The HSlippyMap package

[Tags: bsd3, library]

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Versions0.1.0.0, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.1, 2.2 (info)
Change logNone available
Dependenciesbase (==4.6.*) [details]
LicenseBSD3
AuthorJean-Alexandre Peyroux
Maintainerm@j4.pe
CategoryDevelopment
Home pagehttps://github.com/j4/HSlippyMap
UploadedTue Dec 24 22:12:19 UTC 2013 by j4pe
DistributionsNixOS:2.2
Downloads1846 total (106 in last 30 days)
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StatusDocs available [build log]
Successful builds reported [all 1 reports]

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Readme for HSlippyMap-2.0

http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames#Haskell

mapM (\z-> putStrLn $ show $ tileFromLatLong 12.3 3.3 z) [0..18]
http://tile.openstreetmap.org/0/0/0.png
http://tile.openstreetmap.org/1/1/0.png
http://tile.openstreetmap.org/2/2/1.png
http://tile.openstreetmap.org/3/4/2.png
http://tile.openstreetmap.org/4/8/5.png
http://tile.openstreetmap.org/5/16/11.png
http://tile.openstreetmap.org/6/32/22.png
http://tile.openstreetmap.org/7/64/44.png
http://tile.openstreetmap.org/8/129/88.png
http://tile.openstreetmap.org/9/259/176.png
http://tile.openstreetmap.org/10/518/352.png
http://tile.openstreetmap.org/11/1036/704.png
http://tile.openstreetmap.org/12/2073/1409.png
http://tile.openstreetmap.org/13/4147/2819.png
http://tile.openstreetmap.org/14/8295/5639.png
http://tile.openstreetmap.org/15/16590/11278.png
http://tile.openstreetmap.org/16/33181/22557.png
http://tile.openstreetmap.org/17/66362/45115.png
http://tile.openstreetmap.org/18/132725/90230.png
long2tilex lon z = floor((lon + 180.0) / 360.0 * (2.0 ** z))
 
lat2tiley lat z = floor((1.0 - log( tan(lat * pi/180.0) + 1.0 / cos(lat * pi/180.0)) / pi) / 2.0 * (2.0 ** z))
 
tilex2long x z = x / (2.0 ** z) * 360.0 - 180
 
tiley2lat y z = 180.0 / pi * atan(0.5 * (exp(n) - exp(-n)))
        where
                n = pi - 2.0 * pi * y / (2.0 ** z)
 
-- Exemple
main = do
        --print $ long2tilex 2.2712 17
        --print $ lat2tiley 48.8152 17
        --print $ tilex2long 66362 17
        --print $ tiley2lat 45115 17
        putStrLn "gps: (lat=48.8152,long=2.2712)"
        putStrLn $ "http://tile.openstreetmap.org/17/" ++ show x ++ "/" ++ show y ++ ".png"
        where
                z = 17
                x = long2tilex 2.2712 z
                y = lat2tiley 48.8152 z