test_irs.tex

\documentclass[a4]{standalone}

\usepackage[english]{babel}
\usepackage[utf8]{inputenc} % Use this if the file is encoded with utf-8
\usepackage{times}
\usepackage[T1]{fontenc}
\usepackage{tikz} % Create graphics in Latex


\input{irs.tex}

\begin{document}
\thispagestyle{empty}
\usetikzlibrary{positioning}
\begin{tikzpicture}
  \draw[help lines] (-2,-2) grid (2,2);

  \node[IRS, element fill color=green!30, fill=red!30, minimum size=2.5cm] at (0,0) (irs) {};

  % All rectangle anchors are supported as well as "border anchors" (an angle intersecting the border)
  \draw[fill=green] (irs.north) circle (0.8pt) node[scale=0.8,red!50!black,rotate=45,yshift=2mm, xshift=1mm] {\tiny{north}};
  \draw[fill=green] (irs.58) circle (0.8pt) node[scale=0.8,red!50!black,rotate=45, yshift=2mm, xshift=1mm] {\tiny{58°}};
  
\end{tikzpicture}
\end{document}


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