Bc5dDownloader

ballistics_engine::bc_table_download

Struct Bc5dDownloader 

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pub struct Bc5dDownloader { /* private fields */ }
Expand description

BC5D table downloader with caching

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impl Bc5dDownloader

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pub fn new( base_url: &str, force_refresh: bool, ) -> Result<Self, Bc5dDownloadError>

Create a new downloader

§Arguments
  • base_url - Base URL for BC5D table downloads
  • force_refresh - If true, always re-download even if cached
§Returns

A new downloader, or an error if the cache directory cannot be created

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pub fn ensure_table( &mut self, caliber: f64, ) -> Result<PathBuf, Bc5dDownloadError>

Ensure a BC5D table is available for the given caliber

Downloads the table if not cached or if force_refresh is true.

§Arguments
  • caliber - Bullet caliber in inches (e.g., 0.308)
§Returns

Path to the cached table file

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pub fn available_calibers(&mut self) -> Result<Vec<f64>, Bc5dDownloadError>

Get list of available calibers from the server

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pub fn cache_dir(&self) -> &PathBuf

Get the cache directory path

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pub fn is_cached(&self, caliber: f64) -> bool

Check if a table is cached for the given caliber

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