使用 tikz 绘制带分区的抽象区域

Question

我想绘制一个包含五个分区的抽象区域，每个分区的阴影和标签都不同。示例区域（无阴影）如下：

Answer 1

这是一个基本选项TikZ并按适当顺序剪辑和填充：

\documentclass{article}
\usepackage{tikz}

\begin{document}

\begin{tikzpicture}
\path
  coordinate (aux0) at (0,1.5)
  coordinate (aux1) at (0,3.5)
  coordinate (aux2) at (10,3.5)
  coordinate (aux3) at (9,6)
  coordinate (aux4) at (4,0)
  coordinate (aux5) at (7,0)
  coordinate (aux6) at (2,6)
  coordinate (aux7) at (5,6)
  coordinate (esp1) at (0.2,2.5)
  coordinate (esp2) at (1.5,1.5)
  coordinate (esp3) at (3,0.1)
  coordinate (esp4) at (5.5,1.1)
  coordinate (esp5) at (8,0.5)
  coordinate (esp6) at (8.75,2)
  coordinate (esp7) at (9.7,3)
  coordinate (esp8) at (6.5,4.5)
  coordinate (esp9) at (3.8,5.8)
  coordinate (esp10) at (1.5,4)
  ;
\draw[line width=0.8pt]
  (esp1) to[out=-90,in=170]
  (esp2) to[out=-10,in=170]
  (esp3) to[out=-10,in=180]
  (esp4) to[out=0,in=180]
  (esp5) to[out=10,in=-150]
  (esp6) to[out=20,in=-90]
  (esp7) to[out=90,in=-60]
  (esp8) to[out=120,in=0]
  (esp9) to[out=180,in=0]
  (esp10) to[out=180,in=90]
  cycle;    
\clip
  (esp1) to[out=-90,in=170]
  (esp2) to[out=-10,in=170]
  (esp3) to[out=-10,in=180]
  (esp4) to[out=0,in=180]
  (esp5) to[out=10,in=-150]
  (esp6) to[out=20,in=-90]
  (esp7) to[out=90,in=-60]
  (esp8) to[out=120,in=0]
  (esp9) to[out=180,in=0]
  (esp10) to[out=180,in=90]
  cycle;    
\filldraw[fill=cyan!40]
  (aux4) to[bend right=10]
  (aux6) --
  (aux7) to[bend left=10]
  (aux5) -- cycle;
\filldraw[fill=brown!60]
  (aux5) to[bend right=10]
  (aux7) --
  (10,6) --
  (10,0) -- cycle;
\filldraw[fill=green!30]
  (aux0) -- 
  (aux1) to[bend right=10]
  (aux3) --
  (10,6) -- 
  (aux2) to[bend left=10] cycle;
\filldraw[fill=yellow!50]
  (0,0) -- 
  (aux4) to[bend right=10]
  (aux6) --
  (0,6) -- 
  (0,0) -- cycle;
\filldraw[fill=orange!40]
  (0,6) -- 
  (aux1) to[bend right=10]
  (aux3) --
  (0,6) -- cycle;
\node at (4,5) {$E_1$};  
\node at (2,2) {$E_2$};  
\node at (6,3.3) {$E_3$};  
\node at (4.4,1.3) {$E_4$};  
\node at (7.5,2) {$E_5$};  
\end{tikzpicture}

\end{document}