def get_poi_within_radius_old(p_lat, p_lon, radius, category_id=None):
"""
Returns all the points of interest (POI) within the radius of the given point
:param p_lat: the latitude of the given point
:param p_lon: the longitude of the given point
:param radius: the radius in metres
:param category_id: the optional id of a certain category if left blank all categories will be considered
:return: returns a list of tuples (distance, POI)
"""
ret_val = []
ancestor_key = ndb.Key("FIContent_v1", "POI")
if category_id is not None:
poi_query = POI.query(ancestor=ancestor_key).filter(
POI.categoryID == category_id)
else:
poi_query = POI.query(ancestor=ancestor_key)
potential_poi = poi_query.fetch()
for poi in potential_poi:
dist = distance_between_points(p_lat, p_lon, poi.lat, poi.lon)
if dist < radius:
ret_val.append((dist, poi))
return ret_val
def get_poi_within_radius_old(p_lat, p_lon, radius, category_id=None):
"""
Returns all the points of interest (POI) within the radius of the given point
:param p_lat: the latitude of the given point
:param p_lon: the longitude of the given point
:param radius: the radius in metres
:param category_id: the optional id of a certain category if left blank all categories will be considered
:return: returns a list of tuples (distance, POI)
"""
ret_val = []
ancestor_key = ndb.Key("FIContent_v1", "POI")
if category_id is not None:
poi_query = POI.query(ancestor=ancestor_key).filter(POI.categoryID == category_id)
else:
poi_query = POI.query(ancestor=ancestor_key)
potential_poi = poi_query.fetch()
for poi in potential_poi:
dist = distance_between_points(p_lat, p_lon, poi.lat, poi.lon)
if dist < radius:
ret_val.append((dist, poi))
return ret_val
def get_poi_between_latitudes(lat_min, lat_max, category_id=None):
"""
Returns all POI that have their latitudes between lat_min i lat_max
:param lat_min:
:param lat_max:
:param category_id:
:return:
"""
ancestor_key = ndb.Key("FIContent_v1", "POI")
if category_id is not None:
poi_query = POI.query(ancestor=ancestor_key).filter(POI.lat > lat_min).filter(POI.lat < lat_max)\
.filter(POI.categoryID == category_id)
else:
poi_query = POI.query(ancestor=ancestor_key).filter(
POI.lat > lat_min).filter(POI.lat < lat_max)
return poi_query.fetch(projection=[POI.lat, POI.lon])
def get_poi_between_latitudes(lat_min, lat_max, category_id=None):
"""
Returns all POI that have their latitudes between lat_min i lat_max
:param lat_min:
:param lat_max:
:param category_id:
:return:
"""
ancestor_key = ndb.Key("FIContent_v1", "POI")
if category_id is not None:
poi_query = (
POI.query(ancestor=ancestor_key)
.filter(POI.lat > lat_min)
.filter(POI.lat < lat_max)
.filter(POI.categoryID == category_id)
)
else:
poi_query = POI.query(ancestor=ancestor_key).filter(POI.lat > lat_min).filter(POI.lat < lat_max)
return poi_query.fetch(projection=[POI.lat, POI.lon])