本文整理汇总了Python中mapproxy.grid.MetaGrid.tile_list方法的典型用法代码示例。如果您正苦于以下问题：Python MetaGrid.tile_list方法的具体用法？Python MetaGrid.tile_list怎么用？Python MetaGrid.tile_list使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mapproxy.grid.MetaGrid的用法示例。
在下文中一共展示了MetaGrid.tile_list方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: TileWalker
# 需要导入模块: from mapproxy.grid import MetaGrid [as 别名]
# 或者: from mapproxy.grid.MetaGrid import tile_list [as 别名]
class TileWalker(object):
def __init__(self, task, worker_pool, handle_stale=False, handle_uncached=False,
work_on_metatiles=True, skip_geoms_for_last_levels=0, progress_logger=None,
seed_progress=None):
self.tile_mgr = task.tile_manager
self.task = task
self.worker_pool = worker_pool
self.handle_stale = handle_stale
self.handle_uncached = handle_uncached
self.work_on_metatiles = work_on_metatiles
self.skip_geoms_for_last_levels = skip_geoms_for_last_levels
self.progress_logger = progress_logger
num_seed_levels = len(task.levels)
self.report_till_level = task.levels[int(num_seed_levels * 0.8)]
meta_size = self.tile_mgr.meta_grid.meta_size if self.tile_mgr.meta_grid else (1, 1)
self.tiles_per_metatile = meta_size[0] * meta_size[1]
self.grid = MetaGrid(self.tile_mgr.grid, meta_size=meta_size, meta_buffer=0)
self.count = 0
self.seed_progress = seed_progress or SeedProgress()
def walk(self):
assert self.handle_stale or self.handle_uncached
bbox = self.task.coverage.extent.bbox_for(self.tile_mgr.grid.srs)
if self.seed_progress.already_processed():
# nothing to seed
self.seed_progress.step_forward()
else:
try:
self._walk(bbox, self.task.levels)
except StopProcess:
pass
self.report_progress(self.task.levels[0], self.task.coverage.bbox)
def _walk(self, cur_bbox, levels, all_subtiles=False):
"""
:param cur_bbox: the bbox to seed in this call
:param levels: list of levels to seed
:param all_subtiles: seed all subtiles and do not check for
intersections with bbox/geom
"""
current_level, levels = levels[0], levels[1:]
bbox_, tiles, subtiles = self.grid.get_affected_level_tiles(cur_bbox, current_level)
total_subtiles = tiles[0] * tiles[1]
if len(levels) < self.skip_geoms_for_last_levels:
# do not filter in last levels
all_subtiles = True
subtiles = self._filter_subtiles(subtiles, all_subtiles)
if current_level <= self.report_till_level:
self.report_progress(current_level, cur_bbox)
if not self.seed_progress.running():
self.report_progress(current_level, cur_bbox)
self.tile_mgr.cleanup()
raise StopProcess()
for i, (subtile, sub_bbox, intersection) in enumerate(subtiles):
if subtile is None: # no intersection
self.seed_progress.step_forward(total_subtiles)
continue
if levels: # recurse to next level
sub_bbox = limit_sub_bbox(cur_bbox, sub_bbox)
if intersection == CONTAINS:
all_subtiles = True
else:
all_subtiles = False
with self.seed_progress.step_down(i, total_subtiles):
if self.seed_progress.already_processed():
self.seed_progress.step_forward()
else:
self._walk(sub_bbox, levels,
all_subtiles=all_subtiles)
if not self.work_on_metatiles:
# collect actual tiles
handle_tiles = self.grid.tile_list(subtile)
else:
handle_tiles = [subtile]
if self.handle_uncached:
handle_tiles = [t for t in handle_tiles if
t is not None and
not self.tile_mgr.is_cached(t)]
elif self.handle_stale:
handle_tiles = [t for t in handle_tiles if
t is not None and
self.tile_mgr.is_stale(t)]
if handle_tiles:
self.count += 1
self.worker_pool.process(handle_tiles, self.seed_progress)
if not levels:
self.seed_progress.step_forward(total_subtiles)
if len(levels) >= 4:
# call cleanup to close open caches
# for connection based caches
#.........这里部分代码省略.........
