コード例 #1
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="pFrm"></param>
        /// <param name="pSrcFileGDB"></param>
        /// <param name="pSQLFileName"></param>
        /// <param name="pBatchSize"></param>
        /// <param name="pAppend"></param>
        /// <returns></returns>
        public static ReturnValue ExportFileGDBToMyAbuDhabiDotNetSQL(frmMain pFrm, string pSrcFileGDB, string pSQLFileName, int pBatchSize = 25, bool pAppend = false)
        {
            var mRetVal = new ReturnValue(true);

            NumberFormatInfo mNumFormat = new CultureInfo("en-US", false).NumberFormat;

            // Open FileGDB
            var mFileGDBDrv = OSGeo.OGR.Ogr.GetDriverByName("FileGDB");
            var mSrcDSrc    = mFileGDBDrv.Open(pSrcFileGDB, 1);

            if (mSrcDSrc == null)
            {
                pFrm.Log("Could not open ESRI FGDB: " + pSrcFileGDB, true);
                mRetVal.Success = false;
                return(mRetVal);
            }

            // Create re-usable projection
            var mSrcProj        = ExtFunctions.GetSpatialReferenceByEPSG(32640);
            var mTgtProj        = ExtFunctions.GetSpatialReferenceByEPSG(4326);
            var mTransformation = new OSGeo.OSR.CoordinateTransformation(mSrcProj, mTgtProj);

            int mLineCount = 0;

            int mFileCount = 1;

            // Create file to write to
            var mStreamWriter = new StreamWriter(pSQLFileName + "." + mFileCount, pAppend, Encoding.UTF8, 1024);

            // Create re-usable feature object
            OSGeo.OGR.Feature mFeat = null;

            OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8");
            DataSource mDistrictsDataSource = Ogr.Open(DistrictImport.GetShapefileName(), 0);
            Layer      mDistricts           = null;

            if (mDistrictsDataSource != null)
            {
                mDistricts = mDistrictsDataSource.GetLayerByIndex(0);
            }

            var mRecords = new SignRecord();

            // Process address unit signs
            var mAUSLyr = mSrcDSrc.GetLayerByName("Address_unit_signs");

            if (mAUSLyr == null)
            {
                mRetVal.AddMessage("Could not find address units layer", true);
                return(mRetVal);
            }

            if (mAUSLyr != null)
            {
                pFrm.Log("Opened Address_unit_signs layer from FileGDB for reading...");

                int mNumFeatures = mAUSLyr.GetFeatureCount(1);
                int idxFeat      = 0;

                while (null != (mFeat = mAUSLyr.GetNextFeature()))
                {
                    var      mGeom         = mFeat.GetGeometryRef();
                    Envelope mOrigEnvelope = new Envelope();
                    mGeom.GetEnvelope(mOrigEnvelope);
                    var mDistrictInfo = mDistricts.GetDistrictByPoint(mGeom, 32640);

                    mGeom.Transform(mTransformation);
                    Envelope mEnvelope = new Envelope();
                    mGeom.GetEnvelope(mEnvelope);

                    string mWkt;
                    mGeom.ExportToWkt(out mWkt);

                    mRecords.AddToBuffer(
                        mFeat.GetFieldAsString("QR_CODE"),
                        mFeat.GetFieldAsString("ADDRESSUNITNR"),
                        mFeat.GetFieldAsString("ROADNAME_EN").MySQLEscape(),
                        mFeat.GetFieldAsString("ROADNAME_AR").MySQLEscape(),
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMELATIN").MySQLEscape() : "",
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMEARABIC").MySQLEscape() : "",
                        mEnvelope.MinX.ToString(mNumFormat),
                        mEnvelope.MinY.ToString(mNumFormat),
                        mFeat.GetFieldAsString("DESCRIPTION_AR").MySQLEscape(),
                        mFeat.GetFieldAsString("DESCRIPTION_EN").MySQLEscape(),
                        "Address_unit_signs",
                        SignType.addressUnitNumberSign
                        );

