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authorKarl Berry <karl@freefriends.org>2016-03-01 23:35:32 +0000
committerKarl Berry <karl@freefriends.org>2016-03-01 23:35:32 +0000
commite7dd41895d83a8493af36e8684ff8371abb0c2c0 (patch)
tree7cc00b5b0d44ea6c0501521dca0326f92a8b2328 /Master/texmf-dist/doc/latex/visualtikz/Source/tkz1.tex
parent64fe092a8f3dc062b323f28f52dc82c7be509252 (diff)
visualtikz (29feb16)
git-svn-id: svn://tug.org/texlive/trunk@39905 c570f23f-e606-0410-a88d-b1316a301751
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@@ -0,0 +1,596 @@
+
+%
+%\subsection{objets}
+\begin{center}
+\begin{tabular}{|c|c|c|} \hline
+\BS{draw} (0,0) {\color{red}- -} (2,1) ; \RRR{14-2} &
+\BS{draw} (0,0){\color{red} -|} (2,1) ;
+ &
+\BS{draw} (0,0) {\color{red} |-} (2,1) ;
+\\ \hline
+\begin{tikzpicture}[blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -- (2,1) ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -| (2,1) ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[,blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) |- (2,1) ;
+\end{tikzpicture}
+
+\\ \hline
+\end{tabular}
+\end{center}
+\bigskip
+
+ \begin{tabular}{|c|c|c|}\hline
+ \multicolumn{3}{|c|}{\BS{draw} (0,2) . . \DDD{controls} (3,0) .. (2,2); \RRR{ 14-3 }}
+ \\ \hline
+ \begin{tikzpicture}[,blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\draw (0,2) .. controls (3,0) .. (2,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\fill (0,2) .. controls (3,0) .. (2,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\filldraw (0,2) .. controls (3,0) .. (2,2);
+ \end{tikzpicture}
+ \\ \hline
+\BSS{draw}
+&
+\BSS{fill}
+&
+\BSS{filldraw}
+\\ \hline
+ \end{tabular}
+
+
+ \bigskip
+
+ \begin{tabular}{|c|c|c|}\hline
+ \multicolumn{3}{|c|}{\BS{draw} (0,2) . . \DDD{controls} (3,0) \DDD{and} (-1,0) .. (2,2); \RRR{14-3}}
+ \\ \hline
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\draw (0,2) .. controls (3,0) and (-1,0) .. (2,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\fill (0,2) .. controls (3,0) and (-1,0) .. (2,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,3);
+\filldraw (0,2) .. controls (3,0) and (-1,0) .. (2,2);
+ \end{tikzpicture}
+ \\ \hline
+\BSS{draw}
+&
+\BSS{fill}
+&
+\BSS{filldraw}
+\\ \hline
+ \end{tabular}
+
+
+%--------------------------------------------------
+
+\bigskip
+\begin{tabular}{|c|c|c|} \hline
+\multicolumn{3}{|c|}{\BS{draw} (0,0) \DDD{rectangle} (3,2); \RRR{14-4} }\\
+\hline
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (-1,-1) grid (4,3);
+\draw (0,0) rectangle (3,2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-1,-1) grid (4,3);
+\fill (0,0) rectangle (3,2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-1,-1) grid (4,3);
+\filldraw (0,0) rectangle (3,2);
+\end{tikzpicture}
+\\ \hline
+\BSS{draw}
+&
+\BSS{fill}
+&
+\BSS{filldraw}
+\\ \hline
+
+\end{tabular}
+ %-----------------------------------------------------
+
+ \bigskip
+
+\begin{tabular}{|c|c|c|}\hline
