/// <summary>

         /// 分类后处理-精度分析

         /// </summary>

         /// <param name="sender"></param>

        /// <param name="e"></param>

 private void toolStripButton1_Click(object sender, EventArgs e)

         {

 //用分类后的结果distanceClassify-Julei.tif和真实的文件进行比对，得到精度分析结果

             //参数设置

             PIE.CommonAlgo.StImgClassPostPA info = new PIE.CommonAlgo.StImgClassPostPA();

             info.FuncName = "精度分析";

             info.ClassName = @"D:\data\图像分类2\distanceClassify-Julei.tif";//分类后数据文件

             info.RealName = @"D:\data\图像分类2\roi-shp.shp";//地面真实文件（矢量或者是影像）

             IList<int> listRealIndex = new List<int> { , , ,  };//此处没有处理索引为0的未分类数据,若处理可以加上0;

             IList<int> listClassIndex = new List<int> { ,,, };

             info.RealIndex = listRealIndex;//真实地面索引集合  匹配的左侧索引

             info.ClassIndex = listClassIndex;//分类类别索引集合 匹配的右侧索引

             info.IsShp = true;  //如果是roi文件 则为true

             IList<string> listClassNameInfo = new List<string>();

             IList<string> listRealNameInfo = new List<string>();

             listRealNameInfo.Add("Unclassified");

             IFeatureDataset realFeatureDataset = DatasetFactory.OpenFeatureDataset(info.RealName);

             if (realFeatureDataset == null) return;

             IFeature feature = realFeatureDataset.GetNextFeature();

             while (feature != null)

             {

                 string str = feature.GetValue().ToString();//默认选择索引为0的字段的值

                 int nSize = listRealNameInfo.Count;

                 if (nSize == )

                 {

                     listRealNameInfo.Add(str);

                     continue;

                 }

                 int isz = ;

                 for (isz = ; isz < nSize; isz++)

                 {

                     if (listRealNameInfo[isz] == str) break;

                 }

                 if (isz == nSize)

                 {

                     listRealNameInfo.Add(str);

                 }

                 feature = realFeatureDataset.GetNextFeature();

             }

             //分类数据的类别

             IRasterDataset rasterDataset = DatasetFactory.OpenRasterDataset(info.ClassName, OpenMode.ReadOnly);

             listClassNameInfo = rasterDataset.GetRasterBand().GetCategoryNames();//获取分类信息

             if (listClassNameInfo == null)

             {

                 IColorTable colTable = rasterDataset.GetRasterBand().Table;

                 if (colTable != null)

                 {

                     int count = colTable.GetColorEntryCount();

                     for (int i = ; i < count; i++)

                     {

                         listClassNameInfo.Add("Class" + i);

                     }

                 }

             }

             info.strClassInfo = listClassNameInfo; //分类数据类别信息

             info.strRealInfo = listRealNameInfo; //真实地面信息

             info.SelIndex = ; //选中的属性索引 ClassName 

             //2、创建算法对象

             ISystemAlgo algo = AlgoFactory.Instance().CreateAlgo("PIE.CommonAlgo.dll", "PIE.CommonAlgo.ImgClassPostPAAlgo");

             if (algo == null) return;

             algo.Params = info;

             //3、执行算法

             bool result = AlgoFactory.Instance().ExecuteAlgo(algo);

             PIE.CommonAlgo.StImgClassPostPA info1 = algo.Params as PIE.CommonAlgo.StImgClassPostPA;

             string str1 = info1.Fileinfo;

             MessageBox.Show(str1,"精度分析结果：");

         }