                    idxFeat++;

                    if (idxFeat % pBatchSize == 0 || idxFeat == mNumFeatures)
                    {
                        var mSql = String.Format(sqlStatements.insertUpdateMyAbuDhabiNetSQL,
                                                 mRecords.GetBuffer());
                        mStreamWriter.WriteLine(mSql);
                        pFrm.pgBar.ProgressBar.Value = (idxFeat * 100) / mNumFeatures;
                        mLineCount++;
                        if (mLineCount % 500 == 0)
                        {
                            mFileCount++;
                            mStreamWriter.Flush();
                            mStreamWriter.Close();
                            mStreamWriter = new StreamWriter(pSQLFileName + "." + mFileCount, pAppend, Encoding.UTF8, 1024);
                            mLineCount    = 0;
                        }
                    }
                }

                pFrm.Log("Done, processed " + idxFeat + " features...");

                mAUSLyr.Dispose();
                mAUSLyr = null;
            }

            // Process address unit signs
            var mSNSLyr = mSrcDSrc.GetLayerByName("Street_name_signs");

            if (mSNSLyr == null)
            {
                mRetVal.AddMessage("Could not find layer Street_name_signs", true);
                return(mRetVal);
            }

            if (mSNSLyr != null)
            {
                Debug.WriteLine(mSNSLyr);
                pFrm.Log("Opened Street_name_signs layer from FileGDB for reading...");

                int mNumFeatures = mSNSLyr.GetFeatureCount(1);
                int idxFeat      = 0;
                mFeat = null;

                while (null != (mFeat = mSNSLyr.GetNextFeature()))
                {
                    var      mGeom         = mFeat.GetGeometryRef();
                    Envelope mOrigEnvelope = new Envelope();
                    mGeom.GetEnvelope(mOrigEnvelope);
                    var mDistrictInfo = mDistricts.GetDistrictByPoint(mGeom, 32640);

                    mGeom.Transform(mTransformation);
                    Envelope mEnvelope = new Envelope();
                    mGeom.GetEnvelope(mEnvelope);
                    string mWkt;
                    mGeom.ExportToWkt(out mWkt);

                    mRecords.AddToBuffer(
                        mFeat.GetFieldAsString("QR_CODE"),
                        "",
                        mFeat.GetFieldAsString("ROADNAME_EN_P1").MySQLEscape() + "/" + mFeat.GetFieldAsString("ROADNAME_EN_P2").MySQLEscape(),
                        mFeat.GetFieldAsString("ROADNAME_AR_P1").MySQLEscape() + "/" + mFeat.GetFieldAsString("ROADNAME_AR_P2").MySQLEscape(),
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMELATIN").MySQLEscape() : "",
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMEARABIC").MySQLEscape() : "",
                        mEnvelope.MinX.ToString(mNumFormat),
                        mEnvelope.MinY.ToString(mNumFormat),
                        "",
                        "",
                        "Street_name_signs",
                        SignType.streetNameSign,
                        ""
                        );

                    idxFeat++;

                    if (idxFeat % pBatchSize == 0 || idxFeat == mNumFeatures)
                    {
                        var mSql = String.Format(sqlStatements.insertUpdateMyAbuDhabiNetSQL,
                                                 mRecords.GetBuffer());
                        mStreamWriter.WriteLine(mSql);
                        Debug.WriteLine(mSql);
                        pFrm.pgBar.ProgressBar.Value = (idxFeat * 100) / mNumFeatures;
                        mLineCount++;
                        if (mLineCount % 500 == 0)
                        {
                            mFileCount++;
                            mStreamWriter.Flush();
                            mStreamWriter.Close();
                            mStreamWriter = new StreamWriter(pSQLFileName + "." + mFileCount, pAppend, Encoding.UTF8, 1024);
                            mLineCount    = 0;
                        }
                    }
                }

                pFrm.Log("Done, processed " + idxFeat + " features...");

