mil.nga.geopackage.map.tiles.overlay

Class CompositeOverlay

java.lang.Object

mil.nga.geopackage.map.tiles.overlay.BoundedOverlay

mil.nga.geopackage.map.tiles.overlay.CompositeOverlay

public class CompositeOverlay
extends BoundedOverlay

Composite overlay comprised of multiple overlays, checking each in order for a tile

Field Summary

Fields inherited from class mil.nga.geopackage.map.tiles.overlay.BoundedOverlay

webMercatorBoundingBox

Constructor Summary

Constructors

Constructor and Description
CompositeOverlay() Constructor
CompositeOverlay(BoundedOverlay overlay) Constructor
CompositeOverlay(Collection<BoundedOverlay> overlays) Constructor

Method Summary

Modifier and Type	Method and Description
void	addOverlay(BoundedOverlay overlay) Add an overlay
void	addOverlays(Collection<BoundedOverlay> overlays) Add overlays
void	clearOverlays() Clear the overlays
protected boolean	hasTileToRetrieve(int x, int y, int zoom) Check if there is a tile to retrieve
protected Tile	retrieveTile(int x, int y, int zoom) Retrieve the tile

Methods inherited from class mil.nga.geopackage.map.tiles.overlay.BoundedOverlay

getBoundingBox, getMaxZoom, getMinZoom, getTile, getWebMercatorBoundingBox, getWebMercatorBoundingBox, hasTile, isWithinBoundingBox, isWithinBounds, isWithinZoom, setBoundingBox, setMaxZoom, setMinZoom

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeOverlay

public CompositeOverlay()

Constructor

CompositeOverlay

public CompositeOverlay(BoundedOverlay overlay)

Constructor

Parameters:

overlay - first overlay

CompositeOverlay

public CompositeOverlay(Collection<BoundedOverlay> overlays)

Constructor

Parameters:

overlays - ordered overlays

Method Detail

addOverlay

public void addOverlay(BoundedOverlay overlay)

Add an overlay

Parameters:

overlay - bounded overlay

addOverlays

public void addOverlays(Collection<BoundedOverlay> overlays)

Add overlays

Parameters:

overlays - ordered overlays

clearOverlays

public void clearOverlays()

Clear the overlays

hasTileToRetrieve

protected boolean hasTileToRetrieve(int x,
                                    int y,
                                    int zoom)

Check if there is a tile to retrieve

Specified by:

hasTileToRetrieve in class BoundedOverlay

Parameters:

x - x coordinate

y - y coordinate

zoom - zoom value

Returns:

true if there is a tile

retrieveTile

protected Tile retrieveTile(int x,
                            int y,
                            int zoom)

Retrieve the tile

Specified by:

retrieveTile in class BoundedOverlay

Parameters:

x - x coordinate

y - y coordinate

zoom - zoom value

Returns:

tile