OGC WFS for Django released on GitHub
January 31st, 2012 | Posted by in UncategorizedThe project can be found at https://github.com/JeffHeard/ga_ows
Core to Geoanalytics are the Open Geographic Consortium’s Open Web Services. ga_ows is a reusable GeoDjango webapp that provides you the ability to expose GeoDjango models and Python objects as geographic webservices.
A geographic webservice allows you to access data in your GeoDjango models by bounding box and other filters; these data can then be imported into other geographic databases, or perhaps more importantly as layers on a map. For layering WFS services, see the OpenLayers project .
How does it work? OWS is based on Django’s class-based generic views. The following in your urls.py will create a WFS service for a the models in your app:
from ga_ows.views.wfs import WFS
from myapp import models as m
urlpatterns = patterns('',
# ...
url(r'^wfs/?', WFS.as_view(
models=[m.MyModel1, m.MyModel2], # everything but this is optional.
title='My app\'s WFS',
keywords=['some','keywords'],
fees='one dollar',
provider_name='RENCI',
addr_street='100 Europa Dr. ste 529',
addr_city='Chapel Hill',
addr_admin_area='NC',
addr_postcode='27515',
addr_country='USA',
addr_email='jeff@renci.org'
)),
# ...
)
This will create a WFS endpoint at $django_server/$myapp_root/wfs that serves up features in GML and any of the formats that support the creation of single-file dataset in OGR_ (note that for now this means shapefiles are not supported for output since they require multiple files, although they will be in the near future).
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