82 lines
4.3 KiB
TeX
82 lines
4.3 KiB
TeX
\documentclass{standalone}
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%
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\usepackage{tikz}
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\usetikzlibrary{backgrounds}
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\usetikzlibrary{plotmarks}
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\usetikzlibrary{arrows}
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\usetikzlibrary{arrows.meta}
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\tikzset{>={Latex[width=5mm,length=10mm]}}
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\usetikzlibrary{decorations, decorations.text}
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%
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\usepackage{amsmath}
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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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\definecolor{dida}{HTML}{FFDE00}
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\definecolor{title}{HTML}{FBA706}
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\definecolor{moon}{HTML}{AFAFAF}
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\definecolor{lsb}{HTML}{D8603E}
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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{Eratosthenes method}
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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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\begin{scope}
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\draw [fill=space,ultra thick] (-11.2,14) -- (11.2,14) -- (11.2,-17.2) -- (-11.2,-17.2) -- (-11.2,14);
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\end{scope}
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\begin{scope}[shift={(0,-1)}]
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\draw [fill=dida,ultra thick] (-8.4,15.8) -- (8.4,15.8) -- (8.4,13.2) -- (-8.4,13.2) -- (-8.4,15.8);
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\node at (0,15) () {\textcolor{black}{\fontsize{24}{25}\selectfont Eratosthenes method for determining}};
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\node at (0,14) () {\textcolor{black}{\fontsize{24}{25}\selectfont the size of the Earth}};
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\end{scope}
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\begin{scope}
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%earth surface
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\draw [fill=earth] (-11,1) arc(90:0:18) -- (-11,-17) -- (-11,1);
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%surface label
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\draw [decorate,decoration={text along path, raise=8pt, text align=right, text={|\fontsize{27}{28}\selectfont\color{white}|Earth's surface}}] (-11,1) arc(90:0:18);
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%earth center label
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\draw [ultra thick] (-11,-16) arc(90:0:1);
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\node at (-5,-16.5) () {\fontsize{27}{28}\selectfont Center of the Earth};
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%wall
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\draw[rotate around={-38:(0.18,-2.9)},ultra thick,fill=white, opacity=0.5] (0.18,-2.9) -- (0.7,-2.9) -- (0.7,-4.4) -- (0.18,-4.4) -- (0.18,-2.9);
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%arrows
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\begin{scope}
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%alexandria vertical label
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\draw [decorate,decoration={text along path, raise=6pt, text align=center, text={|\fontsize{24}{25}\selectfont\color{red}|Vertical at Alexandria}}] (-1.88,-1.48) -- (4.8,9.9);
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%parallels label
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\draw[shift={(-1,0.8)}] [decorate, decoration={text along path, raise=2pt, text align=center, text={|\fontsize{24}{25}\selectfont\color{blue}|Parallel ray's to the Sun}}] (0.36,-3.05) -- (11.1,10.1);
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%sun rays vertical label syene
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\draw[arrows=->, color=blue, ultra thick] (0.36,-3.05) -- (11.1,10.1) node [below, midway, sloped] (TextNode) {\textcolor{red}{\fontsize{24}{25}\selectfont Vertical to Syene}};
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%sun rays alexandria
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\draw[arrows=->, color=blue, ultra thick, shift={(-2.24,1.57)}] (0.36,-3.05) -- (11.1,10.1);
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%vertical alexandria syene
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\draw[arrows=->, color=red, ultra thick] (-11,-17) -- (4.8,9.9);
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\draw[arrows=->, color=red, ultra thick, rotate around={-8.75:(-11,-17)}] (-11,-17) -- (4.8,9.9);
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%5000 stadia
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\draw[arrows=<->,color=white, ultra thick] (-1.38,-0.58) -- (0.98,-2.35);
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\draw [decorate,decoration={text along path, raise=10pt, text align=center, text={|\fontsize{15}{16}\selectfont\color{white}|stadia}}] (-1.38,-0.58) -- (0.98,-2.35);
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\draw [decorate,decoration={text along path, raise=25pt, text align=center, text={|\fontsize{15}{16}\selectfont\color{white}|5000}}] (-1.38,-0.58) -- (0.98,-2.35);
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%alexandri arrow
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\draw[arrows=<-, ultra thick, color=white] (-1.88,-1.48) -- (-2.3,1.5) -- (-3,1.7) node [left] (TextNode) {\textcolor{white}{\fontsize{21}{22}\selectfont Alexandria}};
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%syene arrow
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\draw[arrows=<-, ultra thick, color=white] (0.36,-3.05) -- (2.3,-2) -- (3.3,-2) node [right] (TextNode) {\textcolor{white}{\fontsize{21}{22}\selectfont Syene (aswan) Wall}};
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\end{scope}
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%equator
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\draw[-,dashed, ultra thick, rotate around={1:(0.4,-10.8)}] (0.4,-10.8) -- (4.9,-8.5) node [above, midway, sloped] (TextNode) {\textcolor{black}{\fontsize{21}{22}\selectfont Equator}};
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%1/50th
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\draw [ultra thick] (-8.75,-13) arc(90:63:2) node [right] (TextNode) {\textcolor{black}{\fontsize{15}{16}\selectfont $\;$ 7\textdegree 12' or 1/50th of a circle}};
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\draw [ultra thick] (0.52,2.7) arc(90:63:2);
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%
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\node at (-5.5,8.5) () {\textcolor{white}{\fontsize{21}{22}\selectfont 50 $\cdot$ 5000 $=$ 250000 stadia}};
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\node at (-3.05,7.5) () {\textcolor{white}{\fontsize{21}{22}\selectfont $\simeq$ 56000000 meters}};
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\end{scope}
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%
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\end{tikzpicture}
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%
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\end{document}
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