def _osm_api_query(item, bbox):
"""format query such that it can be passed to OSM api via overpass api
Parameters:
item (str): query feature for OSM
bbox (array): Bounding box for query
Returns:
result_NodesFromWays (overpy result object)
result_NodesWaysFromRels (overpy result object)
"""
query_clause_NodesFromWays = "way[%s](%f6, %f6, %f6, %f6);(._;>;);out geom;" \
% (item, bbox[0], bbox[1], bbox[2], bbox[3])
query_clause_NodesWaysFromRels = "rel[%s][type=multipolygon](%f6, %f6, %f6, %f6);(._;>;);out;"\
% (item, bbox[0], bbox[1], bbox[2], bbox[3])
api = overpy.Overpass(read_chunk_size=100000)
try:
result_NodesFromWays = api.query(query_clause_NodesFromWays)
print('Nodes from Ways query for %s: done.' % item)
except Exception as e:
print(' WARNING: !!!! \n %s - try again in a few moments \n !!!!' % e)
api = overpy.Overpass(read_chunk_size=100000)
try:
result_NodesWaysFromRels = api.query(query_clause_NodesWaysFromRels)
print('Nodes and Ways from Relations query for %s: done.' % item)
except Exception as e:
print(' WARNING: !!!! \n %s - try again in a few moments \n !!!!' % e)
return result_NodesFromWays, result_NodesWaysFromRels
def get_street(street, areacode, api=None):
"""
Retrieve streets in a given bounding area
:param overpy.Overpass api: First street of intersection
:param String street: Name of street
:param String areacode: The OSM id of the bounding area
:return: Parsed result
:raises overpy.exception.OverPyException: If something bad happens.
"""
if api is None:
api = overpy.Overpass()
query = """
area(%s)->.location;
(
way[highway][name="%s"](area.location);
- (
way[highway=service](area.location);
way[highway=track](area.location);
);
);
out body;
>;
out skel qt;
"""
data = api.query(query % (areacode, street))
return data
def returnFootpathsPoint(bb, filename):
slat = bb.lowery;
slon = bb.lowerx;
nlat = bb.uppery;
nlon = bb.upperx;
api = overpy.Overpass()
result = api.query(" [bbox: " + str(slat) +", " + str(slon) + ", " + str(nlat) + ", " + str(nlon) + "]; (way[highway=footway]; way[highway=pedestrian]; way[foot=yes]; way[footway=sidewalk] ); /*added by auto repair*/ (._;>;); /*end of auto repair*/ out;")
footpaths = result.ways
f = open(filename, "w+")
f.write("{\n")
f.write("\"type\": \"FeatureCollection\",\n")
f.write("\"features\": [\n")
count = 0;
for way in footpaths:
f.write("{\n")
f.write("\"type\": \"Feature\",\n")
f.write("\"geometry\": {\n")
f.write("\"type\": \"Point\",\n")
f.write("\"coordinates\": [" + str(way.nodes[0].lon) + ", " + str(way.nodes[0].lat) + "]\n") #come back to this, not finished
f.write("},\n")
f.write("\"properties\": {}\n")
if count == len(footpaths) - 1:
f.write("}\n") #take out last one's comma
else:
f.write("},\n")
f.write("\n")
count = count + 1
f.write("]\n")
f.write("}\n")
def query_osm_solar(polygons, decimal_places_to_round=5):
api = overpy.Overpass()
solar_node_lon_lats = set()
for polygon in polygons:
# little bit of python magic to massage the polygon into a space separated list of coordinates
polygon_coords_string = " ".join([" ".join(map(str, coord)) for coord in zip(*reversed(polygon.boundary.xy))])
# I've read that querying within a polygon is a lot slower than querying within a bounding box, so if this
# ends up being too slow, feel free to just replace with the bounding box of the polygon
query_string = \
"""
[out:json][timeout:2500];
(
node["generator:source"="solar"](poly:"{poly}");
way["generator:source"="solar"](poly:"{poly}");
relation["generator:source"="solar"](poly:"{poly}");
);
out body;
>;
out skel qt;
""".format(poly=polygon_coords_string)
result = api.query(query_string)
for node in result.nodes:
solar_node_lon_lats.add(
(round(node.lon, decimal_places_to_round), round(node.lat, decimal_places_to_round)))
