charton 0.5.0

A high-performance, layered charting system for Rust, featuring a flexible data core and multi-backend rendering.
Documentation 
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use charton::prelude::*;
use std::error::Error;

fn main() -> Result<(), Box<dyn Error>> {
    // Sample data: Country information
    let gdp = [21.43, 14.34, 5.31, 4.94, 3.87, 3.75]; // Trillions USD
    let population = [331.9, 143.9, 1380.0, 279.6, 67.2, 67.0]; // Millions
    let country = ["USA", "Russia", "China", "Brazil", "UK", "France"];
    let continent = [
        "North America",
        "Europe",
        "Asia",
        "South America",
        "Europe",
        "Europe",
    ];

    // Create a text chart showing countries with GDP vs Population using the new API
    chart!(gdp, &population, country, &continent)?
        .mark_text()?
        .configure_text(|t| t.with_size(12.0))
        .encode((
            alt::x("gdp"),
            alt::y("population"),
            alt::text("country"),
            alt::color("continent"),
        ))?
        .with_x_label("GDP (Trillion USD)")
        .with_y_label("Population (Millions)")
        .with_x_expand(Expansion {
            mult: (0.1, 0.1),
            add: (0.1, 0.1),
        })
        .save("docs/src/images/text.svg")?;

    Ok(())
}