def get_tiles_range_for_zoom(self, zoom):
# get tiles - copied from mapDownloader
dlon = mapUtils.km_to_lon(mapUtils.nice_round(self.reg_width),
self.center_lat)
dlat = mapUtils.km_to_lat(mapUtils.nice_round(self.reg_height))
if dlat > 170:
dlat = 170
if dlon > 358:
dlon = 358
top_left = mapUtils.coord_to_tile(
(self.center_lat + dlat / 2, self.center_lon - dlon / 2, zoom))
bottom_right = mapUtils.coord_to_tile(
(self.center_lat - dlat / 2, self.center_lon + dlon / 2, zoom))
# top_left[0][0], bottom_right[0][0], top_left[0][1], bottom_right[0][1]
# xmin, xmax, ymin, ymax
world_tiles = mapUtils.tiles_on_level(zoom)
if bottom_right[0][0] - top_left[0][0] >= world_tiles:
top_left[0][0], bottom_right[0][0] = 0, world_tiles - 1
if bottom_right[0][1] - top_left[0][1] >= world_tiles:
top_left[0][1], bottom_right[0][1] = 0, world_tiles - 1
# xmin, xmax, ymin, ymax
return (top_left[0][0], bottom_right[0][0], top_left[0][1],
bottom_right[0][1])
def bulk_download(self,
coord,
zoomlevels,
kmx,
kmy,
layer,
tile_callback,
completion_callback,
force_update=False,
conf=None,
nodups=True):
dlon = mapUtils.km_to_lon(mapUtils.nice_round(kmx), coord[0])
dlat = mapUtils.km_to_lat(mapUtils.nice_round(kmy))
if zoomlevels[0] > zoomlevels[1]:
zoomlevels = (zoomlevels[1], zoomlevels[0])
def downThread():
self.bulk_all_placed = False
for zoom in xrange(zoomlevels[1], zoomlevels[0] - 1, -1):
self.query_region_around_location(coord[0], coord[1], dlat,
dlon, zoom, layer,
tile_callback, True,
force_update, conf)
if self.qsize() == 0:
completion_callback()
self.bulk_all_placed = True
dThread = Timer(0, downThread)
dThread.start()
def get_tiles_range_for_zoom(self, zoom):
# get tiles - copied from mapDownloader
dlon = mapUtils.km_to_lon(mapUtils.nice_round(self.reg_width), self.center_lat)
dlat = mapUtils.km_to_lat(mapUtils.nice_round(self.reg_height))
if dlat > 170:
dlat = 170
if dlon > 358:
dlon = 358
top_left = mapUtils.coord_to_tile(
(self.center_lat + dlat / 2, self.center_lon - dlon / 2, zoom)
)
bottom_right = mapUtils.coord_to_tile(
(self.center_lat - dlat / 2, self.center_lon + dlon / 2, zoom)
)
# top_left[0][0], bottom_right[0][0], top_left[0][1], bottom_right[0][1]
# xmin, xmax, ymin, ymax
world_tiles = mapUtils.tiles_on_level(zoom)
if bottom_right[0][0] - top_left[0][0] >= world_tiles:
top_left[0][0], bottom_right[0][0] = 0, world_tiles - 1
if bottom_right[0][1] - top_left[0][1] >= world_tiles:
top_left[0][1], bottom_right[0][1] = 0, world_tiles - 1
# xmin, xmax, ymin, ymax
return(top_left[0][0], bottom_right[0][0], top_left[0][1], bottom_right[0][1])
def bulk_download(
self, coord, zoomlevels, kmx, kmy, layer, tile_callback, completion_callback, force_update=False, conf=None
):
dlon = mapUtils.km_to_lon(mapUtils.nice_round(kmx), coord[0])
dlat = mapUtils.km_to_lat(mapUtils.nice_round(kmy))
if zoomlevels[0] > zoomlevels[1]:
zoomlevels = (zoomlevels[1], zoomlevels[0])
def downThread():
self.bulk_all_placed = False
for zoom in xrange(zoomlevels[1], zoomlevels[0] - 1, -1):
self.query_region_around_location(
coord[0], coord[1], dlat, dlon, zoom, layer, tile_callback, True, force_update, conf
)
if self.qsize() == 0:
completion_callback()
self.bulk_all_placed = True
dThread = Timer(0, downThread)
dThread.start()