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CSPICE Rust

  • cspice-sys: Unsafe bindings to the CSPICE functions.
  • cspice: Safe wrapper around the CSPICE library using Rust abstractions.

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cspice-rs's Issues

Return Rectangular for position functions rather than Vector3D

Hey Jacob! Currently the return type for spk::position and other similar functions is a Vector3D.

pub fn position<'t, 'r, 'o, T, R, O>(
    target: T,
    et: Et,
    reference_frame: R,
    aberration_correction: AberrationCorrection,
    observing_body: O,
) -> Result<(Vector3D, SpiceDouble), Error>

However the CSPICE documentation says the following:

ptarg is a Cartesian 3-vector ... The three components of `ptarg' represent the x-, y- and z-components of the target's position.

Perhaps we should return Rectangular so as to streamline the conversion to different coordinate systems. Something like:

let (rect, _lt) = spk::position(...).unwrap();
let azel = coordinates::AzEl::from_rect(&rect, false, false);

Optionally we could also break apart the return type of functions which return [SpiceDouble; 6] into their position (Rectangular)

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