return solar_node_lon_lats
def mock_get_public_transport_stops_query(monkeypatch, current_location):
api = overpy.Overpass()
monkeypatch.setattr(
overpass_service.API, "query", lambda query: api.parse_json(
utils.get_file(
_get_public_transport_stops_result_filename(current_location),
'overpass')))
def _query_stops(self):
"""Helper function to query OpenStreetMap stops
Returns raw data on stops from OpenStreetMap
"""
# Query stops with platform role from selected relations
api = overpy.Overpass()
query_str = """(
/* Obtain route variants based on tags and bounding box */
relation%s(%s);
/* Query for relation elements with role platform */
node(r:"platform")->.nodes;
way(r:"platform");
node(w);
/* Select all result sets */
( .nodes;._; );
/* Return tags for elements */
);out body;
/* Select stop area relations */
foreach.nodes(
rel(bn:"platform")["public_transport"="stop_area"];
out body;
);""" % (self.tags, self.bbox)
return api.query(query_str)
def overpass(query):
"""
OSM's Overpass API service.
\f
:param query: An input OSM overpass query. more info canbe found
`here <http://www.overpass-api.de/>_`.
:return: None.
"""
api = overpy.Overpass()
result = api.query(query)
if result.nodes:
click.secho("Nodes:", fg="green")
for node in result.nodes:
node.tags["latitude"] = node.lat
node.tags["longitude"] = node.lon
node.tags["id"] = node.id
click.secho(json.dumps(node.tags, indent=2, ensure_ascii=False),
fg="green")
if result.ways:
click.secho("Ways:", fg="green")
for way in result.ways:
way.tags["id"] = way.id
click.secho(json.dumps(way.tags, indent=2, ensure_ascii=False),
fg="green")
if result.relations:
click.secho("Relations:", fg="green")
for relation in result.relations:
relation.tags["id"] = relation.id
click.secho(json.dumps(relation.tags, indent=2,
ensure_ascii=False),
fg="green")
def __init__(self, lat_b, lat_t, lon_l, lon_r, land_use, hdd, cdd):
'''
Parameters:
-----------
lat_b, lat_t, lon_l, lon_r: float
lat lon coords of the grid cell
land_use: int
CORINE land use code
hdd: float
heating degree days
cdd: float
cooling degree days
'''
self.land_use = land_use
self.api = overpy.Overpass()
self.query = """[out:json][timeout:25];
(
way[building]({},{},{},{});
node(w);
);
out body;
>;
""".format(lat_b, lon_l, lat_t, lon_r)
self.buildings = self.api.query(self.query)
self.way_ids = self.buildings.get_way_ids()
self.hdd = hdd
self.cdd = cdd
self.res_buildings, self.com_buildings = self.make_building_list()
def querySettlements(countryCode):
overpassQuery = 'area["ISO3166-1"="' + countryCode + '"];\n'
overpassQuery += '(node["place"~"^city$|^village$"](area);\n rel["place"~"^city$|^village$"](area););\n'
overpassQuery += 'out meta;'
api = overpy.Overpass()
r = api.query(overpassQuery)
return r
def __init__(self, coordinates, origin, radius):
self.origin = origin
self.location = coordinates
# It's actually not a radius, but a bounding box. Making a bounding box that is broader by the meters asked:
# https://en.wikipedia.org/wiki/Decimal_degrees
self.radius = radius
self.north_east_point = self.coordinate_for_startpoint_and_bearing(self.location, 45, self.radius)
self.south_west_point = self.coordinate_for_startpoint_and_bearing(self.location, 225, self.radius)
# Now we have two points that span a bounding box with the drone-coordinate in the middle
# Find the closest house to these coordinates
self.api = overpy.Overpass()
self.house_nodes_positions = []
self.house_impression_positions = []
self.house_corner_positions = []
self.house_impression_direction = []
self.building_height = 2 # TODO: Take input from pilot
self.wall_lengths = []
self.wall_distances = []
self.overpass_building = []
self.house_midpoint = []
def run(self, bounding_box):
"""Run scraper for a given bounding_box."""
