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
Exemplo n.º 2
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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
Exemplo n.º 3
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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
Exemplo n.º 5
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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')))
Exemplo n.º 6
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    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)
Exemplo n.º 7
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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")
Exemplo n.º 8
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 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()
Exemplo n.º 9
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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 = []       
Exemplo n.º 11
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    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())
Exemplo n.º 12
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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)
Exemplo n.º 13
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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
Exemplo n.º 14
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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()
Exemplo n.º 15
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    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
Exemplo n.º 18
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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)
Exemplo n.º 19
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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
Exemplo n.º 20
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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
Exemplo n.º 21
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    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)
Exemplo n.º 22
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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()
Exemplo n.º 23
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    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
Exemplo n.º 24
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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
Exemplo n.º 25
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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
Exemplo n.º 26
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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
Exemplo n.º 27
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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
Exemplo n.º 28
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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
Exemplo n.º 29
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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()
Exemplo n.º 30
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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