                mSNSLyr.Dispose();
                mSNSLyr = null;
            }

            // Process address guide signs
            var mAGSLyr = mSrcDSrc.GetLayerByName("Address_guide_sign");

            if (mAGSLyr == null)
            {
                mRetVal.AddMessage("Could not find layer Address_guide_sign", true);
                return(mRetVal);
            }

            if (mAGSLyr != null)
            {
                pFrm.Log("Opened Address_guide_sign layer from FileGDB for reading...");

                int mNumFeatures = mAGSLyr.GetFeatureCount(1);
                int idxFeat      = 0;
                mFeat = null;

                while (null != (mFeat = mAGSLyr.GetNextFeature()))
                {
                    var      mGeom         = mFeat.GetGeometryRef();
                    Envelope mOrigEnvelope = new Envelope();
                    mGeom.GetEnvelope(mOrigEnvelope);
                    var mDistrictInfo = mDistricts.GetDistrictByPoint(mGeom, 32640);

                    mGeom.Transform(mTransformation);
                    Envelope mEnvelope = new Envelope();
                    mGeom.GetEnvelope(mEnvelope);
                    string mWkt;
                    mGeom.ExportToWkt(out mWkt);

                    mRecords.AddToBuffer(
                        mFeat.GetFieldAsString("QR_CODE"),
                        "",
                        mFeat.GetFieldAsString("ROADNAME_EN"),
                        mFeat.GetFieldAsString("ROADNAME_AR"),
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMELATIN").MySQLEscape() : null,
                        mDistrictInfo != null ? mDistrictInfo.GetFieldAsString("NAMEARABIC").MySQLEscape() : null,
                        mEnvelope.MinX.ToString(mNumFormat),
                        mEnvelope.MinY.ToString(mNumFormat),
                        "",
                        "",
                        "Address_guide_sign",
                        SignType.addressGuideSign,
                        "");

                    idxFeat++;

                    if (idxFeat % pBatchSize == 0 || idxFeat == mNumFeatures)
                    {
                        var mSql = String.Format(sqlStatements.insertUpdateMyAbuDhabiNetSQL,
                                                 mRecords.GetBuffer());
                        mStreamWriter.WriteLine(mSql);
                        pFrm.pgBar.ProgressBar.Value = (idxFeat * 100) / mNumFeatures;
                        mLineCount++;
                        if (mLineCount % 500 == 0)
                        {
                            mFileCount++;
                            mStreamWriter.Flush();
                            mStreamWriter.Close();
                            mStreamWriter = new StreamWriter(pSQLFileName + "." + mFileCount, pAppend, Encoding.UTF8, 1024);
                            mLineCount    = 0;
                        }
                    }
                }

                pFrm.Log("Done, processed " + idxFeat + " features...");

                mAGSLyr.Dispose();
                mAGSLyr = null;
            }

            mStreamWriter.Flush();
            mStreamWriter.Close();
            mStreamWriter.Dispose();

            mSrcProj.Dispose();
            mSrcProj = null;

            mTgtProj.Dispose();
            mTgtProj = null;

            mTransformation.Dispose();
            mTransformation = null;

            mSrcDSrc.Dispose();
            mSrcDSrc = null;

            mFileGDBDrv.Dispose();
            mFileGDBDrv = null;

            return(mRetVal);
        }
        public static ReturnValue ExportToMyAbuDhabiNet(string pSQLFilename, IPointLayer pLayer, ProjectionInfo pSrcProjection, ProjectionInfo pTgtProjection, Boolean pAppend = false, string pSignType = null)
        {
            NumberFormatInfo mNumFormat = new CultureInfo("en-US", false).NumberFormat;

            double[] mXY = new double[2];

            var mRV = new ReturnValue();

            var mTgtSRS = ExtFunctions.GetSpatialReferenceByEPSG(pTgtProjection.AuthorityCode);

            if (pSrcProjection != pTgtProjection)
            {
                pLayer.Reproject(pTgtProjection);
            }

            int
                mFeatureCount = pLayer.DataSet.Features.Count(),
                mBatchSize    = 20,
                mBatchCounter = 1,
                mWriteCounter = 0;

            var mValues = new List <String>();

            var mStreamWriter = new StreamWriter(pSQLFilename, pAppend, Encoding.UTF8, 1024);

            foreach (IFeature mFeature in pLayer.DataSet.Features)
            {
                var mGeom = OSGeo.OGR.Geometry.CreateFromWkb(mFeature.ToBinary());

