lbf/
config.rs

1use jagua_rs::collision_detection::CDEConfig;
2use jagua_rs::geometry::fail_fast::SPSurrogateConfig;
3use jagua_rs::io::svg::SvgDrawOptions;
4use serde::{Deserialize, Serialize};
5
6/// Configuration for the LBF optimizer
7#[derive(Debug, Serialize, Deserialize, Clone, Copy)]
8#[serde(default)]
9pub struct LBFConfig {
10    /// Configuration of the Collision Detection Engine
11    pub cde_config: CDEConfig,
12    /// Max deviation from the original polygon area as a fraction. If undefined, the algorithm will run without simplification
13    pub poly_simpl_tolerance: Option<f32>,
14    /// Definition of what is considered a narrow concavity that will be closed
15    /// See [`jagua_rs::geometry::shape_modification::ShapeModifyConfig`] for more details.
16    /// If undefined, the algorithm will run without closing narrow concavities
17    pub narrow_concavity_cutoff: Option<(f32, f32)>,
18    /// Seed for the PRNG. If undefined, the algorithm will run in non-deterministic mode using entropy
19    pub prng_seed: Option<u64>,
20    /// Total budget of samples per item per layout
21    pub n_samples: usize,
22    /// Fraction of `n_samples_per_item` used for the local search sampler, the rest is sampled uniformly.
23    pub ls_frac: f32,
24    /// Optional SVG drawing options
25    pub svg_draw_options: SvgDrawOptions,
26}
27
28impl Default for LBFConfig {
29    fn default() -> Self {
30        Self {
31            cde_config: CDEConfig {
32                item_surrogate_config: SPSurrogateConfig {
33                    n_pole_limits: [(100, 0.0), (20, 0.75), (10, 0.90)],
34                    ff_pole_area_ratio: 0.5,
35                },
36            },
37            poly_simpl_tolerance: Some(0.001),
38            narrow_concavity_cutoff: Some((0.01, 0.01)),
39            prng_seed: None,
40            n_samples: 5000,
41            ls_frac: 0.2,
42            svg_draw_options: SvgDrawOptions::default(),
43        }
44    }
45}
lbf/config.rs

lbf/
config.rs
