org.gvsig.googlemaps.prov.dalraster.cachestruct

Class GoogleMapsCacheStruct

java.lang.Object

org.gvsig.googlemaps.prov.dalraster.cachestruct.GoogleMapsCacheStruct

All Implemented Interfaces:

CacheStruct

public class GoogleMapsCacheStruct
extends Object
implements CacheStruct

Implementation for a structure of a cache

Field Summary

Fields inherited from interface org.gvsig.raster.cache.tile.provider.CacheStruct

FLAT, GEOGRAFIC

Constructor Summary

Constructors

Constructor and Description
GoogleMapsCacheStruct(int levels, int tilePxWidth, int tilePxHeight, String layerName, String baseDir, String fileSuffix, long size) Creates a Google Maps cache struct

Method Summary

Modifier and Type	Method and Description
double	clipDecimals(double num, int n) Clips a given double to n decimals
boolean	compare(CacheStruct struct) Compares two structures and returns true if they are equals
String	getEPSG() Gets the EPSG code
String	getFileSize() If the source is a file gets the size or 0 if is not a file
String	getFileSuffix() Gets the suffix which represents the image format
int	getLayerHeightOfTileMatrixByLevel(int level) Gets the number of rows in a specific level
int	getLayerInitXTilePositionByLevel(int level) Gets the starting X position of the layer
int	getLayerInitYTilePositionByLevel(int level) Gets the starting Y position of the layer
String	getLayerName() Gets the layer name
int	getLayerWidthOfTileMatrixByLevel(int level) Gets the number of columns in a specific level
int	getNumberOfLevels() Gets the number of resolution levels
double	getPixelSizeByLevel(int level) Gets the pixel size of a level
String	getServerURL() Gets the server URL
Point2D[]	getTileExtent(int level, int col, int row) Get the extent of an matrix element in a specific level
Point2D[]	getTileExtent(Tile tile) Gets the extent of a tile
List<Tile>	getTileList(Point2D ul, Point2D lr, double mtsPixelXRequest) Gets the list of tiles inside of selected area
List<Tile>	getTileList(Rectangle2D r) Gets the list of tiles inside of selected area in pixels.
int[]	getTileSizeByLevel(int level) Gets the tile size
double[]	getTileSizeInRealCoordsByLevel(int level) Gets the tile size by level in world coordinates
Tile	getTileStructure(int level, int tileCol, int tileRow, Point2D ul, Point2D lr) Builds a tile structure with all parameters that this kind of service needs.
Extent	getWorldExtent() Return extent of Google Maps world
long	getWorldHeightOfTileMatrixByLevel(int level) Gets the number of rows in a specific level
long	getWorldWidthOfTileMatrixByLevel(int level) Gets the number of columns in a specific level

Methods inherited from class java.lang.Object

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

Constructor Detail

GoogleMapsCacheStruct

public GoogleMapsCacheStruct(int levels,
                             int tilePxWidth,
                             int tilePxHeight,
                             String layerName,
                             String baseDir,
                             String fileSuffix,
                             long size)

Creates a Google Maps cache struct

Parameters:

levels -

tilePxWidth -

tilePxHeight -

layerName -

baseDir -

fileSuffix -

size -

Method Detail

getWorldExtent

public Extent getWorldExtent()

Return extent of Google Maps world

Returns:

Extent

getNumberOfLevels

public int getNumberOfLevels()

Description copied from interface: CacheStruct

Gets the number of resolution levels

Specified by:

getNumberOfLevels in interface CacheStruct

Returns:

getLayerName

public String getLayerName()

Description copied from interface: CacheStruct

Gets the layer name

Specified by:

getLayerName in interface CacheStruct

Returns:

getServerURL

public String getServerURL()

Description copied from interface: CacheStruct

Gets the server URL

Specified by:

getServerURL in interface CacheStruct

Returns:

getFileSuffix

public String getFileSuffix()

Description copied from interface: CacheStruct

Gets the suffix which represents the image format

Specified by:

getFileSuffix in interface CacheStruct

Returns:

getTileSizeByLevel

public int[] getTileSizeByLevel(int level)

Description copied from interface: CacheStruct

Gets the tile size

Specified by:

getTileSizeByLevel in interface CacheStruct

Returns:

an array of two elements. The first element is the width in pixels and the second the height.

