\NeedsTeXFormat{LaTeX2e}[1999/01/01]
\ProvidesPackage{tzbondgraph}[2008/02/29]

\RequirePackage{tikz}
\RequirePackage{xargs}
\usetikzlibrary{shapes,arrows}
\usetikzlibrary{positioning}

\tikzset{point/.style={coordinate},>=stealth,thick,draw=black!50}
\tikzstyle{bgLine}=[>=latex',line width=1pt,]
\tikzstyle{bgLineArrow}=[->=latex',line width=0.5pt,]

\newcommand{\bgLine}[1]{
\tikzstyle{bgLine}+=[#1]
}

\newcommand{\bgInput}[1]{
    \node [coordinate, name=#1] {};
\node (#1r) at (#1.east){};
}

\newcommand{\bgInputN}[4]{
    \node [coordinate, name=#3,#4 of = #2,node distance=#1] {};
\node (#3r) at (#3.east){};
}

\newcommandx{\bgJn}[4][1=1,4=1]{
\node (#3) [right of = #2,node distance=#1em] {\LARGE $#4$};
\node (#3east) [point,right of=#3,node distance=0.2cm] {};
\node (#3west) [point,left of=#3,node distance=0.2cm] {};
}


% Connector with effort causality
\newcommandx{\bgCex}[7][1=0,6=right,7=1]{
\node (#3) [point,#6 of = #2,node distance=#7em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(2cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1.0cm,0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3) [point,right of = #2,node distance=2cm+#7em] {};
}

% Connector with flow causality
\newcommandx{\bgCfx}[7][1=0,6=right,7=1]{
\node (#3) [point,#6 of = #2,node distance=#7em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(2cm,0cm)  -- ++(-0.5cm,0.25cm)  
				++(-0.5,-0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3) [point,right of = #2,node distance=2cm+#7em] {};
}

% Reversed Connector bond with effort causality
\newcommandx{\bgCexr}[7][1=0,6=left,7=1]{
\node (#3) [point,#6 of = #2,node distance=#7em] {};
\draw [bgLine,rotate=#1]  (#3)  -- ++(-2cm,0cm) -- ++(0.5cm,0.25cm)
				++(-0.55cm,0cm) -- ++(0,-0.5cm) ++(1.05,0.25cm)
				node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3) [point,right of = #2,node distance=-2cm-#7em] {};
}

% Reversed 1-port bond with flow causality
\newcommandx{\bgCfxr}[7][1=0,6=left,7=1]{
\node (#3) [point,#6 of = #2,node distance=#7em] {};
\draw [bgLine,rotate=#1]  (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(-2cm,0cm) -- ++(0.5cm,0.25cm)
				++(0.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3) [point,right of = #2,node distance=-2cm-#7em] {};
}

% 1-port bond with no causality
\newcommandx{\bgRnx}[9][1=0,8=right,9=1]{
\node (#3) [point,#8 of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) node [left,rotate=#1] {$#4$} 
				-- ++(2cm,0cm) node[right,rotate=#1] {$#5$} -- ++(-0.5cm,0.25cm)  
				++(-1,-0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=3.4cm+#9em] {};
}

% 1-port bond with effort causality
\newcommandx{\bgRex}[9][1=0,8=right,9=1]{
\node (#3) [point,#8 of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(2cm,0cm)  
				node[right,rotate=#1] {$#4:#5$} -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1.05cm,0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=3.4cm+#9em] {};
}

% 1-port bond with flow causality
\newcommandx{\bgRfx}[9][1=0,8=right,9=1]{
\node (#3) [point,#8 of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(2cm,0cm) node[right,rotate=#1] {$#4:#5$} -- ++(-0.5cm,0.25cm)  
				++(-0.5,-0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=3.4cm+#9em] {};
}

% Reversed 1-port bond with effort causality
\newcommandx{\bgRexr}[9][1=0,8=left,9=1]{
\node (#3) [point,#8 of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1]  (#3)  -- ++(-2cm,0cm) -- ++(0.5cm,0.25cm)
				++(-0.55cm,0cm) -- ++(0,-0.5cm) 
				++(0,0.25cm) node[left,rotate=#1] {$#4:#5$}
				++(1.05cm,0) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=-3.2cm-#9em] {};
}

% Reversed 1-port bond with flow causality
\newcommandx{\bgRfxr}[9][1=0,8=left,9=1]{
\node (#3) [point,#8 of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1]  (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(-2cm,0cm) -- ++(0.5cm,0.25cm)
				++(-0.5cm,-0.25cm) node[left,rotate=#1] {$#4:#5$}
				++(1.0cm,0) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=-3.2cm-#9em] {};
}

% Effort source
\newcommandx{\bgEx}[8][1=0,7=left,8=1]{
\node (#3) [point,#7 of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) ++(-2cm,0cm) node[left,rotate=#1] {$S_e:#4$} 
				-- ++(2cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,-0.25cm) -- ++(0,-0.25cm) -- ++(0,0.5)
				++(-1.55cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$};
\node (#3) [point,right of = #2,node distance=0cm] {};
}

