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Affine

connectivity_core

Struct Affine 

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pub struct Affine {
    pub x_scale: f64,
    pub x_skew: f64,
    pub x_origin: f64,
    pub y_skew: f64,
    pub y_scale: f64,
    pub y_origin: f64,
}
Expand description

Affine transform from (row, col) pixel indices to world (x, y) coordinates.

The fields follow the rasterio/affine tuple order (a, b, c, d, e, f), i.e. tuple(transform)[:6] in Python, not GDAL’s GetGeoTransform order: x = a * col + b * row + c and y = d * col + e * row + f. Projected coordinates are in metres; geographic coordinates are longitude (x) and latitude (y) in degrees.

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§x_scale: f64

Pixel width (a).

§x_skew: f64

Rotation/skew term (b), usually 0.

§x_origin: f64

Top-left corner X (c).

§y_skew: f64

Rotation/skew term (d), usually 0.

§y_scale: f64

Pixel height (e), negative if north-up.

§y_origin: f64

Top-left corner Y (f).

Implementations§

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impl Affine

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pub fn xy(&self, row: i32, col: i32) -> (f64, f64)

Convert (row, col) to (x, y) at pixel centre by default.

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pub fn col_row(&self, x: f64, y: f64) -> (f64, f64)

Convert world (x, y) to continuous (col, row) pixel coordinates.

Trait Implementations§

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impl Clone for Affine

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Copy for Affine

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impl Debug for Affine

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

Formats the value using the given formatter. Read more
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impl From<(f64, f64, f64, f64, f64, f64)> for Affine

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fn from(t: (f64, f64, f64, f64, f64, f64)) -> Self

From an (a, b, c, d, e, f) tuple in rasterio/affine order.

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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<U> 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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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.