Module: Tairu

Defined in:
lib/tairu.rb,
lib/tairu/tile.rb,
lib/tairu/cache.rb,
lib/tairu/store.rb,
lib/tairu/server.rb,
lib/tairu/version.rb,
lib/tairu/cache/disk.rb,
lib/tairu/coordinate.rb,
lib/tairu/store/esri.rb,
lib/tairu/cache/memory.rb,
lib/tairu/configuration.rb,
lib/tairu/store/mbtiles.rb

Defined Under Namespace

Modules: Cache, Store Classes: Configuration, Coordinate, Server, Tile

Constant Summary collapse

TILE_404 = 
Tairu::Tile.new(File.read(File.join(File.expand_path(File.dirname(__FILE__)), 'tairu', 'images', '404.png')), 'image/png')
VERSION = 
'0.9.0'

Class Method Summary collapse

Class Method Details

.get_tile(name, coord, format = nil) ⇒ Object 



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# File 'lib/tairu.rb', line 13

def self.get_tile(name, coord, format = nil)
  tileset = Tairu::CONFIG.layers[name]

  unless tileset.nil?
    tile = Tairu::CACHE.get(tileset, coord)

    if tile.nil?
      provider = Tairu::Store::TYPES[tileset['provider']]
      provider_tile = provider.get(name, tileset['tileset'], coord, tileset['format'])

      unless provider_tile.nil?
        tile = provider_tile
        Tairu::CACHE.add(tileset, coord, tile)
      else
        tile = TILE_404
      end
    end
  else
    tile = TILE_404
  end

  tile
end