org.oscim.tiling.source.mapfile

Class Projection

java.lang.Object

org.oscim.tiling.source.mapfile.Projection

public class Projection
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static double	latitudeToPixelY(double latitude, int zoomLevel) Converts a latitude coordinate (in degrees) to a pixel Y coordinate at a certain zoom level.
static long	latitudeToTileY(double latitude, int zoomLevel) Converts a latitude coordinate (in degrees) to a tile Y number at a certain zoom level.
static double	longitudeToPixelX(double longitude, int zoomLevel) Converts a longitude coordinate (in degrees) to a pixel X coordinate at a certain zoom level.
static long	longitudeToTileX(double longitude, int zoomLevel) Converts a longitude coordinate (in degrees) to the tile X number at a certain zoom level.
static double	pixelXToLongitude(double pixelX, int zoomLevel) Converts a pixel X coordinate at a certain zoom level to a longitude coordinate.
static int	pixelXToTileX(double pixelX, int zoomLevel) Converts a pixel X coordinate to the tile X number.
static double	pixelYToLatitude(double pixelY, int zoomLevel) Converts a pixel Y coordinate at a certain zoom level to a latitude coordinate.
static int	pixelYToTileY(double pixelY, int zoomLevel) Converts a pixel Y coordinate to the tile Y number.
static double	tileXToLongitude(long tileX, int zoomLevel) Converts a tile X number at a certain zoom level to a longitude coordinate.
static double	tileYToLatitude(long tileY, int zoomLevel) Converts a tile Y number at a certain zoom level to a latitude coordinate.

Methods inherited from class java.lang.Object

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

Method Detail

tileXToLongitude

public static double tileXToLongitude(long tileX,
                                      int zoomLevel)

Converts a tile X number at a certain zoom level to a longitude coordinate.

Parameters:

tileX - the tile X number that should be converted.

zoomLevel - the zoom level at which the number should be converted.

Returns:

the longitude value of the tile X number.

tileYToLatitude

public static double tileYToLatitude(long tileY,
                                     int zoomLevel)

Converts a tile Y number at a certain zoom level to a latitude coordinate.

Parameters:

tileY - the tile Y number that should be converted.

zoomLevel - the zoom level at which the number should be converted.

Returns:

the latitude value of the tile Y number.

latitudeToTileY

public static long latitudeToTileY(double latitude,
                                   int zoomLevel)

Converts a latitude coordinate (in degrees) to a tile Y number at a certain zoom level.

Parameters:

latitude - the latitude coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the tile Y number of the latitude value.

longitudeToTileX

public static long longitudeToTileX(double longitude,
                                    int zoomLevel)

Converts a longitude coordinate (in degrees) to the tile X number at a certain zoom level.

Parameters:

longitude - the longitude coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the tile X number of the longitude value.

pixelXToTileX

public static int pixelXToTileX(double pixelX,
                                int zoomLevel)

Converts a pixel X coordinate to the tile X number.

Parameters:

pixelX - the pixel X coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the tile X number.

pixelYToTileY

public static int pixelYToTileY(double pixelY,
                                int zoomLevel)

Converts a pixel Y coordinate to the tile Y number.

Parameters:

pixelY - the pixel Y coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the tile Y number.

pixelXToLongitude

public static double pixelXToLongitude(double pixelX,
                                       int zoomLevel)

Converts a pixel X coordinate at a certain zoom level to a longitude coordinate.

Parameters:

pixelX - the pixel X coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the longitude value of the pixel X coordinate.

longitudeToPixelX

public static double longitudeToPixelX(double longitude,
                                       int zoomLevel)

Converts a longitude coordinate (in degrees) to a pixel X coordinate at a certain zoom level.

Parameters:

longitude - the longitude coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the pixel X coordinate of the longitude value.

pixelYToLatitude

public static double pixelYToLatitude(double pixelY,
                                      int zoomLevel)

Converts a pixel Y coordinate at a certain zoom level to a latitude coordinate.

Parameters:

pixelY - the pixel Y coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the latitude value of the pixel Y coordinate.

latitudeToPixelY

public static double latitudeToPixelY(double latitude,
                                      int zoomLevel)

Converts a latitude coordinate (in degrees) to a pixel Y coordinate at a certain zoom level.

Parameters:

latitude - the latitude coordinate that should be converted.

zoomLevel - the zoom level at which the coordinate should be converted.

Returns:

the pixel Y coordinate of the latitude value.