+ \multicolumn{3}{|c|}{\BS{draw} (1,1) \DDD{circle} (1); \RRR{14-6}}\\
+ \hline
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (2,2);
+\draw (1,1) circle (1);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (2,2);
+\fill (1,1) circle (1);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[,blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (2,2);
+\filldraw (1,1) circle (1);
+\end{tikzpicture}
+ \\ \hline
+ \BS{draw}
+ &
+ \BS{fill}
+ &
+ \BS{filldraw}
+ \\ \hline
+\end{tabular}
+
+
+ %-----------------------------------------------------
+ \bigskip
+
+\begin{tabular}{|c|c|c|}\hline
+ \multicolumn{2}{|c|}{\BS{draw} (1,1) \DDD{circle} [\RDD{radius}=1cm]; } &
+ \BS{draw} (1,1)\DDD{ellipse} [\RDD{x radius}=2cm,\RDD{y radius}=1cm]
+\\ \hline
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (2,2);
+ \draw (1,1) circle [radius=1cm] ;
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[,blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,2);
+ \draw (1,1) circle[x radius=2cm,y radius=1cm] ;
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,2);
+ \draw (1,1) ellipse [x radius=2cm,y radius=1cm];
+ \end{tikzpicture}
+ \\ \hline
+\RDD{radius}=1cm & \RDD{x radius}=2cm,\RDD{y radius}=1cm
+ \\ \hline
+\end{tabular}
+ %-----------------------------------------------------
+ \bigskip
+
+\begin{tabular}{|c|c|}\hline
+\BS{draw} (1,1) circle {\color{red}(2 and 1)}; & \BS{draw} (1,1) ellipse {\color{red}(2 and 1)};
+ \\ \hline
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,2);
+\draw (1,1) circle(2 and 1);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (-1,0) grid (3,2);
+\draw (1,1) ellipse (2 and 1);
+ \end{tikzpicture}
+\\ \hline
+ \end{tabular}
+
+\bigskip
+
+\begin{tabular}{|c|c|c|}\hline
+\multicolumn{3}{|c|}{\BS{draw} (-2,0) \DDD{arc} (180:-45:2); \RRR{14-7} }\\
+\hline
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\draw (-2,0) arc (180:-45:2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\fill (-2,0) arc (180:-45:2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\filldraw (-2,0) arc (180:-45:2);
+\end{tikzpicture}
+\\ \hline
+\BS{draw}
+&
+\BS{fill}
+&
+\BS{filldraw}
+\\ \hline
+ \end{tabular}
+ \bigskip
+
+ \begin{tabular}{|c|c||c|} \hline
+\multicolumn{2}{|c||}{\BS{draw} (-2,0) arc [\RDD{start angle}=-20, \RDD{end angle}=135,\RDD{radius}=1] }
+& \BS{draw} (-2,0) \RDD{ arc (180:-45:2 and 1)}
+\\ \hline
+
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\draw (-2,0) arc [start angle=180, end angle=-45,radius=2];
+\end{tikzpicture}
+ &
+\begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\draw (-2,0) arc [start angle=180, end angle=-45,x radius=2,y radius=1];
+\end{tikzpicture}
+&
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+\draw[help lines] (-3,-2) grid (3,2);
+\draw (-2,0) arc (180:-45:2 and 1);
+%\draw [dotted,line width=1pt] (0,0) ellipse [x radius=2cm,y radius=1cm];
+\end{tikzpicture}
+ \\ \hline
+ \RDD{radius}=1 & \RDD{x radius}=1,\RDD{y radius}=.5 & \\
+ \hline
+ \end{tabular}
+
+\bigskip
+
