def get_feature_info(self, wherex, wherey, layers, callback, format, feature_count, srs, filter):
if type(srs) is int:
kind='srid'
elif srs.upper().startswith('EPSG'):
kind=None
elif srs.startswith('-') or srs.startswith('+'):
kind='proj'
else:
kind='wkt'
s_srs = create_spatialref(srs, srs_format=kind)
t_srs = self.dataset.GetSpatialRef()
crx = osr.CoordinateTransformation(s_srs, t_srs)
wherex, wherey, _0 = crx.TransformPoint(wherex, wherey, 0)
if not filter:
for layer in layers:
l = self.dataset.GetLayerByName(layer)
l.ResetReading()
l.SetSpatialFilterRect(wherex, wherey, wherex+0.0001, wherey+0.0001)
return [f for f in l]
else:
for layer in layers:
l = self.dataset.GetLayerByName(layer)
l.ResetReading()
l.SetSpatialFilterRect(wherex, wherey, wherex+0.0001, wherey+0.0001)
return [f for f in l] # TODO apply filter.
def get_feature_info(self, wherex, wherey, layers, callback, format,
feature_count, srs, filter):
if type(srs) is int:
kind = 'srid'
elif srs.upper().startswith('EPSG'):
kind = None
elif srs.startswith('-') or srs.startswith('+'):
kind = 'proj'
else:
kind = 'wkt'
s_srs = create_spatialref(srs, srs_format=kind)
t_srs = self.dataset.GetSpatialRef()
crx = osr.CoordinateTransformation(s_srs, t_srs)
wherex, wherey, _0 = crx.TransformPoint(wherex, wherey, 0)
if not filter:
for layer in layers:
l = self.dataset.GetLayerByName(layer)
l.ResetReading()
l.SetSpatialFilterRect(wherex, wherey, wherex + 0.0001,
wherey + 0.0001)
return [f for f in l]
else:
for layer in layers:
l = self.dataset.GetLayerByName(layer)
l.ResetReading()
l.SetSpatialFilterRect(wherex, wherey, wherex + 0.0001,
wherey + 0.0001)
return [f for f in l] # TODO apply filter.
def get_feature_info(self, wherex, wherey, layers, callback, format,
feature_count, srs, filter):
if type(srs) is int:
kind = 'srid'
elif srs.upper().startswith('EPSG'):
kind = None
elif srs.startswith('-') or srs.startswith('+'):
kind = 'proj'
else:
kind = 'wkt'
s_srs = create_spatialref(srs, srs_format=kind)
t_srs = self.cls.srs
crx = osr.CoordinateTransformation(s_srs, t_srs)
wherex, wherey, _0 = crx.TransformPoint(wherex, wherey, 0)
if not filter:
return [
self.cls.objects.filter({
layer + "__contains":
g.Point(wherex, wherey)
}).limit(feature_count).values() for layer in layers
]
else:
return [
self.cls.objects.filter({
layer + "__contains":
g.Point(wherex, wherey)
}).filter(**filter).limit(feature_count).values()
for layer in layers
]
def get_feature_info(self, wherex, wherey, layers, callback, format, feature_count, srs, filter):
if type(srs) is int:
kind='srid'
elif srs.upper().startswith('EPSG'):
kind=None
elif srs.startswith('-') or srs.startswith('+'):
kind='proj'
else:
kind='wkt'
s_srs = create_spatialref(srs, srs_format=kind)
t_srs = self.cls.srs
crx = osr.CoordinateTransformation(s_srs, t_srs)
wherex, wherey, _0 = crx.TransformPoint(wherex, wherey, 0)
if not filter:
return [self.cls.objects.filter({ layer + "__contains" : g.Point(wherex, wherey) }).limit(feature_count).values() for layer in layers]
else:
return [self.cls.objects.filter({ layer + "__contains" : g.Point(wherex, wherey) }).filter(**filter).limit(feature_count).values() for layer in layers]
def get_feature_info(self, wherex, wherey, srs, query_layers, info_format, feature_count, exceptions, *args, **kwargs):
if type(srs) is int:
kind='srid'
elif srs.upper().startswith('EPSG'):
kind=None
elif srs.startswith('-') or srs.startswith('+'):
kind='proj'
else:
kind='wkt'
s_srs = create_spatialref(srs, srs_format=kind)
t_srs = self.cls.srs
crx = osr.CoordinateTransformation(s_srs, t_srs)
wherex, wherey, _0 = crx.TransformPoint(wherex, wherey, 0)
if info_format == 'application/json':
return HttpResponse(serializers.serialize('json', [self.cls.objects.filter({ layer + "__contains" : g.Point(wherex, wherey) }).limit(feature_count) for layer in query_layers]), mimetype='application/json')
elif info_format == 'application/jsonp':
return HttpResponse(kwargs['callback'] + '(' + serializers.serialize('json', [self.cls.objects.filter({ layer + "__contains" : g.Point(wherex, wherey) }).limit(feature_count) for layer in query_layers]) + ')', mimetype='application/jsonp')
def layer_description(**kwargs):
validate = _dict_from_valid(name='', title='', srs='', minx=-180.0, miny=-90.0, maxx=180.0, maxy=90.0, styles=[])
cfg = validate(kwargs)
if type(cfg['srs']) is int:
kind='srid'
elif cfg['srs'].upper().startswith('EPSG'):
kind=None
elif cfg['srs'].startswith('-') or cfg['srs'].startswith('+'):
kind='proj'
else:
kind='wkt'
s_srs = create_spatialref(cfg['srs'], srs_format=kind)
t_srs = osr.SpatialReference()
t_srs.ImportFromEPSG(4326)
t = osr.CoordinateTransformation(s_srs, t_srs)
cfg['ll_minx'], cfg['ll_miny'], _0 = t.TransformPoint(cfg['minx'], cfg['miny'])
cfg['ll_maxx'], cfg['ll_maxy'], _0 = t.TransformPoint(cfg['maxx'], cfg['maxy'])
return cfg
