mil.nga.geopackage.tiles.user

Class TileDao

java.lang.Object

<any>

mil.nga.geopackage.user.UserDao<TileColumn,TileTable,TileRow,TileCursor>

mil.nga.geopackage.tiles.user.TileDao

public class TileDao
extends UserDao<TileColumn,TileTable,TileRow,TileCursor>

Tile DAO for reading tile user tables

Constructor Summary

Constructors

Constructor and Description
TileDao(java.lang.String database, GeoPackageConnection db, TileConnection tileDb, TileMatrixSet tileMatrixSet, java.util.List<TileMatrix> tileMatrices, TileTable table) Constructor

Method Summary

Modifier and Type	Method and Description
void	adjustTileMatrixLengths() Adjust the tile matrix lengths if needed.
int	count(long zoomLevel) Count of Tiles at a zoom level
int	deleteTile(long column, long row, long zoomLevel) Delete a Tile
BoundingBox	getBoundingBox()
long	getMaxZoom() Get the max zoom
long	getMinZoom() Get the min zoom
TileConnection	getTileDb() Get the Tile connection
java.util.List<TileMatrix>	getTileMatrices() Get the tile matrices
TileMatrix	getTileMatrix(long zoomLevel) Get the tile matrix at the zoom level
TileMatrixSet	getTileMatrixSet() Get the tile matrix set
java.lang.Long	getZoomLevel(double length) Get the zoom level for the provided width and height in the default units
boolean	isGoogleTiles() Determine if the tiles are in the Google tile coordinate format
TileRow	newRow()
TileCursor	queryByTileGrid(TileGrid tileGrid, long zoomLevel) Query by tile grid and zoom level
TileCursor	queryForTile(long zoomLevel) Query for Tiles at a zoom level
TileRow	queryForTile(long column, long row, long zoomLevel) Query for a Tile
TileCursor	queryForTileDescending(long zoomLevel) Query for Tiles at a zoom level in descending row and column order
TileCursor	queryForTilesInColumn(long column, long zoomLevel) Query for Tiles at a zoom level and column
TileCursor	queryForTilesInRow(long row, long zoomLevel) Query for Tiles at a zoom level and row

Methods inherited from class mil.nga.geopackage.user.UserDao

getSQLiteDatabase, insert, insert, insertOrThrow, update, update

Methods inherited from class java.lang.Object

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

Constructor Detail

TileDao

public TileDao(java.lang.String database,
               GeoPackageConnection db,
               TileConnection tileDb,
               TileMatrixSet tileMatrixSet,
               java.util.List<TileMatrix> tileMatrices,
               TileTable table)

Constructor

Parameters:

database -

db -

tileDb -

tileMatrixSet -

tileMatrices -

table -

Method Detail

getBoundingBox

public BoundingBox getBoundingBox()

adjustTileMatrixLengths

public void adjustTileMatrixLengths()

Adjust the tile matrix lengths if needed. Check if the tile matrix width and height need to expand to account for pixel * number of pixels fitting into the tile matrix lengths

newRow

public TileRow newRow()

getTileDb

public TileConnection getTileDb()

Get the Tile connection

Returns:

getTileMatrixSet

public TileMatrixSet getTileMatrixSet()

Get the tile matrix set

Returns:

getTileMatrices

public java.util.List<TileMatrix> getTileMatrices()

Get the tile matrices

Returns:

getTileMatrix

public TileMatrix getTileMatrix(long zoomLevel)

Get the tile matrix at the zoom level

Parameters:

zoomLevel -

Returns:

getMinZoom

public long getMinZoom()

Get the min zoom

Returns:

getMaxZoom

public long getMaxZoom()

Get the max zoom

Returns:

queryForTile

public TileRow queryForTile(long column,
                            long row,
                            long zoomLevel)

Query for a Tile

Parameters:

column -

row -

zoomLevel -

Returns:

queryForTile

public TileCursor queryForTile(long zoomLevel)

Query for Tiles at a zoom level

Parameters:

zoomLevel -

Returns:

tile cursor, should be closed

queryForTileDescending

public TileCursor queryForTileDescending(long zoomLevel)

Query for Tiles at a zoom level in descending row and column order

Parameters:

zoomLevel -

Returns:

tile cursor, should be closed

queryForTilesInColumn

public TileCursor queryForTilesInColumn(long column,
                                        long zoomLevel)

Query for Tiles at a zoom level and column

Parameters:

column -

zoomLevel -

Returns:

queryForTilesInRow

public TileCursor queryForTilesInRow(long row,
                                     long zoomLevel)

Query for Tiles at a zoom level and row

Parameters:

row -

zoomLevel -

Returns:

getZoomLevel

public java.lang.Long getZoomLevel(double length)

Get the zoom level for the provided width and height in the default units

Parameters:

length - in meters

Returns:

queryByTileGrid

public TileCursor queryByTileGrid(TileGrid tileGrid,
                                  long zoomLevel)

Query by tile grid and zoom level

Parameters:

tileGrid -

zoomLevel -

Returns:

cursor from query or null if the zoom level tile ranges do not overlap the bounding box

deleteTile

public int deleteTile(long column,
                      long row,
                      long zoomLevel)

Delete a Tile

Parameters:

column -

row -

zoomLevel -

Returns:

number deleted, should be 0 or 1

count

public int count(long zoomLevel)

Count of Tiles at a zoom level

Parameters:

zoomLevel -

Returns:

count

isGoogleTiles

public boolean isGoogleTiles()

Determine if the tiles are in the Google tile coordinate format

Returns: