\documentclass[a4paper]{article} \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} \end{document}