我希望围绕节点 C_{32} 和 C_{23} 的矩形刚好包含这些节点，例如 C_{12} 和 C_{22}
我的代码如下：我已设法旋转矩形，但矩形过度拟合
\documentclass{article}
\pagestyle{empty}
\usepackage{tikz}
\usetikzlibrary{fit}
\usetikzlibrary{patterns}
\tikzset{
vertex/.style={
fill,
shape=circle,
node distance=80pt},
edge/.style={
fill,
opacity=.2,
fill opacity=.5,
line cap=round,
line join=round,
line width=20pt},
elabel/.style={
fill,
shape=circle,
node distance=30pt,
opacity = .2}
}
\pgfdeclarelayer{background}
\pgfsetlayers{background,main}
\begin{document}
\begin{tikzpicture}
\begin{pgfonlayer}{background}
%Task T1
\node[vertex,label={[font = \Large]above:\(C_{11}, \$30\)}] (v1) {};
\node[vertex,right of=v1,label={[font = \Large]above:\(C_{12}, \$10\)}] (v2) {};
\node[vertex,right of=v2,label={[font = \Large]above:\(C_{13}, \$25\)}] (v3) {};
\node[vertex,right of=v3,label={[font = \Large]above:\(C_{14}, \$15\)}] (v4) {};
\node[vertex,right of=v4,label={[font = \Large]above:\(C_{15}, \$15\)}] (v5) {};
%Task T2
\node[vertex,below of=v1,label={[font = \Large]above:\(C_{21}\)}] (v6) {};
\node[vertex,right of=v6,label={[font = \Large]above:\(C_{22}, \$10\)}] (v7) {};
\node[vertex,right of=v7,label={[font = \Large]above:\(C_{23}, \$15\)}] (v8) {};
\node[vertex,right of=v8,label={[font = \Large]above:\(C_{24}, \$20\)}] (v9) {};
\node[vertex,right of=v9,label={[font = \Large]above:\(C_{25}, \$15\)}] (v10) {};
%Task T3
\node[vertex,below of=v6,label={[font = \Large]above:\(C_{31}\)}] (v11) {};
\node[vertex,right of=v11,label={[font = \Large]above:\(C_{32}, \$15\)}] (v12) {};
\node[vertex,right of=v12,label={[font = \Large]above:\(C_{33}, \$15\)}] (v13) {};
\node[vertex,right of=v13,label={[font = \Large]above:\(C_{34}, \$15\)}] (v14) {};
%Edges
\draw[edge,color=green] (v6) -- (v11);
\draw[edge,color=blue] (v2) -- (v7);
\draw[edge,color=violet] (v8) -- (v12);
\draw[edge,color=cyan] (v4) -- (v9) -- (v13);
\draw[edge,color=orange] (v5) -- (v10) -- (v14);
\end{pgfonlayer}
%Labels
\node[elabel,color=green,label=right:\(\$50\)] (e1) at (0,-7) {};
\node[elabel, color=blue,label=right:\(\$15\)] (e2) at (1.5, -7) {};
\node[elabel,color=violet,label=right:\(\$15\)] (e3) at (3,-7) {};
\node[elabel,color=cyan,label=right:\(\$40\)] (e4) at (4.5, -7) {};
\node[elabel,color=orange, label=right:\(\$30\)] (e5) at (6.0,-7) {};
%Task nodes
\node[left of=v1,label={[font = \Large]above:Task \( T_1\)}, rotate = 90] (t1) {};
\node[left of=v6,label={[font = \Large]above:Task \(T_2\)}, rotate = 90] (t2) {};
\node[left of=v11,label={[font = \Large]above:Task \(T_3\)}, rotate = 90] (t3) {};
%\draw (-1,1.2) rectangle (1,-9.8);
\node [draw, fit=(v1)(v5), inner sep=28pt] {};
\node [draw, fit=(v6)(v10), inner sep=28pt] {};
\node [draw, fit=(v11)(v14), inner sep=28pt] {};
%Edge Composition Constraint
\node [draw, fit=(v2)(v7), inner sep=20pt] {};
\node [draw, fit=(v8)(v12), rotate fit=45, inner sep = 12pt] {};
\end{tikzpicture}
\end{document}
答案1
