コード例 #1
0
        public bool Execute(IFeatureClass fc1, IFeatureClass fc2, string outputMdbPath, string output_type, object cluster_tolerance)
        {
            bool rbc = false;

            MapClass      map         = new MapClass();
            IFeatureLayer fL1         = AddFeatureClassToMap(map, fc1);
            IFeatureLayer fL2         = AddFeatureClassToMap(map, fc2);
            string        pLayerName1 = fL1.Name;
            string        pLayerName2 = fL2.Name;
            //[pLayerName1]与[pLayerName2]相交分析 生成 mdb file

            //GPUtilitiesClass gpUtil = new GPUtilitiesClass();
            //gpUtil.SetInternalMap(map);
            //object in_features = pLayerName1 + " #;" + pLayerName2 + " #";
            //string output_type = "LINE";
            //string join_attributes = "ALL";
            // "0.0001 Meters"; // Meters
            IntersectCalculateMdbEx interclass = new IntersectCalculateMdbEx();
            bool ret = interclass.Execute(pLayerName1, pLayerName2, outputMdbPath, output_type, cluster_tolerance, map);

            //IntersectClass cls = new IntersectClass();
            //cls.SetValue(in_features, outputMdbPath, output_type, join_attributes, cluster_tolerance);
            if (ret == true)
            {   //执行成功
                rbc = true;
            }
            else
            {
                rbc = false;
            }
            this.Message = interclass.Message;
            return(rbc);
        }
コード例 #2
0
        private void Btn_PreHandle_Click(object sender, EventArgs e)
        {
            //完成导出为mdb空间库中
            try
            {
                //this.Btn_PreHandle.Enabled = false;
                this.Cursor = Cursors.WaitCursor;

                #region     //两个图层作叠加相交运算输出到一个mdb空间数据库中
                string        fcName1 = "";
                string        fcName2 = "";
                IFeatureClass fc1     = null;
                IFeatureClass fc2     = null;
                object        obj     = this.CB_LayerList1.SelectedItem;
                if (obj != null && obj is CommonComboBoxItem)
                {
                    CommonComboBoxItem item = obj as CommonComboBoxItem;
                    fc1     = item.Tag as IFeatureClass;
                    fcName1 = (fc1 as IDataset).Name;
                }
                obj = this.CB_LayerList2.SelectedItem;
                if (obj != null && obj is CommonComboBoxItem)
                {
                    CommonComboBoxItem item = obj as CommonComboBoxItem;
                    fc2     = item.Tag as IFeatureClass;
                    fcName2 = (fc2 as IDataset).Name;
                }
                tmpLayerName = fcName1 + "_" + fcName2;

                double TopoTolerance             = 0.0001;
                IntersectCalculateMdbEx mdbIsCal = new IntersectCalculateMdbEx();
                if (mdbIsCal.Execute(fc1, fc2, this.tmpMdbFilePath + "\\" + tmpLayerName, "INPUT", TopoTolerance) == true)
                {
                    gdbUtil sic = new gdbUtil();
                    sic.enumSDEServer = EnumSDEServer.Access;
                    sic.SDE_DataBase  = this.tmpMdbFilePath;
                    sic.OpenSDEConnection();

                    IFeatureClass mdbFc = sic.getFeatureClass(tmpLayerName);
                    if (mdbFc != null)
                    {
                        this.GetFields(mdbFc);
                    }
                    TokayWorkspace.ComRelease(mdbFc);
                    mdbFc = null;
                    sic.Dispose();
                    sic = null;
                }


                #endregion
            }
            catch (Exception ee)
            {
                MessageBox.Show(ee.Message, "提示");
            }
            finally
            {
                //this.Btn_PreHandle.Enabled = true;
                this.Cursor = Cursors.Default;
            }
        }
コード例 #3
0
        //快速叠加传值功能
        private void QuickOverlapTranValue()
        {
            IFeatureCursor      fcur  = null;
            mdbAccessLayerClass mdbOp = null;
            frmProgressBar1     pb    = null;

            try
            {
                this.button1.Enabled = false;
                this.Cursor          = Cursors.WaitCursor;

                //获取参数
                string updateField  = this.CB_Fields1.Text.Trim();
                string valFromField = this.CB_Fields2.Text.Trim();

                pb                      = new frmProgressBar1();
                pb.Text                 = "空间叠加传值进度...";
                pb.Caption1.Text        = "预处理中...";
                pb.progressBar1.Maximum = 10;
                pb.progressBar1.Value   = 0;
                pb.Show(this);
                Application.DoEvents();

