%\documentclass[english,onecolumn,final]{svjour2}
\documentclass{article}
\usepackage{graphicx}
\usepackage{tikz}
\usepackage{pgflibraryshapes}
\usetikzlibrary {shapes}
\usepackage{calc}
\usepackage{color}
\definecolor{invisible}{gray}{1.0}
\definecolor{green}{rgb}{0.0,1.0,0.0}
%\input{commands.tex}
%define counters
\newcounter{mynum}


%\renewcommand\normalsize{\fontsize{20pt}{20pt}\selectfont}
\setlength{\textwidth}{20cm}
\setlength{\textheight}{30cm}

\pagenumbering{arabic}  % but no page numbers are printed because:
\pagestyle{empty}       % this is actually already in the kernel
\newcommand{\MainDocDir}{..}

\begin{document}

\newcommand{\nneurons}{5}

\newcommand{\abstand}{1,0}
 
\newcommand{\texpic}{
 
\begin{tikzpicture}
	

	\path (0,1) coordinate (cursor);
	\foreach \y in {0,...,\nneurons} {
		\filldraw [black] (cursor) ++(\abstand) node (cursor) {} circle (2pt);
	}
	\draw (2.5,0.5) node {RETINALER INPUT};			
		
	\foreach \ in {0,...,3}{
		\draw node (cursor)
	}
	
	\foreach \x in {0,...,\nneurons} {
		\filldraw [black]  (cursor) +(\x,0) circle(2pt);
	}
	\draw (10.5,0.5) node {modulatorische Neurone};
	
	\foreach \z in {4,...,9} {
		\filldraw [black] (\z,4) circle(2pt);
	}
	\draw (6.5,4.5) node {Ausgangsschicht};
	
	
%	\draw (-1.5,0) -- (1.5,0);
%	\draw (0,-1.5) -- (0,1.5);
	
    
  \end{tikzpicture}
}

\color{invisible}
.\\
.
\color{black}
\texpic
\color{invisible}
.
\end{document}