def bbox(hashcode):
'''
decode a hashcode and get north, south, east and west border.
'''
if _geohash:
(lat,lon,lat_bits,lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0/(1<<lat_bits)
longitude_delta = 360.0/(1<<lon_bits)
return {'s':lat,'w':lon,'n':lat+latitude_delta,'e':lon+longitude_delta}
(lat,lon,lat_length,lon_length) = _decode_c2i(hashcode)
ret={}
if lat_length:
ret['n'] = 180.0*(lat+1-(1<<(lat_length-1)))/(1<<lat_length)
ret['s'] = 180.0*(lat-(1<<(lat_length-1)))/(1<<lat_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['n'] = 90.0
ret['s'] = -90.0
if lon_length:
ret['e'] = 360.0*(lon+1-(1<<(lon_length-1)))/(1<<lon_length)
ret['w'] = 360.0*(lon-(1<<(lon_length-1)))/(1<<lon_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['e'] = 180.0
ret['w'] = -180.0
return ret
def bbox(hashcode):
'''
decode a hashcode and get north, south, east and west border.
'''
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0 / (1 << lat_bits)
longitude_delta = 360.0 / (1 << lon_bits)
return {'s': lat, 'w': lon, 'n': lat + latitude_delta, 'e': lon + longitude_delta}
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
if hasattr(float, "fromhex"):
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
latitude = _int_to_float_hex(lat, lat_length) * 90.0
longitude = _int_to_float_hex(lon, lon_length) * 180.0
return {"s": latitude, "w": longitude, "n": latitude + latitude_delta, "e": longitude + longitude_delta}
ret = {}
if lat_length:
ret['n'] = 180.0 * (lat + 1 - (1 << (lat_length - 1))) / (1 << lat_length)
ret['s'] = 180.0 * (lat - (1 << (lat_length - 1))) / (1 << lat_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['n'] = 90.0
ret['s'] = -90.0
if lon_length:
ret['e'] = 360.0 * (lon + 1 - (1 << (lon_length - 1))) / (1 << lon_length)
ret['w'] = 360.0 * (lon - (1 << (lon_length - 1))) / (1 << lon_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['e'] = 180.0
ret['w'] = -180.0
return ret
def decode(hashcode, delta=False): ''' decode a hashcode and get center coordinate, and distance between center and outer border ''' if _geohash: (lat,lon,lat_bits,lon_bits) = _geohash.decode(hashcode) latitude_delta = 90.0/(1<<lat_bits) longitude_delta = 180.0/(1<<lon_bits) latitude = lat + latitude_delta longitude = lon + longitude_delta if delta: return latitude,longitude,latitude_delta,longitude_delta return latitude,longitude (lat,lon,lat_length,lon_length) = _decode_c2i(hashcode) lat = (lat<<1) + 1 lon = (lon<<1) + 1 lat_length += 1 lon_length += 1 latitude = 180.0*(lat-(1<<(lat_length-1)))/(1<<lat_length) longitude = 360.0*(lon-(1<<(lon_length-1)))/(1<<lon_length) if delta: latitude_delta = 180.0/(1<<lat_length) longitude_delta = 360.0/(1<<lon_length) return latitude,longitude,latitude_delta,longitude_delta return latitude,longitude
def decode(hashcode, delta=False):
"""
decode a hashcode and get center coordinate, and distance between center and outer border
"""
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0 / (2 << lat_bits)
longitude_delta = 360.0 / (2 << lon_bits)
latitude = lat + latitude_delta
longitude = lon + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
lat = (lat << 1) + 1
lon = (lon << 1) + 1
lat_length += 1
lon_length += 1
latitude = 180.0 * lat / (1 << lat_length) - 90.0
longitude = 360.0 * lon / (1 << lon_length) - 180.0
if delta:
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
def decode(hashcode, delta=False):
'''
decode a hashcode and get center coordinate, and distance between center and outer border
'''
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0 / (2 << lat_bits)
longitude_delta = 360.0 / (2 << lon_bits)
latitude = lat + latitude_delta
longitude = lon + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
lat = (lat << 1) + 1
lon = (lon << 1) + 1
lat_length += 1
lon_length += 1
latitude = 180.0 * (lat - (1 << (lat_length - 1))) / (1 << lat_length)
longitude = 360.0 * (lon - (1 << (lon_length - 1))) / (1 << lon_length)
if delta:
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
def bbox(hashcode):
"""
decode a hashcode and get north, south, east and west border.
