Skip to main content

ProjectionMethod

proj_core::crs

Enum ProjectionMethod 

Source 
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§

§

WebMercator

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

§

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).

§

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).

§

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§

Source§

impl Clone for ProjectionMethod

Source§

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
Source§

impl Debug for ProjectionMethod

Source§

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

Formats the value using the given formatter. Read more
Source§

impl PartialEq for ProjectionMethod

Source§

fn eq(&self, other: &ProjectionMethod) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Source§

impl Copy for ProjectionMethod

Source§

impl StructuralPartialEq for ProjectionMethod

Auto Trait Implementations§

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

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

Source§

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
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

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
Source§

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
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
Source§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
Source§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
Source§

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

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

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

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.