com.eightmotions.map
Class GenericOverlay

java.lang.Object
  com.eightmotions.map.GenericOverlay

All Implemented Interfaces:

MapOverlay

public class GenericOverlay
extends java.lang.Object
implements MapOverlay

This is a "generif overlay", that could be easily used with GoogleEarth overlay....
The url can be modified and can contain some special field, that are modified dynamically by the application For instance: http://myServer.com/maps/bbox=!minLat!minLon!maxLat!maxLon! These specific fields are: !minLat! !minLon !maxLat! !maxLon! !x! !y! !z! !zoom! !quad!

See Also:

MapCustomOverlay

Field Summary

boolean	isTransparent
char[]	m_quad
java.lang.String	m_url
java.lang.String	name

Constructor Summary

GenericOverlay()
Do not forget to initialize m_url, and name

GenericOverlay(java.lang.String inUrl)

GenericOverlay(java.lang.String inName, java.lang.String inUrl)

Method Summary

java.lang.String	getName() Return the name of this overlay.
java.lang.String	getTileURL(int x, int y, int z, int sizeSq) Must be implemented to return the URL of a tile
boolean	isTransparent() Return true if the layer is transparent, or haves some alpha capacities.

Methods inherited from class java.lang.Object

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

Field Detail

m_url

public java.lang.String m_url

m_quad

public char[] m_quad

isTransparent

public boolean isTransparent

name

public java.lang.String name

Constructor Detail

GenericOverlay

public GenericOverlay(java.lang.String inUrl)

GenericOverlay

public GenericOverlay()

Do not forget to initialize m_url, and name

GenericOverlay

public GenericOverlay(java.lang.String inName,
                      java.lang.String inUrl)

Method Detail

getTileURL

public java.lang.String getTileURL(int x,
                                   int y,
                                   int z,
                                   int sizeSq)

Description copied from interface: MapOverlay

Must be implemented to return the URL of a tile

Specified by:

getTileURL in interface MapOverlay

Parameters:

x - position of the tile in pixel space...

y - y position in pixel space...

z - zoom factor

sizeSq - size of the tile...usually only 256 and 128 are supported

Returns:

Return the URL of an image of size sizeQxsizeSq that will be downloaded and displayed...

isTransparent

public boolean isTransparent()

Description copied from interface: MapOverlay

Return true if the layer is transparent, or haves some alpha capacities. The behavior of the engine is that the overlay IS NOT transparent, then no map will be displayed first, assuming that this layer will contains all the visible informations

Specified by:

isTransparent in interface MapOverlay

Returns:

the URL of the image

getName

public java.lang.String getName()

Description copied from interface: MapOverlay

Return the name of this overlay. The name will be displayed on screen

Specified by:

getName in interface MapOverlay