def pois(request):
"""
Returns geojson with Points of Points of interests with given type.
Geojson has these properties:
* has_photo
* has_article
Request parameters:
* type - type of points
"""
type_ = int(request.GET['type'])
pois = Poi.objects.filter(type__exact=type_).exclude(active__exact=False)
resp = render_to_geojson(pois, settings.SNP_SRID, properties=('has_photo', 'has_article'))
return HttpResponse(resp, mimetype='application/json')
def _generate_data_source_from_json(self, query_set, **kwargs): """Generates DataSource based on json generated with render_to_geojson() shortcut. Has the same parameters as render_to_geojson() """ json = render_to_geojson(query_set, **kwargs) json_fname = '%s/test_poi_render_to_json%s.geojson' % (self.TMP_DIR, int(time.time())) self.geojson = json json_file = open(json_fname, 'w') try: json_file.write(json) finally: json_file.close() return DataSource(json_fname)
def ownership(request):
# Get the current user form the request
# @todo Move this filter to model
qs = VgOwners.objects.filter(activated=True)
bbox = ast.literal_eval(
'(%s)' % (request.GET.get('bbox', '-160, -89, 160, 89')))
polygon = Polygon.from_bbox(bbox)
polygon.set_srid(4326)
polygon.transform(900913)
json = render_to_geojson(
qs,
projection=4326,
properties=[('name', 'name'), ('theme', 'theme')],
#extent=polygon
)
return HttpResponse(json, content_type=u'application/json')
def ownership(request):
# Get the current user form the request
# @todo Move this filter to model
qs = VgOwners.objects.filter(activated=True)
bbox = ast.literal_eval('(%s)' %
(request.GET.get('bbox', '-160, -89, 160, 89')))
polygon = Polygon.from_bbox(bbox)
polygon.set_srid(4326)
polygon.transform(900913)
json = render_to_geojson(
qs,
projection=4326,
properties=[('name', 'name'), ('theme', 'theme')],
#extent=polygon
)
return HttpResponse(json, content_type=u'application/json')
def snppath(request):
"""
Returns geojson with StringLines of SNP path intersecting with bbox.
"""
try:
geom_simplify = int(request.GET['simplify'])
except KeyError:
geom_simplify = None
try:
bbox = map(lambda x: float(x), request.GET['bbox'].split(','))
bbox_poly = Polygon.from_bbox(bbox)
bbox_poly.srid = settings.SNP_SRID
to_srid = Path.objects.all()[0].the_geom.srid
bbox_poly.transform(to_srid)
except (KeyError, IndexError):
bbox_poly = None
resp = render_to_geojson(Path.objects.all(), settings.SNP_SRID, geom_simplify, bbox_poly,
properties=())
return HttpResponse(resp, mimetype='application/json')
