1use std::{error::Error,
2 fs::File,
3 io::Write,
4 process::Command};
5use curve_sampling::Sampling;
6
7fn main() -> Result<(), Box<dyn Error>> {
8 let s = Sampling::from_iter([[0., 0.], [1., 1.], [f64::NAN, f64::NAN],
9 [1., 1.], [3., -1.]]);
10 s.latex().arrow_pos(0.3).write(&mut File::create("/tmp/arrow0.tex")?)?;
11
12 let s = Sampling::uniform(|x| -0.7 * (x - 1.).powi(2), 0., 2.5).build();
13 s.latex().arrow_pos(0.6).write(&mut File::create("/tmp/arrow1.tex")?)?;
14
15
16 File::create("/tmp/arrows.tex")?.write_all(
17 r"\documentclass{article}
18\usepackage{tikz}
19\begin{document}
20\begin{tikzpicture}[x=3cm, y=3cm]
21 \draw[->] (-1.2, 0) -- (3.2, 0);
22 \draw[->] (0, -1.2) -- (0, 1.7);
23 \foreach \x in {-1, -0.5, 0.5, 1, 1.5,..., 3}{
24 \draw (\x, 3pt) -- (\x, -3pt) node[below]{$\scriptstyle \x$};
25 }
26 \foreach \y in {-1, -0.5, 0.5, 1, 1.5}{
27 \draw (3pt, \y) -- (-3pt, \y) node[left]{$\scriptstyle \y$};
28 }
29 \begin{scope}[color=blue, line width=1pt]
30 \input{arrow0.tex}
31 \end{scope}
32 \begin{scope}[color=orange, line width=1pt]
33 \input{arrow1.tex}
34 \end{scope}
35\end{tikzpicture}
36\end{document}".as_bytes())?;
37
38 std::env::set_current_dir("/tmp")?;
39 Command::new("pdflatex")
40 .args(["-interaction=batchmode", "arrows.tex"]).output()?;
41 Ok(())
42}