offroad 0.5.7

2D offsetting for arc polylines/polygons.
Documentation 
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use togo::{poly::arcline200, prelude::*};
use offroad::{offset::offset_arcline_to_arcline, prelude::{offset_polyline_to_polyline, pline_01, OffsetCfg}};

fn main() {
    let mut cfg = OffsetCfg::default();
    // This will create an SVG file at /tmp/pline1.svg
    let mut svg = SVG::new(800.0, 800.0, Some("/tmp/multi200.svg"));
    cfg.svg = Some(&mut svg);
    cfg.svg_orig = true;
    cfg.svg_final = true;

    let arcs_orig = arcline200();
    // Translate to fit in the SVG viewport
    //let poly = polyline_translate(&poly_orig, point(250.0, 100.0));

    let mut offset_external = vec![];
    for i in 1..30 {
        let offset = offset_arcline_to_arcline(&arcs_orig, (i as f64), &mut cfg);
        offset_external.extend(offset);
    }

    let arcs_reverse = arcline_reverse(&arcs_orig);

    let mut offset_internal = vec![];
    for i in 1..30 {
        let offset = offset_arcline_to_arcline(&arcs_reverse, (i as f64), &mut cfg);
        offset_internal.extend(offset);
    }

    if let Some(svg) = cfg.svg.as_mut(){
        // Write svg to file
        svg.write_stroke_width(0.1);
    }
}


/*
samply record cargo run --release --example offset_multi200


*/