinate (A) at (1,0);
- \coordinate (B) at (0,0);
- \coordinate (C) at (30:1cm);
- \draw (A) -- (B) -- (C)
- pic [draw=green!50!black, fill=green!20, angle radius=9mm,
- "$\alpha$"] {angle = A--B--C};
- \end{tikzpicture}
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