def bin_tiles_by_zoom_level_and_transform(tile_ids):
'''
Place these tiles into separate lists according to their
zoom level and transform type
Parameters
----------
tile_ids: [str,...]
A list of tile_ids (e.g. xyx.0.0.1) identifying the tiles
to be retrieved
Returns
-------
tile_lists: {(zoomLevel, transformType): [tile_id, tile_id]}
A dictionary of tile ids
'''
tile_id_lists = col.defaultdict(set)
for tile_id in tile_ids:
tile_id_parts = tile_id.split('.')
tile_position = list(map(int, tile_id_parts[1:4]))
zoom_level = tile_position[0]
transform_method = hgco.get_transform_type(tile_id)
tile_id_lists[(zoom_level, transform_method)].add(tile_id)
return tile_id_lists
def add_transform_type(tile_id):
"""
Add a transform type to a cooler tile id if it's not already
present.
Parameters
----------
tile_id: str
A tile id (e.g. xyz.0.1.0)
Returns
-------
new_tile_id: str
A formatted tile id, potentially with an added transform_type
"""
tile_id_parts = tile_id.split(".")
tileset_uuid = tile_id_parts[0]
tile_position = tile_id_parts[1:4]
transform_type = hgco.get_transform_type(tile_id)
new_tile_id = ".".join([tileset_uuid] + tile_position + [transform_type])
return new_tile_id
