Providers.py

Revision 323, 1.6 kB (checked in by migurski, 1 year ago)
Hopefully backed out of ill-advised [317] and [318]

Line
1	from Core import Coordinate
2	from Geo import LinearProjection, MercatorProjection, Transformation
3
4	import math
5
6	ids = ('MICROSOFT_ROAD', 'MICROSOFT_AERIAL', 'MICROSOFT_HYBRID',
7	'GOOGLE_ROAD', 'GOOGLE_AERIAL', 'GOOGLE_HYBRID',
8	'YAHOO_ROAD', 'YAHOO_AERIAL', 'YAHOO_HYBRID',
9	'BLUE_MARBLE',
10	'OPEN_STREET_MAP')
11
12	class IMapProvider:
13	def __init__(self):
14	raise NotImplementedError("Abstract method not implemented by subclass.")
15
16	def getTileUrls(self, coordinate):
17	raise NotImplementedError("Abstract method not implemented by subclass.")
18
19	def getTileUrls(self, coordinate):
20	raise NotImplementedError("Abstract method not implemented by subclass.")
21
22	def tileWidth(self):
23	raise NotImplementedError("Abstract method not implemented by subclass.")
24
25	def tileHeight(self):
26	raise NotImplementedError("Abstract method not implemented by subclass.")
27
28	def locationCoordinate(self, location):
29	return self.projection.locationCoordinate(location)
30
31	def coordinateLocation(self, location):
32	return self.projection.coordinateLocation(location)
33
34	def sourceCoordinate(self, coordinate):
35	raise NotImplementedError("Abstract method not implemented by subclass.")
36
37	def sourceCoordinate(self, coordinate):
38	wrappedColumn = coordinate.column % math.pow(2, coordinate.zoom)
39
40	while wrappedColumn < 0:
41	wrappedColumn += math.pow(2, coordinate.zoom)
42
43	return Coordinate(coordinate.row, wrappedColumn, coordinate.zoom)

Note: See TracBrowser for help on using the browser.