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末端葉ノード円

tag-icon • tag-icon tikz-pgf tikz-trees tikz-node istgame
末端葉ノード円

これは次の質問へのフォローアップですこれ。

コード：

\documentclass[12pt]{article}
\usepackage{istgame}
\usepackage{tikz}
\usetikzlibrary{shapes,arrows.meta, positioning}

\begin{document}    
    \begin{center}
        \begin{istgame}
            \setistNewNodeStyle{max}
            [regular polygon, regular polygon sides = 3]{1.5cm}
            \setistNewNodeStyle{min}
            [regular polygon, regular polygon sides = 3, shape border rotate = 180]{1.5cm}
            \setistNewNodeStyle{chance}
            [circle]{1.2cm}
            %\xtShowTerminalNodes[box node, minimum size = 1cm]
            \def\distFactor{20};
            \xtdistance{\distFactor mm}{4*\distFactor mm}
            \setxtarrowtips[blue, thick]
            \istroot(0)[max]<center, blue>{1.5}
            \istb[blue, ->-] \istb \endist
            \xtdistance{\distFactor mm}{2*\distFactor mm}
            \istroot(1)(0-1)[chance]<center, purple>{1.5}
            \istb{0.5}[al] \istb{0.5}[ar] \endist
            \istroot(2)(0-2)[chance]<center, purple>{$\leq 1$}
            \istb{0.5}[al] \istb{0.5}[ar] \endist
            \xtdistance{\distFactor mm}{\distFactor mm}
            \istroot(3)(1-1)[min]<center, red>{2}
            \istb{}{2} \istb{}{5000}[[circle, draw, yshift = 2pt, minimum size = 0.75cm] below] \endist
            \istroot(4)(1-2)[min]<center, red>{1}
            \istb{}{1} \istb{}{100}[[circle, draw, yshift = 2pt, minimum size = 0.75cm] below] \endist
            \istroot(5)(2-1)[min]<center, red>{0}
            \istb{}{0} \istb{}{2}[[circle, draw, yshift = 2pt, minimum size = 0.75cm] below] \endist
            \istroot(6)(2-2)[min]
            \istb{}{-1}[[circle, draw, yshift = 2pt, minimum size = 0.75cm] below] \istb{}{0}[[circle, draw, yshift = 2pt, minimum size = 0.75cm] below] \endist
        \end{istgame}
    \end{center}
\end{document}

出力：

ここに画像の説明を入力してください

minimum size解決策の一部ですが、端末値を最大の円の内側のものと揃える方法はありますか？（この出力を得るために端末値が間違ってリストされていることに注意してください）

答え1

これを行う 1 つの方法は、\xtShowEndPointsに続いてを使用することですxtShowTerminalNodes。

ここに画像の説明を入力してください

\documentclass[12pt,border=2pt]{standalone}
\usepackage{istgame}
%\usepackage{tikz}
%\usetikzlibrary{shapes,arrows.meta, positioning}

\begin{document}    

\begin{istgame}
\setistNewNodeStyle{max}
  [regular polygon, regular polygon sides = 3]{1.5cm}
\setistNewNodeStyle{min}
  [regular polygon, regular polygon sides = 3, shape border rotate = 180]{1.5cm}
\setistNewNodeStyle{chance}
  [circle]{1.2cm}
\def\distFactor{20};
\xtdistance{\distFactor mm}{4*\distFactor mm}
\setxtarrowtips[blue, thick]
\istroot(0)[max]<center, blue>{1.5}
  \istb[blue, ->-] 
  \istb 
  \endist
\xtdistance{\distFactor mm}{2*\distFactor mm}
\istroot(1)(0-1)[chance]<center, purple>{1.5}
  \istb{0.5}[al] 
  \istb{0.5}[ar] 
  \endist
\istroot(2)(0-2)[chance]<center, purple>{$\leq 1$}
  \istb{0.5}[al] 
  \istb{0.5}[ar] 
  \endist
%% terminal nodes with or without circles (TRICK!!)
\xtShowEndPoints[circle,draw,minimum size=1.1cm] % comes before \xtShowTerminalNodes
\xtShowTerminalNodes[circle,draw=none,minimum size=1.1cm]
\xtdistance{\distFactor mm}{\distFactor mm}
\istroot(3)(1-1)[min]<center, red>{2}
  \istbt{}{2}[center]   %
  \istb{}{5000}[center] 
  \endist
\istroot(4)(1-2)[min]<center, red>{1}
  \istbt{}{1}[center]   %
  \istb{}{100}[center] 
  \endist
\istroot(5)(2-1)[min]<center, red>{0}
  \istbt{}{0}[center]   %
  \istb{}{2}[center] 
  \endist
\istroot(6)(2-2)[min]
  \istb{}{-1}[center] 
  \istb{}{0}[center] 
  \endist
\end{istgame}

\end{document}

関連情報