                Envelope mEnvelope = new Envelope();

                mGeom.GetEnvelope(mEnvelope);
                string mWkt;
                mGeom.ExportToWkt(out mWkt);

                if (pSignType == SignType.addressUnitNumberSign)
                {
                    mValues.Add(String.Format("('{0}','{1}','{2}','{3}',{4},'{5}','{6}','{7}','{8}','{9}','{10}',{11},{12})",
                                              mFeature.DataRow["QR_CODE"],
                                              "ANS",
                                              "Sign description",
                                              SignType.addressUnitNumberSign,
                                              mFeature.DataRow["ADDRESSUNITNR"],
                                              "Street name description",
                                              mFeature.DataRow["ROADNAME_EN"].ToString().MySQLEscape(),
                                              "Street name description Arabic",
                                              mFeature.DataRow["ROADNAME_AR"].ToString().MySQLEscape(),
                                              mFeature.DataRow["DISTRICT_EN"].ToString().MySQLEscape(),
                                              mFeature.DataRow["DISTRICT_AR"].ToString().MySQLEscape(),
                                              mEnvelope.MinX.ToString(mNumFormat),
                                              mEnvelope.MinY.ToString(mNumFormat)
                                              ));
                    mWriteCounter++;
                }
                else if (pSignType == SignType.streetNameSign)
                {
                    mValues.Add(String.Format("('{0}','{1}','{2}','{3}',{4},'{5}','{6}','{7}','{8}','{9}','{10}',{11},{12})",
                                              mFeature.DataRow["QR_CODE"],
                                              "SNS",
                                              "Sign description",
                                              SignType.streetNameSign,
                                              "null",
                                              "",
                                              "",
                                              "",
                                              "",
                                              "",
                                              "",
                                              mEnvelope.MinX.ToString(mNumFormat),
                                              mEnvelope.MinY.ToString(mNumFormat)
                                              ));
                    mWriteCounter++;
                }
                else if (pSignType == SignType.addressGuideSign)
                {
                    mValues.Add(String.Format("('{0}','{1}','{2}','{3}',{4},'{5}','{6}','{7}','{8}','{9}','{10}',{11},{12})",
                                              mFeature.DataRow["QR_CODE"],
                                              "AGS",
                                              "Sign description",
                                              SignType.addressGuideSign,
                                              "null",
                                              "",
                                              "",
                                              "",
                                              "",
                                              "",
                                              "",
                                              mEnvelope.MinX.ToString(mNumFormat),
                                              mEnvelope.MinY.ToString(mNumFormat)
                                              ));
                    mWriteCounter++;
                }


