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use plotters::prelude::*;
const OUT_FILE_NAME: &'static str = "plotters-doc-data/3d-plot.svg";
fn main() -> Result<(), Box<dyn std::error::Error>> {
let area = SVGBackend::new(OUT_FILE_NAME, (1024, 760)).into_drawing_area();
area.fill(&WHITE)?;
let x_axis = (-3.0..3.0).step(0.1);
let z_axis = (-3.0..3.0).step(0.1);
let mut chart = ChartBuilder::on(&area)
.caption(format!("3D Plot Test"), ("sans", 20))
.build_cartesian_3d(x_axis.clone(), -3.0..3.0, z_axis.clone())?;
chart.with_projection(|mut pb| {
pb.yaw = 0.5;
pb.scale = 0.9;
pb.into_matrix()
});
chart
.configure_axes()
.light_grid_style(BLACK.mix(0.15))
.max_light_lines(3)
.draw()?;
chart
.draw_series(
SurfaceSeries::xoz(
(-30..30).map(|f| f as f64 / 10.0),
(-30..30).map(|f| f as f64 / 10.0),
|x, z| (x * x + z * z).cos(),
)
.style(BLUE.mix(0.2).filled()),
)?
.label("Surface")
.legend(|(x, y)| Rectangle::new([(x + 5, y - 5), (x + 15, y + 5)], BLUE.mix(0.5).filled()));
chart
.draw_series(LineSeries::new(
(-100..100)
.map(|y| y as f64 / 40.0)
.map(|y| ((y * 10.0).sin(), y, (y * 10.0).cos())),
&BLACK,
))?
.label("Line")
.legend(|(x, y)| PathElement::new(vec![(x, y), (x + 20, y)], &BLACK));
chart
.configure_series_labels()
.border_style(&BLACK)
.draw()?;
// To avoid the IO failure being ignored silently, we manually call the present function
area.present().expect("Unable to write result to file, please make sure 'plotters-doc-data' dir exists under current dir");
println!("Result has been saved to {}", OUT_FILE_NAME);
Ok(())
}
#[test]
fn entry_point() {
main().unwrap()
}
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