uk.co.ordnancesurvey.android.maps

Class MapProjection

java.lang.Object

uk.co.ordnancesurvey.android.maps.MapProjection

public abstract class MapProjection
extends Object

Encapsulates the conversion of Latitude/Longitude in WGS-84 to a GridPoint.

Author:

bblaukopf

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	fromGridPoint(GridPoint gp, double[] latLngOut) Converts a GridPoint to the corresponding WGS84 latitude/longitude.
static MapProjection	getDefault() Get the default Map Projection
abstract GridPoint	toGridPoint(double latitude, double longitude) Converts a WGS84 latitude/longitude to the corresponding GridPoint.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getDefault

public static MapProjection getDefault()

Get the default Map Projection

Returns:

a BasicMapProjection

toGridPoint

public abstract GridPoint toGridPoint(double latitude,
                    double longitude)

Converts a WGS84 latitude/longitude to the corresponding GridPoint. Accuracy depends on the projection used.

Parameters:

latitude -

longitude -

Returns:

newly created GridPoint

fromGridPoint

public abstract void fromGridPoint(GridPoint gp,
                 double[] latLngOut)

Converts a GridPoint to the corresponding WGS84 latitude/longitude. Results are returned in a caller-provided array. Accuracy depends on the projection used.

Parameters:

gp - The GridPoint to convert.

latLngOut - Must be an array of length >= 2.