                if (mBatchCounter++ < mBatchSize)
                {
                    mBatchCounter++;
                }
                else
                {
                    var mSql = String.Format(sqlStatements.insertUpdateMyAbuDhabiNetSQL,
                                             String.Join(",", mValues));
                    mBatchCounter = 1;
                    mValues.Clear();
                    mStreamWriter.WriteLine(mSql);
                }
            }
            mRV.AddMessage("Parsed " + mWriteCounter + " features to SQL");
            mStreamWriter.Flush();
            mStreamWriter.Close();
            return(mRV);
        }
        /// <summary>
        /// Outputs the specified DotSpatial IFeatureLayer to an OGR layer
        /// </summary>
        /// <param name="pDrvNm">A name like KML, ESRI SHapefile or FileGDB etc.</param>
        /// <param name="pFLyr">A layer that implements the IFeatureLayer interface</param>
        /// <param name="pOPFn">The outputShapefileName of the output file</param>
        /// <param name="pSrcProj">The SRS of the source dataset</param>
        /// <param name="pTgtProj">The SRS of the output dataset</param>
        /// <param name="pHasTitle">A boolean flag that determines whether to create fieldAttributes special title field</param>
        /// <param name="pTitleFieldNames">A comma separated list of field names to be used in the special title field</param>
        /// <param name="pTitleFormat">The C# String.Format format of the special title field</param>
        /// <param name="pLCOpts">A string array of layer creation options in the form of OPTION=VALUE entries</param>
        /// <param name="pDSCOpts">A string of data source creation options in the form of OPTION=VALUE entries</param>
        /// <param name="pFieldMap">A dictionary of source and target field names to be translated on the source
        /// the title format field names and the special title field name all observe this field mapping.</param>
        /// <param name="pOnlyInFieldMap">If true, only writes fields that are included in the field-map</param>
        /// <returns>True on success, false on error</returns>
        /// <remarks>
        /// Presently implements special functions for KML that perhaps should be kept separate.
        /// </remarks>
        public static ReturnValue ExportFeatureLayerToOGR(
            string pDrvNm, IFeatureLayer pFLyr,
            string pOPFn, ProjectionInfo pSrcProj,
            ProjectionInfo pTgtProj,
            bool pHasTitle          = false,
            string pTitleFieldNames = "",
            string pTitleFormat     = "",
            List <string> pLCOpts   = null,
            List <string> pDSCOpts  = null,
            Dictionary <string, string> pFieldMap = null,
            bool pOnlyInFieldMap = false, bool pAppend = false)
        {
            var mReturnValue = new ReturnValue(true);

            //Check if data source and layer creation options are null and if so, create an empty list object for them
            pDSCOpts = (pDSCOpts != null) ? pDSCOpts : new List <string>();
            pLCOpts  = (pLCOpts != null) ? pLCOpts : new List <string>();

            // May or may not be used, declared in any case;
            Dictionary <string, string> mTitleFieldValues = null;

            // Determine whether transformation is required
            bool mTransformRequired = (pSrcProj != pTgtProj) ? true : false;

            // Read the target SRS
            SpatialReference mTgtSRS = ExtFunctions.GetSpatialReferenceByEPSG(pTgtProj.AuthorityCode);

            // If transformation is needed, create fieldAttributes shared transformation object for the export
            if (mTransformRequired)
            {
                pFLyr.Projection = pSrcProj;
                pFLyr.Reproject(pTgtProj);
            }

            // Setup driver
            OSGeo.OGR.Driver drv = Ogr.GetDriverByName(pDrvNm);
            if (drv == null)
            {
                mReturnValue.AddMessage("Could not load driver", true);
                return(mReturnValue);
            }

            // Special handling of KML mFiles
            // Add special title name as datasource creation option
            if (pHasTitle && pDrvNm == "KML")
            {
                pDSCOpts.Add("NameField=" + ExtFunctions.TitleFieldName);
            }

            // Create fieldAttributes datasource
            DataSource ds = null;

            try
            {
                if (pAppend && (Directory.Exists(pOPFn) || File.Exists(pOPFn)))
                {
                    ds = drv.Open(pOPFn, 1);
                }
                else
                {
                    ds = drv.CreateDataSource(pOPFn, pDSCOpts.ToArray());
                }
                if (ds == null)
                {
                    mReturnValue.AddMessage("Could not create/open datasource");
                    return(mReturnValue);
                }
            }
            catch (Exception ex)
            {
                mReturnValue.AddMessage(ex.Message);
                return(mReturnValue);
            }

            // Find the geometry type of the source layer to determine output type
            wkbGeometryType mGeomType = DSGeomTypeToOgrGeomType(pFLyr.DataSet.FeatureType);

            if (mGeomType == wkbGeometryType.wkbNone)
            {
                mReturnValue.AddMessage("Could not parse geometry type of input layer");
                return(mReturnValue);
            }

