GeoJSON tile view for Django
Project description
A simple Django view to serve GeoJSON tiles from a GeoDjango model
Description
The view will return a GeoJSON FeatureCollection for each tile. Each feature corresponds to a row of the model.
Setup
pip install django-geojson-tiles
Add the following to your urls.py:
from geojson_tiles.views import GeoJSONTile from your_app import GeometryModel urlpatterns = patterns('', url(r'^your_endpoint/(?P<z>\d+)/(?P<x>\d+)/(?P<y>\d+).json$', GeoJSONTile(GeometryModel, geometry_field='geometry_field', trim_to_boundary=True)) )
Notes
geometry_field='geometry_field' specifies the geometry to use in the feature. If no geometry_field is specified: the first GeometryField in the model’s field set is used.
trim_to_boundary=True will result in GeoJSON tiles with geometries trimmed to the tile boundary
properties=[...] can be used to limit the feature’s properties that are serialized
properties={'field_name': 'property name'} will limit the feature’s properties and map field names (keys) to property names (values).
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