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TypeBConversion

eulumdat::type_b_conversion

Struct TypeBConversion 

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pub struct TypeBConversion;
Expand description

Type B photometric coordinate conversion utilities

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impl TypeBConversion

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pub fn type_c_to_type_b(c_deg: f64, gamma_deg: f64) -> (f64, f64)

Convert Type C (C-plane, gamma) coordinates to Type B (H, V) coordinates.

§Arguments
  • c_deg - C-plane angle in degrees
  • gamma_deg - Gamma angle in degrees (from nadir)
§Returns

(h_deg, v_deg) - Horizontal and vertical angles in degrees

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pub fn type_b_to_type_c(h_deg: f64, v_deg: f64) -> (f64, f64)

Convert Type B (H, V) coordinates to Type C (C-plane, gamma) coordinates.

§Arguments
  • h_deg - Horizontal angle in degrees
  • v_deg - Vertical angle in degrees
§Returns

(c_deg, gamma_deg) - C-plane angle and gamma angle in degrees

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pub fn intensity_at_type_b(ldt: &Eulumdat, h_deg: f64, v_deg: f64) -> f64

Get intensity at Type B coordinates by converting to Type C and sampling.

§Arguments
  • ldt - The Eulumdat data
  • h_deg - Horizontal angle in degrees
  • v_deg - Vertical angle in degrees
§Returns

Intensity in cd/klm at the given Type B coordinates

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