cylinder_with_two_parameters+geometry+style+learn.tex

% https://tex.stackexchange.com/a/21396/173708

\documentclass{article}
\usepackage{tikz} 
\usetikzlibrary{shapes}  

% split figures into pages
\usepackage[active,tightpage]{preview}
\PreviewEnvironment{tikzpicture}
\setlength\PreviewBorder{1pt}%


\begin{document}
	
\thispagestyle{empty} 

 \begin{tikzpicture}[
    transformer/.style 2 args={draw, 
    	cylinder, 
    	gray!80, 
    	rotate=90, 
    	minimum height=#1, 
    	minimum width=#2}]

	\node [transformer={2.3cm}{1cm}] () at (0,0.6) {};
\end{tikzpicture}  

% using n args={}{}
 \begin{tikzpicture}[
	transformer2/.style n args={2}{draw, 
		cylinder, 
		gray!50, 
		rotate=45, 
		minimum height=#1, 
		minimum width=#2}]

	\node [transformer2={2.3cm}{1cm}] () at (0,0.6) {};
\end{tikzpicture} 

%\begin{tikzpicture}[
% 	\def\mh{2.3cm}
% 	\def\mw{1cm} 	
%	transformer3/.style args={mh, mw}{draw, 
%		cylinder, 
%		gray!50, 
%		rotate=45, 
%		minimum height=mh, 
%		minimum width=mw}]
%
%	\node [transformer3={2.3cm}{1cm}] () at (0,0.6) {};
%\end{tikzpicture} 

\end{document}