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fitted_line.rs
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fitted_line.rs
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use pgfplots::{
axis::{plot::*, *},
Engine, Picture,
};
use std::f64::consts::PI;
fn main() {
// Set the straight dotted line
let mut line = Plot2D::new();
line.coordinates = (0..11)
.into_iter()
.map(|i| (f64::from(i), 2.0 * PI * f64::from(i)).into())
.collect();
line.add_key(PlotKey::Custom(String::from("dashed")));
// Set the points with error bars
let mut points = Plot2D::new();
points
.coordinates
.push((1.0, 8.0, Some(0.2), Some(0.9)).into());
points
.coordinates
.push((3.0, 16.0, Some(0.4), Some(1.4)).into());
points
.coordinates
.push((5.0, 33.0, Some(0.2), Some(3.4)).into());
points
.coordinates
.push((7.0, 41.0, Some(0.2), Some(3.4)).into());
points
.coordinates
.push((9.0, 58.0, Some(0.5), Some(1.4)).into());
points.add_key(PlotKey::Type2D(Type2D::OnlyMarks));
points.add_key(PlotKey::XError(ErrorCharacter::Absolute));
points.add_key(PlotKey::XErrorDirection(ErrorDirection::Both));
points.add_key(PlotKey::YError(ErrorCharacter::Absolute));
points.add_key(PlotKey::YErrorDirection(ErrorDirection::Both));
points.add_key(PlotKey::Custom(String::from("mark size=1pt")));
// Customize axis environment
let mut axis = Axis::new();
axis.set_title("Slope is $2\\pi$");
axis.set_x_label("Radius~[m]");
axis.set_y_label("Circumference~[m]");
axis.plots.push(line);
axis.plots.push(points);
axis.add_key(AxisKey::Custom(String::from("legend entries={fit,data}")));
axis.add_key(AxisKey::Custom(String::from("legend pos=north west")));
#[cfg(feature = "tectonic")]
Picture::from(axis).show_pdf(Engine::Tectonic).unwrap();
#[cfg(not(feature = "tectonic"))]
Picture::from(axis).show_pdf(Engine::PdfLatex).unwrap();
}