本文整理匯總了Python中django.contrib.gis.measure.D屬性的典型用法代碼示例。如果您正苦於以下問題:Python measure.D屬性的具體用法?Python measure.D怎麽用?Python measure.D使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類django.contrib.gis.measure
的用法示例。
在下文中一共展示了measure.D屬性的15個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: __init__
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def __init__(self, *args, min_value=D(m=10), max_value=D(m=100),
initial_unit="ft", **kwargs):
error_messages = {
"incomplete": "Enter a distance"
}
self.min_value = min_value
self.max_value = max_value
fields = (
FloatField(),
ChoiceField(choices=self.DISTANCE_UNITS,
initial=initial_unit)
)
super().__init__(
fields=fields,
error_messages=error_messages,
require_all_fields=True,
*args, **kwargs
)
self.widget = DistanceWidget(choices=self.DISTANCE_UNITS)
示例2: test_site_restrictions
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def test_site_restrictions(self):
"""
Check that site-specific constraints are checked.
"""
subscription = models.Subscription(
site_name="somerville.cornerwise.gov")
query = add_radius({})
query["r"] = D(ft=10000).m
with self.assertRaises(ValidationError):
subscription.set_validated_query(query)
with self.assertRaises(ValidationError):
subscription.set_validated_query(add_box({}))
query["r"] = "300m"
query["region_name"] = "Tunguska, Krasnoyarsk Krai"
with self.assertRaises(ValidationError):
subscription.set_validated_query(query)
示例3: readable_query
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def readable_query(query, unit="ft"):
# NOTE Not currently used, but may be useful again in the future
if "projects" in query:
if query["project"] == "all":
desc = "Public proposals "
else:
desc = "Private proposals "
else:
desc = "All proposals "
if "text" in query:
desc += "matching \"" + query["text"] + "\" "
if "box" in query:
box = bounds_from_box(query["box"])
sw, ne = poly_bounds(box)
desc += "".join(["inside the region: ",
prettify_point(sw), " and ", prettify_point(ne)])
elif "center" in query:
dist = D(m=query["r"])
return desc
示例4: nel_raggio
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def nel_raggio(self, ricerca):
"""
Filtra una ricerca, per gli elementi nel raggio di questo elemento.
:return: La ricerca filtrata
"""
from formazione.models import CorsoBase
if not self.locazione:
# Check per restituire <QuerySet> dello stesso tipo di oggetto <ricerca>
if ricerca.model is CorsoBase:
return CorsoBase.objects.none()
return self.__class__.objects.none()
q = ricerca.filter(locazione__geo__distance_lte=(self.locazione.geo, D(km=self.raggio)))
return q
示例5: decompress
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def decompress(self, distance):
if not isinstance(distance, D):
distance = D(ft=distance)
return [distance.ft, distance._default_unit]
示例6: compress
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def compress(self, values):
return D(**{values[1]: values[0]})
示例7: get_subscribers
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def get_subscribers(geocoded=[], proposals=[],
region=settings.GEO_REGION,
notify_radius=D(ft=300)):
"""Get the Subscriptions that should be informed about the given geocoded
addresses and/or proposals. Returns a dictionary of Subscriptions to
(address/proposal, Point).
:param geocoded: a list of tuples (address, Point, formatted_address)
:param proposals: a list of Proposals
"""
if not isinstance(notify_radius, D):
notify_radius = D(ft=notify_radius)
def unpack(x):
return (x, x.location) if isinstance(x, Proposal) else (x[0], x[1])
sub_near = defaultdict(list)
for thing, point in map(unpack, chain(proposals, geocoded)):
if notify_radius:
subs = Subscription.objects.filter(
center__distance_lte=(point, notify_radius))
else:
subs = Subscription.objects.containing(point)
for sub in subs:
sub_near[sub].append((thing, point))
return sub_near
示例8: distance_from_str
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def distance_from_str(distance):
if isinstance(distance, str):
m = re.match(distance_patt, distance)
if m:
unit = m.group(2) or "m"
return D(**{unit: float(m.group(1))})
else:
return D(m=float(distance))
示例9: area_description
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def area_description(self, dist_units="ft"):
if self.box:
sw, ne = poly_bounds(self.box)
return ("inside the region bounded by "
f"{prettify_point(sw)} and {prettify_point(ne)}")
if self.center:
dist = round(getattr(D(m=self.radius), dist_units))
return "within {dist} {dist_units} of {where}".format(
dist=dist,
dist_units=dist_units,
where=(self.address or prettify_point(self.center))
)
示例10: _get_nearby_factories
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def _get_nearby_factories(latitude, longitude, radius):
"""Return nearby factories based on position and search range."""
