LatLon

Description

struct Tinman.Terrain.Georef.LatLon

A set of longitude/latitude coordinates, measured in degrees, with 64-bit floating-point precision.

A set of longitude/latitude values represent a location on a planetary body, for example on earth:

+---------------------------------------------------------------------------------+  90°N
|                     @@ @@@@@@@@     @@@           @                             | +90°
|             @           @@@@@@              @     @@@@                          |
|    @@@@  @  @@@ @   @    @@@@@        @      @ @@@@@@@@@@@@@@@@@  @             |
|  @@@@@@@@@@@@@@@   @@@  @@           @ @@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@         |
| @@@@@@@@@@@@@@@   @     @          @  @@@@@@@@@@@@@@@@@@@@@@@@@@@@  @@          |
|      @@@@@@@@@   @@@                @  @@@@@@@@@@@@@@@@@@@@@@@@@                |
|      @@@@@@@@@@@@@@@             @  @@ @@@@@@@@@@@ @@@@@@@@@@@@@    @           |
|      @@@@@@@@@@@@@@@              @@@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@              |
|      @@@@@@@  @@@@@              @@@ @@@@@ @@ @@@@@@@@@@@@@@@ @@@@              |
|     @@@@@@@@@@@@@              @@   @  @   @@ @@@@@@@@@@@@@@@@@@@  @            |
|     @@@@@@@@@@@                @@    @@ @@@@@  @@@@@@@@@@@@@@@                  |
|     @@@@@@@@@@@                  @@@      @@@@@@@@@@ @@@@@@@@@@  @ @            |
|     @@@@@@@@@                  @@@@@@     @@@@@@@@@@@@@@@@@@@@@@                |
|      @@@@                      @@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@                |
|       @@@                     @@@@@@@@@@@@ @@@@   @@@@@@ @ @@@@@                |    L
|       @@     @               @@@@@@@@@ @@@@ @@@@@  @@@@@ @@@@@                  |    a
|        @@@@  @               @@@@@@@@ @@@@@ @@@@    @@@   @ @                   |    t
|          @@@                 @@@@@@@@@@@@@@  @       @     @ @                  |    i
|               @@              @@@@@@@@@@@@@@  @      @      @@                  + 0° t
|              @@@@@            @@  @@ @@@@@@@@@        @    @      @ @         @ |    u
|              @@@@@@@                @@@@@@@@@@                 @                |    d
|             @@@@@@@@                @@@@@@@@@              @  @@                |    e
|             @@@@@@@@@@@             @@@@@@@@                @  @   @@@@         |
|             @@@@@@@@@@@@             @@@@@@@                 @        @@        |
|              @@@@@@@@@@@             @@@@@@@                            @       |
|               @@@@@@@@@              @@@@@@@                       @@ @         |
|                @@@@@@@@               @  @@  @                   @@@@@@         |
|                @@@ @@@@              @@@@@   @                  @@@@@@@@        |
|                @@@ @@                @ @@@                     @@@@@@@@@        |
|                @@@@@@                  @@@                    @@@@@@@@@@        |
|                 @@@@                  @@@                      @@@ @@@@@        |
|                 @@@                                                 @@@     @   |
|                 @@                                                          @   |
|                 @@                                                  @           |
|                 @@                                                       @      |
|                  @                                                              |
|                   @                                                             |  90°S
+-----------------------------------------+---------------------------------------+ -90°
180°W                                    0°                                  180°E
-180°                                 Longitude                              +180°

The mapping from longitude/latitude coordinates to cubemap coordinates (see Cubemap class) is defined as follows:

Cubemap | Face center lies at:
 face   | Longitude | Latitude
--------+-----------+---------
   X-   |     90°W  |   0°N
        |    -90°   |   0°
--------+-----------+---------
   X+   |     90°E  |   0°N
        |    +90°   |   0°
--------+-----------+---------
   Y-   |      0°E  |  90°N
        |      0°   | +90°
--------+-----------+---------
   Y+   |      0°E  |  90°S
        |      0°   | -90°
--------+-----------+---------
   Z-   |      0°E  |   0°N
        |      0°   |   0°
--------+-----------+---------
   Z+   |    180°W  |   0°N
        |   -180°   |   0°

Public / Constants

East

public static readonly attribute East → (LatLon)

0°N 180°E

North

public static readonly attribute North → (LatLon)

90°N 0°E

NorthEast

public static readonly attribute NorthEast → (LatLon)

90°N 180°E

NorthWest

public static readonly attribute NorthWest → (LatLon)

90°N 180°W

OneDegree

public constant OneDegree → (1:float64)

One degree longitude/latitude.