api = overpy.Overpass()
num_retries = 0
with tqdm(self.sub_areas(bounding_box),
unit="sub areas",
total=self.num_lat * self.num_lng) as boxes:
for bb in boxes:
query = self.build_query(bb)
sleep_time = 2
while True:
try:
self.handle_response(api.query(query))
except (overpy.exception.OverpassTooManyRequests,
overpy.exception.OverpassGatewayTimeout):
# Sleep, then retry
sleep(sleep_time)
sleep_time *= 2
num_retries += 1
else:
break
postfix = {"places": len(self.places), "retries": num_retries}
boxes.set_postfix(postfix)
return list(self.places.values())
def request_germany(csvfilename):
api = overpy.Overpass()
r = api.query("""
area["ISO3166-1"="DE"][admin_level=2];
(node["amenity"="biergarten"](area);
way["amenity"="biergarten"](area);
rel["amenity"="biergarten"](area);
);
out center;
""")
coords = []
coords += [(float(node.lon), float(node.lat)) for node in r.nodes]
coords += [(float(way.center_lon), float(way.center_lat))
for way in r.ways]
coords += [(float(rel.center_lon), float(rel.center_lat))
for rel in r.relations]
header_name = ['lon', 'lat']
with open(csvfilename, 'w') as csv_coords_w:
coords_wr = csv.writer(csv_coords_w)
coords_wr.writerow(header_name)
for coord in coords:
coords_wr.writerow(coord)
def get_street(street: str,
areacode: str,
api: Optional[overpy.Overpass] = None) -> overpy.Result:
"""
Retrieve streets in a given bounding area
:param street: Name of street
:param areacode: The OSM id of the bounding area
:param api: API object to fetch missing elements
:return: Parsed result
:raises overpy.exception.OverPyException: If something bad happens.
"""
if api is None:
api = overpy.Overpass()
query = """
area(%s)->.location;
(
way[highway][name="%s"](area.location);
- (
way[highway=service](area.location);
way[highway=track](area.location);
);
);
out body;
>;
out skel qt;
"""
data = api.query(query % (areacode, street))
return data
def get_intersection(
street1: str,
street2: str,
areacode: str,
api: Optional[overpy.Overpass] = None) -> List[overpy.Node]:
"""
Retrieve intersection of two streets in a given bounding area
:param street1: Name of first street of intersection
:param street2: Name of second street of intersection
:param areacode: The OSM id of the bounding area
:param api: API object to fetch missing elements
:return: List of intersections
:raises overpy.exception.OverPyException: If something bad happens.