# NOTE: if we use h3 for geoencoding in the future, we can use h3.k_ring():
# ref: https://observablehq.com/@nrabinowitz/h3-radius-lookup
pnt = Point(x=longitude, y=latitude, srid=4326)
pnt.transform(settings.POSTGIS_SRID)
ids = Factory.objects.only("id").filter(point__distance_lte=(pnt, D(km=radius)))
if len(ids) > settings.MAX_FACTORY_PER_GET:
ids = _sample(ids, settings.MAX_FACTORY_PER_GET)
return Factory.objects.filter(id__in=[obj.id for obj in ids])
示例11: test_get_nearby_factories_called_db_correctlly
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def test_get_nearby_factories_called_db_correctlly(self):
lat = 25
lng = 120
radius = 2. # km
pnt = Point(x=lng, y=lat, srid=4326)
pnt.transform(3857)
d = D(km=radius)
# with patch("api.views.utils.Factory.objects.filter") as mock_filter:
# _get_nearby_factories(lat, lng, radius=radius)
# mock_filter.assert_called_once_with(point__distance_lte=(pnt, d))
示例12: test_migration_seed_data_correctly
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def test_migration_seed_data_correctly(self):
pnt = Point(x=120.1, y=23.234, srid=4326)
pnt.transform(3857)
factories = Factory.objects.filter(point__distance_lte=(pnt, D(km=1)))
self.assertEqual(set([factory.name for factory in factories]), set([
"既有違章工廠 No.2",
"既有違章工廠 No.3",
"既有違章工廠 No.8",
"既有違章工廠 No.9",
"既有違章工廠 No.10",
"既有違章工廠 No.11",
"既有違章工廠 No.12",
"既有違章工廠 No.13",
"既有違章工廠 No.22",
]))
示例13: end
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def end(self, end_position=None):
self.rent_end = now()
if end_position is not None:
self.end_position = end_position
elif self.bike.public_geolocation():
self.end_position = self.bike.public_geolocation().geo
self.save()
if self.end_position:
# attach bike to station if location is closer than X meters
# distance is configured in preferences
max_distance = preferences.BikeSharePreferences.station_match_max_distance
station_closer_than_Xm = Station.objects.filter(
location__distance_lte=(self.end_position, D(m=max_distance)),
status="AC",
).first()
if station_closer_than_Xm:
self.bike.current_station = station_closer_than_Xm
self.end_station = station_closer_than_Xm
self.save()
else:
self.bike.current_station = None
# set Bike status back to available
self.bike.availability_status = "AV"
self.bike.save()
try:
# set new non static bike ID, so for GBFS observers can not track this bike
self.bike.non_static_bike_uuid = uuid.uuid4()
self.bike.save()
except IntegrityError:
# Congratulations! The 2^64 chance of uuid4 collision has happend.
# here coul'd be the place for the famous comment: "should never happen"
# So we catch this error here, but don't handle it.
# because don't rotating a uuid every 18,446,744,073,709,551,615 rents is ok
pass
示例14: test02_distance_lookup
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def test02_distance_lookup(self):
"Testing distance lookup support on non-point geography fields."
z = Zipcode.objects.get(code='77002')
cities1 = list(City.objects
.filter(point__distance_lte=(z.poly, D(mi=500)))
.order_by('name')
.values_list('name', flat=True))
cities2 = list(City.objects
.filter(point__dwithin=(z.poly, D(mi=500)))
.order_by('name')
.values_list('name', flat=True))
for cities in [cities1, cities2]:
self.assertEqual(['Dallas', 'Houston', 'Oklahoma City'], cities)
示例15: updatebikelocation
# 需要導入模塊: from django.contrib.gis import measure [as 別名]
# 或者: from django.contrib.gis.measure import D [as 別名]
def updatebikelocation(request):
device_id = request.data.get("device_id")
if not (device_id):
return Response({"error": "device_id missing"}, status=400)
try:
tracker = LocationTracker.objects.get(device_id=device_id)
except LocationTracker.DoesNotExist:
return Response({"error": "tracker does not exist"}, status=404)
serializer = LocationTrackerUpdateSerializer(tracker, data=request.data)
if not serializer.is_valid():
return Response(serializer.errors, status=400)
serializer.save()
lat = request.data.get("lat")
lng = request.data.get("lng")
accuracy = request.data.get("accuracy")
loc = None
if lat and lng:
loc = Location.objects.create(source="TR", reported_at=now())
if tracker.bike:
loc.bike = tracker.bike
loc.geo = Point(float(lng), float(lat), srid=4326)
loc.tracker = tracker
if accuracy:
loc.accuracy = accuracy
loc.save()
if tracker.bike:
bike = tracker.bike
bike.last_reported = now()
if loc:
# check if bike is near station and assign it to that station
# distance ist configured in prefernces
max_distance = preferences.BikeSharePreferences.station_match_max_distance
station_closer_than_Xm = Station.objects.filter(
location__distance_lte=(loc.geo, D(m=max_distance)), status="AC"
).first()
if station_closer_than_Xm:
bike.current_station = station_closer_than_Xm
else:
bike.current_station = None
bike.save()
if not loc:
return Response({"success": True, "warning": "lat/lng missing"})
return Response({"success": True})