Beispiel #1
0
        private void selectRasterCmb_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (selectDBCmb.Text == null || selectRasterCmb.Text == null)
            {
                return;
            }

            RBandCmb.Items.Clear();
            GBandCmb.Items.Clear();
            BBandCmb.Items.Clear();

            rds = new RasterDataSet(GDB);
            rds.Open(selectRasterCmb.Text, 0);

            //将波段添加到各个comoBox中
            for (int i = 0; i < rds.GetBandNum(); i++)
            {
                RasBand = rds.GetRasterBand(i + 1);
                RBandCmb.Items.Add("波段" + (i + 1));
                GBandCmb.Items.Add("波段" + (i + 1));
                BBandCmb.Items.Add("波段" + (i + 1));
            }



            //在地图空间中显示该图层
            Map map = new Map();

            themeLayer = new RasterLayer();

            if (rds != null)
            {
                themeLayer.AttachData(rds);
            }

            map.Append(themeLayer);
            this.mapControl.ActiveMap = map;
            this.mapControl.Restore();


            RBandCmb.Text = "";
            GBandCmb.Text = "";
            BBandCmb.Text = "";

            if (RBandCmb.Items.Count >= 3 && GBandCmb.Items.Count >= 3 && BBandCmb.Items.Count >= 3)
            {
                RBandCmb.Enabled = true;
                GBandCmb.Enabled = true;
                BBandCmb.Enabled = true;

                RBandCmb.SelectedIndex = 0;
                GBandCmb.SelectedIndex = 1;
                BBandCmb.SelectedIndex = 2;
            }
            else
            {
                RBandCmb.Enabled = false;
                GBandCmb.Enabled = false;
                BBandCmb.Enabled = false;
            }

            //显示图像信息
            height = rds.GetPixelHeight();
            width  = rds.GetPixelWidth();

            labelHeight.Text = height.ToString();
            labelWidth.Text  = Width.ToString();

            labelHeight.Visible = true;
            labelWidth.Visible  = true;

            //显示图像分辨率
            resolutionX = rds.GetResolutionX();
            resolutionY = rds.GetResolutionY();

            labelResolutionX.Text = resolutionX.ToString();
            labelResolutionY.Text = resolutionY.ToString();

            labelResolutionX.Visible = true;
            labelResolutionY.Visible = true;



            //给分类器设置参数

            /*
             * textBox2.Text = "4";
             * textBox3.Text = "16";
             * textBox4.Text = "20";
             * textBox5.Text = "0.01";
             * textBox9.Text = "0.005";
             * textBox8.Text = "9.8";
             * textBox7.Text = "5";
             * textBox6.Text = "6.4";
             */
        }
        private void button_Click(object sender, EventArgs e)
        {
            //获取参数
            //原始图像路径
            string OriRasURL = "GDBP://MapGisLocal/" + selectDBCmb1.Text + "/ras/" + selectRasterCmb1.Text;
            //分类图像路径
            string ClsRasURL = "GDBP://MapGisLocal/" + selectDBCmb2.Text + "/ras/" + selectRasterCmb2.Text;
            //评价结果路径
            string result = resultPath.Text;

            //统计参数
            bool ErrMatrix = false;
            bool ClsAccu   = false;
            bool TtlAccu   = false;
            bool Kappa     = false;

            if (this.ErrMatrix.Checked == true)
            {
                ErrMatrix = true;
            }
            if (this.ClsAccu.Checked == true)
            {
                ClsAccu = true;
            }
            if (this.TtlAccu.Checked == true)
            {
                TtlAccu = true;
            }
            if (this.Kappa.Checked == true)
            {
                Kappa = true;
            }


            RasterDataSet ori_rds = new RasterDataSet();
            RasterDataSet cls_rds = new RasterDataSet();

            ori_rds.OpenByURL(OriRasURL, RasAccessType.RasAccessType_Update);
            cls_rds.OpenByURL(ClsRasURL, RasAccessType.RasAccessType_Update);
            //显示图像信息
            height = cls_rds.GetPixelHeight();
            width  = cls_rds.GetPixelWidth();

            //生成评价器
            RasClassificationAnalyse rca = new RasClassificationAnalyse();

            //设置初始参数
            rca.SetData(cls_rds, cls_rds.BandCount);
            //设置处理范围
            rca.SetCommonParam(0, 0, height, width);
            //调用评价器
            int i = rca.RsClassificationAccuracyAnalyse(ori_rds, ErrMatrix, ClsAccu, TtlAccu, Kappa, result);

            if (i > 0)
            {
                MessageBox.Show("精度评价完成!");
            }
            else
            {
                MessageBox.Show("精度评价失败!");
            }
        }