def tile(self):
z = 11
x = randint(496,523)
y = randint(772,797)
try:
z,x,y = map(int,[z,x,y])
tid = "t:%s:%d+%d+%d"%(self.ts.shpfile,z,x,y)
tile = Tile.get_by_key_name(tid)
if tile:
self._tile = tile
return tile
else:
shpfile = memcache.get(self.ts.shpfile.encode('utf8'))
if not shpfile:
shpfile = Shapefile.get_by_key_name(self.ts.shpfile)
memcache.set(self.ts.shpfile.encode('utf8'),shpfile)
typ,dat = shpfile.raw_tile(x,y,z)
tile = Tile(tid)
tile.typ = typ
tile.dat = str(dat)
tile.put()
self._tile = tile
return tile
except:
raise
return False
return False
def find_tile(self,z,x,y):
if z is not None and x is not None and y is not None and self.ts:
z,x,y = map(int,(z,x,y))
#logging.info('Find Tile: %d+%d+%d'%(z,x,y))
if self.get_tile(z,x,y):
return self._tile
elif self.valid_tile(z,x,y):
#logging.info('Tile: %d+%d+%d Not Found, will search'%(z,x,y))
while z:
z-=1
x_quad = x&1
y_quad = y&1
x = x>>1
y = y>>1
#logging.info('Tile: search %d+%d+%d'%(z,x,y))
if self.get_tile(z,x,y):
#logging.info('Tile: found %d+%d+%d'%(z,x,y))
regionID = query.query(self._tile,qx=x_quad,qy=y_quad)
#logging.info('Region ID: %d'%(regionID))
#logging.info('Quad x,y: (%d,%d)'%(x_quad,y_quad))
t = Tile()
t.dat = str(regionID)
if regionID == 0:
t.typ = 'A'
else:
t.typ = 'B'
self._tile = t
return self._tile
else:
#logging.info('Tile: %d+%d+%d Is Not Valid'%(z,x,y))
return False
else:
#logging.info('not z,x,y or ts')
t =Tile()
t.dat = '0'
t.typ = 'A'
self._tile = t
return self._tile
return False
def tile(self):
if self._tile and not self._get_raw:
return self._tile
if not self.ts:
return False
get = self.request.REQUEST.get
x = get('x')
y = get('y')
z = get('z')
b = True
if get('b',-1) == '0':
b = False
if not (x and y and z):
return False
try:
z,x,y = map(int,[z,x,y])
if self._get_raw:
shpfile = Shapefile.get_by_key_name(self.ts.shpfile)
png = shpfile.raw_png(x,y,z,border=b)
return png
if b:
tid = "t:%s:%d+%d+%d"%(self.ts.shpfile,z,x,y)
else:
tid = "u:%s:%d+%d+%d"%(self.ts.shpfile,z,x,y)
tile = Tile.get_by_key_name(tid)
if tile:
self._tile = tile
return tile
else:
logger.info("Creating tile x%d,y%d,z%d of %s"%(x,y,z,tid))
shpfile = memcache.get(self.ts.shpfile.encode('utf8'))
if not shpfile:
shpfile = Shapefile.get_by_key_name(self.ts.shpfile)
memcache.set(self.ts.shpfile.encode('utf8'),shpfile)
typ,dat = shpfile.raw_tile(x,y,z,border=b)
tile = Tile(tid)
tile.typ = typ
tile.dat = str(dat)
tile.put()
self._tile = tile
return tile
except:
logger.error("Exception occured while Getting or Creating Tile (x%d,y%d,z%d)"%(x,y,z))
return False
return False
