Struct WCSTransform

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pub struct WCSTransform {
    pub crval1: f64,
    pub crval2: f64,
    pub crpix1: f64,
    pub crpix2: f64,
    pub cdelt1: f64,
    pub cdelt2: f64,
    pub cd_matrix: Option<[[f64; 2]; 2]>,
    pub ctype1: String,
    pub ctype2: String,
}

Expand description

World Coordinate System parameters

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§crval1: f64

Reference coordinate value at reference pixel (RA)

§crval2: f64

Reference coordinate value at reference pixel (Dec)

§crpix1: f64

Reference pixel coordinate

§crpix2: f64

Reference pixel coordinate

§cdelt1: f64

Coordinate increment at reference pixel

§cdelt2: f64

Coordinate increment at reference pixel

§cd_matrix: Option<[[f64; 2]; 2]>

Coordinate transformation matrix

§ctype1: String

Coordinate type (e.g., “RA—TAN”, “DEC–TAN”)

§ctype2: String

Coordinate type

Implementations§

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impl WCSTransform

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pub fn from_fitsheader(header: &FitsHeader) -> Result<Self>

Create WCS transform from FITS header

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pub fn pixel_to_world(&self, px: f64, py: f64) -> (f64, f64)

Convert pixel coordinates to world coordinates

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pub fn world_to_pixel(&self, ra: f64, dec: f64) -> (f64, f64)

Convert world coordinates to pixel coordinates

Trait Implementations§

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impl Clone for WCSTransform

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fn clone(&self) -> WCSTransform

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for WCSTransform

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl UnwindSafe for WCSTransform

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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