"""
if api is None:
api = overpy.Overpass()
query = """
area(%s)->.location;
(
way[highway][name="%s"](area.location); node(w)->.n1;
way[highway][name="%s"](area.location); node(w)->.n2;
);
node.n1.n2;
out meta;
"""
data = api.query(query % (areacode, street1, street2))
return data.get_nodes()
def poiData(self, areaId):
api = overpy.Overpass()
for category in self._categoryLink:
elements = []
query = '[timeout:{}][out:json];' \
'area({})->.searchArea;' \
'node(area.searchArea);' \
'node._["name"]{};(._;>;);out center;'.format(self._timeout, areaId, category['selector'])
result = api.query(query)
elements.extend(result.nodes)
query = '[timeout:{}][out:json];' \
'area({})->.searchArea;' \
'way(area.searchArea);' \
'way._["name"]{};(._;>;);out center;'.format(self._timeout, areaId, category['selector'])
result = api.query(query)
elements.extend(result.ways)
query = '[timeout:{}][out:json];' \
'area({})->.searchArea;' \
'rel(area.searchArea);' \
'rel._["name"]{};(._;>;);out center;'.format(self._timeout, areaId, category['selector'])
result = api.query(query)
elements.extend(result.relations)
self._saveInfo(elements, category['type'])
def get_building_coords(building_ids):
building_coords = []
api = overpy.Overpass()
for building, id in building_ids:
result = api.query('''way(''' + id + ''');out geom;''')
node = result.ways[0].get_nodes(True)
lat = []
lon = []
for n in node:
lat.append(float(n.lat))
lon.append(float(n.lon))
print(building + " done")
building_coords.append({
"name": building,
"entrance_lat": [0.0],
"entrance_lon": [0.0],
"boundary_lat": lat,
"boundary_long": lon
})
# troubleshooting (remove break when done)
# break
return building_coords
def get_lot_coords(lot_ids):
lot_coords = []
api = overpy.Overpass()
for lot, types, id in lot_ids:
result = api.query('''way(''' + id + ''');out geom;''')
node = result.ways[0].get_nodes(True)
lat = []
lon = []
for n in node:
lat.append(float(n.lat))
lon.append(float(n.lon))
print(lot + " Lot done")
lot_coords.append({
"name": lot,
"type": types,
"boundary_lat": lat,
"boundary_long": lon,
"capacity": 0,
"available_spots": 0,
"available_times": ["0:00"]
})
# troubleshooting (remove break when done)
# break
return lot_coords
def hours():
center = request.args.get('center', '43.5744,7.0192').replace("%2C", ",")
radius = 0.01
rect = makeRect(center, radius)
when = request.args.get('when', 'now')
pinned = getPinned()
if when == "now":
now = datetime.datetime.today() # TODO tz awareness
day, hour = DAYS[now.weekday()], now.strftime("%H:%M")
else:
day, hour = when.split(" ")
osm = osmapi.OsmApi()
pinnedResults = []
for p in pinned:
node = osm.NodeGet(p)
pinnedResults.append(
makeNode(node['tag']['name'], node['lat'], node['lon'], node['id'],
getTypeFromTags(node['tag']),
node['tag']['opening_hours'], day, hour, center))
o = overpy.Overpass()
q = f"node[opening_hours]({rect});out;" # TODO retrieve also ways (eg. a whole building is a shop)
r = o.query(q)
results = []
for node in r.nodes:
results.append(
makeNode(node.tags.get('name'), node.lat, node.lon, node.id,
getTypeFromTags(node.tags), node.tags['opening_hours'],
day, hour, center))
return render_template('tabla.html', nodes=results, pinned=pinnedResults)
def maxspeed(coordinates, radius):
lat, lon = coordinates
api = overpy.Overpass()
#######################
# Query for Open Maps #
#######################
result = api.query("""
way(around:""" + radius + """,""" + lat + """,""" + lon +
""") ["maxspeed"];
(._;>;);
out body;
""")
results_list = []
for way in result.ways:
road = {}
road["name"] = way.tags.get("name", "n/a")
road["speed_limit"] = way.tags.get("maxspeed", "n/a")
nodes = []