示例2: TestMetaGridGeodetic
# 需要导入模块: from mapproxy.grid import MetaGrid [as 别名]
# 或者: from mapproxy.grid.MetaGrid import tile_list [as 别名]
class TestMetaGridGeodetic(object):
def setup(self):
self.mgrid = MetaGrid(grid=tile_grid('EPSG:4326'), meta_size=(2, 2), meta_buffer=10)
def test_meta_bbox_level_0(self):
eq_(self.mgrid._meta_bbox((0, 0, 0)), ((-180, -90, 180, 90), (0, 0, 0, -128)))
eq_(self.mgrid._meta_bbox((0, 0, 0), limit_to_bbox=False),
((-194.0625, -104.0625, 194.0625, 284.0625), (10, 10, 10, 10)))
eq_(self.mgrid.meta_tile((0, 0, 0)).size, (256, 128))
def test_tiles_level_0(self):
meta_tile = self.mgrid.meta_tile((0, 0, 0))
eq_(meta_tile.size, (256, 128))
eq_(meta_tile.grid_size, (1, 1))
eq_(meta_tile.tile_patterns, [((0, 0, 0), (0, -128))])
def test_meta_bbox_level_1(self):
eq_(self.mgrid._meta_bbox((0, 0, 1)), ((-180, -90, 180, 90), (0, 0, 0, 0)))
eq_(self.mgrid._meta_bbox((0, 0, 1), limit_to_bbox=False),
((-187.03125, -97.03125, 187.03125, 97.03125), (10, 10, 10, 10)))
eq_(self.mgrid.meta_tile((0, 0, 1)).size, (512, 256))
def test_tiles_level_1(self):
eq_(list(self.mgrid.meta_tile((0, 0, 1)).tile_patterns),
[
((0, 0, 1), (0, 0)),
((1, 0, 1), (256, 0))
])
def test_tile_list_level_1(self):
eq_(list(self.mgrid.tile_list((0, 0, 1))),
[(0, 0, 1), (1, 0, 1)])
def test_meta_bbox_level_2(self):
eq_(self.mgrid._meta_bbox((0, 0, 2)), ((-180, -90, 3.515625, 90), (0, 0, 10, 0)))
eq_(self.mgrid._meta_bbox((0, 0, 2), limit_to_bbox=False),
((-183.515625, -93.515625, 3.515625, 93.515625), (10, 10, 10, 10)))
eq_(self.mgrid.meta_tile((0, 0, 2)).size, (522, 512))
eq_(self.mgrid._meta_bbox((2, 0, 2)), ((-3.515625, -90, 180, 90), (10, 0, 0, 0)))
meta_tile = self.mgrid.meta_tile((2, 0, 2))
eq_(meta_tile.size, (522, 512))
eq_(meta_tile.grid_size, (2, 2))
def test_tiles_level_2(self):
eq_(list(self.mgrid.meta_tile((0, 0, 2)).tile_patterns),
[
((0, 1, 2), (0, 0)),
((1, 1, 2), (256, 0)),
((0, 0, 2), (0, 256)),
((1, 0, 2), (256, 256)),
])
eq_(list(self.mgrid.meta_tile((2, 0, 2)).tile_patterns),
[
((2, 1, 2), (10, 0)),
((3, 1, 2), (266, 0)),
((2, 0, 2), (10, 256)),
((3, 0, 2), (266, 256)),
])
def test_tile_list_level_2(self):
eq_(list(self.mgrid.tile_list((0, 0, 2))),
[(0, 1, 2), (1, 1, 2), (0, 0, 2), (1, 0, 2)])
eq_(list(self.mgrid.tile_list((1, 1, 2))),
[(0, 1, 2), (1, 1, 2), (0, 0, 2), (1, 0, 2)])
def test_tiles_level_3(self):
eq_(list(self.mgrid.meta_tile((2, 0, 3)).tile_patterns),
[
((2, 1, 3), (10, 10)),
((3, 1, 3), (266, 10)),
((2, 0, 3), (10, 266)),
((3, 0, 3), (266, 266)),
])
eq_(list(self.mgrid.meta_tile((2, 2, 3)).tile_patterns),
[
((2, 3, 3), (10, 0)),
((3, 3, 3), (266, 0)),
((2, 2, 3), (10, 256)),
((3, 2, 3), (266, 256)),
])示例3: TestMetaGridGeodeticUL
# 需要导入模块: from mapproxy.grid import MetaGrid [as 别名]
# 或者: from mapproxy.grid.MetaGrid import tile_list [as 别名]
class TestMetaGridGeodeticUL(object):
def setup(self):
self.tile_grid = tile_grid('EPSG:4326', origin='ul')
self.mgrid = MetaGrid(grid=self.tile_grid, meta_size=(2, 2), meta_buffer=10)
def test_tiles_level_0(self):
meta_tile = self.mgrid.meta_tile((0, 0, 0))
eq_(meta_tile.bbox, (-180, -90, 180, 90))
eq_(meta_tile.size, (256, 128))
eq_(meta_tile.grid_size, (1, 1))
eq_(meta_tile.tile_patterns, [((0, 0, 0), (0, 0))])
def test_tiles_level_1(self):
meta_tile = self.mgrid.meta_tile((0, 0, 1))
eq_(meta_tile.bbox, (-180, -90, 180, 90))
eq_(meta_tile.size, (512, 256))
eq_(meta_tile.grid_size, (2, 1))
eq_(list(meta_tile.tile_patterns),
[
((0, 0, 1), (0, 0)),
((1, 0, 1), (256, 0))
])
def test_tile_list_level_1(self):
eq_(list(self.mgrid.tile_list((0, 0, 1))),
[(0, 0, 1), (1, 0, 1)])
def test_tiles_level_2(self):
meta_tile = self.mgrid.meta_tile((0, 0, 2))
eq_(meta_tile.bbox, (-180, -90, 3.515625, 90))
eq_(meta_tile.size, (522, 512))
eq_(meta_tile.grid_size, (2, 2))
eq_(meta_tile.tile_patterns,
[
((0, 0, 2), (0, 0)),
