def test_queryAreaIDFormatRelation():
q = overpassQueryBuilder(area=3600415473, elementType='node')
assert q == overpassQueryBuilder(area='relation/415473',
elementType='node')
assert q == overpassQueryBuilder(area='relation 415473',
elementType='node')
assert q == overpassQueryBuilder(area='r415473', elementType='node')
def query_construction(search_area):
nominatim_query=Nominatim().query(search_area)
query_01=overpassQueryBuilder(area=nominatim_query.areaId(),elementType=['node','way','relation'], selector=["military"],includeGeometry=True)
query_02=overpassQueryBuilder(area=nominatim_query.areaId(),elementType=['node','way','relation'], selector='"landuse"="military"',includeGeometry=True)
result_01=Overpass().query(query_01)
result_02=Overpass().query(query_02)
print("Pronađeno ukupno "+str(result_01.countElements())+" 'military' objekta")
print("Pronađeno ukupno "+str(result_02.countElements())+" 'landuse=military' objekta")
results=[result_01,result_02]
return results
def get_OSM():
nominatim = Nominatim()
overpass = Overpass()
areaId = nominatim.query('Montreal, Canada').areaId()
query = overpassQueryBuilder(
area=areaId, elementType='node',
selector=['shop']) + overpassQueryBuilder(
area=areaId, elementType='node', selector='amenity')
result = overpass.query(query)
db = db_from_OSM(result)
db_tags = list_tags(db)
return db, db_tags
def fetch(year, city, typeOfRoad):
areaId = nominatim.query(city).areaId()
query = overpassQueryBuilder(area=areaId,
elementType='way',
selector='"highway"="' + typeOfRoad + '"',
out='count')
return overpass.query(query, date=year, timeout=60).countElements()
def query_overpass(area_id, query_statement, element_type='node'):
# Query Overpass based on area
overpass = Overpass()
query = overpassQueryBuilder(area=area_id,
elementType=element_type,
selector=query_statement)
return overpass.query(query)
def main():
"""Main function to create the output file"""
nominatim = Nominatim()
overpass = Overpass()
config = configparser.ConfigParser()
config.read('configuration')
area_id = nominatim.query('Italia').areaId()
html_string = ""
for operator in ast.literal_eval(config.get("MAPPING", "operators")):
#create folders for needed saving operations later
if not os.path.exists("./home_to_destination/{}".format(operator)):
os.mkdir("./home_to_destination/{}".format(operator))
if not os.path.exists("./routes/{}".format(operator)):
os.mkdir("./routes/{}".format(operator))
operator_parameter = '"operator" = "{}"'.format(operator)
query = overpassQueryBuilder(area=area_id,
elementType='rel',
selector=operator_parameter,
out='body')
result = overpass.query(query, timeout=600)
html_string += HTML.main_output_generation(
config['MAPPING']['address'], result, operator)
html_file = open("output.html", "w")
html_file.write(html_string)
html_file.close()
def countBuildingsInAreaID(self, area_id: int) -> int:
buildings_query = overpassQueryBuilder(area=area_id,
elementType=['way'],
selector="building",
out='count')
buildings_res = self.overpass.query(buildings_query)
return buildings_res.countWays()
def fetch(year, city):
areaId = nominatim.query(city).areaId()
query = overpassQueryBuilder(area=areaId,
elementType='node',
selector='"natural"="tree"',
out='count')
return overpass.query(query, date=year, timeout=60).countElements()
def fetch(typeOfRoad):
areaId = nominatim.query("Lyon").areaId()
query = overpassQueryBuilder(area=areaId,
elementType='way',
selector=typeOfRoad,
out='body',
includeGeometry=True)
return overpass.query(query)
def get_OSM():
nominatim = Nominatim()
overpass = Overpass()
areaId = nominatim.query('Le Plateau Mont Royal').areaId()
query = overpassQueryBuilder(area=areaId, elementType=['way'])
result = overpass.query(query)
db = db_from_OSM(result)
return db
def fetch(year, city, typeOfShop):
areaId = nominatim.query(city).areaId()
query = overpassQueryBuilder(area=areaId,
elementType='way',
selector='"shop"="' + typeOfShop + '"',
out='count')
x = overpass.query(query, date=year, timeout=30).countElements()
assert x >= 0
return x
def segment(lat, long):
"""
Main function defining the segment in wich the point is
:param long: coords
:param lat: coords
:return: two way-objects such as our point is in between these two ways, and the road between them, and the main road