% Modulated Effort source
\newcommandx{\bgMEx}[8][1=0,6=left,7=left,8=1]{
\node (#3) [point,#7 of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) ++(-2cm,0cm) node (#3lbl) [left,rotate=#1] {$mS_e$} 
				-- ++(2cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,-0.25cm) -- ++(0,-0.25cm) -- ++(0,0.5)
				++(-1.55cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3in) [point,#6 of = #3lbl,node distance=1cm] {};
\draw [bgLineArrow,rotate=#1] (#3in) -- (#3lbl);
\node (#3in) [point,#6 of = #3in,node distance=0.3cm] {};
\node (#3) [point,right of = #2,node distance=0cm] {};
}

% Reversed Effort source
\newcommandx{\bgExr}[8][1=0,7=right,8=1]{
\node (#3) [point,#7 of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) ++(0.5cm,0.25cm) -- ++(-0.5cm,-0.25cm) 
				-- ++(0,+0.25cm) -- ++(0,-0.5cm)  ++(0,0.25cm)
				-- ++(2cm,0cm)
				node[right,rotate=#1] {$S_e:#4$} 
				++(-0.55cm,0cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$};
\node (#3) [point,right of = #2,node distance=0cm] {};
}

% Reversed Modulated Effort source
\newcommandx{\bgMExr}[8][1=0,6=right,7=right,8=1]{
\node (#3) [point,#7 of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) ++(0.5cm,0.25cm) -- ++(-0.5cm,-0.25cm) 
				-- ++(0,+0.25cm) -- ++(0,-0.5cm)  ++(0,0.25cm)
				-- ++(2cm,0cm) node (#3lbl) [right,rotate=#1] {$mS_e$} 
				++(-0.55cm,0cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$};
\node (#3in) [point,#6 of = #3lbl,node distance=1cm] {};
\draw [bgLineArrow,rotate=#1] (#3in) -- (#3lbl);
\node (#3in) [point,#6 of = #3in,node distance=0.3cm] {};
\node (#3) [point,right of = #2,node distance=0cm] {};
}

% Flow source
\newcommandx{\bgFx}[8][1=0,7=left,8=1]{
\node (#3) [point,#7 of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) ++(-2cm,0cm) node[left,rotate=#1] {$S_f:#4$} 
				-- ++(2cm,0cm) 	-- ++(-0.5cm,0.25cm)
				++(-1.5cm,0cm) -- ++(0,-0.5) 
				++(0.5,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$};
\node (#3) [point,right of = #2,node distance=0cm] {};
}

% 2-port element with no causality
\newcommandx{\bgEnx}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$#4$} -- ++(-0.5cm,0.25cm)  
				++(0.6cm,0) node[right,rotate=#1] {$\circ\circ$} 
				++(0cm,0.25cm) node[right,rotate=#1] {\tiny$M$} 
				++(-0.05cm,-0.25cm)  ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.7cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm)  ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.4cm+#9em] {};
}

% 2-port transformer with effort causality
\newcommandx{\bgTex}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$TF$} -- ++(-0.5cm,0.25cm)  
				++(0.6cm,0) node[right,rotate=#1] {$\circ\circ$} 
				++(0.1cm,0.25cm) node[right,rotate=#1] {\tiny$#4$} 
				++(-0.15cm,-0.25cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.7cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.4cm+#9em] {};
}

% 2-port transformer with flow causality
\newcommandx{\bgTfx}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) node (#3lbl) [right,rotate=#1] {$TF$} -- ++(-0.5cm,0.25cm) 
				++(0.6cm,0) node[right,rotate=#1] {$\circ\circ$} 
				++(0.1,0.25cm) node[right,rotate=#1] {\tiny$#4$} 
				++(-1.1cm,-0.45cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.7cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(-0.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.4cm+#9em] {};
}

% 2-port gyrator with flow causality
\newcommandx{\bgGfx}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) node (#3lbl) [right,rotate=#1] {$GY$} -- ++(-0.5cm,0.25cm)
				++(0.6cm,0) node[right,rotate=#1] {$\circ\circ$} 
				++(0.1,0.25cm) node[right,rotate=#1] {\tiny$#4$} 
				++(-1.1cm,-0.50cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.7cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1.0,0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.4cm+#9em] {};
}

% 2-port gyrator with effort causality
\newcommandx{\bgGex}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$GY$} -- ++(-0.5cm,0.25cm)  
				++(0.6cm,0) node[right,rotate=#1] {$\circ\circ$} 
				++(0.1,0.25cm) node[right,rotate=#1] {#4} 
				++(-0.15cm,-0.25cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.7cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(-0.3cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.0cm+#9em] {};
}

