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use plotters::prelude::*;
use rand::SeedableRng;
use rand_distr::{Distribution, Normal};
use rand_xorshift::XorShiftRng;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let data: Vec<_> = {
let norm_dist = Normal::new(500.0, 100.0).unwrap();
let mut x_rand = XorShiftRng::from_seed(*b"MyFragileSeed123");
let x_iter = norm_dist.sample_iter(&mut x_rand);
x_iter
.filter(|x| *x < 1500.0)
.take(100)
.zip(0..)
.map(|(x, b)| x + (b as f64).powf(1.2))
.collect()
};
let root =
BitMapBackend::new("plotters-doc-data/area-chart.png", (1024, 768)).into_drawing_area();
root.fill(&WHITE)?;
let mut chart = ChartBuilder::on(&root)
.set_label_area_size(LabelAreaPosition::Left, 60)
.set_label_area_size(LabelAreaPosition::Bottom, 60)
.caption("Area Chart Demo", ("sans-serif", 40))
.build_cartesian_2d(0..(data.len() - 1), 0.0..1500.0)?;
chart
.configure_mesh()
.disable_x_mesh()
.disable_y_mesh()
.draw()?;
chart.draw_series(
AreaSeries::new(
(0..).zip(data.iter()).map(|(x, y)| (x, *y)),
0.0,
&RED.mix(0.2),
)
.border_style(&RED),
)?;
Ok(())
}
#[test]
fn entry_point() {
main().unwrap()
}
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