%
% tikztemplate.tex -- template for standalon tikz images
%
% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
%
\documentclass[tikz]{standalone}
\usepackage{amsmath}
\usepackage{times}
\usepackage{txfonts}
\usepackage{pgfplots}
\usepackage{csvsimple}
\usetikzlibrary{arrows,intersections,math}
\begin{document}
\def\skala{1}
\input{airypaths.tex}
\definecolor{darkgreen}{rgb}{0,0.6,0}
\begin{tikzpicture}[>=latex,thick,scale=\skala]

% add image content here
\def\dx{1}
\def\dy{1}

\begin{scope}
\clip ({-8*\dx},{-1.3*\dy}) rectangle ({2.5*\dx},{4*\dy});
\draw[color=red,line width=1.4pt] \yonepath;
%\draw[color=darkgreen,line width=1.4pt] \ytwopath;
\draw[color=blue,line width=1.4pt] \ythreepath;
\end{scope}

\draw[->] (-8.1,0) -- (2.9,0) coordinate[label={$x$}];
\draw[->] (0,-1.4) -- (0,4.4) coordinate[label={right:$y$}];

\foreach \x in {-8,...,-1}{
	\draw ({\x*\dx},-0.1) -- ({\x*\dx},0.1);
}
\foreach \y in {-1,1,2,3,4}{
	\draw (-0.1,{\y*\dy}) -- (0.1,{\y*\dy});
}
\draw ({\dx},-0.1) -- ({\dx},0.1);
\draw ({2*\dx},-0.1) -- ({2*\dx},0.1);

\node at (\dx,0) [below] {$1$};
\node at ({2*\dx},0) [below] {$2$};

\foreach \x in {-7,...,-1}{
	\node at ({\x*\dx},0) [below] {$\x$};
}
\foreach \y in {2,3,4}{
	\node at (-0.1,{\y*\dy}) [left] {$\y$};
}
\node at (-0.1,\dy) [above left] {$-1$};
\node at (0.1,-\dy) [right] {$-1$};

\node[color=red] at ({-1.2*\dx},{0.6*\dy}) [above left] {$y_1(x)$};
\node[color=blue] at ({-1.4*\dx},{-1.1*\dy}) [below] {$y_2(x)$};

\end{tikzpicture}
\end{document}