            // Create the new layer
            OSGeo.OGR.Layer l;
            if (pAppend && ds.HasLayer(pFLyr.LegendText.Replace(" ", "_")))
            {
                l = ds.GetLayerByName(pFLyr.LegendText.Replace(" ", "_"));
            }
            else
            {
                l = ds.CreateLayer(pFLyr.LegendText, mTgtSRS, mGeomType, pLCOpts.ToArray());
            }
            if (l == null)
            {
                mReturnValue.AddMessage("Failed to create file: ");
                return(mReturnValue);
            }

            // Create fieldAttributes list to hold the names of fields
            var mDataSourceFieldNames = new List <string>();

            // Loop through all the fields
            foreach (DataColumn mDataColumn in pFLyr.DataSet.DataTable.Columns)
            {
                var mColType  = DataTypeToOgrFieldType(mDataColumn.DataType);
                var mNewField = new FieldDefn(MapFieldName(mDataColumn.ColumnName, pFieldMap), mColType);

                if (mColType == FieldType.OFTString)
                {
                    mNewField.SetWidth(mDataColumn.MaxLength);
                }


                if (pOnlyInFieldMap == false || (pOnlyInFieldMap && pFieldMap.Keys.Contains(mDataColumn.ColumnName)))
                {
                    if (!pAppend || !l.HasField(mNewField.GetName()))
                    {
                        if (Ogr.OGRERR_NONE != l.CreateField(mNewField, 1))
                        {
                            mReturnValue.AddMessage("Failed to add field: " + mDataColumn.ColumnName + " => " + MapFieldName(mDataColumn.ColumnName, pFieldMap));
                            return(mReturnValue);
                        }
                    }
                }

                mDataSourceFieldNames.Add(mNewField.GetName());
            }

            // Add special title field, if the necessary information is present
            if (pHasTitle == true &&
                !string.IsNullOrEmpty(pTitleFieldNames) &&
                !string.IsNullOrEmpty(pTitleFormat) &&
                !mDataSourceFieldNames.Contains(ExtFunctions.TitleFieldName))
            {
                mTitleFieldValues = new Dictionary <string, string>();

                var mTitleField = new FieldDefn(MapFieldName(TitleFieldName, pFieldMap), FieldType.OFTString);
                mTitleField.SetWidth(254);

                foreach (var mTitleFieldName in pTitleFieldNames.Split(','))
                {
                    mTitleFieldValues.Add(mTitleFieldName, "");
                }

                l.CreateField(mTitleField, 1);
            }

            int createdFeatures = 0;

            // For each row in the source featureset
            for (int i = 0; i < pFLyr.DataSet.NumRows(); i++)
            {
                // Read the source feature
                IFeature mSrcFeature = pFLyr.DataSet.GetFeature(i);

                // Read and set the geometry on the new feature
                byte[] mSrcGeom = mSrcFeature.ToBinary();
                var    mFeature = new OSGeo.OGR.Feature(l.GetLayerDefn());
                var    mGeom    = OSGeo.OGR.Geometry.CreateFromWkb(mSrcGeom);
                mFeature.SetGeometry(mGeom);

                // Set feature id
                mFeature.SetFID(i);

                // Handle fieldAttributes
                for (int j = 0; j < mDataSourceFieldNames.Count(); j++)
                {
                    var mCurrentValue = mSrcFeature.DataRow[j];

                    if (pOnlyInFieldMap == false || (pOnlyInFieldMap && pFieldMap.Values.Contains(mDataSourceFieldNames[j])))
                    {
                        if (mCurrentValue.GetType() == typeof(string))
                        {
                            mFeature.SetField(mDataSourceFieldNames[j], Utilities.GetANSI((string)mCurrentValue));
                        }
                        else if (mCurrentValue.GetType() == typeof(int))
                        {
                            mFeature.SetField(mDataSourceFieldNames[j], (int)mCurrentValue);
                        }
                        else if (mCurrentValue.GetType() == typeof(double))
                        {
                            mFeature.SetField(mDataSourceFieldNames[j], (double)mCurrentValue);
                        }
                    }


                    if (pHasTitle && mTitleFieldValues.Keys.Contains(mDataSourceFieldNames[j]))
                    {
                        mTitleFieldValues[mDataSourceFieldNames[j]] = mCurrentValue.ToString();
                    }
                }