OneMillisecond

public constant OneMillisecond → (1 / 3600000:float64)

One thousandth of a second longitude/latitude.

OneMinute

public constant OneMinute → (1 / 60:float64)

One minute longitude/latitude.

OneSecond

public constant OneSecond → (1 / 3600:float64)

One second longitude/latitude.

South

public static readonly attribute South → (LatLon)

90°S 0°E

SouthEast

public static readonly attribute SouthEast → (LatLon)

90°S 180°E

SouthWest

public static readonly attribute SouthWest → (LatLon)

90°S 180°W

Undefined

public static readonly attribute Undefined → (LatLon)

Undefined location.

See also: LatLon.IsUndefined

West

public static readonly attribute West → (LatLon)

0°N 180°W

Zero

public static readonly attribute Zero → (LatLon)

0°N 0°E

Public / Constructors

ForCubemapFace

[Pure]
public static method ForCubemapFace → (1)

face ⁱⁿ : CubemapFace: The cubemap face (see Cubemap).
returns → LatLon: The resulting value.

Returns the LatLon value that represents the center of the given cubemap face.

FromCube

_4 overloads

[Pure]
public static method FromCube¹ → (2)

cube ⁱⁿ : Vec3I: The cubemap coordinates.
n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → LatLon: The longitude/latitude coordinates.

Converts the given cubemap coordinates to longitude/latitude coordinates.

[Pure]
public static method FromCube² → (4)

x ⁱⁿ : int32: The cubemap X-coordinate.
y ⁱⁿ : int32: The cubemap X-coordinate.
z ⁱⁿ : int32: The cubemap X-coordinate.
n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → LatLon: The longitude/latitude coordinates.

Converts the given cubemap coordinates to longitude/latitude coordinates.

[Pure]
public static method FromCube³ → (2)

cube ⁱⁿ : Vec3D: The cubemap coordinates.
n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → LatLon: The longitude/latitude coordinates.

Converts the given cubemap coordinates to longitude/latitude coordinates.

[Pure]
public static method FromCube⁴ → (4)

x ⁱⁿ : float64: The cubemap X-coordinate.
y ⁱⁿ : float64: The cubemap Y-coordinate.
z ⁱⁿ : float64: The cubemap Z-coordinate.
n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → LatLon: The longitude/latitude coordinates.

Converts the given cubemap coordinates to longitude/latitude coordinates.

FromDegrees

[Pure]
public static method FromDegrees → (1)

v ⁱⁿ : Vec2D: The longitude (see Vec2D.X) and latitude (see Vec2D.Y) angles, in degrees.
returns → LatLon: The LatLon value.

Creates a new instance of LatLon from the given angles.

See also: LatLon.ToDegrees

FromProjection

[Pure]
public static method FromProjection → (2)

projectRectToCube ⁱⁿ : IMapProjection: [not-null]
The map projection to use. Must project from MapType.Rect ( IMapProjection.Source) to MapType.Cube ( IMapProjection.Target).
v ⁱⁿ : Vec2D: The map coordinates in the source raster (see IMapProjection.Source) of projectRectToCube ⁱⁿ.
returns → LatLon: The LatLon value.

Computes a LatLon value by projecting the given rectangular map coordinates to cubemap coordinates.

FromRadians

_2 overloads

[Pure]
public static method FromRadians¹ → (1)

v ⁱⁿ : Vec2D: The longitude (see Vec2D.X) and latitude (see Vec2D.Y) angles, in radians.
returns → LatLon: The LatLon value.

Creates a new instance of LatLon from the given angles.

See also: LatLon.ToRadians

[Pure]
public static method FromRadians² → (2)

latitude ⁱⁿ : float64: The latitude angle, in radians.
longitude ⁱⁿ : float64: The longitude angle, in radians.
returns → LatLon: The LatLon value.

Creates a new instance of LatLon from the given angles.

See also: LatLon.ToRadians

FromString

_2 overloads

[Pure]
public static method FromString¹ → (1)

str ⁱⁿ : string: The string representation.
returns → LatLon: The LatLon value.

Creates a LatLon value from the given string representation.

ValidatingException: If the given input string is invalid.

[Pure]
public static method FromString² → (2)

str ⁱⁿ : string: The string representation.
defaultValue ⁱⁿ : LatLon: The value to return if str ⁱⁿ is invalid.
returns → LatLon: The LatLon value.

