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ProjectionMethod

proj_core::crs

Enum ProjectionMethod 

Source 
pub enum ProjectionMethod {

Show 23 variants    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,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    LambertConformalConicMichigan {
        lon0: f64,
        lat0: f64,
        lat1: f64,
        lat2: f64,
        ellipsoid_scaling_factor: f64,
        false_easting: f64,
        false_northing: f64,
    },
    LambertConformalConic1SPVariantB {
        lon0: f64,
        lat0: f64,
        k0: f64,
        lat_false_origin: f64,
        false_easting: f64,
        false_northing: f64,
    },
    AlbersEqualArea {
        lon0: f64,
        lat0: f64,
        lat1: f64,
        lat2: f64,
        false_easting: f64,
        false_northing: f64,
    },
    LambertAzimuthalEqualArea {
        lon0: f64,
        lat0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    LambertAzimuthalEqualAreaSpherical {
        lon0: f64,
        lat0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    ObliqueStereographic {
        lon0: f64,
        lat0: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    HotineObliqueMercator {
        latc: f64,
        lonc: f64,
        azimuth: f64,
        rectified_grid_angle: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
        variant_b: bool,
    },
    CassiniSoldner {
        lon0: f64,
        lat0: 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,
    },
    ColombiaUrban {
        lon0: f64,
        lat0: f64,
        h0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    KrovakNorthOrientated {
        lon0: f64,
        lat0: f64,
        co_latitude_cone_axis: f64,
        lat_pseudo_standard_parallel: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    KrovakModifiedNorthOrientated {
        lon0: f64,
        lat0: f64,
        co_latitude_cone_axis: f64,
        lat_pseudo_standard_parallel: f64,
        k0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    EqualEarth {
        lon0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    AmericanPolyconic {
        lon0: f64,
        lat0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    AzimuthalEquidistant {
        lon0: f64,
        lat0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    GuamProjection {
        lon0: f64,
        lat0: f64,
        false_easting: f64,
        false_northing: f64,
    },
    PolarStereographicVariantC {
        lon0: f64,
        lat_ts: f64,
        easting_false_origin: f64,
        northing_false_origin: f64,
    },
    LabordeObliqueMercator {
        lon0: f64,
        lat0: f64,
        azimuth: f64,
        k0: 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.

§k0: f64

Scale factor at the natural origin (1SP variant); 1.0 for 2SP.

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

LambertConformalConicMichigan

Lambert Conic Conformal (2SP Michigan), EPSG method 1051: LCC 2SP with an ellipsoid scaling factor applied to the semi-major axis.

Fields

§lon0: f64

Central meridian (degrees).

§lat0: f64

Latitude of false origin (degrees).

§lat1: f64

First standard parallel (degrees).

§lat2: f64

Second standard parallel (degrees).

§ellipsoid_scaling_factor: f64

Ellipsoid scaling factor (EPSG parameter 1038).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

LambertConformalConic1SPVariantB

Lambert Conic Conformal (1SP variant B), EPSG method 1102: the cone is defined at the natural origin with a scale factor, while false easting/northing apply at a separate false origin.

Fields

§lon0: f64

Longitude of false origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§k0: f64

Scale factor at the natural origin.

§lat_false_origin: f64

Latitude of false origin (degrees).

§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).

§

LambertAzimuthalEqualArea

Lambert Azimuthal Equal Area.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

LambertAzimuthalEqualAreaSpherical

Lambert Azimuthal Equal Area (spherical).

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

ObliqueStereographic

EPSG Oblique Stereographic (Roussilhe / double stereographic).

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§k0: f64

Scale factor at natural origin.

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

HotineObliqueMercator

Hotine Oblique Mercator / Rectified Skew Orthomorphic.

Fields

§latc: f64

Latitude of projection centre (degrees).

§lonc: f64

Longitude of projection centre (degrees).

§azimuth: f64

Azimuth of central line at projection centre (degrees clockwise from north).

§rectified_grid_angle: f64

Angle from rectified to skew grid (degrees).

§k0: f64

Scale factor at projection centre.

§false_easting: f64

False easting or easting at projection centre (meters).

§false_northing: f64

False northing or northing at projection centre (meters).

§variant_b: bool

EPSG variant B offsets the natural origin to the projection centre.

§

CassiniSoldner

Cassini-Soldner.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (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).

§

ColombiaUrban

Colombia Urban (EPSG method 1052): plane projection at the elevation of the mapped city. h0 is the projection plane origin height in meters.

Fields

§lon0: f64
§lat0: f64
§h0: f64
§false_easting: f64
§false_northing: f64
§

KrovakNorthOrientated

Krovak (North Orientated), EPSG method 1041: oblique conformal conic with east/north axis orientation, so Czech and Slovak coordinates are negative. Longitudes are referenced to the base CRS’s prime meridian.

Fields

§lon0: f64

Longitude of origin (degrees).

§lat0: f64

Latitude of projection centre (degrees).

§co_latitude_cone_axis: f64

Co-latitude of cone axis (degrees).

§lat_pseudo_standard_parallel: f64

Latitude of pseudo standard parallel (degrees).

§k0: f64

Scale factor on pseudo standard parallel.

§false_easting: f64

False easting (meters), applied on the native westing axis.

§false_northing: f64

False northing (meters), applied on the native southing axis.

§

KrovakModifiedNorthOrientated

Krovak Modified (North Orientated), EPSG method 1043: Krovak plus the S-JTSK/05 polynomial distortion correction whose coefficients are defining constants of the EPSG method.

Fields

§lon0: f64

Longitude of origin (degrees).

§lat0: f64

Latitude of projection centre (degrees).

§co_latitude_cone_axis: f64

Co-latitude of cone axis (degrees).

§lat_pseudo_standard_parallel: f64

Latitude of pseudo standard parallel (degrees).

§k0: f64

Scale factor on pseudo standard parallel.

§false_easting: f64

False easting (meters), applied on the native westing axis.

§false_northing: f64

False northing (meters), applied on the native southing axis.

§

EqualEarth

Equal Earth (EPSG method 1078): pseudocylindrical equal-area world projection through the authalic latitude.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

AmericanPolyconic

American Polyconic (EPSG method 9818): each parallel projected as the arc of a tangent cone.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

AzimuthalEquidistant

Azimuthal Equidistant (EPSG methods 1125 and 9832): true distance and azimuth from the projection centre.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

GuamProjection

Guam Projection (EPSG method 9831): the simplified azimuthal equidistant used by the Guam and Yap island grids.

Fields

§lon0: f64

Longitude of natural origin (degrees).

§lat0: f64

Latitude of natural origin (degrees).

§false_easting: f64

False easting (meters).

§false_northing: f64

False northing (meters).

§

PolarStereographicVariantC

Polar Stereographic variant C (EPSG method 9830): defined by a standard parallel, with the false origin on that parallel instead of at the pole (Terre Adelie grids).

Fields

§lon0: f64

Longitude of origin (degrees).

§lat_ts: f64

Latitude of standard parallel (degrees).

§easting_false_origin: f64

Easting at false origin (meters).

§northing_false_origin: f64

Northing at false origin (meters).

§

LabordeObliqueMercator

Laborde Oblique Mercator (EPSG method 9813): the Madagascar grid’s conformal-sphere oblique construction.

Fields

§lon0: f64

Longitude of projection centre (degrees).

§lat0: f64

Latitude of projection centre (degrees).

§azimuth: f64

Azimuth at projection centre (degrees).

§k0: f64

Scale factor at projection centre.

§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 (const: unstable) · Source§

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

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

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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 PartialEq for ProjectionMethod

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for ProjectionMethod

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