\usepackage[T1]{fontenc}
\usepackage{pst-anamorphosis-add}
\definecolor{sepia}{rgb}{1,0.8,0.8}
+\pagestyle{empty}
\begin{document}
-\section{Image d'un pavage avec des cercles}
-\begin{center}
-\psset{type=conical}
-%\psset{unit=0.7}
-\begin{pspicture}[showgrid](-7,-7)(7,7)
-\pscircle[doubleline=true]{3}
-{\psset{linecolor=red}
-\pnodeA(-0.5,-1){I}
-\pnodeA(-0.5,1){J}
-\pnodeA(1,1){K}
-\pnodeA(1,-1){L}
-\pnode(-0.5,-1){I'}
-\pnode(-0.5,1){J'}
-\pnode(1,1){K'}
-\pnode(1,-1){L'}
-\pslineA(-0.5,-1)(-0.5,1)(1,1)(1,-1)(-0.5,-1)
-%\psdots[dotsize=2mm](I)(J)(K)(L)(I')(J')(K')(L')
-\psframe(-0.5,-1)(1,1)}
-\multido{\N=-1.5+1.0}{4}{
-\multido{\n=-1.5+1.0}{4}{%
- \pscircle[fillstyle=solid,fillcolor=sepia](\n,\N){0.5}
- }}
-\multido{\N=-1.5+1.0}{4}{
-\multido{\n=-1.5+1.0}{4}{%
- \pscircleA[fillstyle=solid,fillcolor=sepia](\n,\N){0.5}
- }}
-\multido{\n=0.5+0.5,\N=0.5+0.5}{4}{%
- \pnode(! \n\space -2){A}
- \pnode(! \n\space 2){B}
- \psline(A)(B)
- \pslineA(A)(B)
- \pnode(!-2 \N){A}
- \pnode(!2 \N){B}
- \pslineA(A)(B)
- \psline(A)(B)
- }
-\multido{\n=-2.0+0.5,\N=-2.0+0.5}{4}{%
- \pnode(! \n\space -2){A}
- \pnode(! \n\space 2){B}
- \psline(A)(B)
- \pslineA(A)(B)
- \pnode(!-2 \N){A}
- \pnode(!2 \N){B}
- \pslineA(A)(B)
- \psline(A)(B)
- }
-\pnodeA(-0.5,-1){I}
-\pnodeA(-0.5,1){J}
-\pnodeA(1,1){K}
-\pnodeA(1,-1){L}
-\pnode(-0.5,-1){I'}
-\pnode(-0.5,1){J'}
-\pnode(1,1){K'}
-\pnode(1,-1){L'}
-\pslineA[linecolor=blue](-0.5,-1)(-0.5,1)(1,1)(1,-1)(-0.5,-1)
-\psframe[linecolor=blue](I')(K')
-\psdots[dotsize=2mm,linecolor=red](I)(J)(K)(L)(I')(J')(K')(L')
-\end{pspicture}
-\end{center}
-\section{Esquisse de l'image d'un pavage classique}
+\section*{Esquisse de l'image d'un pavage classique}
\begin{center}
%\psset{unit=0.75}
\begin{pspicture}(-6,-6)(6,6)