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    /// Minimum distance between items and other hazards.
19    /// If undefined, the algorithm will run without this constraint
20    pub min_item_separation: Option<f32>,
21    /// Seed for the PRNG. If undefined, the algorithm will run in non-deterministic mode using entropy
22    pub prng_seed: Option<u64>,
23    /// Total budget of samples per item per layout
24    pub n_samples: usize,
25    /// Fraction of `n_samples_per_item` used for the local search sampler, the rest is sampled uniformly.
26    pub ls_frac: f32,
27    /// Optional SVG drawing options
28    pub svg_draw_options: SvgDrawOptions,
29}
30
31impl Default for LBFConfig {
32    fn default() -> Self {
33        Self {
34            cde_config: CDEConfig {
35                quadtree_depth: 5,
36                cd_threshold: 16,
37                item_surrogate_config: SPSurrogateConfig {
38                    n_pole_limits: [(100, 0.0), (20, 0.75), (10, 0.90)],
39                    n_ff_poles: 2,
40                    n_ff_piers: 0,
41                },
42            },
43            poly_simpl_tolerance: Some(0.001),
44            narrow_concavity_cutoff: Some((0.01, 0.01)),
45            min_item_separation: None,
46            prng_seed: None,
47            n_samples: 5000,
48            ls_frac: 0.2,
49            svg_draw_options: SvgDrawOptions::default(),
50        }
51    }
52}
lbf/config.rs

lbf/
config.rs
