Package com.microstrategy.web.app.maps

Class GoogleMapProjection

java.lang.Object

com.microstrategy.web.app.maps.GoogleMapProjection

All Implemented Interfaces:

MapProjection

public class GoogleMapProjection
extends java.lang.Object
implements MapProjection

Google map projection, convert from LatLng object to world coordinate and from world coordinate to PixelPoint object.

Constructor Summary

Constructors

Constructor	Description
GoogleMapProjection()
GoogleMapProjection(int tileSize)

Method Summary

Modifier and Type	Method	Description
Point	fromLatLngToPoint(LatLng latlng)	Converts the given LatLng to the world pixel coordinates, relative to the top-left of the map that provided this Projection
LatLng	fromPointToLatLng(Point point)	Converts the world coordinate point to the LatLng coordinate.
PixelPoint	fromPointToPixelPoint(Point point, int zoomLevel)	Converts the world coordinate point to the pixel point at a given zoom level.
int	getTileSize()	The pixels of the tile in one dimension.

Methods inherited from class java.lang.Object

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

Constructor Detail

GoogleMapProjection

public GoogleMapProjection(int tileSize)

GoogleMapProjection

public GoogleMapProjection()

Method Detail

getTileSize

public int getTileSize()

Description copied from interface: MapProjection

The pixels of the tile in one dimension.

Specified by:

getTileSize in interface MapProjection

Returns:

The size of a tile.

fromPointToLatLng

public LatLng fromPointToLatLng(Point point)

Description copied from interface: MapProjection

Converts the world coordinate point to the LatLng coordinate.

Specified by:

fromPointToLatLng in interface MapProjection

Parameters:

point - The world Point coordinate of the point.

Returns:

The world coordinate of the point.

fromLatLngToPoint

public Point fromLatLngToPoint(LatLng latlng)

Description copied from interface: MapProjection

Converts the given LatLng to the world pixel coordinates, relative to the top-left of the map that provided this Projection

Specified by:

fromLatLngToPoint in interface MapProjection

Parameters:

latlng - The LatLng coordinate of the point.

Returns:

The world coordinate of the point.

fromPointToPixelPoint

public PixelPoint fromPointToPixelPoint(Point point,
                                        int zoomLevel)

Description copied from interface: MapProjection

Converts the world coordinate point to the pixel point at a given zoom level. The point is relative to the top-left of the map.

Specified by:

fromPointToPixelPoint in interface MapProjection

Parameters:

point - The world coordinate point.

zoomLevel - The current zoom level.

Returns:

The pixel point of the given point.