绘制 Tikzpicture

Question

我想使用 tikzpicture 绘制以下图片。你能帮帮我吗？

提前致谢。

问候，

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Answer 1

这复制了您的大部分屏幕截图，但我没有耐心插入文本。您从云的内部开始，将云放在它周围，然后添加其他内容。三箭头可以方便地用图片完成，trident我在这里添加了它。

\documentclass[tikz,border=3mm]{standalone}
\usepackage{amsmath}
\usetikzlibrary{arrows.meta,backgrounds,calc,fit,positioning,shadows.blur,shapes.symbols}
\begin{document}
\begin{tikzpicture}[pics/trident/.style={code={
  \draw[->] (0,0) -- (45:0.5);
  \draw[->] (0,0) -- (0:{0.5/sqrt(2)});
  \draw[->] (0,0) -- (-45:0.5);
  \fill(0,0) circle[radius=2pt];
 }},>={Triangle},circ/.style={circle,draw,minimum size=1.6em,inner sep=1pt},
 truncated/.style={path picture={
    \draw ([xshift=-#1]path picture bounding box.north)
      -- ([xshift=-#1]path picture bounding box.south)
      ([xshift=#1]path picture bounding box.north)
      -- ([xshift=#1]path picture bounding box.south);
    }},truncated/.default=1ex,
 Dotted/.style={% https://tex.stackexchange.com/a/101263/194703
 line cap=round, dash pattern=on 0pt off 4.5\pgflinewidth,shorten >=1ex,shorten
 <=1ex}]
  \begin{scope}[local bounding box=fit]
    \node[circ] (i) {$\boldsymbol{i}$};
    \draw[<-] (i) -- ++ (160:1.2) coordinate (aux1);
    \draw[<-] (i) -- ++ (-160:1.2) coordinate (aux2);
    \draw[thick] (i) -- ++ (20:1.2) coordinate (aux3) pic[pos=1,sloped,thin]{trident};
    \draw[thick] (i) -- ++ (-20:1.2) coordinate (aux4) pic[pos=1,sloped,thin]{trident};
    \path (aux1) -- node(Ini){In$(i)$} (aux2)  (aux3) -- node{Out$(i)$} (aux4)
    (aux3) ++ (0,0.7) coordinate (aux6);
    \node[below=1.1cm of Ini,circ](lc1){$\phantom{i}$};
    \draw[thick] (lc1) -- node[above]{$e$} node[below=0.5ex]{$U_eR_e$}++ (00:1) coordinate(aux5) pic[pos=1,sloped,thin]{trident};
    \path coordinate[right=7mm of aux5](lc2)
     node[above=0.4em of lc2,circ](lc3){$\phantom{i}$}
     node[below=0.4em of lc2,circ](lc4){$\phantom{i}$}; 
  \end{scope}
  %
  \begin{scope}[on background layer]
   \node[cloud,cloud puffs=6,draw,blur shadow={shadow xshift=0em},
     fit=(fit),fill=white,inner sep=-1em,
     label=above:Network](cloud){};
  \end{scope}
  % 
  \path  (cloud.20) -- ++ (20:1.5) node[circ](1) {$\boldsymbol{1}$}
    coordinate[pos=0.4] (auxTR)
    node[above=1em]{Sinks $\mathcal{T}$};
  \draw[->] (cloud) -- (1);
  \path  (cloud.0) -- ++ (0:1.5) node[circ](t) {$\boldsymbol{t}$}
   node[right=1em]{$\boldsymbol{Y}_{\beta(t)}$};
  \draw[->] (cloud) -- (t);
  \path  (cloud.-20) -- ++ (-20:1.5) 
    node[circ,truncated=1.1ex](T) {$\mathcal{T}$}
        coordinate[pos=0.4] (auxBR);
  \draw[->] (cloud) -- (T);
  %
  \draw[line width=1.8pt,Dotted] (auxTR) -- (auxBR);
  %
  \path  (cloud.160) -- ++ (160:1.5) node[circ](1') {$\boldsymbol{1}$}
    node[above=1em]{Sources $\mathcal{T}$}
    coordinate[pos=0.5] (auxTL) ;
  \draw (1'.-20) -- ++ (-20:0.7) pic[pos=1,sloped]{trident};
  \path  (cloud.180) -- ++ (180:1.7) node[circ](s) {$\boldsymbol{s}$}
    node[left=1em]{$Y_s$};
  \draw (s.00) -- ++ (00:0.7) pic[pos=1,sloped]{trident};
  \path  (cloud.-160) -- ++ (-160:1.5) node[circ,truncated=1.1ex](S) {$\mathcal{S}$}
    coordinate[pos=0.5] (auxBL)  ;
  \draw (S.20) -- ++ (20:0.7) pic[pos=1,sloped]{trident};
  %
  \draw[line width=1.8pt,Dotted] (auxTL) -- (auxBL);
\end{tikzpicture}
\end{document}