1 \documentclass{standalone}
4 \usetikzlibrary{shapes.symbols}
5 \usetikzlibrary{arrows}
10 \begin{tikzpicture}[>=stealth]
11 \draw [->] (0,0) -- (0,5);
12 \draw [->] (0,0) -- (5,0);
13 \draw [->] (0,0) -- (0,0,5);
15 \node[draw,red,cloud,minimum height=2cm,minimum width=2cm] (mop) at (3,4,3) {$\color{black}\bullet$};
17 \node (os) at (2.5,2,3) {object system};
18 \draw (os) -- (mop.center);
20 \node[red] (mspace) at (5,6,3) {MOP space};
21 \draw[red] (mspace) -- (mop);