+ \begin{tabular}{|c|c|c|}\hline
+ \multicolumn{3}{|c|}{\BS{draw} (0,0) \DDD{parabola} (3,2); \RRR{14-9} }
+ \\ \hline
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+ \draw (0,0) parabola (3,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+ \fill (0,0) parabola (3,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+ \filldraw (0,0) parabola (3,2);
+ \end{tikzpicture}
+ \\ \hline
+\BS{draw}
+&
+\BS{fill}
+&
+\BS{filldraw}
+\\ \hline
+ \end{tabular} ------
+
+ \begin{tabular}{|c|c|} \hline
+ \begin{tikzpicture}[blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (4,4);
+ \draw(0,1) parabola bend (1,0) (4,4);
+ \end{tikzpicture}
+ &
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (4,4);
+\draw (0,0) parabola[bend pos=0.25] (4,4);
+ \end{tikzpicture} \\
+ \hline
+ \BS{draw}(0,1) parabola \RDD{bend} (1,0) (4,4); &
+ \BS{draw}(0,0) parabola[\RDD{bend pos}=0.25] (4,4);
+ \\ \hline
+ \end{tabular}
+\bigskip
+
+\begin{tabular}{|c|c|c|} \hline
+ \BS{draw}(0,1) parabola [\RDD{parabola height}=2cm] (3,0); & \multicolumn{2}{|c|}{\BS{draw}(0,0) parabola[\RDD{bend at start}] (3,2);}\\
+ \hline
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,3);
+\draw (0,1) parabola[parabola height=2cm] (3,0);
+ \end{tikzpicture} &
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) parabola[bend at start] (3,2);
+ \end{tikzpicture}
+&
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) parabola[bend at end] (3,2);
+ \end{tikzpicture}
+\\ \hline &[\RDD{bend at start}] & [\RDD{bend at end}] \\
+\hline
+\end{tabular}
+
+\bigskip
+
+ \begin{tabular}{|c|c|c|}\hline
+ \multicolumn{3}{|c|}{\BS{draw} (0,0) \DDD{sin} (1.57,2); \RRR{14-10} }\\
+ \hline
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\draw (0,0) sin (1.57,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\fill (0,0) sin (1.57,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\filldraw (0,0) sin (1.57,2);
+ \end{tikzpicture}
+ \\ \hline
+ \BS{draw}
+ &
+ \BS{fill}
+ &
+ \BS{filldraw}
+ \\ \hline
+
+
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\draw (0,0) cos (1.57,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\fill (0,0) cos (1.57,2);
+ \end{tikzpicture}
+ &
+ \begin{tikzpicture}[scale=.8,blue,line width=2pt,fill=green]
+ \draw[help lines] (0,0) grid (3,2);
+\filldraw (0,0) cos (1.57,2);
+ \end{tikzpicture}
+ \\ \hline
+\multicolumn{3}{|c|}{\BS{draw} (0,0) \DDD{cos} (1.57,2); }\\
+\hline
+ \end{tabular}
+ %----------------------------------------------------
+\bigskip
+
+\RRR{14-13}
+
+\begin{tabular}{|c|c|c|} \hline
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) to (3,2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,2);
+\draw[out=0] (0,0) to (3,2);
+\end{tikzpicture}
+&
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,2);
+\draw[in=-90] (0,0) to (3,2);
+\end{tikzpicture}
+\\ \hline
+\BS{draw} (0,0) \DDD{to} (3,2);& \BS{draw}[\RDD{out}=0] (0,0) to (3,2); & \BS{draw} [\RDD{in}=-90] (0,0) to (3,2);
+\\ \hline
