%
% ellpolnul.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,calc}
\begin{document}
\input{ellcommon.tex}
\def\skala{1}
\begin{tikzpicture}[>=latex,thick,scale=\skala]

%\draw (-1,-1) rectangle (1,1);
%\node at (-1,-1) [below left] {$0$};
%\node at (1,-1) [below right] {$K$};
%\node at (1,1) [above right] {$K+iK'$};
%\node at (-1,1) [above left] {$iK'$};
%\node at (0,0) {$u$};

\begin{scope}[xshift=-3cm,yshift=0cm]
\rechteck{gray}{1}
\end{scope}

\definecolor{sccolor}{rgb}{0.8,0.2,0.8}
\definecolor{sdcolor}{rgb}{0.8,0.8,0.2}
\definecolor{cdcolor}{rgb}{0.2,0.8,0.8}

\begin{scope}[xshift=0cm]
\rechteck{rot}{\operatorname{sn}(u,k)}
\nullstelle{(-1,-1)}{rot}
\pol{(-1,1)}{rot}
\node at (-1,-1) {$0$};
\node at (1,-1) {$1$};
\node at (1,1) {$\frac1k$};
\node at (-1,1) {$\infty$};
\end{scope}

\begin{scope}[xshift=3cm]
\rechteck{blau}{\operatorname{cn}(u,k)}
\nullstelle{(1,-1)}{blau}
\pol{(-1,1)}{blau}
\node at (-1,-1) {$1$};
\node at (1,-1) {$0$};
\node at (1,1) {$\frac{ik'}k$};
\node at (-1,1) {$\infty$};
\end{scope}

\begin{scope}[xshift=6cm]
\rechteck{gruen}{\operatorname{dn}(u,k)}
\nullstelle{(1,1)}{gruen}
\pol{(-1,1)}{gruen}
\node at (-1,-1) {$1$};
\node at (1,-1) {$k'$};
\node at (1,1) {$0$};
\node at (-1,1) {$\infty$};
\end{scope}

%
% start row with denominator sn(u,k)
%

\begin{scope}[xshift=-3cm,yshift=-3cm]
\rechteck{rot}{\operatorname{ns}(u,k)}
\pol{(-1,-1)}{rot}
\nullstelle{(-1,1)}{rot}
\end{scope}

\begin{scope}[xshift=0cm,yshift=-3cm]
\rechteck{gray}{1}
\end{scope}

\begin{scope}[xshift=3cm,yshift=-3cm]
\rechteck{sccolor}{\operatorname{cs}(u,k)}
\pol{(1,-1)}{sccolor}
\nullstelle{(-1,-1)}{sccolor}
\end{scope}

\begin{scope}[xshift=6cm,yshift=-3cm]
\rechteck{sdcolor}{\operatorname{ds}(u,k)}
\pol{(-1,1)}{sdcolor}
\nullstelle{(-1,-1)}{sdcolor}
\nullstelle{(1,1)}{sdcolor}
\end{scope}

%
% start row with denominator cn(u,k)
%

\begin{scope}[xshift=-3cm,yshift=-6cm]
\rechteck{blau}{\operatorname{nc}(u,k)}
\pol{(1,-1)}{blau}
\nullstelle{(-1,1)}{blau}
\end{scope}

\begin{scope}[xshift=0cm,yshift=-6cm]
\rechteck{sccolor}{\operatorname{sc}(u,k)}
\nullstelle{(1,-1)}{sccolor}
\pol{(-1,-1)}{sccolor}
\end{scope}

\begin{scope}[xshift=3cm,yshift=-6cm]
\rechteck{gray}{1}
\end{scope}

\begin{scope}[xshift=6cm,yshift=-6cm]
\rechteck{cdcolor}{\operatorname{dc}(u,k)}
\nullstelle{(1,1)}{cdcolor}
\nullstelle{(1,-1)}{cdcolor}
\pol{(-1,1)}{cdcolor}
\end{scope}

%
% start row with denominator dn(u,k)
%

\begin{scope}[xshift=-3cm,yshift=-9cm]
\rechteck{gruen}{\operatorname{nd}(u,k)}
\pol{(1,1)}{gruen}
\nullstelle{(-1,1)}{gruen}
\end{scope}

\begin{scope}[xshift=0cm,yshift=-9cm]
\rechteck{sdcolor}{\operatorname{sd}(u,k)}
\nullstelle{(-1,1)}{sdcolor}
\pol{(-1,-1)}{sdcolor}
\pol{(1,1)}{sdcolor}
\end{scope}

\begin{scope}[xshift=3cm,yshift=-9cm]
\rechteck{cdcolor}{\operatorname{cd}(u,k)}
\pol{(1,1)}{cdcolor}
\pol{(1,-1)}{cdcolor}
\nullstelle{(-1,1)}{cdcolor}
\end{scope}

\begin{scope}[xshift=6cm,yshift=-9cm]
\rechteck{gray}{1}
\end{scope}


\end{tikzpicture}
\end{document}