(for later uses)
"""
long, lat = lat, long
point = np.array([long, lat])
bbox, id, name = geo_to_way_info(long, lat)
query = overpassQueryBuilder(bbox=bbox,
elementType=['way'],
selector=['highway', 'name'],
includeGeometry=True)
result = Overpass().query(query)
for x in result.elements():
if x.id() == id:
closet_road = x
IWW_list = []
for x in result.elements():
if x.id() != id and x.tags()['name'] != name:
cc = closest_point_on_way(closet_road.geometry()["coordinates"],
x.geometry()["coordinates"])
dtm = np.linalg.norm(point - cc)
IWW_list.append(IWW(x, dtm, cc))
IWW_list.sort(
key=lambda x: x.dtm
) #sorting the crossing road by distance crossing-point to center of interest
result1 = IWW_list[
0] #first segmentation is done by the closest crossing road
for iww in IWW_list: #second one is done by the closest crossing road having the dot product negative (please refer to the presentation)
if iww.obj != result1.obj:
if np.dot(result1.cc - point, iww.cc - point) < 0:
result2 = iww
break
new_geometry = []
bool_add = False
for point in closet_road.geometry(
)["coordinates"]: #we compute the geometry of the segmented road, usefull for next objectives
point = np.array([point[1], point[0]])
if np.array_equal(point, result1.cc) or np.array_equal(
point, result2.cc):
bool_add = not (bool_add)
if bool_add:
new_geometry.append(point)
closet_road_geom = []
for x in closet_road.geometry()["coordinates"]:
closet_road_geom.append(np.array([x[1], x[0]]))
return result1, result2, new_geometry, closet_road_geom
def getOsmGeoObjects(self, areaId, selector, elementType:OsmType):
"""
sends overpass-query and return the elements from the json response
"""
overpass = Overpass()
# out='geom' also leads to geometry key (list of coordinates for each object)
query = overpassQueryBuilder(
area=areaId, elementType=elementType.value, selector=selector, out='geom')
return overpass.query(query).toJSON()["elements"]
def fetchFeatures(areaId, osmkey, osmtype):
overpass = Overpass()
query = overpassQueryBuilder(area=areaId,
elementType=['node', 'way', 'relation'],
selector='"' + osmkey + '"="' + osmtype + '"',
includeGeometry=True,
out='center meta')
logging.debug("OSM query: %s", query)
return overpass.query(query, timeout=60)
def obtain_square_portion(corner1, corner3, corner2, corner4):
overpass = Overpass()
query = overpassQueryBuilder(bbox=[corner1, corner2, corner3, corner4],
elementType='way',
selector='"junction"',
out="body geom")
result = overpass.query(query)
road_coords = []
for element in result.elements():
road_coords.append(element.geometry()['coordinates'])
return road_coords
def create_query(line_number, city_name):
line_num = ('"ref" = "' + line_number + '"')
query = overpassQueryBuilder(area=nominatim.query(city_name).areaId(),
elementType=['node', 'way', 'relation'],
selector=['"route"="subway"', line_num],
out='body;>;out skel qt')
print(" +++query for line ", line_number, " in ", city_name)
print(query)
print(" +++\n")
return query
def boundbox(Key, Value, box):
#nominatim = Nominatim()
print(box)
overpass = Overpass()
query = overpassQueryBuilder(bbox=box,
elementType=['node', 'way', 'relation'],
selector=f'"{Key}"="{Value}"',
includeGeometry=True)
print(query)
result = overpass.query(query, timeout=250)
result = result.toJSON()
return result
def query(Key, Value, Location):
nominatim = Nominatim()
areaId = nominatim.query(f'{Location}').areaId()
overpass = Overpass()
query = overpassQueryBuilder(area=areaId,
elementType=['node', 'way', 'relation'],
selector=f'"{Key}"="{Value}"',
includeGeometry=True)
print("querying OSM")
result = overpass.query(query, timeout=250)
result = result.toJSON()
return result
def segment(long, lat):
"""
Main function defining the segment in wich the point is
:param long: coords
:param lat: coords
:return: two way-objects such as our point is in between these two ways
"""
point = np.array([long, lat])
bbox, id, name = geo_to_way_info(long, lat)
query = overpassQueryBuilder(bbox=bbox,
elementType=['way'],
selector=['highway', 'name'],
includeGeometry=True)
result = Overpass().query(query)
for x in result.elements():
if x.id() == id:
closet_road = x
IWW_list = []
for x in result.elements():
if x.id() != id and x.tags()['name'] != name:
