org.mapsforge.map.util

Class MapViewProjection

java.lang.Object

org.mapsforge.map.util.MapViewProjection

public class MapViewProjection
extends Object

Constructor Summary

Constructors

Constructor and Description
MapViewProjection(MapView mapView)

Method Summary

Methods

Modifier and Type	Method and Description
LatLong	fromPixels(double x, double y) Computes the geographic coordinates of a screen point.
double	getLatitudeSpan() Computes vertical extend of the map view.
double	getLongitudeSpan() Computes horizontal extend of the map view.
Point	toPixels(LatLong in) Converts geographic coordinates to view x/y coordinates in the map view.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapViewProjection

public MapViewProjection(MapView mapView)

Method Detail

fromPixels

public LatLong fromPixels(double x,
                 double y)

Computes the geographic coordinates of a screen point.

Returns:

the coordinates of the x/y point

getLatitudeSpan

public double getLatitudeSpan()

Computes vertical extend of the map view.

Returns:

the latitude span of the map in degrees

getLongitudeSpan

public double getLongitudeSpan()

Computes horizontal extend of the map view.

Returns:

the longitude span of the map in degrees

toPixels

public Point toPixels(LatLong in)

Converts geographic coordinates to view x/y coordinates in the map view.

Parameters:

in - the geographic coordinates

Returns:

x/y view coordinates for the given location