com.codename1.maps

Class Projection

java.lang.Object

com.codename1.maps.Projection

Direct Known Subclasses:

Mercator

public abstract class Projection
extends Object

This class represents a projection type. a Projection has the ability to translate a WGS84 Coordinate to a projected Coordinate.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Projection(BoundingBox extent) Creates a projection to the given bounding box

Method Summary

Modifier and Type	Method and Description
BoundingBox	extent() Gets the projection bounding box
BoundingBox	fromWGS84(BoundingBox bbox) Converts a WGS84 bounding box to the projection system bounding box
abstract Coord	fromWGS84(Coord wgs84) Converts a given WGS84 coordinate to a projection coordinate
Coord[]	fromWGS84(Coord[] coords) a utility method that converts an array of WGS84 coordinate to the projection coordinates system.
BoundingBox	toWGS84(BoundingBox bbox) Converts a projected bounding box to a WGS84 bounding box
abstract Coord	toWGS84(Coord projection) Converts a projected coordinate to a WGS84 coordinate

Methods inherited from class java.lang.Object

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

Constructor Detail

Projection

protected Projection(BoundingBox extent)

Creates a projection to the given bounding box

Parameters:

extent - the bounding box of this projection

Method Detail

extent

public BoundingBox extent()

Gets the projection bounding box

Returns:

bounding box

fromWGS84

public abstract Coord fromWGS84(Coord wgs84)

Converts a given WGS84 coordinate to a projection coordinate

Parameters:

wgs84 -

Returns:

toWGS84

public abstract Coord toWGS84(Coord projection)

Converts a projected coordinate to a WGS84 coordinate

Parameters:

projection -

Returns:

fromWGS84

public final Coord[] fromWGS84(Coord[] coords)

a utility method that converts an array of WGS84 coordinate to the projection coordinates system.

Parameters:

coords - an array to converts

Returns:

a converted array

fromWGS84

public final BoundingBox fromWGS84(BoundingBox bbox)

Converts a WGS84 bounding box to the projection system bounding box

Parameters:

bbox - bounding box too convert

Returns:

a converted bounding box

toWGS84

public final BoundingBox toWGS84(BoundingBox bbox)

Converts a projected bounding box to a WGS84 bounding box

Parameters:

bbox - bounding box too convert

Returns:

a converted bounding box