
% file `eso-ex5.tex'; background grid example

\listfiles\setcounter{errorcontextlines}{100}
\documentclass[a4paper,twoside]{article}
% a4paper =       210mm x 297mm   = 596bp x 842bp = 8.27in x 11.69in
% letterpaper = 215.9mm x 279.4mm = 612bp x 792bp =  8.5in x 11in

%\usepackage[a3,center]{crop}

\usepackage[dvips]{geometry}
% `dvips', `pdfTeX' and `VTeX' should know the papersize.

\usepackage[colorgrid,gridBG=true,gridunit=mm,texcoord]{eso-pic}
%\usepackage[colorgrid,gridunit=in,subgridcolor=blue,texcoord]{eso-pic}
%\usepackage[grid,gridunit=bp,subgridstyle=dotted]{eso-pic}

\newcommand*\cmd[1]{\texttt{\symbol{`\\}#1}}

\AddToShipoutPictureBG{%
  \thicklines\normalfont\ttfamily\Large%
  \color{blue}\setlength\unitlength{1mm}%
  \AtTextCenter{\circle*{6}%
    \put(-2,0){\makebox(0,0)[lb]{\cmd{AtTextCenter}}}}%
  \AtTextUpperLeft{\circle*{6}%
    \put(-2,5){\makebox(0,0)[lt]{\cmd{AtTextUpperLeft}}}}%
  \AtTextLowerLeft{\circle*{6}%
    \put(-2,-5){\makebox(0,0)[lb]{\cmd{AtTextLowerLeft}}}}%
  \color{red}%
  \AtPageCenter{\circle*{6}%
    \put(-2,0){\makebox(0,0)[lt]{\cmd{AtPageCenter}}}}%
  \AtPageUpperLeft{\circle*{6}%
    \put(-2,-5){\makebox(0,0)[lb]{\cmd{AtPageUpperLeft}}}}%
  \AtPageLowerLeft{\circle*{6}%
    \put(-2,5){\makebox(0,0)[lt]{\cmd{AtPageLowerLeft}}}}%
}

\setlength\parindent{0pt}

\begin{document}  \Huge \bfseries

\hrulefill First Page\hrulefill \vfill X \hfill X \newpage
\hrulefill  Second Page\hrulefill \vfill X \hfill X

\end{document}
