class MeetingPlaceAroundGeo(object):
def __init__(self, debug=2):
self._debug = debug
self._dist_obj = Distance()
self._geod = Geod(ellps='WGS84')
############################################################
# POI-DB
############################################################
opdb = OSM_POIDb()
for f in [ "bar.sfbayarea.xml", "restaurant.sfbayarea.xml", "cafe.sfbayarea.xml" ]:
opdb.make_fromOSMXml(os.path.join("osm_data_xml", f))
self._opdb = opdb
def get_lon_lat_box(self, lon, lat, radius=10, in_miles=False):
distance_in_metres = radius*1000
if in_miles: distance_in_metres = distance_in_metres*1.60934
nesw_ll = self._geod.fwd([lon]*4, [lat]*4, [0,90,180,270], [distance_in_metres]*4)
### print nesw_ll
return ( (min(nesw_ll[0]), max(nesw_ll[0])), (min(nesw_ll[1]), max(nesw_ll[1])) )
def get_amenities_around_city(self, city, country='us', region=None, radius=10, in_miles=False):
bb_arr = self._dist_obj.get_city_lon_lat(city, country, region)
### print dll_arr
xbb_arr = [ self.get_lon_lat_box(t[0], t[1], radius, in_miles) for t in bb_arr]
#
#
for bb in xbb_arr:
if self._debug >= 2: print "Bounding box: ", bb
a = self._opdb.get_pois_in_lon_lat_box(bb[0][0], bb[1][0], bb[0][1], bb[1][1])
yield a
def __init__(self, debug=2):
self._debug = debug
self._dist_obj = Distance()
self._geod = Geod(ellps='WGS84')
############################################################
# POI-DB
############################################################
opdb = OSM_POIDb()
for f in [ "bar.sfbayarea.xml", "restaurant.sfbayarea.xml", "cafe.sfbayarea.xml" ]:
opdb.make_fromOSMXml(os.path.join("osm_data_xml", f))
self._opdb = opdb