General 2D plotting

use plotting::{Color, Figure, Format, FormatBuilder, LineStyle, NamedColor, Trace};
use std::path::Path;

fn main() {
    // Define the traces.
    let trace_1 = Trace::new_2d([1.0, 2.0, 3.0], [1.0, 2.0, 3.0])
        .name("y = x")
        .line_color(Color::named(NamedColor::Red))
        .line_width(2.0)
        .line_style(LineStyle::Dash);
    let trace_2 = Trace::new_2d([1.0, 2.0, 3.0], [1.0, 4.0, 9.0])
        .name("y = x^2")
        .line_color(Color::named(NamedColor::Blue))
        .line_width(2.0)
        .line_style(LineStyle::Dot);

    // Figure formatting.
    let format: Format = FormatBuilder::default()
        .title("y vs. x")
        .x_label("x")
        .y_label("y")
        .width(800)
        .height(600)
        .build()
        .unwrap();

    // Create the figure.
    let fig = Figure::new(vec![trace_1, trace_2], format);

    // Save the figure so it can be displayed right below this example.
    fig.save_inline_html(Path::new("book/src/figures/general_2d_plot.html"));

    // Alternatively, you can show the figure in a web browser.
    // fig.show();
}