1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
use plotters::prelude::*;
fn main() -> Result<(), Box<dyn std::error::Error>> {
let root =
BitMapBackend::new("plotters-doc-data/twoscale.png", (1024, 768)).into_drawing_area();
root.fill(&WHITE)?;
let mut chart = ChartBuilder::on(&root)
.x_label_area_size(35)
.y_label_area_size(40)
.right_y_label_area_size(40)
.margin(5)
.caption("Dual Y-Axis Example", ("sans-serif", 50.0).into_font())
.build_cartesian_2d(0f32..10f32, LogRange(0.1f32..1e10f32))?
.set_secondary_coord(0f32..10f32, -1.0f32..1.0f32);
chart
.configure_mesh()
.disable_x_mesh()
.disable_y_mesh()
.y_desc("Log Scale")
.y_label_formatter(&|x| format!("{:e}", x))
.draw()?;
chart
.configure_secondary_axes()
.y_desc("Linear Scale")
.draw()?;
chart
.draw_series(LineSeries::new(
(0..=100).map(|x| (x as f32 / 10.0, (1.02f32).powf(x as f32 * x as f32 / 10.0))),
&BLUE,
))?
.label("y = 1.02^x^2")
.legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], &BLUE));
chart
.draw_secondary_series(LineSeries::new(
(0..=100).map(|x| (x as f32 / 10.0, (x as f32 / 5.0).sin())),
&RED,
))?
.label("y = sin(2x)")
.legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], &RED));
chart
.configure_series_labels()
.background_style(&RGBColor(128, 128, 128))
.draw()?;
Ok(())
}
#[test]
fn entry_point() {
main().unwrap()
}
|
