def real_get(self):
if not self.ts:
return self.die(500)
try:
x,y = self.request.REQUEST.get('pixelxy').split(',')
x,y = int(x),int(y)
z = int(self.request.REQUEST.get('zoom').split(',')[0])
tx,ty = x/256,y/256
ox,oy = x%256,y%256
tile = self.find_tile(z,tx,ty)
if not tile:
return self.die(404)
idx = query.query(tile,px=ox,py=oy)
if idx> 2:
ids = self.ts.ids.ids
ids = zlib.decompress(ids)
id = ids.split(',')[idx-2]
json = '{ "idx":%d,"region_id":"%s"}'%(idx,id)
callback = self.request.REQUEST.get('callback')
if callback:
json = "%s(%s)"%(callback,json)
self.write(json)
else:
return
except:
self.write('Sorry, there was an error')
#return self.die(500)
raise
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
