callback({"datasets":["Park@Changchun","Frame@Changchun","School@Changchun","Company@Changchun","Factory@Changchun","Frame_R@Changchun","Railway@Changchun","AreaPoly@Changchun","Hospital@Changchun","OtherLine@Changchun","RoadLine1@Changchun","RoadLine2@Changchun","RoadLine3@Changchun","Vegetable@Changchun","WaterLine@Changchun","WaterPoly@Changchun","Government@Changchun","BuildingPoint@Changchun","DistrictPoint@Changchun","ResidentialArea@Changchun","ResidentialPoint@Changchun","ScientificResearch@Changchun","Edit_Region@Changchun","Edit_Line@Changchun","Edit_Point@Changchun","Edit_Park@Changchun","Edit_ResidentialArea@Changchun","Edit_Hospital@Changchun","Edit_BusLine@Changchun","Edit_Vegetable@Changchun","Edit_WaterPoly@Changchun","RoadNet_Line@Changchun","city@Changchun","BusLine@Changchun","BusPoint@Changchun","Center@Changchun","Edit_AreaPoly@Changchun","BusPoly@Changchun"],"currentdatasetType":"REGION","currentDataset":"WaterPoly@Changchun"},0)