+\multicolumn{3}{|c|}{voir section \ref{liaisons} page \pageref{liaisons} }\\
+\hline
+
+\end{tabular}
+
+%----------------------------------------------
+\bigskip
+
+
+
+\begin{tabular}{|c|c|c|} \hline
+\multicolumn{2}{|c|}{ \bf{Dessin avec plot} }
+\RRR{14-12} \RRR{22}
+\\ \hline
+
+une liste de coordonnées & un fichier de coordonnées & une équation mathématique
+ \\ \hline
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (5,3);
+\draw[blue,ultra thick] plot coordinates {(2,0) (3,1) (4,1) (5,2)};
+\end{tikzpicture}
+ &
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,0) grid (3,3);
+\draw[blue,ultra thick] plot file {table.dat};
+\end{tikzpicture}
+ &
+\begin{tikzpicture}[blue,line width=2pt,fill=green]
+\draw[help lines] (0,-1) grid (4,1); \draw[blue,domain=0:360,x=0.3,ultra thick] plot (\x,{sin(\x)});
+ \end{tikzpicture}
+ \\ \hline
+ plot coordinates & plot file \AC{table.dat} & plot (\BS{x},\AC{sin(\BS{x})}) \\
+ \AC{(2,0) (3,1) (4,1) (5,2)} &&
+ \\ \hline
+ \multicolumn{3}{|c|}{voir page \pageref{plot} }
+ \\ \hline
+
+\end{tabular}
+
+ %---------------------------------------------------------
+
+\section{Notion de Chemin}
+
+\RRR{14}
+
+\begin{tabular}{|c|c|} \hline
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -- (2,1) -- (3,0) ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -- (2,1) -- (3,0) -- cycle ;
+\end{tikzpicture}
+\\ \hline
+\BS{draw} (0,0) -- (2,1) -- (3,0) ;
+
+&
+\BS{draw} (0,0) - - (2,1) - - (3,0) - - \RDD{cycle} ;
+\\ \hline
+\end{tabular}
+
+\bigskip
+\begin{tabular}{|c|c|} \hline
+ \multicolumn{2}{|c|}{ \BS{draw} (0,0) -- (2,1) -- (3,3) arc (135:-20:1) .. controls (6,0) and (4,0) }\\
+ \multicolumn{2}{|c|}{ .. (5,2) sin (6.57,0) cos (7.57,2) ;}
+ \\ \hline
+
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (8,4);
+\draw (0,0) -- (2,1) -- (3,3) arc (135:-20:1) .. controls (6,0) and (4,0) .. (5,2) sin (6.57,0) cos (7.57,2) ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (8,4);
+\filldraw (0,0) -- (2,1) -- (3,3) arc (135:-20:1) .. controls (6,0) and (4,0) .. (5,2) sin (6.57,0) cos (7.57,2) ;
+\end{tikzpicture}
+\\ \hline
+\BS{draw} & \BS{filldraw}
+\\ \hline
+\end{tabular}
+
+
+
+
+
+\bigskip \RRR{14-5 }
+
+
+\begin{tabular}{|c|c|} \hline
+\begin{tikzpicture}[scale=.8,blue,line width=4mm]
+\draw[help lines] (0,0) grid (3,2);
+\draw [rounded corners] (0,0) -- (2,1) -- (3,0) ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=4mm]
+\draw[help lines] (0,0) grid (3,2);
+\draw [sharp corners] (0,0) -- (2,1) -- (3,0) ;
+\end{tikzpicture}
+\\ \hline
+\BS{draw} [\RDD{rounded corners}] (0,0) -- (2,1) -- (3,0) ;
+
+&
+\BS{draw} [\RDD{sharp corners}] (0,0) - - (2,1) - - (3,0) ;
+\\
+\hline
+\end{tabular}
+
+\bigskip
+\begin{tabular}{|c|c|} \hline
+\begin{tikzpicture}[scale=.8,blue,baseline=0pt,line width=2pt]
+\draw[help lines] (0,0) grid (2,2);
+\draw (0,0) -- (1,1.732) -- (2,0) -- cycle ;
+\end{tikzpicture}
+&
+\BS{draw} [\RDD{rounded corners}=0.5cm] (0,0) - - (1,1.732) - - (2,0) - - cycle ;
+\\ \hline
