new Cartesian(x, y, z)
Creates cartesian coordinate representing ECEF (earth-centric earth-fixed) point.
Parameters:
| Name | Type | Description |
|---|---|---|
x |
number | x coordinate in metres. |
y |
number | y coordinate in metres. |
z |
number | z coordinate in metres. |
- Source:
Example
var p1 = new Cartesian(3980581.210, -111.159, 4966824.522);Methods
applyTransform(t)
Applies Helmert (seven-parameter) transformation to ‘this’ coordinate using transform parameters t.
Parameters:
| Name | Type | Description |
|---|---|---|
t |
LatLon.datum.transform | Transformation to apply to this coordinate. |
- Source:
toLatLon(datumopt)
Converts ‘this’ (geocentric) cartesian (x/y/z) coordinate to (ellipsoidal geodetic)
latitude/longitude point on specified datum.
Uses Bowring’s (1985) formulation for μm precision.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
datum |
LatLon.datum.transform |
<optional> |
WGS84 | Datum to use when converting point. |
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toString(dpopt) → {string}
Returns a string representation of ‘this’ cartesian point.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
dp |
number |
<optional> |
0|2|4 | Number of decimal places to use - default 0 for dms, 2 for dm, 4 for d. |
- Source:
Returns:
Comma-separated latitude/longitude.
- Type
- string