"""
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0 / (1 << lat_bits)
longitude_delta = 360.0 / (1 << lon_bits)
return {"s": lat, "e": lon, "n": lat + latitude_delta, "w": lon + longitude_delta}
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
ret = {}
ret["n"] = 180.0 * (lat + 1) / (1 << lat_length) - 90.0
ret["s"] = 180.0 * lat / (1 << lat_length) - 90.0
ret["e"] = 360.0 * (lon + 1) / (1 << lon_length) - 180.0
ret["w"] = 360.0 * lon / (1 << lon_length) - 180.0
return ret
def decode(hashcode, delta=False):
"""
Decode a hashcode and get center coordinate, and distance between center and outer border
:param hashcode:
:param delta:
:return: latitude, longitude (optional lat & lon deltas)
"""
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 90.0 / (1 << lat_bits)
longitude_delta = 180.0 / (1 << lon_bits)
latitude = lat + latitude_delta
longitude = lon + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
if hasattr(float, "fromhex"):
latitude_delta = 90.0 / (1 << lat_length)
longitude_delta = 180.0 / (1 << lon_length)
latitude = _int_to_float_hex(lat, lat_length) * 90.0 + latitude_delta
longitude = _int_to_float_hex(lon, lon_length) * 180.0 + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
lat = (lat << 1) + 1
lon = (lon << 1) + 1
lat_length += 1
lon_length += 1
latitude = 180.0 * (lat - (1 << (lat_length - 1))) / (1 << lat_length)
longitude = 360.0 * (lon - (1 << (lon_length - 1))) / (1 << lon_length)
if delta:
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
def decode(hashcode, delta=False):
"""
decode a hashcode and get center coordinate,
and distance between center and outer border
"""
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 90.0 / (1 << lat_bits)
longitude_delta = 180.0 / (1 << lon_bits)
latitude = lat + latitude_delta
longitude = lon + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
if hasattr(float, "fromhex"):
latitude_delta = 90.0 / (1 << lat_length)
longitude_delta = 180.0 / (1 << lon_length)
latitude = _int_to_float_hex(lat, lat_length) * 90.0 + latitude_delta
longitude = _int_to_float_hex(lon, lon_length) * 180.0 + longitude_delta
if delta:
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
lat = (lat << 1) + 1
lon = (lon << 1) + 1
lat_length += 1
lon_length += 1
latitude = 180.0 * (lat - (1 << (lat_length - 1))) / (1 << lat_length)
longitude = 360.0 * (lon - (1 << (lon_length - 1))) / (1 << lon_length)
if delta:
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
return latitude, longitude, latitude_delta, longitude_delta
return latitude, longitude
def bbox(hashcode):
"""
Decode a hashcode - return N, S, E, W borders
:param hashcode:
:return:
"""
if _geohash:
(lat, lon, lat_bits, lon_bits) = _geohash.decode(hashcode)
latitude_delta = 180.0 / (1 << lat_bits)
longitude_delta = 360.0 / (1 << lon_bits)
return {'s': lat, 'w': lon, 'n': lat + latitude_delta, 'e': lon + longitude_delta}
(lat, lon, lat_length, lon_length) = _decode_c2i(hashcode)
if hasattr(float, "fromhex"):
latitude_delta = 180.0 / (1 << lat_length)
longitude_delta = 360.0 / (1 << lon_length)
latitude = _int_to_float_hex(lat, lat_length) * 90.0
longitude = _int_to_float_hex(lon, lon_length) * 180.0
return {"s":latitude, "w":longitude, "n":latitude+latitude_delta, "e":longitude+longitude_delta}
ret = {}
if lat_length:
ret['n'] = 180.0 * (lat + 1 - (1 << (lat_length - 1))) / (1 << lat_length)
ret['s'] = 180.0 * (lat - (1 << (lat_length - 1))) / (1 << lat_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['n'] = 90.0
ret['s'] = -90.0
if lon_length:
ret['e'] = 360.0 * (lon + 1 - (1 << (lon_length - 1))) / (1 << lon_length)
ret['w'] = 360.0 * (lon - (1 << (lon_length - 1))) / (1 << lon_length)
else: # can't calculate the half with bit shifts (negative shift)
ret['e'] = 180.0
ret['w'] = -180.0
return ret
def decode(*args): return _geohash.decode(*args)
