+
−from django.contrib.gis.db import models
+
−
+
−class SouthTexasCity(models.Model):
+
−    "City model on projected coordinate system for South Texas."
+
−    name = models.CharField(max_length=30)
+
−    point = models.PointField(srid=32140)
+
−    objects = models.GeoManager()
+
−    def __unicode__(self): return self.name
+
−
+
−class SouthTexasCityFt(models.Model):
+
−    "Same City model as above, but U.S. survey feet are the units."
+
−    name = models.CharField(max_length=30)
+
−    point = models.PointField(srid=2278)
+
−    objects = models.GeoManager()
+
−    def __unicode__(self): return self.name
+
−
+
−class AustraliaCity(models.Model):
+
−    "City model for Australia, using WGS84."
+
−    name = models.CharField(max_length=30)
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−    point = models.PointField()
+
−    objects = models.GeoManager()
+
−    def __unicode__(self): return self.name
+
−
+
−class CensusZipcode(models.Model):
+
−    "Model for a few South Texas ZIP codes (in original Census NAD83)."
+
−    name = models.CharField(max_length=5)
+
−    poly = models.PolygonField(srid=4269)
+
−    objects = models.GeoManager()
+
−
+
−class SouthTexasZipcode(models.Model):
+
−    "Model for a few South Texas ZIP codes."
+
−    name = models.CharField(max_length=5)
+
−    poly = models.PolygonField(srid=32140)
+
−    objects = models.GeoManager()
+
−    def __unicode__(self): return self.name
+
−
+
−class Interstate(models.Model):
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−    "Geodetic model for U.S. Interstates."
+
−    name = models.CharField(max_length=10)
+
−    line = models.LineStringField()
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−    objects = models.GeoManager()
+
−    def __unicode__(self): return self.name