Class CmdlineOptions

tools/dla.rs:23–76

#[derive(Debug, Parser)]
#[clap(name = "dla")]
struct CmdlineOptions {
    /// The log level
    #[clap(short, long, default_value_t = tracing::Level::INFO)]
    log_level: tracing::Level,

    /// Output file to write result to. Defaults to stdout.
    #[clap(short, long)]
    output: Option<PathBuf>,

    /// Output format. Either "tgf" graph format or "points" point cloud.
    #[clap(short, long, default_value = "tgf")]
    format: OutputFormat,

    /// Spacing between joined together particles.
    #[clap(long, default_value = "1")]
    particle_spacing: f64,

    /// Distance threshold for joining together two particles.
    #[clap(short, long, default_value = "3")]
    attraction_distance: f64,

    /// Minimum move distance for random walk.
    #[clap(short, long, default_value = "1")]
    min_move_distance: f64,

    /// Defines how many interactions are necessary for a particle to stick to another.
    /// The number of join attempts is tracked per-particle.
    #[clap(long, default_value = "0")]
    stubbornness: usize,

    /// Defines the probability that another particle will allow a particle to stick to another.
    /// Applies after stubbornness.
    #[clap(long, default_value = "1")]
    stickiness: f64,

    /// Number of seed particles.
    /// If one seed particle is used, it will be placed at the origin.
    /// Otherwise, the seed particles will be uniformly spread around the origin.
    #[clap(long, default_value = "1")]
    seeds: usize,

    /// The random seed to use, for reproducibility. Zero for a random seed.
    #[clap(long, default_value = "0")]
    seed: u64,

    // TODO: Need to define different methods of placing the seed points.
    /// Dimensionality of the particles.
    #[clap(short, long, default_value = "2")]
    dimensions: u8,

    /// Number of particles to add.
    #[clap(short, long, default_value = "10000")]
    particles: usize,
}

impl CmdlineOptions {
    /// Get a BufWriter for stdout or the specified output file.