                //1 获取和生成临时空间数据库
                string tmpdir = Application.StartupPath + "\\TmpDir";
                if (System.IO.Directory.Exists(tmpdir) == false)
                {
                    System.IO.Directory.CreateDirectory(tmpdir);
                }
                this.tmpMdbFilePath = tmpdir + "\\GeoTransValue.mdb";
                if (System.IO.File.Exists(this.tmpMdbFilePath) == true)
                {
                    CommonClass.DeleteFile(this.tmpMdbFilePath);
                }
                //--
                TokayWorkspace.CreateGeodatabase(this.tmpMdbFilePath);
                //2 开始空间叠加操作
                pb.Caption1.Text       = "空间叠加中...";
                pb.progressBar1.Value += 1;
                Application.DoEvents();
                //两个图层作叠加相交运算输出到一个mdb空间数据库中
                string        FID_fcName1   = "";
                string        fcName1       = "";
                string        fcName2       = "";
                string        fd_Shape_Area = "shape_area";
                IFeatureClass fc1           = null;
                IFeatureClass fc2           = null;
                //目标图层
                object obj = this.CB_LayerList1.SelectedItem;
                if (obj != null && obj is CommonComboBoxItem)
                {
                    CommonComboBoxItem item = obj as CommonComboBoxItem;
                    fc1     = item.Tag as IFeatureClass;
                    fcName1 = (fc1 as IDataset).Name;
                }
                //源图层
                obj = this.CB_LayerList2.SelectedItem;
                if (obj != null && obj is CommonComboBoxItem)
                {
                    CommonComboBoxItem item = obj as CommonComboBoxItem;
                    fc2           = item.Tag as IFeatureClass;
                    fcName2       = (fc2 as IDataset).Name;
                    fd_Shape_Area = fc2.ShapeFieldName + "_area";
                }
                //生成的相交图层名称
                tmpLayerName = fcName1 + "_" + fcName2;
                FID_fcName1  = "FID_" + fcName1;

                double TopoTolerance             = 0.0001;
                IntersectCalculateMdbEx mdbIsCal = new IntersectCalculateMdbEx();
                if (mdbIsCal.Execute(fc1, fc2, this.tmpMdbFilePath + "\\" + tmpLayerName, "INPUT", TopoTolerance) == true)
                {
                    #region 空间传值中
                    pb.Caption1.Text       = "空间传值中...";
                    pb.progressBar1.Value += 1;
                    Application.DoEvents();
                    //
                    ZhFeature zhfeat    = null;
                    int       index_fc1 = fc1.Fields.FindField(valFromField);
                    if (index_fc1 >= 0)
                    {
                        valFromField = valFromField + "_1";
                    }

                    mdbOp = new mdbAccessLayerClass(this.tmpMdbFilePath);
                    string x = "select " + FID_fcName1 + "," + valFromField + ",sum(" + fd_Shape_Area + ") as geo_area ";
                    x += " from " + tmpLayerName + " ";
                    x += " group by " + FID_fcName1 + "," + valFromField + "";
                    DataTable dt = mdbOp.GetMdbDB.ExecuteDataTable(x);
                    if (dt != null && dt.Rows.Count > 0)
                    {
                        #region  值中
                        string oid          = "";
                        int    fc1_count    = 0;
                        int    index        = 0;
                        string objval       = "";
                        double geo_area     = 0.0;
                        double geo_area_max = 0.0;
                        //更新值
                        fc1_count               = fc1.FeatureCount(null);
                        pb.progressBar1.Value   = 0;
                        pb.progressBar1.Maximum = fc1_count + 1;
                        Application.DoEvents();
                        //
                        fcur = fc1.Update(null, false);
                        IFeature feat = fcur.NextFeature();
                        while (feat != null)
                        {
                            index += 1;
                            if (index % 50 == 0)
                            {
                                pb.Caption1.Text      = "空间叠加传值中...第[" + index + "]个/共[" + fc1_count + "]个";
                                pb.progressBar1.Value = index;
                                Application.DoEvents();
                                fcur.Flush();
                            }
                            zhfeat = new ZHFeaturePolygon(feat);
                            oid    = zhfeat.getObjectID();
                            //
                            DataRow[] drArray = dt.Select(FID_fcName1 + "=" + oid);
                            if (drArray != null && drArray.Length >= 1)
                            {
                                objval       = "";
                                geo_area     = 0.0;
                                geo_area_max = 0.0;
                                //获取面积最大的面积值
                                foreach (DataRow dr in drArray)
                                {
                                    geo_area = CommonClass.TNum(dr["geo_area"].ToString());
                                    if (geo_area >= geo_area_max)
                                    {
                                        objval       = dr[valFromField].ToString();
                                        geo_area_max = geo_area;
                                    }
                                }
                                //设置值
                                zhfeat.setFieldValue(updateField, objval);
                                fcur.UpdateFeature(feat);
                            }
                            feat = fcur.NextFeature();
                        }
                        fcur.Flush();
                        if (fcur != null)
                        {
                            TokayWorkspace.ComRelease(fcur);
                            fcur = null;
                        }
                        #endregion
                    }
                    if (mdbOp != null)
                    {
                        mdbOp.GetMdbDB.Dispose();
                        mdbOp = null;
                    }
                    #endregion
                    if (pb != null)
                    {
                        pb.Close();
                        pb.Dispose();
                        pb = null;
                    }
                    MessageBox.Show("传值完毕!", "提示");
                }
                else
                {
                    MessageBox.Show("空间叠加失败!" + mdbIsCal.Message, "提示");
                }
            }
            catch (Exception ee)
            {
                Log.WriteLine(ee);
                MessageBox.Show(ee.Message, "提示");
            }
            finally
            {
                this.button1.Enabled = true;
                this.Cursor          = Cursors.Default;

                if (fcur != null)
                {
                    TokayWorkspace.ComRelease(fcur);
                    fcur = null;
                }
                if (mdbOp != null)
                {
                    mdbOp.GetMdbDB.Dispose();
                    mdbOp = null;
                }
                if (pb != null)
                {
                    pb.Close();
                    pb.Dispose();
                    pb = null;
                }
            }
        }