static void DuplicateShapeElimination()
{
IFeatureSet centroid = FeatureSet.Open(@"D:\OneDrive\2017研究生毕业设计\数据\项目用数据\newCentroid.shp");
HashSet <string> set = new HashSet <string>();
List <int> index = new List <int>(5);
foreach (var item in centroid.Features)
{
string name = item.DataRow["name"].ToString();
if (!set.Add(name))
{
index.Add(item.Fid);
}
}
centroid.RemoveShapesAt(index);
Console.WriteLine("数据删除完毕");
centroid.SaveAs("newCentroidNoDup.shp", true);
Console.ReadKey();
}