getTileSizeInRealCoordsByLevel

public double[] getTileSizeInRealCoordsByLevel(int level)

Description copied from interface: CacheStruct

Gets the tile size by level in world coordinates

Specified by:

getTileSizeInRealCoordsByLevel in interface CacheStruct

Returns:

width x height

getLayerWidthOfTileMatrixByLevel

public int getLayerWidthOfTileMatrixByLevel(int level)

Description copied from interface: CacheStruct

Gets the number of columns in a specific level

Specified by:

getLayerWidthOfTileMatrixByLevel in interface CacheStruct

Returns:

getLayerHeightOfTileMatrixByLevel

public int getLayerHeightOfTileMatrixByLevel(int level)

Description copied from interface: CacheStruct

Gets the number of rows in a specific level

Specified by:

getLayerHeightOfTileMatrixByLevel in interface CacheStruct

Returns:

getLayerInitXTilePositionByLevel

public int getLayerInitXTilePositionByLevel(int level)

Description copied from interface: CacheStruct

Gets the starting X position of the layer

Specified by:

getLayerInitXTilePositionByLevel in interface CacheStruct

Returns:

getLayerInitYTilePositionByLevel

public int getLayerInitYTilePositionByLevel(int level)

Description copied from interface: CacheStruct

Gets the starting Y position of the layer

Specified by:

getLayerInitYTilePositionByLevel in interface CacheStruct

Returns:

getWorldHeightOfTileMatrixByLevel

public long getWorldHeightOfTileMatrixByLevel(int level)

Description copied from interface: CacheStruct

Gets the number of rows in a specific level

Specified by:

getWorldHeightOfTileMatrixByLevel in interface CacheStruct

Returns:

getWorldWidthOfTileMatrixByLevel

public long getWorldWidthOfTileMatrixByLevel(int level)

Description copied from interface: CacheStruct

Gets the number of columns in a specific level

Specified by:

getWorldWidthOfTileMatrixByLevel in interface CacheStruct

Returns:

getPixelSizeByLevel

public double getPixelSizeByLevel(int level)

Description copied from interface: CacheStruct

Gets the pixel size of a level

Specified by:

getPixelSizeByLevel in interface CacheStruct

Returns:

getTileExtent

public Point2D[] getTileExtent(Tile tile)

Description copied from interface: CacheStruct

Gets the extent of a tile

Specified by:

getTileExtent in interface CacheStruct

Returns:

getTileExtent

public Point2D[] getTileExtent(int level,
                               int col,
                               int row)

Description copied from interface: CacheStruct

Get the extent of an matrix element in a specific level

Specified by:

getTileExtent in interface CacheStruct

Returns:

getTileList

public List<Tile> getTileList(Rectangle2D r)

Description copied from interface: CacheStruct

Gets the list of tiles inside of selected area in pixels. This method is only valid for the real level. Don't use with levels of resolution.

Specified by:

getTileList in interface CacheStruct

Returns:

getTileList

public List<Tile> getTileList(Point2D ul,
                              Point2D lr,
                              double mtsPixelXRequest)

Description copied from interface: CacheStruct

Gets the list of tiles inside of selected area

Specified by:

getTileList in interface CacheStruct

Returns:

compare

public boolean compare(CacheStruct struct)

Description copied from interface: CacheStruct

Compares two structures and returns true if they are equals

Specified by:

compare in interface CacheStruct

Returns:

getEPSG

public String getEPSG()

Description copied from interface: CacheStruct

Gets the EPSG code

Specified by:

getEPSG in interface CacheStruct

Returns:

getFileSize

public String getFileSize()

Description copied from interface: CacheStruct

If the source is a file gets the size or 0 if is not a file

Specified by:

getFileSize in interface CacheStruct

Returns:

clipDecimals

public double clipDecimals(double num,
                           int n)

Clips a given double to n decimals

Parameters:

num -

n -

Returns:

double

getTileStructure

public Tile getTileStructure(int level,
                             int tileCol,
                             int tileRow,
                             Point2D ul,
                             Point2D lr)
                      throws TileBuildException

Description copied from interface: CacheStruct

Builds a tile structure with all parameters that this kind of service needs.

Specified by:

getTileStructure in interface CacheStruct

Returns:

Throws:

TileBuildException