Creates a LatLon value from the given string representation.

FromStringTry

[Pure]
public static method FromStringTry → (2)

str ⁱⁿ : string: The string representation.
latLon ^out : LatLon: The output LatLon value.
returns → bool: true if a LatLon value has been parsed and stored into latLon ^out, false if the input string is invalid ( latLon ^out will be set to Undefined in this case).

Creates a LatLon value from the given string representation.

LatLon

_2 overloads

public constructor LatLon¹ → (2)

latitude ⁱⁿ : float64: The latitude in the range [-90..90].
longitude ⁱⁿ : float64: The longitude in the range [-180..180].

Creates a new instance of LatLon.

public constructor LatLon² → (6)

latDeg ⁱⁿ : float64: The latitude degrees.
latMin ⁱⁿ : float64: The latitude minutes.
latSec ⁱⁿ : float64: The latitude seconds.
lonDeg ⁱⁿ : float64: The longitude degrees.
lonMin ⁱⁿ : float64: The longitude minutes.
lonSec ⁱⁿ : float64: The longitude seconds.

Creates a new instance of LatLon.

Public / Methods

Add

_2 overloads

[Pure]
public method Add¹ → (2)

latitude ⁱⁿ : float64: The value to add to the latitude of this value.
longitude ⁱⁿ : float64: The value to add to the longitude of this value.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Adds the given longitude/latitude values to this LatLon value.

[Pure]
public method Add² → (1)

value ⁱⁿ : LatLon: The longitude/latitude values to add to this value.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Adds the given longitude/latitude values to this LatLon value.

ClampLatitude

_2 overloads

[Pure]
public method ClampLatitude¹ → (1)

v ⁱⁿ : float64: The latitude range: [-v ⁱⁿ..v ⁱⁿ].
returns → LatLon: The clamped value.

Clamps the latitude to the given range.

[Pure]
public method ClampLatitude² → (2)

a ⁱⁿ : float64: First range bound.
b ⁱⁿ : float64: Second range bound.
returns → LatLon: The clamped value.

Clamps the latitude to the given range: [a ⁱⁿ..b ⁱⁿ] resp. [b ⁱⁿ..a ⁱⁿ].

Div

[Pure]
public method Div → (1)

value ⁱⁿ : float64: The scalar value to divide by.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Divides the longitude and latitude values of this LatLon value by the given scalar.

FromDegreeMinuteSecond

[Pure]
public static method FromDegreeMinuteSecond → (3)

degrees ⁱⁿ : float64: The degrees part.
minutes ^opt : float64 = 0: The minutes part (1/60th degree).
seconds ^opt : float64 = 0: The seconds part (1/60th minute).
returns → float64: The angle in degrees.

Computes an angle in degrees from the given DMS tuple.

FromSexagesimal

[Pure]
public static method FromSexagesimal → (1)

value ⁱⁿ : float64: The sexagesimal DMS value.
returns → float64: The value in decimal degrees.

Converts the given angle in sexagesimal DMS (degree-minute-second) notation into a value in decimal degrees.

Sexagesimal DMS is a pseudo unit (EPSG 9110) and is specified as a decimal pseudo number, where the decimal digits must be interpreted in a special way:

123.456789...
      \_____/  seconds (1/60th minute)
    \/         minutes (1/60th degree)
\_/            degrees

See also: LatLon.ToSexagesimal

IsUndefinedCoordinate

[Pure]
public static method IsUndefinedCoordinate → (1)

coordinate ⁱⁿ : float64: The coordinate value.
returns → bool: true if coordinate ⁱⁿ is undefined, false if it is valid.

Is the given geographic coordinate undefined?

See also: LatLon.Undefined
LatLon.IsUndefined

Mul

[Pure]
public method Mul → (1)

value ⁱⁿ : float64: The scalar multiplication factor.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Multiplies the longitude/latitude values of this LatLon value by the given scalar factor.

Neg

[Pure]
public method Neg → ()

returns → LatLon: The resulting LatLon value.

Negates the longitude and latitude values of this LatLon value.

NiceStepFind

[Pure]
public static method NiceStepFind → (2)

angle ⁱⁿ : float64: The angle value, in degrees.
divisible ^opt : bool = false: Return nice-looking values that are also nicely divisible (see remarks)?
returns → int32: Index of nice-looking value that is nearest to angle ⁱⁿ.

Returns a nice-looking angle value that is similar to the given angle ⁱⁿ value.