for node in way.nodes:
nodes.append((node.lat, node.lon))
road["nodes"] = nodes
results_list.append(road)
return results_list
def find_area_intersections(coordinate, speed=15):
"""
coordinate: center
return the intersections in the bounding box based on current location
return type: get a list of Node objects representing each intersection:
[<overpy.Node id=42800986 lat=40.7681152 lon=-73.9038760>,
<overpy.Node id=42865836 lat=40.7689047 lon=-73.9069026>]
"""
# Parameter 1
radius = 0.25
## If use speed to define radius, uncomment the following two lines
# acc = 5 # m/s^2
# radius = max(0.2, (speed * 1.60934) ** 2 / (2 * 1000 * acc)) # in km
center_lat = coordinate[0]
center_lon = coordinate[1]
north = pointRadialDistance(center_lat, center_lon, 0, radius)
west = pointRadialDistance(center_lat, center_lon, 90, radius)
south = pointRadialDistance(center_lat, center_lon, 180, radius)
east = pointRadialDistance(center_lat, center_lon, 270, radius)
# Use overpass api to extract intersection coordinates in the bounding box
api = overpy.Overpass()
query_result = api.query("""
[bbox: """ + str(south[0]) + "," + str(west[1]) + "," + str(north[0]) +
',' + str(east[1]) + """];
way[highway~"^(motorway|trunk|primary|secondary|tertiary|(motorway|trunk|primary|secondary)_link)$"]->.major;
way[highway~"^(motorway|trunk|primary|secondary|tertiary|(motorway|trunk|primary|secondary)_link)$"]->.minor;
node(w.major)(w.minor)[highway=traffic_signals];
out; """)
ret = query_result.get_nodes()
if len(ret) == 0:
return None
else:
return ret
def _query_routes(self):
"""Helper function to query OpenStreetMap routes
Returns raw data on routes from OpenStreetMap
"""
# Query relations of route variants, their masters and geometry
api = overpy.Overpass()
query_str = """(
/* Obtain route variants based on tags and bounding box */
relation%s(%s)->.routes;
/* Query for related route masters */
relation[type=route_master](br.routes)->.masters;
/* Query for routes' geometry (ways and it's nodes) */
way(r.routes);
node(w);
/* Select all result sets */
( .routes;.masters;._; );
/* Return tags for elements and roles for relation members. */
);out body;""" % (self.tags, self.bbox)
return api.query(query_str)
def query_thread():
global last_query_result, last_query_pos, cache_valid
api = overpy.Overpass(url=OVERPASS_API_URL,
headers=OVERPASS_HEADERS,
timeout=10.)
while True:
time.sleep(1)
if last_gps is not None:
fix_ok = last_gps.flags & 1
if not fix_ok:
continue
if last_query_pos is not None:
cur_ecef = geodetic2ecef(
(last_gps.latitude, last_gps.longitude, last_gps.altitude))
prev_ecef = geodetic2ecef(
(last_query_pos.latitude, last_query_pos.longitude,
last_query_pos.altitude))
dist = np.linalg.norm(cur_ecef - prev_ecef)
if dist < 1000:
continue
if dist > 3000:
cache_valid = False
q = build_way_query(last_gps.latitude,
last_gps.longitude,
radius=3000)
try:
new_result = api.query(q)
# Build kd-tree
nodes = []
real_nodes = []
node_to_way = defaultdict(list)
for n in new_result.nodes:
nodes.append((float(n.lat), float(n.lon), 0))
real_nodes.append(n)
for way in new_result.ways:
for n in way.nodes:
node_to_way[n.id].append(way)
nodes = np.asarray(nodes)
nodes = geodetic2ecef(nodes)
tree = spatial.cKDTree(nodes)
query_lock.acquire()
last_query_result = new_result, tree, real_nodes, node_to_way
last_query_pos = last_gps
cache_valid = True
query_lock.release()
except Exception as e:
print e
query_lock.acquire()
last_query_result = None
query_lock.release()
def get_all_parks(self):
parks = []
# all osm parks at 10/07/2016
api = overpy.Overpass()
