Exemple #1
0
 def find(self, searchText, layers,
          contains=True, searchFields="",
          sr="", layerDefs="",
          returnGeometry=True, maxAllowableOffset="",
          geometryPrecision="", dynamicLayers="",
          returnZ=False, returnM=False, gdbVersion=""):
     """ performs the map service find operation """
     url = self._url + "/find"
     #print url
     params = {
         "f" : "json",
         "searchText" : searchText,
         "contains" : self._convert_boolean(contains),
         "searchFields": searchFields,
         "sr" : sr,
         "layerDefs" : layerDefs,
         "returnGeometry" : self._convert_boolean(returnGeometry),
         "maxAllowableOffset" : maxAllowableOffset,
         "geometryPrecision" : geometryPrecision,
         "dynamicLayers" : dynamicLayers,
         "returnZ" : self._convert_boolean(returnZ),
         "returnM" : self._convert_boolean(returnM),
         "gdbVersion" : gdbVersion,
         "layers" : layers
     }
     if not self._token is None and \
        self._token != "":
         params['token'] = self._token
     res = self._do_get(url, params)
     qResults = []
     for r in res['results']:
         qResults.append(common.Feature(r))
     print 'stop'
     return qResults
    def create_feature_template(self):
        """creates a feature template"""
        fields = self.fields
        feat_schema = {}

        att = {}
        for fld in fields:
            self._globalIdField
            if not fld['name'] == self._objectIdField and not fld['name'] == self._globalIdField:
                att[fld['name']] = ''

        feat_schema['attributes'] = att
        feat_schema['geometry'] = ''
        return common.Feature(feat_schema)
Exemple #3
0
 def getFeatureDynamicLayer(self, oid, dynamicLayer,
                            returnZ=False, returnM=False):
     """ The feature resource represents a single feature in a dynamic
         layer in a map service
     """
     url = self._url + "/dynamicLayer/%s" % oid
     params = {
         "f": "json",
         "returnZ": returnZ,
         "returnM" : returnM,
         "layer": {
             "id": 101,
             "source" : dynamicLayer.asDictionary
         }
     }
     return common.Feature(
         json_string=self._do_get(url=url,
                                  param_dict=params)
     )
Exemple #4
0
 def query(self,
           where="1=1",
           out_fields="*",
           timeFilter=None,
           geometryFilter=None,
           returnGeometry=True,
           returnIDsOnly=False,
           returnCountOnly=False,
           returnFeatureClass=False,
           out_fc=None):
     """ queries a feature service based on a sql statement
         Inputs:
            where - the selection sql statement
            out_fields - the attribute fields to return
            timeFilter - a TimeFilter object where either the start time
                         or start and end time are defined to limit the
                         search results for a given time.  The values in
                         the timeFilter should be as UTC timestampes in
                         milliseconds.  No checking occurs to see if they
                         are in the right format.
            geometryFilter - a GeometryFilter object to parse down a given
                            query by another spatial dataset.
            returnGeometry - true means a geometry will be returned,
                             else just the attributes
            returnIDsOnly - false is default.  True means only OBJECTIDs
                            will be returned
            returnCountOnly - if True, then an integer is returned only
                              based on the sql statement
            returnFeatureClass - Default False. If true, query will be
                                 returned as feature class
            out_fc - only valid if returnFeatureClass is set to True.
                     Output location of query.
         Output:
            A list of Feature Objects (default) or a path to the output featureclass if
            returnFeatureClass is set to True.
      """
     params = {
         "f": "json",
         "where": where,
         "outFields": out_fields,
         "returnGeometry": returnGeometry,
         "returnIdsOnly": returnIDsOnly,
         "returnCountOnly": returnCountOnly,
     }
     if not self._token is None:
         params["token"] = self._token
     if not timeFilter is None and \
        isinstance(timeFilter, filters.TimeFilter):
         params['time'] = timeFilter.filter
     if not geometryFilter is None and \
        isinstance(geometryFilter, filters.GeometryFilter):
         gf = geometryFilter.filter
         params['geometry'] = gf['geometry']
         params['geometryType'] = gf['geometryType']
         params['spatialRelationship'] = gf['spatialRel']
         params['inSR'] = gf['inSR']
     fURL = self._url + "/query"
     results = self._do_get(fURL, params)
     if not returnCountOnly and not returnIDsOnly:
         if returnFeatureClass:
             json_text = json.dumps(results)
             temp = common.scratchFolder() + os.sep + uuid.uuid4().get_hex(
             ) + ".json"
             with open(temp, 'wb') as writer:
                 writer.write(json_text)
                 writer.flush()
             del writer
             fc = common.json_to_featureclass(json_file=temp, out_fc=out_fc)
             os.remove(temp)
             return fc
         else:
             feats = []
             for res in results['features']:
                 feats.append(common.Feature(res))
             return feats
     else:
         return results
     return