46 lines
1.6 KiB
TeX
46 lines
1.6 KiB
TeX
\documentclass{standalone}
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%
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\usepackage{tikz}
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\usepackage{xcolor}
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\definecolor{space}{HTML}{0A2543}
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\definecolor{earth}{HTML}{0089FA}
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\definecolor{mars}{HTML}{DC7B4E}
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%
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\usepackage{mathptmx}
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\usepackage{fontspec}
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\setmainfont{Montserrat}
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%
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\title{Diffusione della luce in atmosfera}
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\begin{document}
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\tikzset{partial ellipse/.style args = {#1:#2:#3}{insert path={+ (#1:#3) arc (#1:#2:#3)}}}
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\begin{tikzpicture}
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%
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\draw [fill=space] (-14,9) rectangle (14,-7.1);
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%
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\coordinate (B') at (-14,9);
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\coordinate (D') at (14,9);
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\coordinate (S') at (14,-7.1);
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\draw [use as bounding box] (B') -| (D') |- (S') -| (B');
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\begin{scope}
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%
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\draw (-14,2) [fill=white, partial ellipse=90:-90:3 and 3];
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%
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\draw [fill=white!50!earth, opacity=0.4](-14,-3.44) -- (-14,-7.2) -- (14,-7.2) -- (14,6.25);
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\draw (10,-27.5) [fill=white!50!earth, opacity=0.4, partial ellipse=83.2:135:34 and 34];
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\draw [color=earth, fill=earth] (14,-2.8) -- (14,-7.2) -- (-4.7,-7.2);
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\draw (10,-27.5) [color=earth, fill=earth, partial ellipse=80.8:126:25 and 25];
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%
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\draw [color=white, ultra thick] (-11,2) -- (-6.9,2);
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\draw [color=blue, ultra thick] (-6.9,2) -- (-1.7,-5.4);
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\draw [color=red, ultra thick] (-6.9,2) -- (14,2);
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%
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\draw [<-, color=white, ultra thick] (-6.9,2) -- (-5.9,5);
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\node at (-5.9,6.4) {\textcolor{white}{\fontsize{20}{21}\selectfont La luce del Sole viene diffusa}};
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\node at (-5.9,5.5) {\textcolor{white}{\fontsize{20}{21}\selectfont dall'atmosfera terrestre}};
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%
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\draw [fill=white] (-14,-7.1) rectangle (14,-7.3);
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\end{scope}
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\end{tikzpicture}
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%
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\end{document}
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