顺序很重要。你必须rotate fit=<angle>在之前提及fit=<coordinates>。
\node [draw, rotate fit=45, fit=(v8)(v12), inner sep = 12pt] {};
完整代码：
\documentclass{article}
\pagestyle{empty}
\usepackage{tikz}
\usetikzlibrary{fit}
\usetikzlibrary{patterns}
\tikzset{
vertex/.style={
fill,
shape=circle,
node distance=80pt},
edge/.style={
fill,
opacity=.2,
fill opacity=.5,
line cap=round,
line join=round,
line width=20pt},
elabel/.style={
fill,
shape=circle,
node distance=30pt,
opacity = .2}
}
\pgfdeclarelayer{background}
\pgfsetlayers{background,main}
\begin{document}
\begin{tikzpicture}
\begin{pgfonlayer}{background}
%Task T1
\node[vertex,label={[font = \Large]above:\(C_{11}, \$30\)}] (v1) {};
\node[vertex,right of=v1,label={[font = \Large]above:\(C_{12}, \$10\)}] (v2) {};
\node[vertex,right of=v2,label={[font = \Large]above:\(C_{13}, \$25\)}] (v3) {};
\node[vertex,right of=v3,label={[font = \Large]above:\(C_{14}, \$15\)}] (v4) {};
\node[vertex,right of=v4,label={[font = \Large]above:\(C_{15}, \$15\)}] (v5) {};
%Task T2
\node[vertex,below of=v1,label={[font = \Large]above:\(C_{21}\)}] (v6) {};
\node[vertex,right of=v6,label={[font = \Large]above:\(C_{22}, \$10\)}] (v7) {};
\node[vertex,right of=v7,label={[font = \Large]above:\(C_{23}, \$15\)}] (v8) {};
\node[vertex,right of=v8,label={[font = \Large]above:\(C_{24}, \$20\)}] (v9) {};
\node[vertex,right of=v9,label={[font = \Large]above:\(C_{25}, \$15\)}] (v10) {};
%Task T3
\node[vertex,below of=v6,label={[font = \Large]above:\(C_{31}\)}] (v11) {};
\node[vertex,right of=v11,label={[font = \Large]above:\(C_{32}, \$15\)}] (v12) {};
\node[vertex,right of=v12,label={[font = \Large]above:\(C_{33}, \$15\)}] (v13) {};
\node[vertex,right of=v13,label={[font = \Large]above:\(C_{34}, \$15\)}] (v14) {};
%Edges
\draw[edge,color=green] (v6) -- (v11);
\draw[edge,color=blue] (v2) -- (v7);
\draw[edge,color=violet] (v8) -- (v12);
\draw[edge,color=cyan] (v4) -- (v9) -- (v13);
\draw[edge,color=orange] (v5) -- (v10) -- (v14);
\end{pgfonlayer}
%Labels
\node[elabel,color=green,label=right:\(\$50\)] (e1) at (0,-7) {};
\node[elabel, color=blue,label=right:\(\$15\)] (e2) at (1.5, -7) {};
\node[elabel,color=violet,label=right:\(\$15\)] (e3) at (3,-7) {};
\node[elabel,color=cyan,label=right:\(\$40\)] (e4) at (4.5, -7) {};
\node[elabel,color=orange, label=right:\(\$30\)] (e5) at (6.0,-7) {};
%Task nodes
\node[left of=v1,label={[font = \Large]above:Task \( T_1\)}, rotate = 90] (t1) {};
\node[left of=v6,label={[font = \Large]above:Task \(T_2\)}, rotate = 90] (t2) {};
\node[left of=v11,label={[font = \Large]above:Task \(T_3\)}, rotate = 90] (t3) {};
%\draw (-1,1.2) rectangle (1,-9.8);
\node [draw, fit=(v1)(v5), inner sep=28pt] {};
\node [draw, fit=(v6)(v10), inner sep=28pt] {};
\node [draw, fit=(v11)(v14), inner sep=28pt] {};
%Edge Composition Constraint
\node [draw, fit=(v2)(v7), inner sep=20pt] {};
\node [draw, rotate fit=45, fit=(v8)(v12), inner sep = 12pt] {};
\end{tikzpicture}
\end{document}