% 2-port modulated gyrator with flow causality
\newcommandx{\bgMGfx}[8][1=0,8=2]{
\node (#3) [point,right of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) node (#3lbl) [right,rotate=#1] {$MGY$} -- ++(-0.5cm,0.25cm)
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-1.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$}
				++(1.9cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1.0,0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=4.8cm+#8em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port modulated gyrator with effort causality
\newcommandx{\bgMGex}[8][1=0,8=2]{
\node (#3) [point,right of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$MGY$} -- ++(-0.5cm,0.25cm)  
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$}
				++(2.0cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(-0.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=4.8cm+#8em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port modulated transformer with flow causality
\newcommandx{\bgMTfx}[8][1=0,8=2]{
\node (#3) [point,right of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) node (#3lbl) [right,rotate=#1] {$MTF$} -- ++(-0.5cm,0.25cm) 
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-1.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$}
				++(2.0cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(-0.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=4.5cm+#8em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port modulated transformer with effort causality
\newcommandx{\bgMTex}[8][1=0,8=2]{
\node (#3) [point,right of = #2,node distance=#8em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$MTF$} -- ++(-0.5cm,0.25cm)  
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-0.55cm,-0cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#4$} 
				node[below,rotate=#1] {\footnotesize $#5$}
				++(2cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#6$} 
				node[below,rotate=#1] {\footnotesize $#7$};
\node (#3) [point,right of = #2,node distance=4.0cm+#8em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port rotary gyrator with flow causality
\newcommandx{\bgMRfx}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) node (#3lbl) [right,rotate=#1] {$RGY$} -- ++(-0.5cm,0.25cm)
				++(0.6cm,-0.5) node[right,rotate=#1] {$\circ\circ$} 
				++(0.2,-0.25cm) node[right,rotate=#1] {#4} 
				++(-0.8cm,0.75cm)
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-1.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.8cm,0) -- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(0.55cm,0cm) -- ++(0,-0.5cm) 
				++(-1.0,0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.0cm+#9em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port rotary gyrator with effort causality
\newcommandx{\bgMRex}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) -- ++(1.5cm,0cm)  
				node (#3lbl) [right,rotate=#1] {$RGY$} -- ++(-0.5cm,0.25cm)  
				++(0.6cm,-0.5) node[right,rotate=#1] {$\circ\circ$} 
				++(0.0,-0.25cm) node[right,rotate=#1] {#4} 
				++(-0.6cm,0.75cm)
				++(1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-0.45cm,0cm) -- ++(0,-0.5cm) 
				++(-1cm,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.9cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				-- ++(1.5cm,0cm) -- ++(-0.5cm,0.25cm)  
				++(-0.5cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.0cm+#9em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port rotary gyrator reversed and with effort causality
\newcommandx{\bgMRexr}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) ++(0.5,0.25) -- ++(-0.5,-0.25)
				-- ++(1.5cm,0cm)  node (#3lbl) [right,rotate=#1] {$RGY$}  
				++(0.1cm,-0.3) node[right,rotate=#1] {$\circ\circ$} 
				++(0,-0.25cm) node[right,rotate=#1] {#4} 
				++(-0.8cm,0.75cm)
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-0.4cm,0cm) -- ++(0,-0.5cm) 
				++(-0.6cm,0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(1.5cm,0) -- ++(0,0.25cm) -- ++(0,-0.5cm) -- ++(0,0.25cm)
				++(0.5cm,0.25cm) -- ++(-0.45cm,-0.25cm) -- ++(1.5cm,0cm)    
				++(-0.5cm,0cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.2cm+#9em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}

% 2-port rotary gyrator reversed and with effort causality
\newcommandx{\bgMRfxr}[9][1=0,9=2]{
\node (#3) [point,right of = #2,node distance=#9em] {};
\draw [bgLine,rotate=#1] (#3) ++(0,0.25cm) -- ++(0,-0.5cm) 
				++(0.55,0.5) -- ++(-0.5,-0.25)
				-- ++(1.5cm,0cm)  node (#3lbl) [right,rotate=#1] {$RGY$}  
				++(0.1cm,-0.3) node[right,rotate=#1] {$\circ\circ$} 
				++(0,-0.25cm) node[right,rotate=#1] {#4} 
				++(-0.8cm,0.75cm)
				++(1.1cm,0.75cm) node(#3top)[point]{} ++(0cm,-0.75cm) node(#3mid){}
				++(-1cm,-0.25cm) node[above,rotate=#1] {\footnotesize $#5$} 
				node[below,rotate=#1] {\footnotesize $#6$}
				++(2cm,0.25cm) -- ++(-0.45cm,-0.25cm) -- ++(1.5cm,0cm)  
				++(0,0.25cm) -- ++(0,-0.5cm) ++(0,0.25cm)  
				++(-0.5cm,0cm) node[above,rotate=#1] {\footnotesize $#7$} 
				node[below,rotate=#1] {\footnotesize $#8$};
\node (#3) [point,right of = #2,node distance=4.2cm+#9em] {};
\draw [bgLineArrow,rotate=#1] (#3top) -- ++(#3mid);
}