On Sat, Jun 30, 2012 at 8:19 PM, Nikolas Stevenson-Molnar < nik.mol...@consbio.org> wrote:
> Try a double underscore between distance and lte. > The single underscore is correct: https://docs.djangoproject.com/en/dev/ref/contrib/gis/geoquerysets/#distance-lte But, you need to use a `objects = GeoManager()` on the Restaurants model (as well as the Place model) per the docs: https://docs.djangoproject.com/en/dev/ref/contrib/gis/model-api/#django.contrib.gis.db.models.GeoManager -Ethan > _Nik > > On 6/30/2012 5:18 PM, Odagi wrote: > > Hello all. I'm wondering how to resolve this problem with a > > GeoDjango.This are my models: > > > > > > from django.db import models > > from django.contrib.gis.db import models as geomodels > > from django.contrib.gis.geos import Point > > from django.contrib.gis.measure import D > > > > class Place(geomodels.Model): > > name = models.CharField(max_length=50) > > point = geomodels.PointField(null=True) > > objects = geomodels.GeoManager() > > > > def __unicode__(self): > > return u"%s the place" % self.name > > > > > > class Restaurant(models.Model): > > place = models.OneToOneField(Place, primary_key=True) > > serves_hot_dogs = models.BooleanField() > > serves_pizza = models.BooleanField() > > > > def __unicode__(self): > > return u"%s the restaurant" % self.place.name > > > > > > > > How can I get all Restaurants that serve pizza in a radio of 45km of a > > given (geolocation) point? > > I'm trying something like: > > > > pnt = Point(-34.5875015259, -58.6725006104) > > Restaurant.objects.all().filter(place__point__distance_lte=(pnt, > > D(km=45))) > > > > But it's not working: > > Join on field 'point' not permitted. Did you misspell 'distance_lte' for > the lookup type? > > > > Any ideas? > > Thanks in advance. > > > > > > > > > > -- > > You received this message because you are subscribed to the Google > > Groups "Django users" group. > > To view this discussion on the web visit > > https://groups.google.com/d/msg/django-users/-/eGmII8v1GMMJ. > > To post to this group, send email to django-users@googlegroups.com. > > To unsubscribe from this group, send email to > > django-users+unsubscr...@googlegroups.com. > > For more options, visit this group at > > http://groups.google.com/group/django-users?hl=en. > > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to django-users@googlegroups.com. > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
