Un damier en anamorphose conique. J'utilise \psframeA définie dans le fichier.

diff --git a/img/serie02/LISTE.txt b/img/serie02/LISTE.txt
index 65f01ba..c4b196f 100644 (file)
--- a/img/serie02/LISTE.txt
+++ b/img/serie02/LISTE.txt
@@ -4,3 +4,4 @@ parapluie.png
 parapluie.eps
 sinus.png
 rayures.png
+damier.png

diff --git a/img/serie02/damier.pdf b/img/serie02/damier.pdf
new file mode 100644 (file)
index 0000000..5e22b9e
Binary files /dev/null and b/img/serie02/damier.pdf differ

diff --git a/img/serie02/damier.png b/img/serie02/damier.png
new file mode 100644 (file)
index 0000000..13af887
Binary files /dev/null and b/img/serie02/damier.png differ

diff --git a/img/serie02/damier.tex b/img/serie02/damier.tex
new file mode 100644 (file)
index 0000000..8da6d23
--- /dev/null
+++ b/img/serie02/damier.tex
@@ -0,0 +1,95 @@
+\documentclass[12pt]{article}
+\usepackage{pst-anamorphosis-add}
+\usepackage[a4paper]{geometry}
+
+\makeatletter
+%%%%%%%\psframeA ---------------------
+\def\psframeA{\pst@object{psframeA}}
+\def\psframeA@i(#1){%
+\@ifnextchar({\psframeA@ii(#1)}{\psframeA@ii(0,0)(#1)}}
+\def\psframeA@ii(#1)(#2){%
+\begin@ClosedObj
+\pst@getcoor{#1}\pst@tempa%
+\pst@@getcoor{#2}%
+\def\pst@linetype{2}%
+\addto@pscode{%
+    \tx@optionsanamorphosis
+    \tx@optionsanamorphosisAdd
+    \pst@tempa
+    \pst@coor
+    /Y2 ED
+    /X2 ED
+    /Y1 ED
+    /X1 ED
+    X1 Y1  tx@anamorphosisPathDict begin Anamorphose end
+    moveto
+    0 0.005 1.0 { %(X1,Y1)->(X2,Y1)
+    /K exch def
+    K X2 mul 1 K sub X1 mul add
+    Y1
+    tx@anamorphosisPathDict begin Anamorphose end
+    lineto
+    } for
+    0 0.005 1.0 { % (X2,Y1)->(X2,Y2)
+    /K exch def
+    X2
+    K Y2 mul 1 K sub Y1 mul add
+    tx@anamorphosisPathDict begin Anamorphose end
+    lineto
+    } for
+    0 0.005 1.0 { % (X2,Y2)->(X1,Y2)
+    /K exch def
+    K X1 mul 1 K sub X2 mul add
+    Y2
+    tx@anamorphosisPathDict begin Anamorphose end
+    lineto
+    } for
+    0 0.005 1.0 { % (X1,Y2)->(X1,Y1)
+    /K exch def
+    X1
+    K Y1 mul 1 K sub Y2 mul add
+    tx@anamorphosisPathDict begin Anamorphose end
+    lineto
+    } for
+}%
+\showpointsfalse
+\end@ClosedObj}
+\makeatother
+\begin{document}
+\begin{center}
+\begin{pspicture}(-7,-7)(7,7)
+\psset{type=conical,Rmirror=3}
+\psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](-0.25,-0.25)(-0.01,-0.01)
+\psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](-0.25,0.25)(-0.01,0.01)
+\psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](0.01,0.01)(0.25,0.25)
+\psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](0.01,-0.01)(0.25,-0.25)
+\multido{\ry=-2.75+1,\rY=-2.25+1}{6}{
+\multido{\n=-2.75+1.00,\N=-2.25+1.00}{7}{%
+    \psframeA[fillstyle=solid,fillcolor=red,linecolor=red](\n,\ry)(\N,\rY)}
+    }
+\multido{\ry=-3.25+1,\rY=-2.75+1}{3}{
+\multido{\n=-3.25+1.00,\N=-2.75+1.00}{7}{%
+    \psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](\n,\ry)(\N,\rY)}
+    }
+\multido{\ry=0.75+1,\rY=1.25+1}{3}{
+\multido{\n=-3.25+1.00,\N=-2.75+1.00}{7}{%
+    \psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](\n,\ry)(\N,\rY)}
+    }
+\multido{\n=-3.25+1.00,\N=-2.75+1.00}{3}{%
+    \psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](\n,-0.25)(\N,0.25)}
+\multido{\n=0.75+1.00,\N=1.25+1.00}{3}{%
+    \psframeA[fillstyle=solid,fillcolor=blue,linecolor=blue](\n,-0.25)(\N,0.25)}
+\begin{psclip}{\pscircle[fillstyle=solid,fillcolor=white,linestyle=none]{3}}
+\multido{\ry=-2.75+1,\rY=-2.25+1}{6}{
+\multido{\n=-2.75+1.00,\N=-2.25+1.00}{6}{%
+    \psframe*[linecolor=red](\n,\ry)(\N,\rY)}
+    }
+\multido{\ry=-3.25+1,\rY=-2.75+1}{7}{
+\multido{\n=-3.25+1.00,\N=-2.75+1.00}{7}{%
+    \psframe*[linecolor=blue](\n,\ry)(\N,\rY)}
+    }
+\pscircle[doubleline=true]{3}
+\end{psclip}
+\end{pspicture}
+\end{center}
+\end{document} 
\ No newline at end of file