def to_representation(self, data):
data = [self.child.to_representation(item) for item in data]
try:
srid = query.get_srid(self.instance)
except AttributeError:
srid = None
return sc.FeatureCollection(features=data, crs=srid)
def __init__(self, queryset, style=None):
table = str(queryset.model._meta.db_table)
field = query.geo_field(queryset)
sref = srs.SpatialReference(query.get_srid(queryset))
layer = mapnik.Layer(table, sref.proj4)
layer.datasource = make_dbsource(
table=table, geometry_field=field.name)
self._layer = layer
self.stylename = style or self._layer.name
self._symbolizer = None
def __init__(self, queryset):
table = str(queryset.model._meta.db_table)
field = query.geo_field(queryset)
sref = srs.SpatialReference(query.get_srid(queryset))
layer = mapnik.Layer(table, sref.proj4)
layer.datasource = make_dbsource(
table=table, geometry_field=field.name)
self._layer = layer
self.stylename = self._layer.name
self._symbolizer = None
def get_paginated_response(self, data):
if hasattr(data, '__geo_interface__'):
paginator = self.page.paginator
crs = NamedCRS(query.get_srid(paginator.object_list))
data.update({'count': paginator.count,
'next': self.get_next_link(),
'previous': self.get_previous_link(),
'crs': crs})
return Response(data)
return super(FeaturePagination, self).get_paginated_response(data)
def get_paginated_response(self, data):
if hasattr(data, '__geo_interface__'):
paginator = self.page.paginator
crs = NamedCRS(query.get_srid(paginator.object_list))
data.update({
'count': paginator.count,
'next': self.get_next_link(),
'previous': self.get_previous_link(),
'crs': crs
})
return Response(data)
return super(FeaturePagination, self).get_paginated_response(data)
def __init__(self, queryset, style=None):
table = str(queryset.model._meta.db_table)
field = query.geo_field(queryset)
sref = srs.SpatialReference(query.get_srid(queryset))
layer = mapnik.Layer(table, sref.proj4)
ds = make_dbsource(table=table, geometry_field=field.name)
# During tests, the spatialite layer statistics are not updated and
# return an invalid layer extent. Set it from the queryset.
if not ds.envelope().valid():
ex = ','.join(map(str, queryset.extent()))
ds = make_dbsource(table=table, geometry_field=field.name,
extent=ex)
layer.datasource = ds
self._layer = layer
self.stylename = style or self._layer.name
self._symbolizer = None
def __init__(self, queryset, style=None):
table = str(queryset.model._meta.db_table)
field = query.geo_field(queryset)
sref = srs.SpatialReference(query.get_srid(queryset))
layer = mapnik.Layer(table, sref.proj4)
ds = make_dbsource(table=table, geometry_field=field.name)
# During tests, the spatialite layer statistics are not updated and
# return an invalid layer extent. Set it from the queryset.
if not ds.envelope().valid():
ex = ','.join(map(str, queryset.extent()))
ds = make_dbsource(table=table,
geometry_field=field.name,
extent=ex)
layer.datasource = ds
self._layer = layer
self.stylename = style or self._layer.name
self._symbolizer = None