                // If title field is to be created, use field values collected above to construct fieldAttributes new string format
                // to go into the title-field
                if (pHasTitle == true)
                {
                    var mTitleValue = string.Format(pTitleFormat, mTitleFieldValues.Values.ToArray <string>());
                    mFeature.SetField(MapFieldName(TitleFieldName, pFieldMap), Utilities.GetANSI(mTitleValue));
                }

                // Create the feature
                try
                {
                    l.CreateFeature(mFeature);
                    createdFeatures++;
                }
                catch (Exception ex)
                {
                    mReturnValue.AddMessage(ex.Message);
                    mReturnValue.AddMessage("Tip: A datasource may appear read-only if the file location is inside a dropbox folder and the dropbox application is running");
                }
            }

            if (mTransformRequired)
            {
                pFLyr.Reproject(pSrcProj);
            }
            // Dispose and cleanup
            l.Dispose();
            ds.Dispose();
            drv.Dispose();

            mReturnValue.AddMessage(String.Format("Added {0} features to layer {1}",
                                                  createdFeatures,
                                                  pFLyr.LegendText));

            return(mReturnValue);
        }
        public static ReturnValue ExportDistrictsToMyAbuDhabiNet()
        {
            var r = new ReturnValue();

            OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8");

            var shpDir = Path.GetFileNameWithoutExtension(DistrictImport.GetShapefileName());
            var ds     = Ogr.OpenShared(DistrictImport.GetShapefileName(), 0);

            if (ds == null)
            {
                r.AddMessage("Data source doesn't exist", true);
                return(r);
            }

            var lyr = ds.GetLayerByIndex(0);

            if (lyr == null)
            {
                r.AddMessage("Layer doesn't destrict", true);
                return(r);
            }

            OSGeo.OGR.Feature nf;

            var srcProj = new SpatialReference(null);
            var tgtProj = new SpatialReference(null);

            srcProj.ImportFromEPSG(32640);
            tgtProj.ImportFromEPSG(4326);

            var trans = new CoordinateTransformation(srcProj, tgtProj);

            string geomWkt;

            Geometry geometry;
            string   districtname_ar;
            string   districtname_en;
            string   districtabbreviation;

            StringBuilder sql = new StringBuilder();

            //sql.AppendLine(sqlStatements.createDistrictTableSQL);
            sql.AppendLine(sqlStatements.emptyDistrictsSQL);

            while (null != (nf = lyr.GetNextFeature()))
            {
                geometry = nf.GetGeometryRef();

                // Transformation goes here
                geometry.Transform(trans);

                geometry.ExportToWkt(out geomWkt);

                districtabbreviation = nf.GetFieldAsString("DISTRICTAB");
                districtname_ar      = nf.GetFieldAsString("NAMEARABIC");
                districtname_en      = nf.GetFieldAsString("NAMELATIN");
                sql.AppendFormat(sqlStatements.insertDistrictsSQL, districtname_ar.MySQLEscape(), districtname_en.MySQLEscape(), geomWkt, districtabbreviation);
            }

            var dlg = new SaveFileDialog();

            dlg.FileName = "districts.sql";
            dlg.Filter   = "SQL files|*.sql";
            dlg.Title    = "Select where to save districts SQL";

            if (dlg.ShowDialog() == DialogResult.OK)
            {
                File.WriteAllText(dlg.FileName, sql.ToString());
                r.Success = true;
            }

            return(r);
        }