tikzgraph.tex

%
% Preamble for RPSGraph output using Tikz (PGF)
% Tested with version 1.18
%
% Rafael de Pelegrini Soares - www.rps.eng.br
% Sep - 2008
%

\usepackage{tikz}
\usepackage{pgf}
\usepackage{xcolor}

\newcommand{\AddVar}[2]{
\node[circle, draw, minimum height=20pt] (#1) at (#2,1) {};
\node at (#2,1) {$#1$};
}
\newcommand{\AddEq}[2]{
\node[circle, draw, minimum height=20pt] (#1) at (#2,3.5) {};
\node at (#2,3.5) {$#1$};
}
\newcommand{\GrayNode}[1]{
\pgfsetstrokecolor{gray}
\pgfpathcircle{\pgfpointanchor{#1}{center}}{10pt}
\pgfusepath{stroke}
\pgftext[center, at={\pgfpointanchor{#1}{center}}]{\textcolor{gray}{$#1$}}
}
\newcommand{\MarkNode}[1]{
%\pgfpathcircle{\pgfpointanchor{#1}{center}}{12pt}\pgfusepath{stroke}
\pgfsetcolor{lightgray}
\pgfpathcircle{\pgfpointanchor{#1}{center}}{10pt}\pgfusepath{fill}
\pgfsetcolor{black}
\pgfpathcircle{\pgfpointanchor{#1}{center}}{10pt}\pgfusepath{stroke}
\pgftext[center, at={\pgfpointanchor{#1}{center}}]{$#1$}
}
\newcommand{\AddEdge}[2]{\draw (#1)--(#2);}
\newcommand{\AddEdgeGray}[2]{\draw[color=gray](#1)--(#2);}
\newcommand{\AddConn}[2]{\pgfsetlinewidth{1.5pt} \draw (#1)--(#2); \pgfsetlinewidth{0.5pt}}
\newcommand{\AddConnGray}[2]{\pgfsetlinewidth{1.5pt} \draw[color=gray] (#1)--(#2); \pgfsetlinewidth{0.5pt}}
\newcommand{\AddEdgeD}[2]{\draw[->, color=gray] (#1)--(#2);}
\newcommand{\AddConnD}[2]{\pgfsetlinewidth{1.5pt} \draw[->] (#2)--(#1); \pgfsetlinewidth{0.5pt}}
\newcommand{\AddEdgeB}[2]{\draw[->, color=gray] (#2)--(#1);}
\newcommand{\AddEdgeGrayB}[2]{\draw[->, color=gray] (#2)--(#1);}
\newcommand{\AddConnB}[2]{\pgfsetlinewidth{1.5pt} \draw[->] (#1)--(#2); \pgfsetlinewidth{0.5pt}}
\newcommand{\AddConnGrayB}[2]{\pgfsetlinewidth{1.5pt} \draw[->,color=gray] (#1)--(#2); \pgfsetlinewidth{0.5pt}}
\newcommand{\AddDiff}[2]{
\draw[->] (#1) .. controls +(up:1cm) and +(up:1cm) .. (#2);
}