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我想绘制一个包含所有grandchilds（粉色框）的最小框，在此处输入图片描述并将深绿色框的文本移动到新框的底部。我该怎么做？

代碼：

\documentclass{standalone}
\usepackage{forest}
\usetikzlibrary{arrows.meta,shapes,positioning,shadows,trees}

\tikzset{
    basic/.style  = {draw, text width=2cm, drop shadow, font=\sffamily, rectangle},
    basic1/.style  = {draw,  drop shadow, font=\sffamily, rectangle},
    root/.style   = {basic, rounded corners=2pt, thin, align=center,                    fill=green!30},
    onode/.style = {basic, thin, rounded corners=2pt, align=center, fill=green!60,text width=3cm,},
    tnode/.style = {basic1, thin, align=left, fill=pink!60},
    edge from parent/.style={draw=black, edge from parent fork right}
}
%
\begin{document}
\title{Structure of Book}
\begin{forest} for tree={anchor=base west,
    grow=east,
    growth parent anchor=east,
    parent anchor=east,
    child anchor=west,
    edge path={\noexpand\path[\forestoption{edge},->, >={latex}] 
         (!u.parent anchor) -- +(5pt,0pt) |- (.child anchor)
         \forestoption{edge label};}
}
[Nonlinear Stochastic Systems, root
       [{Applications to Complex Systems, NCSs, GRNs}, onode
       [Chapter 8\\ Complex Networks, tnode]
        [Chapter 7\\ Networked Control Systems, tnode] 
        [Chapter 5\\Gene Regulatory Networks, tnode] ] 
]
\end{forest}
\end{document}

答案1

更新

这是使用两个框的新版本。我更改了节点之间的空间，以便可以有多个虚线框。

输出

图1

代码

\documentclass[margin=10pt]{standalone}
\usepackage{forest}
\usetikzlibrary{arrows.meta,shapes,positioning,shadows,fit,trees}

\tikzset{
    basic/.style  = {draw, text width=2cm, drop shadow, font=\sffamily, rectangle},
    basic1/.style  = {draw,  drop shadow, font=\sffamily, rectangle},
    root/.style   = {basic, rounded corners=2pt, thin, align=center,                    fill=green!30},
    onode/.style = {basic, thin, rounded corners=2pt, align=center, fill=green!60,text width=3cm,},
    tnode/.style = {basic1, thin, align=left, fill=pink!60},
    edge from parent/.style={draw=black, edge from parent fork right}
}
%
\begin{document}
\title{Structure of Book}
\begin{forest} for tree={anchor=base west,
    grow=east,
    growth parent anchor=east,
    parent anchor=east,
    child anchor=west,l sep+=1em,s sep=5mm,
    edge path={\noexpand\path[\forestoption{edge},->, >={latex}] 
         (!u.parent anchor) -- +(1em,0pt) |- (.child anchor)
         \forestoption{edge label};}
}
[Nonlinear Stochastic Systems, root
       [Chapter 8\\ Complex Networks, tnode, name=eight]
        [Chapter 7\\ Networked Control Systems, tnode, name=seven] 
        [Chapter 5\\Gene Regulatory Networks, tnode, name=five]
        [Chapter 11\\randomly varying nonlinearities, tnode, name=eleven]
        [Chapter 6 \, 10\\missing measurement, tnode] 
        [Chapter 9\\randomly occurring nonlinearities, tnode, name=nine] ] ] 
%
\node [draw, dashed, black!40, inner sep=.4em, fit={(eight) (five) (seven)}, label={[align=left]0:Applications to\\Complex Systems,\\NCSs, GRNs}] {};
\node [draw, dashed, black!40, inner sep=.4em, fit={(eleven) (nine)}, label={[align=left]0:Analysis of\\something complex\\more text}] {};
\end{forest}
\end{document}

答案2

这回答了评论中的问题Alenanno 的回答。

如果你想要这样的东西：

群组

\node如果我们使用相对节点名称并在树本身内指定附加命令，则无需明确命名节点。这可以使用tikz键或afterthought键来完成。在下文中，我使用前者。我还修剪了不必要的样式onode（顺便说一下，它最初代表“橙色节点”）。我还整理了一下并改进了间距，在我之前发布的版本中，间距有点被挤压了。

fitbox指定用于绘制虚线框的样式。我已将所有节点都设为圆角，因为混合使用看起来很奇怪，但您显然可以调整这一点。

fitting是一种采用一个参数的样式。这指定要包含在虚线框中的节点。您可以使用明确命名的节点（例如(nine)命名节点）name=nine或使用相对节点名称（如我这里所用）。(!n)是下一个兄弟节点、(!nn)是下一个兄弟节点的兄弟节点等等。

这使得代码更加清晰，更加易读。

\documentclass[margin=10pt]{standalone}
\usepackage{forest}
\usetikzlibrary{arrows.meta,shadows,fit}

\tikzset{
    basic/.style  = {draw, text width=2cm, drop shadow},
    basic1/.style = {draw,  drop shadow, rectangle},
    root/.style   = {basic, rounded corners=2pt, thin, align=center, fill=green!30},
    tnode/.style = {basic1, thin, align=left, fill=pink!60, rounded corners=2pt},
    fitbox/.style = {draw, gray, dashed, inner ysep=5pt, inner xsep=7.5pt, rounded corners=2pt},
}
\forestset{
  fitting/.style={
    tikz={\node [fitbox, fit=#1] {};},
    no edge,
    inner ysep=0pt,
  }
}
\begin{document}
\title{Structure of Book}
\begin{forest}
  for tree={
    anchor=base west,
    grow=east,
    parent anchor=east,
    parent anchor=east,
    child anchor=west,
    l sep+=1em,
    align=left,
    font=\sffamily,
    edge={->, >={latex}},
    edge path={
      \noexpand\path[\forestoption{edge}]  (!u.parent anchor) -- +(1em,0pt) |- (.child anchor)\forestoption{edge label};
    },
  }
  [Nonlinear\\Stochastic\\Systems, root
    [{Applications to\\Complex Systems,\\NCSs, GRNs}, fitting={(!nnn) (!n) (!nn)}]
    [Chapter 8\\ Complex Networks, tnode]
    [Chapter 7\\ Networked Control Systems, tnode]
    [Chapter 5\\Gene Regulatory Networks, tnode]
    [{Analysis and Synthesis\\for Systems with\\Incomplete Information},  fitting={(!n) (!nn) (!nnn)}]
    [Chapter 11\\randomly varying nonlinearities, tnode]
    [{Chapter 6, 10\\something},tnode]
    [{Chapter 9\\randomly occurring somethings},tnode]
  ]
\end{forest}
\end{document}

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