((1, 0, 2), (256, 0)),
((0, 1, 2), (0, 256)),
((1, 1, 2), (256, 256)),
])
eq_(list(self.mgrid.meta_tile((2, 0, 2)).tile_patterns),
[
((2, 0, 2), (10, 0)),
((3, 0, 2), (266, 0)),
((2, 1, 2), (10, 256)),
((3, 1, 2), (266, 256)),
])
def test_tile_list_level_2(self):
eq_(list(self.mgrid.tile_list((0, 0, 2))),
[(0, 0, 2), (1, 0, 2), (0, 1, 2), (1, 1, 2)])
eq_(list(self.mgrid.tile_list((1, 1, 2))),
[(0, 0, 2), (1, 0, 2), (0, 1, 2), (1, 1, 2)])
def test_tiles_level_3(self):
meta_tile = self.mgrid.meta_tile((2, 0, 3))
eq_(meta_tile.bbox, (-91.7578125, -1.7578125, 1.7578125, 90))
eq_(meta_tile.size, (532, 522))
eq_(meta_tile.grid_size, (2, 2))
eq_(list(self.mgrid.meta_tile((2, 0, 3)).tile_patterns),
[
((2, 0, 3), (10, 0)),
((3, 0, 3), (266, 0)),
((2, 1, 3), (10, 256)),
((3, 1, 3), (266, 256)),
])
eq_(list(self.mgrid.meta_tile((2, 2, 3)).tile_patterns),
[
((2, 2, 3), (10, 10)),
((3, 2, 3), (266, 10)),
((2, 3, 3), (10, 266)),
((3, 3, 3), (266, 266)),
])示例4: TileWalker
# 需要导入模块: from mapproxy.grid import MetaGrid [as 别名]
# 或者: from mapproxy.grid.MetaGrid import tile_list [as 别名]
#.........这里部分代码省略.........
"""
bbox_, tiles, subtiles = self.grid.get_affected_level_tiles(cur_bbox, current_level)
total_subtiles = tiles[0] * tiles[1]
if len(levels) < self.skip_geoms_for_last_levels:
# do not filter in last levels
all_subtiles = True
subtiles = self._filter_subtiles(subtiles, all_subtiles)
if current_level in levels and current_level <= self.report_till_level:
self.report_progress(current_level, cur_bbox)
if not self.seed_progress.running():
if current_level in levels:
self.report_progress(current_level, cur_bbox)
self.tile_mgr.cleanup()
raise StopProcess()
process = False;
if current_level in levels:
levels = levels[1:]
process = True
for i, (subtile, sub_bbox, intersection) in enumerate(subtiles):
if subtile is None: # no intersection
self.seed_progress.step_forward(total_subtiles)
continue
if levels: # recurse to next level
sub_bbox = limit_sub_bbox(cur_bbox, sub_bbox)
if intersection == CONTAINS:
all_subtiles = True
else:
all_subtiles = False
with self.seed_progress.step_down(i, total_subtiles):
if self.seed_progress.already_processed():
self.seed_progress.step_forward()
else:
self._walk(sub_bbox, levels, current_level=current_level+1,
all_subtiles=all_subtiles)
if not process:
continue
# check if subtile was already processed. see comment in __init__
if subtile in self.seeded_tiles[current_level]:
if not levels:
self.seed_progress.step_forward(total_subtiles)
continue
self.seeded_tiles[current_level].appendleft(subtile)
if not self.work_on_metatiles:
# collect actual tiles
handle_tiles = self.grid.tile_list(subtile)
else:
handle_tiles = [subtile]
if self.handle_uncached:
handle_tiles = [t for t in handle_tiles if
t is not None and
not self.tile_mgr.is_cached(t)]
elif self.handle_stale:
handle_tiles = [t for t in handle_tiles if
t is not None and
self.tile_mgr.is_stale(t)]
if handle_tiles:
self.count += 1
self.worker_pool.process(handle_tiles, self.seed_progress)
if not levels:
self.seed_progress.step_forward(total_subtiles)
if len(levels) >= 4:
# call cleanup to close open caches
# for connection based caches
self.tile_mgr.cleanup()
def report_progress(self, level, bbox):
if self.progress_logger:
self.progress_logger.log_progress(self.seed_progress, level, bbox,
self.count * self.tiles_per_metatile)
def _filter_subtiles(self, subtiles, all_subtiles):
"""
Return an iterator with all sub tiles.
Yields (None, None, None) for non-intersecting tiles,
otherwise (subtile, subtile_bbox, intersection).
"""
for subtile in subtiles:
if subtile is None:
yield None, None, None
else:
sub_bbox = self.grid.meta_tile(subtile).bbox
if all_subtiles:
intersection = CONTAINS
else:
intersection = self.task.intersects(sub_bbox)
if intersection:
yield subtile, sub_bbox, intersection
else:
yield None, None, None