class Feed [source]
In addition to methods provided by the django.contrib.syndication.views.Feed base class, GeoDjango’s Feed class provides the following overrides. Note that these overrides may be done in multiple ways:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | from django.contrib.gis.feeds import Feedclass MyFeed(Feed): # First, as a class attribute. geometry = ... item_geometry = ... # Also a function with no arguments def geometry(self): ... def item_geometry(self): ... # And as a function with a single argument def geometry(self, obj): ... def item_geometry(self, item): ... |
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geometry(obj)
Takes the object returned by get_object() and returns the feed’s geometry. Typically this is a GEOSGeometry instance, or can be a tuple to represent a point or a box. For example:
1 2 3 4 5 | class ZipcodeFeed(Feed): def geometry(self, obj): # Can also return: `obj.poly`, and `obj.poly.centroid`. return obj.poly.extent # tuple like: (X0, Y0, X1, Y1). |
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item_geometry(item)
Set this to return the geometry for each item in the feed. This can be a GEOSGeometry instance, or a tuple that represents a point coordinate or bounding box. For example:
1 2 3 4 5 | class ZipcodeFeed(Feed): def item_geometry(self, obj): # Returns the polygon. return obj.poly |
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