request = '[timeout:620][date:"2016-07-17T00:00:00Z"];(way["leisure"="park"];way["landuse"="recreation_ground"];way["leisure"="recreation_ground"];way["leisure"="pitch"];way["leisure"="garden"];way["leisure"="golf_course"];way["leisure"="playground"];way["landuse"="meadow"];way["landuse"="grass"];way["landuse"="greenfield"];way["natural"="scrub"];way["natural"="heath"];way["natural"="grassland"];way["landuse"="farmyard"];way["landuse"="vineyard"];way[landuse=farmland];way[landuse=orchard];);out;>;out skel qt;'
request = '[bbox:{},{},{},{}]{}'.format(south, west, north, east, request)
response = api.query(request)
for w in response.ways:
name = w.tags.get("name", None)
leisure = w.tags.get("leisure", None)
landuse = w.tags.get("landuse", None)
natural = w.tags.get("natural", None)
if name:
area_name = name[:1].upper() + name[1:]
elif leisure:
area_name = leisure[:1].upper() + leisure[1:]
elif landuse:
area_name = landuse[:1].upper() + landuse[1:]
elif natural:
area_name = natural[:1].upper() + natural[1:]
else:
area_name = 'Error'
parks.append({
'id': w.id,
'name': area_name,
'coords': [[float(c.lat), float(c.lon)] for c in w.nodes]
# json.dumps and json.loads
})
return parks
def query_OSM(coords):
"""
Sends a request to OSM server and returns an array of all the building nodes
in the area specified by [coords]
Returns:
[[building1_node, ...], [building2_node, ...], ...] where each building_node
is in (lat,lon) format.
"""
api = overpy.Overpass()
query_result = api.query(("""
way
({}, {}, {}, {}) ["building"];
(._;>;);
out body;
""").format(coords[0], coords[1], coords[2], coords[3]))
# Unprocessed building data from the query
buildings = query_result.ways
# The list of each building's coordinates.
# Each item in this list is a list of points in (lat,lon) for each building's nodes.
building_coords = []
for building in buildings:
points = [(float(str(n.lat)), float(str(n.lon)))
for n in building.nodes]
building_coords.append(points)
return building_coords
def ex_query(s, w, n, e):
# Query Overpass for known gym areas
api = overpy.Overpass(xml_parser=0)
result = api.query("""
[out:json]
[date:"2016-07-10T00:00:00Z"]
[timeout:620]
[bbox:{},{},{},{}];
(
//Tags that are confirmed to classify gyms as 'parks' for EX Raids
way[leisure=park];
way[landuse=recreation_ground];
way[leisure=recreation_ground];
way[leisure=pitch];
way[leisure=garden];
way[leisure=golf_course];
way[leisure=playground];
way[landuse=meadow];
way[landuse=grass];
way[landuse=greenfield];
way[natural=scrub];
way[natural=grassland];
way[landuse=farmyard];
);
out body;
>;
out skel qt;
""".format(s, w, n, e))
return result
def maxspeed(latN, lonN, radius):
lon = "{:.7}".format(lonN)
lat = str(latN)
print(lon)
#lon = str(lonN)
api = overpy.Overpass()
# fetch all ways and nodes
result = api.query("""
way(around:""" + radius + """,""" + lat + """,""" + lon + """) ["maxspeed"];
(._;>;);
out body;
""")
#print("result len: " +str( len(result.ways)))
#if result.ways is not None:
try:
way = result.ways[0]
speedWay = way.tags.get("maxspeed", "n/a")
speedArr[0] = speedWay[0]
speedArr[1] = speedWay[1]
speedLimit = magic(speedArr)
print("Speed Limit: " + str(speedLimit))
return speedLimit
except IndexError:
return 0
def _insistent_osm_api_query(query_clause,
read_chunk_size=100000,
end_of_patience=127):
"""Runs a single Overpass API query through overpy.Overpass.query.
In case of failure it tries again after an ever increasing waiting period.
If the waiting period surpasses a given limit an exception is raised.
Parameters:
query_clause (str): the query
read_chunk_size (int): paramter passed over to overpy.Overpass.query
end_of_patience (int): upper limit for the next waiting period to proceed.
