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33 lines
1.1 KiB
TeX
33 lines
1.1 KiB
TeX
\documentclass{article}
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\usepackage[pdftex,active,tightpage]{preview}
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\setlength\PreviewBorder{2mm}
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\usepackage{tikz}
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\usepackage{tikz-3dplot}
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\begin{document}
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\begin{preview}
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\tdplotsetmaincoords{70}{110}
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\begin{tikzpicture}[scale=3,tdplot_main_coords]
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\draw[thick,->] (0,0,0) -- (1,0,0) node[anchor=north east]{$x$};
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\draw[thick,->] (0,0,0) -- (0,1,0) node[anchor=north west]{$y$};
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\draw[thick,->] (0,0,0) -- (0,0,1) node[anchor=south]{$z$};
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\tdplotsetcoord{O}{0}{0}{0}
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\tdplotsetcoord{P}{.8}{50}{70}
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%draw a vector from origin to point (P)
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\draw[-stealth,color=red] (O) -- (P);
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%draw projection on xy plane, and a connecting line
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\draw[dashed, color=red] (O) -- (Pxy);
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\draw[dashed, color=red] (P) -- (Pxy);
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\tdplotsetthetaplanecoords{70}
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\draw[tdplot_rotated_coords,color=blue,thick,->] (0,0,0)
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-- (.2,0,0) node[anchor=east]{$x'$};
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\draw[tdplot_rotated_coords,color=blue,thick,->] (0,0,0)
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-- (0,.2,0) node[anchor=north]{$y'$};
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\draw[tdplot_rotated_coords,color=blue,thick,->] (0,0,0)
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-- (0,0,.2) node[anchor=west]{$z'$};
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\end{tikzpicture}
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\end{preview}
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\end{document}
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