A nice-looking angle value sums up without creating big fractions, i.e. degrees are always a divisor of 360, minutes and seconds are always a divisor of 60 and milliseconds are always a divisor of 1000:

Milliseconds:
[0..3] : 0°00'00.001'', 0°00'00.002'', 0°00'00.004'', 0°00'00.005'',
[4..7] : 0°00'00.008'', 0°00'00.010'', 0°00'00.020'', 0°00'00.025'',
[8..11] : 0°00'00.040'', 0°00'00.050'', 0°00'00.100'', 0°00'00.125'',
[12..14] : 0°00'00.200'', 0°00'00.250'', 0°00'00.500''
Seconds:
[15..18] : 0°00'01'', 0°00'02'', 0°00'03'', 0°00'04'',
[19..22] : 0°00'05'', 0°00'06'', 0°00'10'', 0°00'12'',
[23..25] : 0°00'15'', 0°00'20'', 0°00'30''
Minutes:
[26..29] : 0°01', 0°02', 0°03', 0°04',
[30..33] : 0°05', 0°06', 0°10', 0°12',
[34..36] : 0°15', 0°20', 0°30'
Degrees:
[37..44] : 1°, 2°, 3°, 4°, 5°, 6°, 8°, 9°,
[45..51] : 10°, 12°, 15°, 18°, 20°, 24°, 30°,
[52..57] : 36°, 40°, 45°, 60°, 72°, 90°,
[58..60] : 120°, 180°, 360°

By setting the divisible ^opt parameter to true, the list of nice-looking angle values is reduced to this:

Milliseconds:
0°00'00.001'', 0°00'00.005'', 0°00'00.025'', 0°00'00.050'', 0°00'00.250'', 0°00'00.500''
Seconds:
0°00'01'', 0°00'05'', 0°00'15'', 0°00'30''
Minutes:
0°01', 0°05', 0°15', 0°30'
Degrees:
1°, 5°, 15°, 30°, 60°, 120°, 360°

See also: LatLon.NiceStepGet

NiceStepGet

[Pure]
public static method NiceStepGet → (1)

index ⁱⁿ : int32: [0..60]
Index of nice-looking value to get (see remarks).
returns → float64: The nice-looking angle value, in degrees.

Returns a nice-looking angle step value.

Milliseconds:
0°00'00.001'', 0°00'00.002'', 0°00'00.004'', 0°00'00.005'',
0°00'00.008'', 0°00'00.010'', 0°00'00.020'', 0°00'00.025'',
0°00'00.040'', 0°00'00.050'', 0°00'00.100'', 0°00'00.125'',
0°00'00.200'', 0°00'00.250'', 0°00'00.500''
Seconds:
0°00'01'', 0°00'02'', 0°00'03'', 0°00'04'',
0°00'05'', 0°00'06'', 0°00'10'', 0°00'12'',
0°00'15'', 0°00'20'', 0°00'30''
Minutes:
0°01', 0°02', 0°03', 0°04',
0°05', 0°06', 0°10', 0°12',
0°15', 0°20', 0°30'
Degrees:
1°, 2°, 3°, 4°, 5°, 6°, 8°, 9°,
10°, 12°, 15°, 18°, 20°, 24°, 30°,
36°, 40°, 45°, 60°, 72°, 90°,
120°, 180°, 360°

See also: LatLon.NiceStepFind

NiceStepRound

[Pure]
public static method NiceStepRound → (2)

step ⁱⁿ : int32: [0..60]
Index of nice-looking step value.
degrees ⁱⁿ : float64: The latitude resp. longitude angle, in degrees.
returns → float64: The rounded latitude/longitude tuple.

Rounds the given latitude resp. longitude angle to the given nice-looking step value.

See also: LatLon.NiceStepFind
LatLon.NiceStepGet

[Pure]
public method NiceStepRound → (1)

step ⁱⁿ : int32: [0..60]
Index of nice-looking step value.
returns → LatLon: The rounded latitude/longitude tuple.

Rounds this latitude/longitude tuple to the given nice-looking step value.

See also: LatLon.NiceStepFind
LatLon.NiceStepGet

Normalize

[Pure]
public method Normalize → ()

returns → LatLon: The normalized value pair.

Normalizes this pair of latitude/longitude values so that the longitude value lies in the range [-180..180] and the latitude lies within [-90..90].

Longitude values are wrapped at the normalization range boundaries; latitude values are clamped to the range boundaries.

