Astrografica: pianeta pi greco

infographics/astro_pi.tex

@@ -0,0 +1,61 @@
+\documentclass{standalone}
+%
+\usepackage{tikz}
+\usetikzlibrary{backgrounds,decorations.pathmorphing,arrows.meta}
+\usepackage{tkz-euclide}
+%
+\usepackage{xcolor}
+%
+\definecolor{space}{HTML}{0A2543}
+\definecolor{earth}{HTML}{0089FA}
+\definecolor{dida}{HTML}{FFDE00}
+\definecolor{title}{HTML}{FBA706}
+%
+\usepackage{fontspec}
+\setmainfont{Open Dyslexic}
+%
+\title{Pi greco. Per caso.}
+\begin{document}
+	\tikzset{
+		partial ellipse/.style args = {#1:#2:#3}{insert path={+ (#1:#3) arc (#1:#2:#3)}},
+	}
+	\begin{tikzpicture}[background rectangle/.style={fill=white},show background rectangle,>={[inset=0,angle'=27]Stealth}]
+		%title
+		\draw [black,ultra thick,fill=title] (1,-2) rectangle (29,2);
+		\node at (15,0) {\textcolor{black}{\fontsize{75}{76}\selectfont Pianeta Pi Greco}};
+		%
+		\begin{scope}[shift={(0,-5.5)}]
+			\draw [fill=dida, ultra thick] (2,2.5) rectangle (28,-2.5);
+			\node (example-textwidth-2) [right, align=left, text width=25cm, color=black, font=\fontsize{23pt}{24pt}\selectfont] at (2.5,0) {Una visualizzazione astronomica delle prime cifre decimali del \emph{pi greco}. Ogni cifra è un piccolo pianeta le cui dimensioni e distanza dal centro dipendono dalla cifra stessa, mentre la linea tratteggiata che collega ciascun "pianeta" segue il percorso ordinato dalla prima alla successiva.};
+		\end{scope}
+		%
+		\begin{scope}[shift={(15,-18)}]
+			\tkzDefPoint(0,0){P0}
+			\tkzDrawPoint(P0)
+			\edef\r{0}
+			\foreach \i/\j in {1/1,4/2,1/3,5/4,9/5,2/6,6/7,5/8,4/9}
+			{
+				\pgfmathsetmacro{\a}{360*rand}
+				\pgfmathsetmacro{\c}{0.7*rand}
+				%
+				\pgfmathsetmacro{\x}{\i * cos(\a)}
+				\pgfmathsetmacro{\y}{\i * sin(\a)}
+				%
+				\tkzDefPoint(\x,\y){P\j}
+				\pgfmathparse{70*rnd+30}
+				\edef\tmp{\pgfmathresult}
+				\tkzDrawPoint[size=\i,color=space!\tmp!earth](P\j)
+			}
+			\foreach \i/\j in {1/0,2/1,3/2,4/3,5/4,6/5,7/6,8/7,9/8}
+				{
+					\tkzDrawSegments[dotted](P\j,P\i)
+					\tkzDrawCircle(P0,P\i)
+				}
+		\end{scope}
+		%
+		\begin{scope}[shift={(0,-28)}]
+			\node at (27,0) () {\includegraphics[width=3.7cm]{licenza}};
+			\node at (18,-0.1) {\textcolor{black}{\fontsize{14}{15}\selectfont Testo e grafica: @ulaulaman - Gianluigi Filippelli}};
+		\end{scope}
+	\end{tikzpicture}
+\end{document}