mil.nga.geopackage.tiles

Class TileGenerator

java.lang.Object

mil.nga.geopackage.tiles.TileGenerator

Direct Known Subclasses:

FeatureTileGenerator, UrlTileGenerator

public abstract class TileGenerator
extends Object

Creates a set of tiles within a GeoPackage

Field Summary

Fields

Modifier and Type	Field and Description
protected BoundingBox	boundingBox Tile bounding box
protected Context	context Context

Constructor Summary

Constructors

Constructor and Description
TileGenerator(Context context, GeoPackage geoPackage, String tableName, int minZoom, int maxZoom) Constructor

Method Summary

Modifier and Type	Method and Description
void	close() Close the GeoPackage
protected abstract byte[]	createTile(int z, long x, long y) Create the tile
int	generateTiles() Generate the tiles
int	getTileCount() Get the tile count of tiles to be generated
void	setBitmapCompressionConfig(Bitmap.Config config) Set the Bitmap Compress Config
void	setCompressFormat(Bitmap.CompressFormat compressFormat) Set the compress format
void	setCompressQuality(Integer compressQuality) Set the compress quality.
void	setGoogleTiles(boolean googleTiles) Set the Google Tiles flag to true to generate Google tile format tiles.
void	setProgress(GeoPackageProgress progress) Set the progress tracker
void	setTileBoundingBox(BoundingBox boundingBox) Set the tile bounding box

Methods inherited from class java.lang.Object

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

Field Detail

context

protected final Context context

Context

boundingBox

protected BoundingBox boundingBox

Tile bounding box

Constructor Detail

TileGenerator

public TileGenerator(Context context,
                     GeoPackage geoPackage,
                     String tableName,
                     int minZoom,
                     int maxZoom)

Constructor

Parameters:

context -

geoPackage -

tableName -

minZoom -

maxZoom -

Method Detail

setTileBoundingBox

public void setTileBoundingBox(BoundingBox boundingBox)

Set the tile bounding box

Parameters:

boundingBox -

setCompressFormat

public void setCompressFormat(Bitmap.CompressFormat compressFormat)

Set the compress format

Parameters:

compressFormat -

setCompressQuality

public void setCompressQuality(Integer compressQuality)

Set the compress quality. The Compress format must be set for this to be used.

Parameters:

compressQuality -

setProgress

public void setProgress(GeoPackageProgress progress)

Set the progress tracker

Parameters:

progress -

setBitmapCompressionConfig

public void setBitmapCompressionConfig(Bitmap.Config config)

Set the Bitmap Compress Config

Parameters:

config -

setGoogleTiles

public void setGoogleTiles(boolean googleTiles)

Set the Google Tiles flag to true to generate Google tile format tiles. Default is false

Parameters:

googleTiles -

getTileCount

public int getTileCount()

Get the tile count of tiles to be generated

Returns:

generateTiles

public int generateTiles()
                  throws SQLException,
                         IOException

Generate the tiles

Returns:

tiles created

Throws:

SQLException

IOException

close

public void close()

Close the GeoPackage

createTile

protected abstract byte[] createTile(int z,
                                     long x,
                                     long y)

Create the tile

Parameters:

z -

x -

y -

Returns: