def get_provider_grid(provider, min_zoom=None, max_zoom=None):
"""
:param provider: The DataProvider
:return: The tile grid used by the DataProvider
"""
# Set custom zoom levels if available, otherwise use the provider defaults.
min_zoom = int(min_zoom) if min_zoom else provider.level_from
max_zoom = int(max_zoom) if max_zoom else provider.level_to
config = load_provider_config(provider.config)
try:
res = config.get("grids", {}).get("default",
{}).get("res", [])[min_zoom:max_zoom]
if not res:
levels = list(range(min_zoom, max_zoom))
tmp = mapproxy_grid.tile_grid_for_epsg("EPSG:4326")
res = list(map(lambda l: tmp.resolution(l), levels))
except Exception as e:
logger.warning("Error getting resolutions from mapproxy grid.")
logger.error(e)
res = None
return mapproxy_grid.tile_grid_for_epsg("EPSG:4326",
tile_size=(256, 256),
res=res)
def get_default_tile_grid(level=10):
"""
A geodetic grid for EPSG:4326 containing only the specified tile level
:param level: The desired level for the tiling grid
:return:
"""
tmp = mapproxy_grid.tile_grid_for_epsg('EPSG:4326')
res = tmp.resolution(level)
return mapproxy_grid.tile_grid_for_epsg('EPSG:4326', res=[res])
def get_provider_grid(provider):
"""
:param provider: The DataProvider
:return: The tile grid used by the DataProvider
"""
# TODO: Pull this provider's grid out of it's config
levels = list(range(provider.level_from, provider.level_to + 1))
tmp = mapproxy_grid.tile_grid_for_epsg('EPSG:4326')
res = list(map(lambda l: tmp.resolution(l), levels))
return mapproxy_grid.tile_grid_for_epsg('EPSG:4326',
tile_size=(256, 256),
res=res)
def test_res_range_open_from(self):
levels = LevelsResolutionRange([None, 100])
assert levels.for_grid(tile_grid_for_epsg(900913)) == [
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
]
def test_res_range_open_to(self):
levels = LevelsResolutionRange([1000, None])
assert levels.for_grid(tile_grid_for_epsg(900913)) == [
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
]
def test_res_range_open_to(self):
levels = LevelsResolutionRange([1000, None])
eq_(levels.for_grid(tile_grid_for_epsg(900913)),
[8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19])
def test_level_range_open_tos_range(self):
levels = LevelsResolutionRange([1000, 100])
assert levels.for_grid(tile_grid_for_epsg(900913)) == [8, 9, 10, 11]
def test_level_range_open_to(self):
levels = LevelsRange([13, None])
assert levels.for_grid(
tile_grid_for_epsg(4326)) == [13, 14, 15, 16, 17, 18, 19]
def test_level_range_open_from(self):
levels = LevelsRange([None, 5])
assert levels.for_grid(tile_grid_for_epsg(4326)) == [0, 1, 2, 3, 4, 5]
def test_level_range(self):
levels = LevelsRange([1, 5])
assert levels.for_grid(tile_grid_for_epsg(4326)) == [1, 2, 3, 4, 5]
def test_level_list(self):
levels = LevelsList([-10, 3, 1, 3, 5, 7, 50])
assert levels.for_grid(tile_grid_for_epsg(4326)) == [1, 3, 5, 7]
def test_level_range(self):
levels = LevelsRange([1, 5])
eq_(levels.for_grid(tile_grid_for_epsg(4326)), [1, 2, 3, 4, 5])
def test_level_list(self):
levels = LevelsList([-10, 3, 1, 3, 5, 7, 50])
eq_(levels.for_grid(tile_grid_for_epsg(4326)), [1, 3, 5, 7])
def test_level_list(self):
levels = LevelsList([-10, 3, 1, 3, 5, 7, 50])
eq_(levels.for_grid(tile_grid_for_epsg(4326)),
[1, 3, 5, 7])
def test_res_range_open_from(self):
levels = LevelsResolutionRange([None, 100])
eq_(levels.for_grid(tile_grid_for_epsg(900913)),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11])
def test_level_range_open_tos_range(self):
levels = LevelsResolutionRange([1000, 100])
eq_(levels.for_grid(tile_grid_for_epsg(900913)),
[8, 9, 10, 11])
def test_level_range_open_to(self):
levels = LevelsRange([13, None])
eq_(levels.for_grid(tile_grid_for_epsg(4326)),
[13, 14, 15, 16, 17, 18, 19])
def test_level_range_open_from(self):
levels = LevelsRange([None, 5])
eq_(levels.for_grid(tile_grid_for_epsg(4326)),
[0, 1, 2, 3, 4, 5])
def test_level_range(self):
levels = LevelsRange([1, 5])
eq_(levels.for_grid(tile_grid_for_epsg(4326)),
[1, 2, 3, 4, 5])
def test_resolution_list(self):
levels = LevelsResolutionList([1000, 100, 500])
assert levels.for_grid(tile_grid_for_epsg(900913)) == [8, 9, 11]
def test_resolution_list(self):
levels = LevelsResolutionList([1000, 100, 500])
eq_(levels.for_grid(tile_grid_for_epsg(900913)),
[8, 9, 11])
