uweziegenhagen.de

\documentclass[tikz,border=0.5cm]{standalone}
\usetikzlibrary{positioning} 
\renewcommand\familydefault{\sfdefault}
 
\usepackage{listofitems}
\setsepchar{;}
 
\begin{document}
\begin{tikzpicture}[font=\bfseries,thick]
%\draw[step=0.5cm,lightgray,thin] (0,0) grid (16,16);
 
\coordinate (o) at (8,8);
\draw[black,thick,fill=lightgray] (8,8) circle (29.75mm);
 
\readlist\distances{77.5;69.75;61.75;53.75;45.75;37.75;21.75;13.75;5.75}
\foreachitem\distance\in\distances{
	\draw[black] (8,8) circle (\distance mm);
}
 
\readlist\distances{7.1;6.3;5.5;4.7;3.9;3.1;2.3;1.5;0.7}
\readlist\directions{right;above;left;below}
 
\foreachitem\direction\in\directions{
	\foreachitem\distance\in\distances{
 
\node[\direction=\distance cm of o] {\distancecnt};
        }
}
 
\end{tikzpicture}
\end{document}

\documentclass[tikz,border=0.5cm]{standalone} \usetikzlibrary{positioning} \renewcommand\familydefault{\sfdefault} \usepackage{listofitems} \setsepchar{;} \begin{document} \begin{tikzpicture}[font=\bfseries,thick] %\draw[step=0.5cm,lightgray,thin] (0,0) grid (16,16); \coordinate (o) at (8,8); \draw[black,thick,fill=lightgray] (8,8) circle (29.75mm); \readlist\distances{77.5;69.75;61.75;53.75;45.75;37.75;21.75;13.75;5.75} \foreachitem\distance\in\distances{ \draw[black] (8,8) circle (\distance mm); } \readlist\distances{7.1;6.3;5.5;4.7;3.9;3.1;2.3;1.5;0.7} \readlist\directions{right;above;left;below} \foreachitem\direction\in\directions{ \foreachitem\distance\in\distances{ \node[\direction=\distance cm of o] {\distancecnt}; } } \end{tikzpicture} \end{document}