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Bc5dTable

ballistics_engine::bc_table_5d

Struct Bc5dTable 

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pub struct Bc5dTable { /* private fields */ }
Expand description

BC5D table with 4D interpolation (drag type is discrete)

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impl Bc5dTable

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pub fn load<P: AsRef<Path>>(path: P) -> Result<Self, Bc5dError>

Load a BC5D table from a binary file

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pub fn lookup( &self, weight_grains: f64, base_bc: f64, muzzle_velocity: f64, current_velocity: f64, drag_type: &str, ) -> f64

Look up a BC correction factor with 4D linear interpolation (drag type is discrete, not interpolated)

§Arguments
  • weight_grains - Bullet weight in grains
  • base_bc - Published BC value
  • muzzle_velocity - Initial muzzle velocity in fps
  • current_velocity - Current bullet velocity in fps
  • drag_type - “G1” or “G7”
§Returns

Correction factor (multiply published BC by this value)

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pub fn get_effective_bc( &self, weight_grains: f64, base_bc: f64, muzzle_velocity: f64, current_velocity: f64, drag_type: &str, ) -> f64

Get the effective BC at a given velocity

This multiplies the base BC by the correction factor from the table.

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pub fn caliber(&self) -> f32

Get caliber this table is for

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pub fn version(&self) -> u32

Get table version

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pub fn api_version(&self) -> &str

Get API version used to generate the table

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pub fn timestamp(&self) -> u64

Get generation timestamp

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pub fn total_cells(&self) -> usize

Get total number of cells in the table

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pub fn dimensions_str(&self) -> String

Get table dimensions as a string

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pub fn weight_range(&self) -> (f32, f32)

Get weight range

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pub fn velocity_range(&self) -> (f32, f32)

Get velocity range

Trait Implementations§

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impl Debug for Bc5dTable

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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