def _tile_location_tc(self, tile, create_dir=False):
"""
Return the location of the `tile`. Caches the result as ``location``
property of the `tile`.
:param tile: the tile object
:param create_dir: if True, create all necessary directories
:return: the full filename of the tile
>>> from mapproxy.cache.tile import Tile
>>> c = FileCache(cache_dir='/tmp/cache/', file_ext='png')
>>> c.tile_location(Tile((3, 4, 2))).replace('\\\\', '/')
'/tmp/cache/02/000/000/003/000/000/004.png'
"""
if tile.location is None:
x, y, z = tile.coord
parts = (self.level_location(z),
"%03d" % int(x / 1000000),
"%03d" % (int(x / 1000) % 1000),
"%03d" % (int(x) % 1000),
"%03d" % int(y / 1000000),
"%03d" % (int(y / 1000) % 1000),
"%03d.%s" % (int(y) % 1000, self.file_ext))
tile.location = os.path.join(*parts)
if create_dir:
ensure_directory(tile.location)
return tile.location
def _tile_location_quadkey(self, tile, create_dir=False):
"""
Return the location of the `tile`. Caches the result as ``location``
property of the `tile`.
:param tile: the tile object
:param create_dir: if True, create all necessary directories
:return: the full filename of the tile
>>> from mapproxy.cache.tile import Tile
>>> from mapproxy.cache.file import FileCache
>>> c = FileCache(cache_dir='/tmp/cache/', file_ext='png', directory_layout='quadkey')
>>> c.tile_location(Tile((3, 4, 2))).replace('\\\\', '/')
'/tmp/cache/11.png'
"""
if tile.location is None:
x, y, z = tile.coord
quadKey = ""
for i in range(z,0,-1):
digit = 0
mask = 1 << (i-1)
if (x & mask) != 0:
digit += 1
if (y & mask) != 0:
digit += 2
quadKey += str(digit)
tile.location = os.path.join(
self.cache_dir, quadKey + '.' + self.file_ext
)
if create_dir:
ensure_directory(tile.location)
return tile.location
def _single_color_tile_location(self, color, create_dir=False):
"""
>>> c = FileCache(cache_dir='/tmp/cache/', file_ext='png')
>>> c._single_color_tile_location((254, 0, 4)).replace('\\\\', '/')
'/tmp/cache/single_color_tiles/fe0004.png'
"""
parts = (
self.cache_dir,
'single_color_tiles',
''.join('%02x' % v for v in color) + '.' + self.file_ext
)
location = os.path.join(*parts)
if create_dir:
ensure_directory(location)
return location
def store(self, legend):
if legend.stored:
return
if legend.location is None:
hash = legend_hash(legend.id, legend.scale)
legend.location = os.path.join(self.cache_dir, hash) + '.' + self.file_ext
ensure_directory(legend.location)
data = legend.source.as_buffer(ImageOptions(format='image/' + self.file_ext), seekable=True)
data.seek(0)
with open(legend.location, 'wb') as f:
log.debug('writing to %s' % (legend.location))
f.write(data.read())
data.seek(0)
legend.stored = True
def store(self, legend):
if legend.stored:
return
if legend.location is None:
hash = legend_hash(legend.id, legend.scale)
legend.location = os.path.join(self.cache_dir,
hash) + '.' + self.file_ext
ensure_directory(legend.location)
data = legend.source.as_buffer(ImageOptions(format='image/' +
self.file_ext),
seekable=True)
data.seek(0)
with open(legend.location, 'wb') as f:
log.debug('writing to %s' % (legend.location))
f.write(data.read())
data.seek(0)
legend.stored = True
def _tile_location_tms(self, tile, create_dir=False):
"""
Return the location of the `tile`. Caches the result as ``location``
property of the `tile`.
:param tile: the tile object
:param create_dir: if True, create all necessary directories
:return: the full filename of the tile
>>> from mapproxy.cache.tile import Tile
>>> c = FileCache(cache_dir='/tmp/cache/', file_ext='png', directory_layout='tms')
>>> c.tile_location(Tile((3, 4, 2))).replace('\\\\', '/')
'/tmp/cache/2/3/4.png'
"""
if tile.location is None:
x, y, z = tile.coord
tile.location = os.path.join(
self.level_location(str(z)),
str(x), str(y) + '.' + self.file_ext
)
if create_dir:
ensure_directory(tile.location)
return tile.location