Returns:
result as returned by overpy.Overpass.query
"""
api = overpy.Overpass(read_chunk_size=read_chunk_size)
waiting_period = 1
while True:
try:
return api.query(query_clause)
except overpy.exception.OverpassTooManyRequests:
if waiting_period < end_of_patience:
print(
' WARNING: too many Overpass API requests - try again in {} seconds'
.format(waiting_period))
else:
raise Exception("Overpass API is consistently unavailable")
except Exception as exc:
if waiting_period < end_of_patience:
print(' WARNING: !!!!\n {}\n try again in {} seconds'.format(
exc, waiting_period))
else:
raise Exception("The Overpass API is consistently unavailable")
time.sleep(waiting_period)
waiting_period *= 2
def _query_overpass_api(sw_coord, ne_coord, nest_parks=False):
parks = []
api = overpy.Overpass()
request = _build_overpass_query(sw_coord, ne_coord, nest_parks)
while True:
try:
start = default_timer()
log.debug('Overpass API request: `%s`', request)
response = api.query(request)
break
except overpy.exception.OverpassTooManyRequests:
log.warning(
'Overpass API quota reached. Trying again in 5 minutes...')
time.sleep(300)
duration = default_timer() - start
log.info('Overpass API park response received in %.2fs.', duration)
for way in response.ways:
parks.append(
[[float(node.lat), float(node.lon)] for node in way.nodes])
return parks
def query_thread():
global last_query_result, last_query_pos, cache_valid
api = overpy.Overpass(url=OVERPASS_API_URL, headers=OVERPASS_HEADERS, timeout=10.)
while True:
time.sleep(1)
if last_gps is not None:
fix_ok = last_gps.flags & 1
if not fix_ok:
continue
if last_query_pos is not None:
cur_ecef = geodetic2ecef((last_gps.latitude, last_gps.longitude, last_gps.altitude))
prev_ecef = geodetic2ecef((last_query_pos.latitude, last_query_pos.longitude, last_query_pos.altitude))
dist = np.linalg.norm(cur_ecef - prev_ecef)
if dist < 1000: #updated when we are 1km from the edge of the downloaded circle
continue
if dist > 3000:
cache_valid = False
q = build_way_query(last_gps.latitude, last_gps.longitude, radius=3000)
try:
new_result = api.query(q)
# Build kd-tree
nodes = []
real_nodes = []
node_to_way = defaultdict(list)
location_info = {}
for n in new_result.nodes:
nodes.append((float(n.lat), float(n.lon), 0))
real_nodes.append(n)
for way in new_result.ways:
for n in way.nodes:
node_to_way[n.id].append(way)
for area in new_result.areas:
if area.tags.get('admin_level', '') == "2":
location_info['country'] = area.tags.get('ISO3166-1:alpha2', '')
if area.tags.get('admin_level', '') == "4":
location_info['region'] = area.tags.get('name', '')
nodes = np.asarray(nodes)
nodes = geodetic2ecef(nodes)
tree = spatial.cKDTree(nodes)
query_lock.acquire()
last_query_result = new_result, tree, real_nodes, node_to_way, location_info
last_query_pos = last_gps
cache_valid = True
query_lock.release()
except Exception as e:
print(e)
query_lock.acquire()
last_query_result = None
query_lock.release()
def get_osm_data(coor_query):
"""
:param coor_query: [x_min, min_z, x_max, y_max]
:return: OSM query result
"""
api = overpy.Overpass()
query_buildings = QUERY_BASE.format("building", coor_query[1],
coor_query[0], coor_query[3],
coor_query[2])
query_successful = False
wait_duration = 2
#wait_duration = 60
result = None
while not query_successful:
try:
result = api.query(query_buildings)
query_successful = True
except overpy.exception.OverpassGatewayTimeout or overpy.exception.OverpassTooManyRequests or ConnectionResetError:
print(
"OSM server overload. Waiting for {} seconds before querying again..."
.format(wait_duration))
time.sleep(wait_duration)
wait_duration *= 2 # Multiply wait time by 2 for the next time
return result
