Common Methods of Projections.
Static Methods
(static) project(p) [source]
Project a geographical coordinate to a projected coordinate (2d coordinate)
| Parameter | Type | Description |
|---|---|---|
p
|
Coordinate | coordinate to project |
Returns:
Coordinate:(static) unproject(p) [source]
Unproject a projected coordinate to a geographical coordinate (2d coordinate)
| Parameter | Type | Description |
|---|---|---|
p
|
Coordinate | coordinate to project |
Returns:
Coordinate:(static) projectCoords(coordinates) [source]
Project a group of geographical coordinates to projected coordinates.
| Parameter | Type | Description |
|---|---|---|
coordinates
|
Array.<Coordinate> | Array.<Array.<Coordinate>> | Array.<Array.<Array.<Coordinate>>> | coordinates to project |
Returns:
Array.<Coordinate>|Array.<Array.<Coordinate>>|Array.<Array.<Array.<Coordinate>>>:(static) unprojectCoords(projCoords) [source]
Unproject a group of projected coordinates to geographical coordinates.
| Parameter | Type | Description |
|---|---|---|
projCoords
|
Array.<Coordinate> | Array.<Array.<Coordinate>> | Array.<Array.<Array.<Coordinate>>> | projected coordinates to unproject |
Returns:
Array.<Coordinate>|Array.<Array.<Coordinate>>|Array.<Array.<Array.<Coordinate>>>:(static) isSphere() [source]
Whether the projection is spherical
Returns:
Boolean:(static) isOutSphere(pcoord) [source]
If the projected coord out of the sphere
| Parameter | Type | Description |
|---|---|---|
pcoord
|
Coordinate | projected coord |
Returns:
Boolean:(static) wrapCoord(pcoord) [source]
Wrap the projected coord in the sphere
| Parameter | Type | Description |
|---|---|---|
pcoord
|
Coordinate | projected coord |