cc = closest_point_on_way(closet_road.geometry()["coordinates"],
x.geometry()["coordinates"])
dtm = np.linalg.norm(point - cc)
IWW_list.append(IWW(x, dtm, cc))
IWW_list.sort(key=lambda x: x.dtm)
result1 = IWW_list[0]
for iww in IWW_list:
if iww.obj != result1.obj:
if np.dot(result1.cc - point, iww.cc - point) < 0:
result2 = iww
break
new_geometry = []
bool_add = False
for point in closet_road.geometry()["coordinates"]:
point = np.array([point[1], point[0]])
if np.array_equal(point, result1.cc) or np.array_equal(
point, result2.cc):
bool_add = not (bool_add)
if bool_add:
new_geometry.append(point)
closet_road_geom = []
for x in closet_road.geometry()["coordinates"]:
closet_road_geom.append(np.array([x[1], x[0]]))
return result1, result2, new_geometry, closet_road_geom
def get_pharmacy(overpass, bbox):
query = overpassQueryBuilder(bbox=bbox,
elementType='node',
selector='"amenity"="pharmacy"',
includeGeometry=True,
out='body')
result = overpass.query(query)
output = {}
for x in result.elements():
nodeID = x.id()
shopName = x.tag('name')
coord = [x.lat(), x.lon()]
output[nodeID] = [shopName, coord]
return output
def get_BART(overpass, bbox):
query = overpassQueryBuilder(
bbox=bbox,
elementType='node',
selector=['"network" = "BART"', '"railway"="station"'],
includeGeometry=True,
out='body')
result = overpass.query(query)
output = {}
for x in result.elements():
nodeID = x.id()
stopName = x.tag('name')
coord = [x.lat(), x.lon()]
output[nodeID] = [stopName, coord]
return output
def get_bus_stops(overpass, bbox):
query = overpassQueryBuilder(bbox=bbox,
elementType='node',
selector='"highway"="bus_stop"',
includeGeometry=True,
out='body')
result = overpass.query(query)
output = {}
for x in result.elements():
nodeID = x.id()
stopName = x.tag('name')
routes = x.tag('route_ref')
coord = [x.lat(), x.lon()]
output[nodeID] = [stopName, routes, coord]
return output
def download_osm(area_name):
""" Given an area name, download corresponding OSM elements """
# Get area id
nomanatim = Nominatim()
area_id = nomanatim.query(area_name).areaId()
# Form and ask query
overpass = Overpass()
query = overpassQueryBuilder(area=area_id, elementType=['way', 'node'], out='body')
osm_data = overpass.query(query, timeout=600)
# Display results
utils.display_results(osm_data)
# Keep elements (ways and nodes) in JSON format
elements = osm_data.toJSON()['elements']
return elements
def _queryOSM(self, **kwargs) -> None:
"""Query OSM and load data into self._elements_dict
Keyword args:
name (str): Element type.
tag (str): Element tag.
topology (str): Element topology.
"""
if not self._bbox:
raise ValueError("Bounding Box not loaded.")
self._elements_dict[kwargs["name"]] = []
for t in kwargs["tag"]:
query = overpassQueryBuilder(
bbox=self._bbox,
selector=t,
elementType=kwargs["topology"],
includeGeometry=True,
)
while True:
try:
results = self._overpass.query(
query,
timeout=self._timeout,
)
break
except Exception as _:
# OFC they couldn't raise proper exceptions.
# this exceptions is a "generic" exception.
logging.error(
f"Trying again in {self._try_again} seconds...")
sleep(self._try_again)
if not results.elements():
continue
if "node" in kwargs["topology"]:
self._elements_dict[kwargs["name"]].extend(results.nodes())
elif any(t in ["way", "area"] for t in kwargs["topology"]):
self._elements_dict[kwargs["name"]].extend(results.ways())
def fetch_osm(bbox, osm_value="motorway", osm_key="highway"):
"""
Fetches OSM road data from the OverpassAPI.
:param bbox: array-like of four coordinates: miny, minx, maxy, maxx.
:param osm_value: str specifies the OSM value to be retrieved.
:param osm_key: str specifies the OSM key to be retrieved.
:return: gpd.GeoDataFrame
"""
element_type = ["way", "relation"]
bbox_osm = buffer_bbox(bbox)
quot = '"'
select = quot + osm_key + quot + "=" + quot + osm_value + quot
select_link = select.replace(osm_value,
osm_value + "_link") # also get road links
select_junction = select.replace(osm_value, osm_value + "_junction")
geoms = []
for selector in [select, select_link, select_junction]:
query = overpassQueryBuilder(bbox=bbox_osm,
elementType=element_type,
selector=selector,
out="body",
includeGeometry=True)
try:
elements = Overpass().query(query, timeout=120).elements()
except Exception: # type?
