circuitikz 是否具有内置功率耗散/生产箭头?

circuitikz 是否具有内置功率耗散/生产箭头?

作为我的电气工程部门的一部分,我想展示产生或耗散能量的各种元素。

我的一个讲座上有这张图片,我想知道是否使用 TiZ 是实现此图像的唯一方法。

我很乐意修改输出,如果 CircuiTiZ 已预先定义这些形状。

功率耗散(无源元件)

我使用 LaTeX 的尝试:

\documentclass{standalone}
\usepackage{circuitikz}
\usetikzlibrary{decorations.pathmorphing}

\begin{document}
\begin{circuitikz}
    \draw (0, 0) -- (0.5, 0) to[generic] (0.5, 2) -- (0, 2);
    % Current direction arrows
    \draw[latex-] (-0.5, 2) node[anchor = east] {$i$} -- (-.1, 2);
    \draw[latex-] (-0.1, 0) -- (-.5, 0);
    % Charge signs
    \draw (0.5, 0) node[anchor = west] {$-$};
    \draw (0.5, 2) node[anchor = west] {$+$};
    % Power snake line
    \draw[<-, decorate, decoration = {snake, amplitude = .4mm, segment length = 2mm}]
    (0.71, 1) -- (1.21, 1.5) node[anchor = west] {$p=-vi$};
\end{circuitikz}
\end{document}

LaTeX 尝试

答案1

to[out=<angle>,in=<another angle>]如果您希望箭头像图片中的那样,那么可以使用语法:

弯箭

\documentclass{standalone}
\usepackage{circuitikz}

\begin{document}
\begin{circuitikz}
    \draw (0, 0) -- (0.5, 0) to[generic] (0.5, 2) -- (0, 2);
    % Current direction arrows
    \draw[latex-] (-0.5, 2) node[anchor = east] {$i$} -- (-.1, 2);
    \draw[latex-] (-0.1, 0) -- (-.5, 0);
    % Charge signs
    \draw (0.5, 0) node[anchor = west] {$-$};
    \draw (0.5, 2) node[anchor = west] {$+$};
    % Power snake line
    \draw[<-] (0.72, 1) to[out=0,in=180] (1.21, 1.5) node[anchor = west] {$p=-vi$};
\end{circuitikz}
\end{document}

答案2

circuitikz基本上是 Ti 的扩展Z,所以我认为没有必要重新做已经存在的东西。你可以使用高级锚来获得某种力量流(见https://texdoc.org/serve/circuitikz/0#subsection.5.8),但在这种情况下 TiZ 为您提供很好的服务。

我建议定义一种样式,然后使用相对坐标来定位你的动力蛇(这样如果你移动组件,你就不必改变任何东西:)


\documentclass{standalone}
\usepackage{circuitikz}
\usetikzlibrary{decorations.pathmorphing}
\tikzset{power snake/.style=
    {Latex-, decorate, decoration={snake,
        amplitude=.4mm,segment length=2mm,post length=.2mm, pre length=2mm}
    }
}

\begin{document}
\begin{circuitikz}
    % name the component
    \draw (0, 0) -- (0.5, 0) to[generic, name=comp] (0.5, 2) -- (0, 2);
    % Current direction arrows
    \draw[latex-] (-0.5, 2) node[anchor = east] {$i$} -- (-.1, 2);
    \draw[latex-] (-0.1, 0) -- (-.5, 0);
    % Charge signs
    \draw (0.5, 0) node[anchor = west] {$-$};
    \draw (0.5, 2) node[anchor = west] {$+$};
    % Power snake line (use the component anchor, remember that anchors are
    % defined for the horizontal component going left to right!
    \draw[power snake] (comp.south) -- ++(.6,.5) node[anchor = west] {$p=-vi$};
\end{circuitikz}
\end{document}

在此处输入图片描述

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