added to/from on QuadKey

Author: Buck Heroux

quadkey/__init__.py

@@ -54,6 +54,13 @@ def area(self):
 	def to_tile(self):
 		return TileSystem.quadkey_to_tile(self.key)
 
+  def to_geo(self):
+    ret = TileSystem.quadkey_to_tile(self.key)
+    tile = ret[0]
+    lvl = ret[1]
+    pixel = TileSystem.tile_to_pixel(tile)
+    return TileSystem.pixel_to_geo(pixel, lvl)
+
 	def __eq__(self, other):
 		return self.key == other.key
 
@@ -79,3 +86,7 @@ def from_geo(geo, level):
 		tile = TileSystem.pixel_to_tile(pixel)
 		key = TileSystem.tile_to_quadkey(tile, level)
 		return QuadKey(key) 
+
+  @staticmethod
+  def from_tile(tile, level):
+    return QuadKey(TileSystem.tile_to_quadkey(tile, level))

setup.py

@@ -3,7 +3,7 @@
 from setuptools import setup
 
 setup(name="quadkey",
-		version="0.0.1",
+		version="0.0.3",
 		description="Python Implementation for Geospatial Quadkeys",
 		author="Buck Heroux",
 		url="https://github.com/buckheroux/QuadKey",