elements = []
Warning("Could not download OSM data")
# create multiline of all elements
if len(elements) > 0:
for i in range(len(elements)):
elem = elements[i]
try:
geoms.append(elem.geometry())
except Exception:
continue
else:
Warning("Could not retrieve " + select)
if len(geoms) > 0:
lines = gpd.GeoDataFrame(crs="EPSG:4326", geometry=geoms)
n = len(geoms)
lines["osm_value"] = [osm_value] * n # add road type
return lines
def GetOSMWaysData(box):
overpass = Overpass()
query = overpassQueryBuilder(
bbox=[box.latMin, box.lonMin, box.latMax, box.lonMax],
elementType='way',
out='body')
try:
ways = overpass.query(query)
except:
Log.logging.error("In OSMPythonToolsHandler.py, GetOSMWaysData",
exc_info=True)
return False
if ways._json['elements'] == []:
box.lonMin -= 0.5
box.latMin -= 0.5
box.lonMax += 0.5
box.latMax += 0.5
GetOSMWaysData(box)
else:
StoreWaysData(ways._json['elements'])
return True
def getBuildingsInVillage(self, village_row_df: pd.DataFrame) -> any:
# Build the query
building_query = overpassQueryBuilder(
area=village_row_df['area_id'].values[0],
elementType='way',
selector="building",
out="geom")
# Make the query
building_res = self.overpass.query(building_query)
# Transform response into json
building_json = building_res.toJSON()
new_building_data = []
# Loop throught the elements in the response
for ele in building_json['elements']:
geo_df = pd.DataFrame.from_records(ele['geometry'])
poly = Polygon(zip(geo_df['lon'], geo_df['lat']))
point = Point(poly.centroid.x, poly.centroid.y)
boudary_lat = str(geo_df['lat'].tolist())
boudary_lon = str(geo_df['lon'].tolist())
ele_row = [
ele.get('id', 0), # osm_id
ele.get('type', ''), # type
village_row_df['district'].values[0], # district
village_row_df['name'].values[0], # village
str(poly.centroid.y), # lat
str(poly.centroid.x), # lon
str(poly.length * self.DEG_to_KM), # perim
str(poly.area * self.DEG_to_KM2), # area
boudary_lat, # boudary_lat
boudary_lon, # boudary_lon
poly, # polygon
point, # point
]
new_building_data.append(ele_row)
return new_building_data
def __init__(self,
areaName: str,
elementsToUse: OsmObjectType = OsmObjectType.NODE):
assert (self.osmSelector)
areaId = Nominatim().query(areaName).areaId()
query = overpassQueryBuilder(area=areaId,
elementType=elementsToUse.value,
selector=self.osmSelector,
out='geom')
osmObjects = Overpass().query(query).toJSON()["elements"]
self.dataSource = osmObjectsToGeoJSON(osmObjects,
polygonize=True)["features"]
shapeGeoms = []
for loc in self.dataSource:
shapeGeom = shape(loc["geometry"])
shapeGeom.properties = loc["properties"]
shapeGeoms.append(shapeGeom)
self.shapeIndex = STRtree(shapeGeoms)
def get_osm(bbox,
osm_value="motorway",
osm_key="highway",
ref_arr=None):
element_type = ["way", "relation"]
bbox_osm = buffer_bbox(bbox, ref_arr)
quot = '"'
select = quot + osm_key + quot + "=" + quot + osm_value + quot
select_link = select.replace(osm_value, osm_value + "_link") # also get road links
select_junction = select.replace(osm_value, osm_value + "_junction")
geoms = []
for selector in [select, select_link, select_junction]:
query = overpassQueryBuilder(bbox=bbox_osm,
elementType=element_type,
selector=selector,
out="body",
includeGeometry=True)
try:
elements = Overpass().query(query, timeout=120).elements()
except Exception:
elements = []
Warning("Could not download OSM data")
# create multiline of all elements
if len(elements) > 0:
for i in range(len(elements)):
elem = elements[i]
try:
geoms.append(elem.geometry())
except Exception:
continue
Warning("Could not retrieve " + select)
if len(geoms) > 0:
lines = gpd.GeoDataFrame(crs="EPSG:4326", geometry=geoms)
n = len(geoms)
lines["osm_value"] = [osm_value] * n # add road type
return lines
else:
return []
def assertForQueryResult(minElements=100, overpassKwargs={}, **kwargs):
print(kwargs)
overpass = Overpass()
y = overpass.query(overpassQueryBuilder(**kwargs), **overpassKwargs)
assert y.isValid()
assert len(y.elements()) > minElements
assert len(y.elements()) == y.countElements()
assert len(y.nodes()) >= 0
assert len(y.nodes()) == y.countNodes()
assert len(y.ways()) >= 0
assert len(y.ways()) == y.countWays()
assert len(y.relations()) >= 0
assert len(y.relations()) == y.countRelations()
assert len(y.areas()) >= 0
assert len(y.areas()) == y.countAreas()
assert y.countNodes() + y.countWays() + y.countRelations() + y.countAreas(
) == y.countElements()
assert y.toJSON()
assert y.version() > 0
assert y.generator()
assert y.timestamp_osm_base()
assert y.copyright()
return y
