32 lines
1.3 KiB
TeX
32 lines
1.3 KiB
TeX
% ref. https://tex.stackexchange.com/a/523362/235607
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\documentclass[tikz]{standalone}
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\usepackage{tikz-3dplot}
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\usepackage{tkz-euclide}
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\usepackage{mathtools}
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\begin{document}
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\tdplotsetmaincoords{50}{0}
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\begin{tikzpicture}[tdplot_main_coords,bullet/.style={circle,inner
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sep=1pt,fill=black,fill opacity=1}]
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\begin{scope}[canvas is xy plane at z=0]
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\tkzDefPoints{-2/-1/A,3/-1/B,4/2/C}
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\tkzDefParallelogram(A,B,C)
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\tkzGetPoint{D}
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\tkzDrawPolygon[fill=gray!25!white](A,B,C,D)
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\draw[decorate,decoration={brace,
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amplitude=8pt},xshift=0pt,very thin,gray] (2,0) -- ++(-1,-0.5) node [black,midway,xshift=0.5em,yshift=-1em] {\color{blue}$a$};
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\end{scope}
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\begin{scope}[canvas is xz plane at y=0]
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\draw[thick,fill=white,fill opacity=0.7,nodes={opacity=1}]
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(2,0) node[bullet,label=below right:{$\mathbf{X}$}] {}
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-- (0,0) node[bullet] {}
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-- (0,3) node[bullet,label=above:{$\mathbf{Y}$}] {} -- cycle;
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\draw (0.25,0) -- (0.25,0.25) -- (0,0.25);
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\draw[decorate,decoration={brace,
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amplitude=8pt},xshift=0pt,very thin,gray] (0,0) -- (0,3) node [black,midway,xshift=-1.25em,yshift=0em] {\color{blue}$b$};
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\end{scope}
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\begin{scope}[canvas is xy plane at z=0]
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\draw[->] (2,0) -- ++(-0.75,0.75) node [left] {$\mathbf{1}$};
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\draw[->] (2,0) -- ++(-1,-0.5);
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\end{scope}
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\end{tikzpicture}
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\end{document} |