See also: LatLon.NormalizeLatitude
LatLon.NormalizeLongitude180
LatLon.IsNormalized

NormalizeLatitude

[Pure]
public static method NormalizeLatitude → (1)

latitude ⁱⁿ : float64: The input latitude angle, in degrees.
returns → float64: The normalized latitude angle.

Normalizes the given latitude angle.

See also: LatLon.Normalize

NormalizeLongitude180

[Pure]
public static method NormalizeLongitude180 → (2)

longitude ⁱⁿ : float64: The input longitude angle, in degrees.
unique ^opt : bool = true: Return -180 instead of 180?
returns → float64: The normalized longitude angle.

Normalizes the given longitude angle.

See also: LatLon.Normalize

NormalizeLongitude360

[Pure]
public static method NormalizeLongitude360 → (2)

longitude ⁱⁿ : float64: The input longitude angle, in degrees.
unique ^opt : bool = true: Return 0 instead of 360?
returns → float64: The normalized longitude angle.

Normalizes the given longitude angle.

See also: LatLon.Normalize

NormalizeLongitudePi

[Pure]
public static method NormalizeLongitudePi → (2)

longitude ⁱⁿ : float64: The input longitude angle, in radians.
unique ^opt : bool = true: Return -pi instead of pi?
returns → float64: [-pi..pi] The normalized longitude angle.

Normalizes the given longitude angle.

See also: LatLon.Normalize

NormalizeLongitudePiTwo

[Pure]
public static method NormalizeLongitudePiTwo → (2)

longitude ⁱⁿ : float64: The input longitude angle, in radians.
unique ^opt : bool = true: Return 0 instead of pi*2?
returns → float64: [0..pi*2] The normalized longitude angle.

Normalizes the given longitude angle.

See also: LatLon.Normalize

Sub

_2 overloads

[Pure]
public method Sub¹ → (2)

latitude ⁱⁿ : float64: The value to subtract from the latitude of this value, in degrees.
longitude ⁱⁿ : float64: The value to subtract from the longitude of this value, in degrees.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Subtracts the given longitude/latitude values from this LatLon value.

[Pure]
public method Sub² → (1)

value ⁱⁿ : LatLon: The longitude/latitude values to subtract from this value.
returns → LatLon: The resulting LatLon value (Normalize) should be called on the returned value in order to avoid range overflows).

Subtracts the given longitude/latitude values from this LatLon value.

ToCubeD

[Pure]
public method ToCubeD → (1)

n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → Vec3D: The cubemap coordinates.

Converts this set of longitude/latitude coordinates to cubemap coordinates.

ToCubeI

[Pure]
public method ToCubeI → (1)

n ^opt : int32 = HeightmapsUtil.MaxCoord: [pow2]
Size of cubemap.
returns → Vec3I: The cubemap coordinates.

Converts this set of longitude/latitude coordinates to cubemap coordinates.

ToDegrees

[Pure]
public method ToDegrees → ()

returns → Vec2D: The resulting vector holding the longitude (see Vec2D.X) and latitude (see Vec2D.Y) angles, in degrees.

Converts this LatLon value to a vector of longitude/latitude in degrees.

ToProjection

[Pure]
public method ToProjection → (1)

projectCubeToRect ⁱⁿ : IMapProjection: [not-null]
The map projection to use. Must project from MapType.Cube ( IMapProjection.Source) to MapType.Rect ( IMapProjection.Target).
returns → Vec2D: The map coordinates in the target raster (see IMapProjection.Target) of projectCubeToRect ⁱⁿ.

Projects this LatLon value onto a rectangular map.

ToRadians

[Pure]
public method ToRadians → ()

returns → Vec2D: The resulting vector holding the longitude (see Vec2D.X) and latitude (see Vec2D.Y) angles, in radians.

Converts this LatLon value to a vector of longitude/latitude in radians.

ToSexagesimal

[Pure]
public static method ToSexagesimal → (1)

value ⁱⁿ : float64: The value in decimal degrees.
returns → float64: The sexagesimal DMS value.

Converts the given angle in decimal degrees into a value in sexagesimal DMS (degree-minute-second) notation.

Sexagesimal DMS is a pseudo unit (EPSG 9110) and is specified as a decimal pseudo number, where the decimal digits must be interpreted in a special way:

123.456789...
      \_____/  seconds (1/60th minute)
    \/         minutes (1/60th degree)
\_/            degrees

See also: LatLon.FromSexagesimal

ToString

[Pure]
public static method ToString → (3)

angle ⁱⁿ : float64: The angle value to format, in degrees.
latOrLon ⁱⁿ : bool: true if angle ⁱⁿ is a latitude angle, false if it is a longitude angle.
format ^opt : LatLonFormat = LatLonFormat.Default: The formatting options.
returns → string: The string representation.

