On May 28, 5:52 pm, Ariel Nunez <ingenieroar...@gmail.com> wrote:
> On Thu, May 28, 2009 at 4:12 PM, nbv4 <cp368...@ohio.edu> wrote:
>
> > I have this model:
> > ------------------------
> > from django.contrib.gis.db import models
>
> > class Base(models.Model):
> > identifier = models.CharField(max_length=8,
> > primary_key=True)
> > local = models.CharField(max_length=8)
> > iata = models.CharField(max_length=8)
> > name = models.CharField(max_length=96)
> > location = models.PointField()
>
> > ------------------------
>
> *This(or similar) may work:*
>
> *
> *
>
> >>>from django.contrib.gis.gdal.envelope import Envelope
> >>>bbox=Envelope((-104.609252, 29.763374, -95.23506, 38.971823))
>
> *>>>Base.objects.filter(location__intersects=bbox)*
>
> Ariel.
doesn't seem to work :(
>>> W = 39.9; N = -82.9; E=40.4; S=-82.2
>>> bounds = Envelope((N, W, S, E, ))
>>> Base.objects.filter(location__intersects=bounds)
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/var/lib/python-support/python2.6/django/db/models/
manager.py", line 102, in filter
return self.get_query_set().filter(*args, **kwargs)
File "/var/lib/python-support/python2.6/django/db/models/query.py",
line 489, in filter
return self._filter_or_exclude(False, *args, **kwargs)
File "/var/lib/python-support/python2.6/django/db/models/query.py",
line 507, in _filter_or_exclude
clone.query.add_q(Q(*args, **kwargs))
File "/var/lib/python-support/python2.6/django/db/models/sql/
query.py", line 1258, in add_q
can_reuse=used_aliases)
File "/var/lib/python-support/python2.6/django/db/models/sql/
query.py", line 1119, in add_filter
elif (value == '' and lookup_type == 'exact' and
File "/var/lib/python-support/python2.6/django/contrib/gis/gdal/
envelope.py", line 78, in __eq__
raise OGRException('Equivalence testing only works with other
Envelopes.')
OGRException: Equivalence testing only works with other Envelopes.
--~--~---------~--~----~------------~-------~--~----~
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
-~----------~----~----~----~------~----~------~--~---
