|
import os
from django.contrib.gis.db import models
from django.conf import settings
class Layer(models.Model):
name = models.CharField(max_length=50,unique=True)
def __unicode__(self):
return u"%s" % (self.name)
class Feature(models.Model):
fid = models.AutoField(primary_key=True)
layer = models.ForeignKey(Layer)
geom = models.PolygonField(srid=4326)
objects = models.GeoManager()
def __unicode__(self):
return u"Feature %d of layer %s" % (self.fid, self.layer)
class Attribute(models.Model):
key = models.CharField(max_length=50)
value = models.TextField()
feature = models.ForeignKey(Feature)
def __unicode__(self):
return u"%s::%s" % (self.key,self.value)
rastdir = os.path.abspath(os.path.join(settings.MEDIA_ROOT, "xyquery_rasters"))
if not os.path.exists(rastdir):
os.mkdir(rastdir)
class Raster(models.Model):
layer = models.ForeignKey(Layer)
filepath = models.FilePathField(path=rastdir, recursive=True)
def __unicode__(self):
return u"Raster layer %s" % (self.layer)
|
