Module tilenames

Translates between lat/long and the slippy-map tile numbering scheme

http://wiki.openstreetmap.org/index.php/Slippy_map_tilenames

Author: Oliver White

Date: 2007

License: This file is public-domain.

Functions

numTiles(z)

source code

sec(x)

source code

latlon2relativeXY(lat, lon)

source code

latlon2xy(lat, lon, z)

source code

tileXY(lat, lon, z)

source code

xy2latlon(x, y, z)

source code

latEdges(y, z)

source code

lonEdges(x, z)

source code

tileEdges(x, y, z)

source code

mercatorToLat(mercatorY)

source code

tileSizePixels()

source code

tileLayerExt(layer)

source code

tileLayerBase(layer)

source code

tileURL(x, y, z, layer)

source code

Variables

__author__ = 'Oliver White'

__license__ = 'This file is public-domain.'

__package__ = 'viewer.lib'

e = 2.71828182846

pi = 3.14159265359