app/django/contrib/gis/tests/layermap/models.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sun, 25 Jan 2009 16:28:07 +0000
changeset 987 6fd5c561b446
parent 323 ff1a9aa48cfd
permissions -rw-r--r--
Cache sidebar with a simple caching API We cache the sidebar once for every user, the downside is that once the user meets new access criteria, their sidebar does not get updated. This can be fixed by calling soc.cache.sidebar.flush() when appropriate. Patch by: Sverre Rabbelier

from django.contrib.gis.db import models

class State(models.Model):
    name = models.CharField(max_length=20)
    objects = models.GeoManager()

class County(models.Model):
    name = models.CharField(max_length=25)
    state = models.ForeignKey(State)
    mpoly = models.MultiPolygonField(srid=4269) # Multipolygon in NAD83
    objects = models.GeoManager()

class CountyFeat(models.Model):
    name = models.CharField(max_length=25)
    poly = models.PolygonField(srid=4269)
    objects = models.GeoManager()

class City(models.Model):
    name = models.CharField(max_length=25)
    population = models.IntegerField()
    density = models.DecimalField(max_digits=7, decimal_places=1)
    dt = models.DateField()
    point = models.PointField()
    objects = models.GeoManager()

class Interstate(models.Model):
    name = models.CharField(max_length=20)
    length = models.DecimalField(max_digits=6, decimal_places=2)
    path = models.LineStringField()
    objects = models.GeoManager()

# Mapping dictionaries for the models above.
co_mapping = {'name' : 'Name',
              'state' : {'name' : 'State'}, # ForeignKey's use another mapping dictionary for the _related_ Model (State in this case).
              'mpoly' : 'MULTIPOLYGON', # Will convert POLYGON features into MULTIPOLYGONS.
              }

cofeat_mapping = {'name' : 'Name',
                  'poly' : 'POLYGON',
                  }

city_mapping = {'name' : 'Name',
                'population' : 'Population',
                'density' : 'Density',
                'dt' : 'Created',
                'point' : 'POINT',
                }

inter_mapping = {'name' : 'Name',
                 'length' : 'Length',
                 'path' : 'LINESTRING',
                 }