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from django.contrib.gis.db import models
class NamedModel(models.Model):
name = models.CharField(max_length=30)
class Meta:
abstract = True
def __str__(self):
return self.name
class City3D(NamedModel):
point = models.PointField(dim=3)
pointg = models.PointField(dim=3, geography=True)
class Meta:
required_db_features = {"supports_3d_storage"}
class Interstate2D(NamedModel):
line = models.LineStringField(srid=4269)
class Interstate3D(NamedModel):
line = models.LineStringField(dim=3, srid=4269)
class Meta:
required_db_features = {"supports_3d_storage"}
class InterstateProj2D(NamedModel):
line = models.LineStringField(srid=32140)
class InterstateProj3D(NamedModel):
line = models.LineStringField(dim=3, srid=32140)
class Meta:
required_db_features = {"supports_3d_storage"}
class Polygon2D(NamedModel):
poly = models.PolygonField(srid=32140)
class Polygon3D(NamedModel):
poly = models.PolygonField(dim=3, srid=32140)
class Meta:
required_db_features = {"supports_3d_storage"}
class SimpleModel(models.Model):
class Meta:
abstract = True
class Point2D(SimpleModel):
point = models.PointField(null=True)
class Point3D(SimpleModel):
point = models.PointField(dim=3)
class Meta:
required_db_features = {"supports_3d_storage"}
class MultiPoint3D(SimpleModel):
mpoint = models.MultiPointField(dim=3)
class Meta:
required_db_features = {"supports_3d_storage"}
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