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preambule_annotation.tex 1.30 KiB
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% Annotation sur une image
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% http://blog.dorian-depriester.fr/latex/tikz/annoter-une-image-avec-tikz
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\usepackage{tikz}
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\newenvironment{annotation}[2][]{
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	\begin{tikzpicture}[]
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		\node[anchor=south west,inner sep=0] (image) at (0,0) {\includegraphics[#1]{#2}};
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		\begin{scope}[x={(image.south east)},y={(image.north west)},style={font=\vphantom{Ag}}]
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}{
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		\end{scope}
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	\end{tikzpicture}
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}
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\def\AnnoSep{0.02}	% Marge entre les annotations et l'image
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\newcommand{\BckImg}[2][]{
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	\node[anchor=south west,inner sep=0] (image) at (0,0) {\includegraphics[#1]{#2}};
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}
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\newcommand{\annoLeft}[4][->]{
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	\draw[->,#1, line width=0.5mm,-latex] (0,#2)++(-\AnnoSep,0) node[anchor=east, align=right]{#3} -- (#4);
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}
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\newcommand{\annoRight}[4][->]{
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	\draw[->,#1, line width=0.5mm,-latex] (0,#2)++(+\AnnoSep+1,0) node[anchor=west]{#3} -- (#4);
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}
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\newcommand{\annoUp}[4][->]{
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	\draw[->,#1, line width=0.5mm,-latex] (#2,0)++(0,\AnnoSep+1) node[anchor=south, align=center]{#3} -- (#4);
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}
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\newcommand{\annoDown}[4][->]{
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	\draw[->,#1, line width=0.5mm,-latex] (#2,0)++(0,-\AnnoSep) node[anchor=north, align=center]{#3} -- (#4);
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}
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\newcommand{\help}[1][0.1]{
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	\draw[help lines,xstep=#1,ystep=#1] (0,0) grid (1,1);
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	\foreach \x in {0,1,...,9} { \node [anchor=north] at (\x/10,0) {0.\x}; }
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	\foreach \y in {0,1,...,9} { \node [anchor=east] at (0,\y/10) {0.\y}; }
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}