Enum ProjectionMethod

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pub enum ProjectionMethod {
    WebMercator,
    TransverseMercator {
        lon0: f64,
        lat0: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    PolarStereographic {
        lon0: f64,
        lat_ts: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    LambertConformalConic {
        lon0: f64,
        lat0: f64,
        lat1: f64,
        lat2: f64,
        false_easting: f64,
        false_northing: f64,
    },
    AlbersEqualArea {
        lon0: f64,
        lat0: f64,
        lat1: f64,
        lat2: f64,
        false_easting: f64,
        false_northing: f64,
    },
    Mercator {
        lon0: f64,
        lat_ts: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    EquidistantCylindrical {
        lon0: f64,
        lat_ts: f64,
        false_easting: f64,
        false_northing: f64,
    },
}

Expand description

All supported projection methods with their parameters.

Angle parameters are stored in degrees. Conversion to radians happens at projection construction time (once), not per-transform.

Variants§

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WebMercator

Web Mercator (EPSG:3857) — spherical Mercator on WGS84 semi-major axis.

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TransverseMercator

Transverse Mercator (includes UTM zones).

Fields

§lon0: f64

Central meridian (degrees).

§lat0: f64

Latitude of origin (degrees).

§k0: f64

Scale factor on central meridian.

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

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PolarStereographic

Polar Stereographic.

Fields

§lon0: f64

Central meridian / straight vertical longitude (degrees).

§lat_ts: f64

Latitude of true scale (degrees). Determines the hemisphere.

§k0: f64

Scale factor (used when lat_ts = ±90°, otherwise derived from lat_ts).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

LambertConformalConic

Lambert Conformal Conic (1SP or 2SP).

Fields

§lon0: f64

Central meridian (degrees).

§lat0: f64

Latitude of origin (degrees).

§lat1: f64

First standard parallel (degrees).

§lat2: f64

Second standard parallel (degrees). Set equal to lat1 for 1SP variant.

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

AlbersEqualArea

Albers Equal Area Conic.

Fields

§lon0: f64

Central meridian (degrees).

§lat0: f64

Latitude of origin (degrees).

§lat1: f64

First standard parallel (degrees).

§lat2: f64

Second standard parallel (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

Mercator

Standard Mercator (ellipsoidal, distinct from Web Mercator).

Fields

§lon0: f64

Central meridian (degrees).

§lat_ts: f64

Latitude of true scale (degrees). 0 for 1SP variant.

§k0: f64

Scale factor (for 1SP when lat_ts = 0).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

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EquidistantCylindrical

Equidistant Cylindrical / Plate Carrée.

Fields

§lon0: f64

Central meridian (degrees).

§lat_ts: f64

Latitude of true scale (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

Trait Implementations§

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impl Clone for ProjectionMethod

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fn clone(&self) -> ProjectionMethod

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

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impl Debug for ProjectionMethod

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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 Copy for ProjectionMethod

Auto Trait Implementations§

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impl UnwindSafe for ProjectionMethod

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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