Offroad

Adding the library to your project

To use the Offroad library in your project, add the following to your Cargo.toml:

[dependencies]
offroad = "0.5"

2D offsetting for arc polylines/polygons

Examples

Offsetting Arc Lines

use togo::prelude::*;use offroad::prelude::*;fnmain(){// Configuration for offsettingletmut cfg = OffsetCfg::default();letmut svg = SVG::new(300.0,300.0,Some("/tmp/arcline.svg"));
cfg.svg = Some(&mut svg);// Show original arcline in SVG output
cfg.svg_orig = true;// Show final offset arclines in SVG output
cfg.svg_final = true;let arc0 = arc_circle_parametrization(point(40.0,100.0),point(140.0,200.0),0.0);let arc1 = arc_circle_parametrization(point(140.0,200.0),point(240.0,100.0),0.5);let arc2 = arc_circle_parametrization(point(240.0,100.0),point(40.0,100.0),1.3);let arcs_orig = vec![arc0, arc1, arc2];// External offsettinglet offset_arclines = offset_arcline_to_arcline(&arcs_orig,15.0,&mut cfg);println!("Input arcline has {} vertices", arcs_orig.len());println!("Output has {} arclines", offset_arclines.len());for(i, arcline)in offset_arclines.iter().enumerate(){println!("Arcline {}: {} vertices", i, arcline.len());}ifletSome(svg) = cfg.svg.as_mut(){// Write svg to file
svg.write_stroke_width(0.1);}}

Related Projects

Offroad is part of the open-sourced Nest2D projects collection.