callback({"datasets":["BoundsR@Interpolation","Neighbor_R@Jingjin","BaseMap_R@Jingjin","Geomor_R@Jingjin","Lake_R@Jingjin","Landuse_R@Jingjin","GreenFeild_R@Jingjin"],"currentdatasetType":"LINE","currentDataset":"MapDivision_L@Jingjin"},0)