Returns the string representation of the given latitude/longitude angle.

The string representation has the following form:

a°b'c".dX

where…
… a, b, c and d are the latitude degrees, minutes, seconds and milliseconds, X is either N (positive latitude), S (negative latitude), E (positive longitude) or W (negative longitude).

[Pure]
public method ToString² → (1)

format ⁱⁿ : LatLonFormat: The formatting options.
returns → string: The string representation.

Returns the string representation of this set of latitude/longitude coordinates.

The string representation has the following form:

a°b'c".dX e°f'g".hY

where…
… a, b, c and d are the latitude degrees, minutes, seconds and milliseconds, X is either N (positive latitude) or S (negative latitude).
… e, f, g and h are the longitude degrees, minutes, seconds and milliseconds, Y is either E (positive longitude) or W (negative longitude).

The parts for minutes, seconds and milliseconds are omitted if their value is zero:

12°34'56.789"N 123°45'57.891"E
12°34'56"N 123°45'57"E
12°34'N 123°45'E
12°N 123°E

Public / Attributes

IsNormalized

public attribute IsNormalized → (get)

value : bool: true if the coordinates are normalized, false if not.

Are these geographic coordinates normalized?

Normalized latitude angles are in the range [-90..90], normalized longitude angles are in the range [-180..180].

See also: LatLon.Normalize

IsUndefined

public attribute IsUndefined → (get)

value : bool: true if the coordinates are undefined, false if not.

Is this coordinate set undefined?

See also: LatLon.Undefined
LatLon.IsUndefinedCoordinate

Latitude

public readonly attribute Latitude → (float64)

The latitude in the range [-90..90].

LatitudeRadians

public attribute LatitudeRadians → (get)

value : float64: The latitude angle, in radians.

The latitude in the range [-pi/2..pi/2].

Longitude

public readonly attribute Longitude → (float64)

The longitude in the range [-180..180].

LongitudeRadians

public attribute LongitudeRadians → (get)

value : float64: The longitude angle, in radians.

The longitude in the range [-pi..pi].

Extensions

ToCoords

public static method ToCoords → (2)

elevation ⁱⁿ : float64: The terrain-space elevation.
geometry ⁱⁿ : IGeometry: [not-null]
The geometry object.
returns → Vec3D: The geocentric coordinates.

Translates these longitude/latitude coordinates into geocentric coordinates.

Serialization

Serializer

public static readonly attribute Serializer → (ITypeSerializer<LatLon>)

The serialization helper object for values of LatLon.

LatLon

Description

Public / Constants

East

North

North​East

North​West

One​Degree

One​Millisecond

One​Minute

One​Second

South

South​East

South​West

Undefined

West

Zero

Public / Constructors

For​Cubemap​Face

From​Cube

From​Degrees

From​Projection

From​Radians

From​String

From​String​Try

Lat​Lon

Public / Methods

Add

Clamp​Latitude

Div

From​Degree​Minute​Second

From​Sexagesimal

Is​Undefined​Coordinate

Mul

Neg

Nice​Step​Find

Nice​Step​Get

Nice​Step​Round

Normalize

Normalize​Latitude

Normalize​Longitude180

Normalize​Longitude360

Normalize​Longitude​Pi

Normalize​Longitude​Pi​Two

Sub

To​Cube​D

To​Cube​I

To​Degrees

To​Projection

To​Radians

To​Sexagesimal

To​String

Public / Attributes

Is​Normalized

Is​Undefined

Latitude

Latitude​Radians

Longitude

Longitude​Radians

Extensions

To​Coords

Serialization

Serializer

NorthEast

NorthWest

OneDegree

OneMillisecond

OneMinute

OneSecond

SouthEast

SouthWest

ForCubemapFace

FromCube

FromDegrees

FromProjection

FromRadians

FromString

FromStringTry

LatLon

ClampLatitude

FromDegreeMinuteSecond

FromSexagesimal

IsUndefinedCoordinate

NiceStepFind

NiceStepGet

NiceStepRound

NormalizeLatitude

NormalizeLongitude180

NormalizeLongitude360

NormalizeLongitudePi

NormalizeLongitudePiTwo

ToCubeD

ToCubeI

ToDegrees

ToProjection

ToRadians

ToSexagesimal

ToString

IsNormalized

IsUndefined

LatitudeRadians

LongitudeRadians

ToCoords