Django-1.2.1/django/contrib/gis/tests/geoapp/models.py

   1 from django.contrib.gis.db import models
   2 from django.contrib.gis.tests.utils import mysql, spatialite
   3
   4 # MySQL spatial indices can't handle NULL geometries.
   5 null_flag = not mysql
   6
   7 class Country(models.Model):
   8     name = models.CharField(max_length=30)
   9     mpoly = models.MultiPolygonField() # SRID, by default, is 4326
  10     objects = models.GeoManager()
  11     def __unicode__(self): return self.name
  12
  13 class City(models.Model):
  14     name = models.CharField(max_length=30)
  15     point = models.PointField()
  16     objects = models.GeoManager()
  17     def __unicode__(self): return self.name
  18
  19 # This is an inherited model from City
  20 class PennsylvaniaCity(City):
  21     county = models.CharField(max_length=30)
  22     objects = models.GeoManager() # TODO: This should be implicitly inherited.
  23
  24 class State(models.Model):
  25     name = models.CharField(max_length=30)
  26     poly = models.PolygonField(null=null_flag) # Allowing NULL geometries here.
  27     objects = models.GeoManager()
  28     def __unicode__(self): return self.name
  29
  30 class Track(models.Model):
  31     name = models.CharField(max_length=30)
  32     line = models.LineStringField()
  33     objects = models.GeoManager()
  34     def __unicode__(self): return self.name
  35
  36 if not spatialite:
  37     class Feature(models.Model):
  38         name = models.CharField(max_length=20)
  39         geom = models.GeometryField()
  40         objects = models.GeoManager()
  41         def __unicode__(self): return self.name
  42
  43     class MinusOneSRID(models.Model):
  44         geom = models.PointField(srid=-1) # Minus one SRID.
  45         objects = models.GeoManager()