+\begin{tikzpicture}[scale=.8,blue,baseline=0pt,line width=2pt]
+\draw[help lines] (0,0) grid (2,2);
+\draw (0,0) -- (1,1.732) [rounded corners=0.5cm] -- (2,0) -- cycle ;
+\end{tikzpicture}
+&
+\BS{draw} (0,0) - - (1,1.732) [\RDD{rounded corners}=0.5cm] - - (2,0) - - cycle ;
+\\ \hline
+\begin{tikzpicture}[scale=.8,blue,baseline=0pt,line width=2pt]
+\draw[help lines] (0,0) grid (2,2);
+\draw (0,0) -- (1,1.732) -- (2,0)[rounded corners=0.5cm] -- cycle ;
+\end{tikzpicture}
+&
+\BS{draw} (0,0) - - (1,1.732) - - (2,0)[\RDD{rounded corners}=0.5cm] - - cycle ;
+\\ \hline
+\begin{tikzpicture}[scale=.8,blue,baseline=0pt,line width=2pt]
+\draw[help lines] (0,0) grid (2,2);
+\draw [rounded corners=0.5cm] (0,0) -- (1,1.732)[sharp corners] -- (2,0) -- cycle ;
+\end{tikzpicture}
+&
+\BS{draw} [\RDD{rounded corners}=0.5cm] (0,0) - - (1,1.732)[\RDD{sharp corners}] - - (2,0) - - cycle ;
+\\ \hline
+
+\end{tabular}
+
+\bigskip
+\RRR{14-2-2}
+
+
+\begin{tabular}{|c|c|} \hline
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -- (2,1) -| cycle ;
+\end{tikzpicture}
+&
+\begin{tikzpicture}[scale=.8,blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0,0) -- (2,1) |- cycle ;
+\end{tikzpicture}
+\\ \hline
+\BS{draw} (0,0) - - (2,1) \textbf{{\color{red}-|}} cycle ;
+&
+\BS{draw} (0,0) - - (2,1) \textbf{{\color{red}|-}} cycle ;
+\\
+\hline
+\end{tabular}
+
+\bigskip
+
+\begin{tabular}{|c|} \hline
+\BS{tikz} [{\color{red} c/.style}=\AC{\RDD{insert path}=\AC{circle[radius=3pt]}}] \\
+\BS{draw}(0,0){\color{red}[c]} -- (1,2){\color{red}[c]} -- (3,1) {\color{red}[c]};
+\\ \hline
+\begin{tikzpicture}[c/.style={insert path={circle[radius=3pt]}}]
+\draw[help lines] (0,0) grid (4,3);
+\draw(0,0)[c] -- (1,2)[c] -- (3,1) [c];
+\end{tikzpicture}
+\\ \hline
+\end{tabular}
+
+
+%TODO 2 commandes pour expert à voir plus tard
+
+%\tikz \draw node [append after command={(xxx)--(1,1)},draw] (xxx){noeud};
+%
+%\tikz \fill [append after command={[blue](0,0) rectangle (2,2)},draw] [red](1,1) rectangle (3,3);
+%
+%\tikz \draw node [prefix after command={(foo)--(1,1)},draw] (foo){foo};
+%
+%\tikz \fill [prefix after command={[blue](0,0) rectangle (2,2)},draw] [red](1,1) rectangle (3,3);
+\bigskip
+
+\bf{Coupure de chemin} \RRR{14-1}
+
+\bigskip
+
+\begin{tabular}{|c|} \hline
+\BS{draw} (0.5,0.5) - -(2.5,0.5) (0.5,1.5) - -(2.5,1.5);
+\\ \hline
+\begin{tikzpicture}[blue,line width=2pt]
+\draw[help lines] (0,0) grid (3,2);
+\draw (0.5,0.5) - -(2.5,0.5) (0.5,1.5) - -(2.5,1.5);
+\end{tikzpicture}
+\\ \hline
+\end{tabular}
+
+\bigskip
+
+\begin{tabular}{|c|} \hline
+\BS{draw} (0,0) - - (0,1) - - (1,1) (2,0) - - (2,1)
+- - (3,1) - - (\BDD{current subpath start}); \\
+\BS{fill}[red] (\BDD{current subpath start}) circle (3pt);
+\\ \hline
+\begin{tikzpicture}[blue,baseline=0pt,line width=2pt]
+\draw[help lines] (0,0) grid (4,2);
+\draw (0,0) -- (0,1) -- (1,1) (2,0) -- (2,1)
+-- (3,1) -- (current subpath start);
+\fill[red] (current subpath start) circle (3pt);
+\end{tikzpicture}
+\\ \hline
+\end{tabular}
+